Biggest changeApproximately $31.6 million of the aggregate principal repayments related to scheduled principal payments and approximately $922.0 million were early principal repayments related to 56 portfolio co mpanies. 57 Table of Contents Total portfolio investment activity (inclusive of unearned income and excluding activity related to taxes payable and escrow receivables) as of and for the years ended December 31, 2024 and December 31, 2023 was as follows: (in millions) December 31, 2024 December 31, 2023 Beginning Portfolio $ 3,248.0 $ 2,963.9 New fundings and restructures 1,807.2 1,598.6 Fundings assigned to or directly funded by the Adviser Funds (383.2) (350.7) Warrants not related to current period fundings 0.3 1.3 Principal repayments received on investments (31.6) (50.8) Early payoffs (922.0) (925.1) Proceeds from sale of debt investments — (26.7) Proceeds from sale of equity and warrant investments (49.4) (43.2) Accretion of loan discounts and paid-in-kind interest 87.7 59.5 Net acceleration of loan discounts and loan fees due to early payoffs or restructures (12.3) (14.1) New loan fees (15.2) (13.5) Gain (loss) on investments due to sales or write offs (19.7) 6.0 Net change in unrealized appreciation (depreciation) (49.8) 42.8 Ending Portfolio $ 3,660.0 $ 3,248.0 Additionally, we may hold investments in debt, warrant, or equity positions of portfolio companies that have filed a registration statement with the SEC in contemplation of a potential IPO.
Biggest changeAdditionally, during the year ended December 31, 2025, we received $54.5 million from the partial sale of three debt investments to external parties and sold four debt investments for $20.0 million to the Adviser Funds. 59 Table of Contents Total portfolio investment activity (inclusive of unearned income and excluding activity related to taxes payable and escrow receivables) as of and for the years ended December 31, 2025 and 2024 was as follows: (in millions) December 31, 2025 December 31, 2024 Beginning Portfolio $ 3,660.0 $ 3,248.0 New fundings and restructures 2,275.1 1,807.2 Fundings assigned to or directly funded by the Adviser Funds (579.1) (383.2) Equity and warrants not related to current period fundings 1.2 0.3 Principal repayments received on investments (37.1) (31.6) Early payoffs (811.2) (922.0) Proceeds from the sale of debt investments (74.5) — Proceeds from sale of equity and warrant investments (46.4) (49.4) Paid-in-kind interest 55.7 50.0 Accretion of loan discounts 46.3 37.7 Net acceleration of loan discounts and loan fees due to early payoffs or restructures (13.6) (12.3) New loan fees (19.3) (15.2) Gain (loss) on investments due to sales or write offs (38.1) (19.7) Net change in unrealized appreciation (depreciation) 47.6 (49.8) Ending Portfolio $ 4,466.6 $ 3,660.0 Additionally, we may hold investments in debt, warrant, or equity positions of portfolio companies that have filed a registration statement with the SEC in contemplation of a potential IPO.
Changes in a portfolio company's investment grading may be a result of changes in portfolio company's performance and/or timing of expected liquidity events. For instance, we may downgrade a portfolio company if it is not meeting our financing criteria or are underperforming relative to its respective business plan.
Changes in a portfolio company's investment grading may be a result of changes in portfolio company's performance and/or timing of expected liquidity events. For instance, we may downgrade a portfolio company if it is not meeting our financing criteria or is underperforming relative to its respective business plan.
Additional liquidity is available through accordion provisions within the terms of our Credit Facilities, through which the available borrowing capacity can be increased by an aggregate $400.0 million, subject to certain conditions. Further, the SMBC letter of credit facility may also be increased by an additional $225.0 million (up to $400.0 million), subject to certain conditions.
Additional liquidity is available through accordion provisions within the terms of our Credit Facilities, through which the available borrowing capacity can be increased by an aggregate $360.0 million, subject to certain conditions. Further, the SMBC letter of credit facility may also be increased by an additional $225.0 million (up to $400.0 million), subject to certain conditions.
The Non-GAAP financial measures we present may not be comparable to similarly-named measures reported by other companies. 55 Table of Contents Overview We are a leading specialty finance company with a focus on providing financing solutions to high-growth and innovative venture capital-backed and institutional-backed companies in a variety of technology and life sciences industries.
The Non-GAAP financial measures we present may not be comparable to similarly-named measures reported by other companies. 57 Table of Contents Overview We are a leading specialty finance company with a focus on providing financing solutions to high-growth and innovative venture capital-backed and institutional-backed companies in a variety of technology and life sciences industries.
We intend to timely distribute to our stockholders substantially all of our annual taxable income for each year, except that we 66 Table of Contents may retain certain net capital gains for reinvestment and, depending upon the level of taxable income earned in a year, we may choose to carry forward taxable income for distribution in the following year and pay any applicable U.S. federal excise tax.
We intend to timely distribute to our stockholders substantially all of our annual taxable income for each year, except that we may retain certain net capital gains for reinvestment and, depending upon the level of taxable income earned in a year, we 68 Table of Contents may choose to carry forward taxable income for distribution in the following year and pay any applicable U.S. federal excise tax.
See “Note 10 – Financial Highlights” included in the notes to our consolidated financial statements appearing elsewhere in this report. 60 Table of Contents Portfolio Composition Our portfolio companies are primarily privately held companies which are active in sectors characterized by high margins, high growth rates, consolidation, and product and market extension opportunities and, to a lesser extent, public companies active in those sectors.
See “Note 10 – Financial Highlights” included in the notes to our consolidated financial statements appearing elsewhere in this report. 62 Table of Contents Portfolio Composition Our portfolio companies are primarily privately held companies which are active in sectors characterized by high margins, high growth rates, consolidation, and product and market extension opportunities and, to a lesser extent, public companies active in those sectors.
Such repurchases or exchanges, if any, will depend on prevailing market conditions, our liquidity requirements, contractual and regulatory restrictions and other factors. The amounts involved may be material. We had no common stock repurchases during the years ended December 31, 2024, 2023, or 2022. Commitments and Obligations Our significant cash requirements generally relate to our debt obligations.
Such repurchases or exchanges, if any, will depend on prevailing market conditions, our liquidity requirements, contractual and regulatory restrictions and other factors. The amounts involved may be material. We had no common stock repurchases during the years ended December 31, 2025, 2024, or 2023. Commitments and Obligations Our significant cash requirements generally relate to our debt obligations.
This includes information on index rate floors which we have in place on all of our floating rate debt investments.
This includes information on benchmark index rate floors which we have in place on all of our floating rate debt investments.
The net realized losses were generated from a realized loss of $63.1 million from the write-off of our debt investments relating to Convoy, Inc., Gritstone Bio, Inc., Better Therapeutics, Inc., and Eigen Technologies Ltd., which are net of recovered collections of $55.5 million. $44.6 million of the write-off of our debt investments resulted in a reversal of unrealized depreciation previously reported as of December 31, 2023.
The net realized losses were generated from a realized loss of $63.1 million from the write-off of our debt investments relating to Convoy, Inc., 67 Table of Contents Gritstone Bio, Inc., Better Therapeutics, Inc., and Eigen Technologies Ltd., which are net of recovered collections of $55.5 million. $44.6 million of the write-off of our debt investments resulted in a reversal of unrealized depreciation previously reported as of December 31, 2023.
The forward-looking statements contained in this report include statements as to: • our current and future management structure; • our future operating results; • our business prospects and the prospects of our prospective portfolio companies; • the impact of investments that we expect to make; • our informal relationships with third parties including in the venture capital industry; • the expected market for venture capital investments and our addressable market; • the dependence of our future success on the general economy and its impact on the industries in which we invest; • our ability to access debt markets and equity markets; • the occurrence and impact of macro-economic developments (for example, global pandemics, natural disasters, terrorism, international conflicts and war) on us and our portfolio companies; • the ability of our portfolio companies to achieve their objectives; • our expected financings and investments; • our regulatory structure and tax status as a RIC; • our ability to operate as a BDC and our subsidiaries ability to operate as SBICs; • the impact of information technology system failures, data security breaches, data privacy compliance, network disruptions, and cybersecurity attacks; • the adequacy of our cash resources and working capital; • the timing of cash flows, if any, from the operations of our portfolio companies; • the timing, form and amount of any distributions; • the impact of fluctuations in interest rates on our business; • the valuation of any investments in portfolio companies, particularly those having no liquid trading market; and • our ability to recover unrealized depreciation on investments.
The forward-looking statements contained in this report include statements as to: • our current and future management structure; • our future operating results; • our business prospects and the prospects of our prospective portfolio companies; • the impact of investments that we expect to make; • our informal relationships with third parties including in the venture capital industry; • the expected market for venture capital investments and our addressable market; • the dependence of our future success on the general economy and its impact on the industries in which we invest; • our ability to access debt markets and equity markets; • the occurrence and impact of macro-economic developments (for example, tariffs and other trade or sanction issues, government shutdown, global pandemics, natural disasters, terrorism, international conflicts and war) on us and our portfolio companies; • the ability of our portfolio companies to achieve their objectives; • our expected financings and investments; • our regulatory structure and tax status as a RIC; • our ability to operate as a BDC and our subsidiaries ability to operate as SBICs; • the impact of information technology system failures, data security breaches, data privacy compliance, network disruptions, and cybersecurity attacks; • the adequacy of our cash resources and working capital; • the timing of cash flows, if any, from the operations of our portfolio companies; • the timing, form and amount of any distributions; • the impact of fluctuations in interest rates on our business; • the valuation of any investments in portfolio companies, particularly those having no liquid trading market; and • our ability to recover unrealized depreciation on investments.
In particular, we evaluate performance through monitoring the portfolio yields as we consider them to be effective indicators, for both management and stockholders, of 59 Table of Contents the financial performance of our total investment portfolio and total debt portfolio.
In particular, we evaluate performance through monitoring the portfolio yields as we consider them to be effective indicators, for both management and stockholders, of 61 Table of Contents the financial performance of our total investment portfolio and total debt portfolio.
The increa se in interest and dividend income for the year ended December 31, 2024 as compared to the year ended December 31, 2023 is primarily attributable to an increase in the weighted average principal outstanding and dividend income distributions primarily from the Adviser Subsidiary.
The increa se in interest and dividend income for the year ended December 31, 2025 as compared to the year ended December 31, 2024, is primarily attributable to an increase in the weighted average principal outstanding and dividend income distributions primarily from the Adviser Subsidiary.
(3) The core and effective yields represent the weighted average yields for the three month periods ended December 31, 2024 and December 31, 2023. Please refer to the "Portfolio Yield" section below for further discussion of these measures.
(3) The core and effective yields represent the weighted average yields for the three month periods ended December 31, 2025 and December 31, 2024. Please refer to the "Portfolio Yield" section below for further discussion of these measures.
We also generate revenue in the form of capital gains, if any, on warrants or other equity securities that we acquire from our portfolio companies. As of December 31, 2024, our debt investments generally have a term of between two and five years and typically bear interest at a rate ranging from approximately 7.5% to approximately 14.9%.
We also generate revenue in the form of capital gains, if any, on warrants or other equity securities that we acquire from our portfolio companies. As of December 31, 2025, our debt investments generally have a term of between two and five years and typically bear interest at a rate ranging from approximately 7% to approximately 14%.
As a result of the SEC exemptive order, our ratio of total assets on a consolidated basis to outstanding indebtedness may be less than 150%, which while providing increased investment flexibility, also may increase our exposure to risks associated with leverage. Total asset coverage when including our SBA debentures as senior securities was 211.5% as of December 31, 2024.
As a result of the SEC exemptive order, our ratio of total assets on a consolidated basis to outstanding indebtedness may be less than 150%, which while providing increased investment flexibility, also may increase our exposure to risks associated with leverage. Total asset coverage when including our SBA debentures as senior securities was 195.5% as of December 31, 2025.
Given the unpredictability and fluidity of the macroeconomic market, neither our management nor our Board is able to predict the full impact of the macroeconomic events on our business, future results of operations, financial position, or cash flows. For additional information, see "Part I - Item 1A. Risk Factors" in this Annual Report.
Given the unpredictability and fluidity of the macroeconomic market, neither our management nor our Board is able to predict the full impact of the macroeconomic events on our business, future results of operations, financial position, or cash flows. For additional information, see “Part I - Item 1A. Risk Factors” in this Annual Report.
There can be no assurance that companies that have yet to complete their IPO will do so in a timely manner or at all. The following table presents certain additional selected information regarding our debt investment portfolio as of December 31, 2024 and December 31, 2023.
There can be no assurance that companies that have yet to complete their IPOs will do so in a timely manner or at all. The following table presents certain additional selected information regarding our debt investment portfolio as of December 31, 2025 and December 31, 2024.
Partially offsetting income growth was the impact of declining Core Yield due to declining benchmark rates in 2024. 63 Table of Contents Interest income is comprised of recurring interest income from the contractual servicing of loans and non-recurring interest income that is related to the acceleration of income due to early loan repayments and other one-time events during the period.
Partially offsetting income growth was the impact of declining core yield due to declining benchmark rates in 2025. 65 Table of Contents Interest income is comprised of recurring interest income from the contractual servicing of loans and non-recurring interest income that is related to the acceleration of income due to early loan repayments and other one-time events during the period.
In order to draw a portion of the Company's available unfunded commitments, a portfolio company must submit to the Company a formal funding request that complies with the applicable advance notice and other operational requirements.
In order to draw a portion of the our available unfunded commitments, a portfolio company must submit to us a formal funding request that complies with the applicable advance notice and other operational requirements.
Risk Factors,” which could cause actual results to differ materially from the results expressed in, or implied by, these forward-looking statements. Forward-looking statements relate to future events or our future financial performance.
Risk Factors”, which could cause actual results to differ materially from the results expressed in, or implied by, these forward-looking statements. Forward-looking statements relate to future events or our future financial performance.
This ex cludes $139.7 million and $127.7 million of unfunded commitments as of December 31, 2024 and December 31, 2023, respectively, to portfolio companies related to loans assigned to or directly committed by the Adviser Funds. We receive principal payments on our debt investment portfolio based on scheduled amortization of the outstanding balances.
This ex cludes $96.2 million and $139.7 million of unfunded commitments as of December 31, 2025 and December 31, 2024, respectively, to portfolio companies related to loans assigned to or directly committed by the Adviser Funds. We receive principal payments on our debt investment portfolio based on scheduled amortization of the outstanding balances.
Three Months Ended December 31, Year ended December 31, 2024 2023 2024 2023 Total Yield 13.2% 14.6% 13.9% 14.6% Effective Yield (1) 13.7% 15.3% 14.4% 15.4% Core Yield (Non-GAAP) (1) 12.9% 14.3% 13.5% 14.1% (1) Yield calculated using “ Total investment income ” excluding bank interest, dividend income, and investment income from other assets for the three months and year ended December 31, 2024 and December 31, 2023.
Three Months Ended December 31, Year ended December 31, 2025 2024 2025 2024 Total Yield 12.4% 13.2% 12.8% 13.9% Effective Yield (1) 12.9% 13.7% 13.3% 14.4% Core Yield (Non-GAAP) (1) 12.5% 12.9% 12.5% 13.5% (1) Yield calculated using “ Total investment income ” excluding bank interest, dividend income, and investment income from other assets for the three months and year ended December 31, 2025 and December 31, 2024.
As of December 31, 2024 and 2023, unamortized capitalized fee income was recorded as follows: (in millions) As of December 31, 2024 2023 Offset against debt investment cost $ 36.9 $ 32.9 Deferred obligation contingent on funding or other milestone 9.1 9.4 Total Unamortized Fee Income $ 46.0 $ 42.3 Loan exit fees to be paid at the termination of the loan are accreted into interest income over the contractual life of the loan.
As of December 31, 2025 and 2024, unamortized capitalized fee income was recorded as follows: (in millions) As of December 31, 2025 2024 Offset against debt investment cost $ 42.5 $ 36.9 Deferred obligation contingent on funding or other milestone 9.8 9.1 Total Unamortized Fee Income $ 52.3 $ 46.0 Loan exit fees to be paid at the termination of the loan are accreted into interest income over the contractual life of the loan.
This includes being partially insulated from declining interest rates as all of 58 Table of Contents our floating rate debt investments, which represent 97.4% and 95.9% of our debt portfolio as of December 31, 2024 and December 31, 2023, respectively, are subject to interest rate floors.
This includes being partially insulated from declining interest rates as all of 60 Table of Contents our floating rate debt investments, which represent 97.9% and 97.4% of our debt portfolio as of December 31, 2025 and December 31, 2024, respectively, are subject to interest rate floors.
Payments on PIK loans are normally received only in the event of payoffs. The PIK receivable for December 31, 2024 and December 31, 2023 was approximately 2% and 1% of total debt investments, respectively.
Payments on PIK loans are normally received only in the event of payoffs. The PIK receivable for December 31, 2025 and December 31, 2024 was approximately 3% and 2% of total debt investments, respectively.
As of December 31, 2024, we had approximately $448.5 million of available unfunded commitments, including undrawn revolving facilities, which were available at the request of the portfolio company and unencumbered by future or unachieved milestones, as well as uncalled capital commitments to make investments in private equity funds.
As of December 31, 2025, we had approximately $385.6 million of available unfunded commitments, including undrawn revolving facilities, which were available at the request of the portfolio company and unencumbered by future or unachieved milestones, as well as uncalled capital commitments to make investments in private equity funds.
During the year ended December 31, 2024 , we issued and sold 11.7 million shares of our common stock receiving total accumulated net proceeds of approximately $218.3 million. This is a decrease from the year ended December 31, 2023, where we issued and sold 22.7 million shares of our common stock receiving total accumulated net proceeds of approximately $338.2 million.
This is a decrease from the year ended December 31, 2024, where we issued and sold 11.7 million shares of our common stock receiving total accumulated net proceeds of approximately $218.3 million.
In additi on, we receive principal repayments for some of our loans prior to their scheduled maturity date. The frequency or volume of these early principal repayments may fluctuate significantly from period to period. During the year ended December 31, 2024, we received approximately $953.6 million in aggregate principal repayments.
In additi on, we receive principal repayments for some of our loans prior to their scheduled maturity date. The frequency or volume of these early principal repayments may fluctuate significantly from period to period. During the year ended December 31, 2025, we received approximately $848.3 million in aggregate principal repayments.
During the years ended December 31, 2024 and December 31, 2023, we recorded approximately $51.3 million and $24.7 million of PIK income, respectively. Portfolio Yield We report our financial results on a GAAP basis. We monitor the performance of our total investment portfolio and total debt portfolio using both GAAP and Non-GAAP financial measures.
During the years ended December 31, 2025 and December 31, 2024, we recorded approximately $55.9 million and $51.3 million of PIK income, respectively. Portfolio Yield We report our financial results on a GAAP basis. We monitor the performance of our total investment portfolio and total debt portfolio using both GAAP and Non-GAAP financial measures.
Our existing warrant holdings would require us to invest approximately $60.5 million to exercise such warrants as of December 31, 2024. Warrants may appreciate or depreciate in value depending largely upon the underlying portfolio company’s performance and overall market conditions.
Our existing warrant holdings would require us to invest approximately $63.7 million to exercise such warrants as of December 31, 2025. Warrants may appreciate or depreciate in value depending largely upon the underlying portfolio company’s performance and overall market conditions.
As a result, comparison of the net increase (decrease) in net assets resulting from operations may not be meaningful. Investment Income Total investment income for the year ended December 31, 2024 was a pproximately $493.6 million as compared to approximately $460.7 million for the year ended December 31, 2023.
As a result, comparison of the net increase (decrease) in net assets resulting from operations may not be meaningful. Investment Income Total investment income for the year ended December 31, 2025 was a pproximately $532.5 million as compared to approximately $493.6 million for the year ended December 31, 2024.
As of December 31, 2024, our asset coverage ratio under our regulatory requirements as a BDC was 231.7% excluding our SBA debentures. We received an exemptive order from the SEC that allows us to exclude all SBA leverage as senior securities from our asset coverage ratio.
As of December 31, 2025, our asset coverage ratio under our regulatory requirements as a BDC was 212.1% excluding our SBA debentures. We received an exemptive order from the SEC that allows us to exclude all SBA leverage as senior securities from our asset coverage ratio.
During the year ended December 31, 2024, we principally funded our operations from (i) cash receipts from interest, dividend, and fee income from our investment portfolio, (ii) cash proceeds from the realization of portfolio investments through the repayments of debt investments and the sale of debt and equity investments, (iii) debt borrowings on our Credit Facilities, and (iv) equity offerings.
During the year ended December 31, 2025, we principally funded our operations from (i) cash receipts from interest, dividend, and fee income from our investment portfolio, (ii) cash proceeds from the realization of portfolio investments through the repayments of debt investments and the sale of debt and equity investments, (iii) debt borrowings on our Credit Facilities, 2028 Convertible Notes and June 2030 Notes, and (iv) equity offerings.
Performing and Non-accrual Investments The following table shows the amortized cost of our performing and non-accrual investments as of December 31, 2024 and December 31, 2023: (in millions) As of December 31, 2024 2023 Amortized Cost Percentage of Total Portfolio at Amortized Cost Amortized Cost Percentage of Total Portfolio at Amortized Cost Performing $ 3,648 98.3 % $ 3,216 99.0 % Non-accrual 61 1.7 % 31 1.0 % Total Investments $ 3,709 100.0 % $ 3,247 100.0 % Debt investments are placed on non-accrual status when it is probable that principal, interest or fees will not be collected according to contractual terms.
Performing and Non-accrual Investments The following table shows the amortized cost of our performing and non-accrual investments as of December 31, 2025 and December 31, 2024: (in millions) As of December 31, 2025 2024 Amortized Cost Percentage of Total Portfolio at Amortized Cost Amortized Cost Percentage of Total Portfolio at Amortized Cost Performing $ 4,457 99.8 % $ 3,648 98.3 % Non-accrual 11 0.2 % 61 1.7 % Total Investments $ 4,468 100.0 % $ 3,709 100.0 % Debt investments are placed on non-accrual status when it is probable that principal, interest, or fees will not be collected according to contractual terms.
Under the terms of the Sharing Agreement, we allocate the related expenses of shared services to the Adviser Subsidiary. Our total net operating expenses for the years ended December 31, 2024 and 2023, are net of expenses alloc ated to the Adviser Subsidiary of $10.8 million and $9.1 million, respectively.
Under the terms of the Sharing Agreement, we allocate the related expenses of shared services to the Adviser Subsidiary. Our total net operating expenses for the years ended December 31, 2025 and 2024, are net of expenses alloc ated to the Adviser Subsidiary of $15.2 million and $10.8 million, respectively.
As of December 31, 2024, the fair value as a percentage of total portfolio does not exceed 5.0% for any individual industry sector other than “Software”, “Drug Discovery & Development”, “Healthcare Services, Other”, and “Consumer & Business Services.” Industry and sector concentrations vary as new loans are recorded and loans are paid off.
As of December 31, 2025, the fair value as a percentage of total portfolio does not exceed 5.0% for any individual industry sector other than “Application Software”, “Drug Discovery & Development”, “Healthcare Services, Other”, “System Software”, and “Consumer & Business Services”. Industry and sector concentrations vary as new loans are recorded and loans are paid off.
Changes in interest rates, including Prime, SOFR, SONIA, or BSBY rates, may affect the interest income and the value of our investment portfolio for portfolio investments with floating rates. Our investments in Structured Debt generally have detachable equity enhancement features in the form of warrants or other equity securities designed to provide us with an opportunity for capital appreciation.
Changes in these benchmark index rates may affect the interest income and the value of our investment portfolio for portfolio investments with floating rates. Our investments in Structured Debt generally have detachable equity enhancement features in the form of warrants or other equity securities designed to provide us with an opportunity for capital appreciation.
As of December 31, 2024, we, including through our Adviser Subsidiary, actively manage approximately $4.8 billion of assets. We are structured as an internally managed, non-diversified, closed-end investment company that has elected to be regulated as a BDC under the 1940 Act. As a BDC, we are required to comply with certain regulatory requirements.
As of December 31, 2025, we, including through our Adviser Subsidiary, actively manage more than $5.7 billion of assets. We are structured as an internally managed, non-diversified, closed-end investment company that has elected to be regulated as a BDC under the 1940 Act. As a BDC, we are required to comply with certain regulatory requirements.
For the years ended December 31, 2024 and 2023, our ten largest portfolio companies represented approximately 31.6% and 29.7% of the total fair value of our investments in portfolio companies, respectively. As of December 31, 2024 and December 31, 2023, we had six and five investments that represented 5% or more of our net assets, respectively.
For the years ended December 31, 2025 and 2024, our ten largest portfolio companies represented approximately 28.6% and 31.6%, respectively, of the total fair value of our investments in portfolio companies. As of December 31, 2025 and December 31, 2024, we had seven and six investments, respectively, that represented 5% or more of our net assets.
December 31, 2024 December 31, 2023 Number of portfolio companies with debt outstanding 118 125 Percentage of debt bearing a floating rate 97.4 % 95.9 % Percentage of debt bearing a fixed rate 2.6 % 4.1 % Weighted average core yield on debt investments (1)(3) 12.9 % 14.3 % Weighted average effective yield on debt investments (2)(3) 13.7 % 15.3 % Prime rate at the end of the period 7.50 % 8.50 % Percentage of Prime rate linked debt investments 77.5 % 69.2 % Weighted average floor rate bearing a Prime rate 7.2 % 5.7 % Percentage of SOFR, SONIA and BSBY rate linked debt investments 19.9 % 26.7 % Weighted average floor rate bearing a SOFR, SONIA or BSBY rate 1.0 % 1.1 % (1) The core yield is a Non-GAAP financial measure.
December 31, 2025 December 31, 2024 Number of portfolio companies with debt outstanding 127 118 Percentage of debt bearing a floating rate 97.9 % 97.4 % Percentage of debt bearing a fixed rate 2.1 % 2.6 % Weighted average core yield on debt investments (1)(3) 12.5 % 12.9 % Weighted average effective yield on debt investments (2)(3) 12.9 % 13.7 % Prime rate at the end of the period 6.75 % 7.50 % Percentage of Prime rate linked debt investments 84.0 % 77.5 % Weighted average floor rate bearing a Prime rate 7.2 % 7.2 % Percentage of SOFR, SONIA and BSBY rate linked debt investments 13.9 % 19.9 % Weighted average floor rate bearing a SOFR, SONIA or BSBY rate 1.0 % 1.0 % (1) The core yield is a Non-GAAP financial measure.
Another financial measure that we monitor is the total return for our investors, which was approximately 32.8% and 42.0% during the years ended December 31, 2024 and 2023, respectively.
Another financial measure that we monitor is the total return for our investors, which was approximately 3.2% and 32.8% during the years ended December 31, 2025 and 2024, respectively.
As of December 31, 2024 and 2023, loan exit fees receivable were recorded as follows: (in millions) As of December 31, 2024 2023 Included within debt investment cost $ 39.2 $ 35.9 Deferred receivable related to expired commitments 3.0 4.3 Total Exit Fees Receivable $ 42.2 $ 40.2 Additionally, we have debt investments in our portfolio that earn PIK interest.
As of December 31, 2025 and 2024, loan exit fees receivable were recorded as follows: (in millions) As of December 31, 2025 2024 Included within debt investment cost $ 48.6 $ 39.2 Deferred receivable related to expired commitments 4.5 3.0 Total Exit Fees Receivable $ 53.1 $ 42.2 Additionally, we have debt investments in our portfolio that earn PIK interest.
Macroeconomic Market Developments The capital markets are subject to fluctuations caused by various external factors such as changes in the inflationary environment, interest rate movements, concerns over slowing economic growth and possible global recession, changes to U.S. tariff and import/export regulations, uncertainty and disruption caused by geopolitical events, including the conflicts in Ukraine, Russia, and the Middle East, among other factors.
Macroeconomic Market Developments The capital markets are subject to fluctuations caused by various external factors such as changes in the inflationary environment, interest rate movements, concerns over slowing economic growth and possible global recession, changes to U.S. tariff and import/export regulations, uncertainty and disruption caused by geopolitical tensions and disruptions caused by government shutdowns, among other factors.
Portfolio and Investment Activity The total fair value of our investment portfolio as of December 31, 2024 and December 31, 2023 was as follows: (in millions) Fair Value December 31, 2024 December 31, 2023 Debt $ 3,494.6 $ 3,057.3 Equity 128.7 152.2 Warrants 30.5 33.9 Investment Funds & Vehicles 6.2 4.6 Total Investment Portfolio $ 3,660.0 $ 3,248.0 Our investments in portfolio companies take a variety of forms, including unfunded contractual commitments and funded investments.
Portfolio and Investment Activity The total fair value of our investment portfolio as of December 31, 2025 and December 31, 2024 was as follows: (in millions) Fair Value December 31, 2025 December 31, 2024 Debt $ 4,279.4 $ 3,494.6 Equity 139.0 128.7 Warrants 41.1 30.5 Investment Funds & Vehicles 7.1 6.2 Total Investment Portfolio $ 4,466.6 $ 3,660.0 Our investments in portfolio companies take a variety of forms, including unfunded contractual commitments and funded investments.
As of December 31, 2024 and December 31, 2023, we had three and five equity investments, respectively, that represented 5% or more of the total fair value of our equity investments. These equity investments represented approximately 49.7% and 56.5% of the total fair value of our equity investments as of December 31, 2024 and December 31, 2023, respectively.
As of December 31, 2025 and December 31, 2024, we had two and three equity investments, respectively, that represented 5% or more of the total fair value of our equity investments. These equity investments represented approximately 48.4% and 49.7% of the total fair value of our equity investments as of December 31, 2025 and December 31, 2024, respectively.
Total amounts outstanding as of December 31, 2024, were $399.8 million outstanding under our Credit Facilities, which are floating interest rate obligations, and the remaining $1,383.5 million of term debt outstanding, which are all fixed interest rate debt obligations. Not considered above, as of December 31, 2024, we held $3.3 million of cash classified as restricted cash.
Total amounts outstanding as of December 31, 2025, were $445.9 million outstanding under our Credit Facilities, which are floating interest rate obligations, and the remaining $1,867.2 million of term debt outstanding, which are all fixed interest rate debt obligations. Not considered above, as of December 31, 2025, we held $2.5 million of cash classified as restricted cash.
Interest and dividend income for the year ended December 31, 2024 totaled appro ximately $467.2 million as compared to approximately $434.4 million for the year ended December 31, 2023.
Interest and dividend income for the year ended December 31, 2025 totaled appro ximately $507.9 million as compared to approximately $467.2 million for the year ended December 31, 2024.
The following table shows the PIK-related activity for the years ended December 31, 2024 and 2023, at cost: (in thousands) Year Ended December 31, 2024 2023 Beginning PIK interest receivable balance $ 38,030 $ 25,713 PIK interest income during the period 51,270 24,670 PIK capitalized as principal or converted to equity or other assets (1,095) (3,317) Payments received from PIK loans (18,346) (9,036) Realized loss (2,203) — Ending PIK interest receivable balance $ 67,656 $ 38,030 The increase in PIK interest income during the year ended December 31, 2024, as compared to the year ended December 31, 2023 is due to an increase in the weighted average principal outstanding for debt investments which earn PIK interest.
The following table shows the PIK-related activity for the years ended December 31, 2025 and 2024, at cost: (in thousands) Year Ended December 31, 2025 2024 Beginning PIK interest receivable balance $ 67,656 $ 38,030 PIK interest income during the period 55,923 51,270 PIK capitalized as principal or converted to equity or other assets (5,318) (1,095) Payments received from PIK loans (4,894) (18,346) Realized gain (loss) (4,232) (2,203) Ending PIK interest receivable balance $ 109,135 $ 67,656 The increase in PIK interest income during the year ended December 31, 2025, as compared to the year ended December 31, 2024, is due to an increase in the weighted average principal outstanding for debt investments which earn PIK interest.
The following table shows the approximate increase (decrease) to the fair value of our debt investments from hypothetical change to the yield interest rates used for each valuation, assuming no other changes: (in thousands) Change in unrealized appreciation (depreciation) Basis Point Change (100) $ 51,209 (50) $ 27,134 50 $ (29,148) 100 $ (58,584) For a further discussion and disclosure of key inputs and considerations related to this estimate, refer to "Note 3 -Fair Value of Financial Instruments" included in the notes to our consolidated financial statements appearing elsewhere in this report.
The following table shows the approximate increase (decrease) to the fair value of our debt investments from hypothetical change to the yield interest rates used for each valuation, assuming no other changes: (in thousands) Change in unrealized appreciation (depreciation) Basis Point Change (100) $ 64,749 (50) $ 33,990 50 $ (34,650) 100 $ (69,297) For a further discussion and disclosure of key inputs and considerations related to this estimate, refer to “Note 3 - Fair Value of Financial Instruments” included in the notes to our consolidated financial statements appearing elsewhere in this report.
As of December 31, 2024, we had $1,783.3 million of debt outstanding, $170.0 million due within the next year, $891.0 million due within 1 to 3 years, and $722.3 million due beyond 3 years. In addition to our debt obligations, in the normal course of business, we are party to financial instruments with off-balance sheet risk.
As of December 31, 2025, we had $2,313.1 million of debt outstanding, $425.0 million due within the next year, $637.5 million due within 1 to 3 years, and $1,250.6 million due beyond 3 years. In addition to our debt obligations, in the normal course of business, we are party to financial instruments with off-balance sheet risk.
Through generation of current income from our debt investments and capital appreciation from our warrant and equity investments, we aim to maximize our portfolio total return. Since inception through December 31, 2024, we have originated more than $21.0 billion in commitments in over 600 co mpanies.
Through generation of current income from our debt investments and capital appreciation from our warrant and equity investments, we aim to maximize our portfolio total return. Since inception through December 31, 2025, we have originated more than $ 25.0 billio n in commitments in ov er 700 co mpanies.
Interest collected on non-accrual investments are generally applied to principal. 62 Table of Contents Results of Operations Our condensed consolidated operating results for the years ended December 31, 2024 and 2023, were as follows: (in thousands, except per share data) Year Ended December 31, 2024 2023 Total investment income $ 493,591 $ 460,668 Total expenses 167,759 156,631 Net investment income 325,832 304,037 Net realized gain (loss): (31,657) 8,437 Net change in unrealized appreciation (depreciation): (31,209) 25,010 Net increase (decrease) in net assets resulting from operations $ 262,966 $ 337,484 Net investment income before gains and losses per common share: Basic $ 2.00 $ 2.09 Change in net assets resulting from operations per common share: Basic $ 1.61 $ 2.32 Diluted $ 1.61 $ 2.31 Our operating results can vary substantially from period to period due to various factors, including changes in the level of investments held, changes in our investment yields, recognition of realized gains and losses, and changes in net unrealized appreciation and depreciation, among other factors.
Interest collected on non-accrual investments are generally applied to principal. 64 Table of Contents Results of Operations Our condensed consolidated operating results for the years ended December 31, 2025 and 2024, were as follows: (in thousands, except per share data) Year Ended December 31, 2025 2024 Total investment income $ 532,493 $ 493,591 Total expenses 190,773 167,759 Net investment income 341,720 325,832 Net realized gain (loss): (40,795) (31,657) Net change in unrealized appreciation (depreciation): 38,812 (31,209) Net increase (decrease) in net assets resulting from operations $ 339,737 $ 262,966 Net investment income before gains and losses per common share: Basic $ 1.91 $ 2.00 Change in net assets resulting from operations per common share: Basic $ 1.90 $ 1.61 Diluted $ 1.85 $ 1.61 Our operating results can vary substantially from period to period due to various factors, including changes in the level of investments held, changes in our investment yields, recognition of realized gains and losses, and changes in net unrealized appreciation and depreciation, among other factors.
As of December 31, 2024 and 2023, approximately 97.4% and 95.9% of the debt investment portfolio was priced at floating interest rates or floating interest rates with a Prime, SOFR, SONIA, or BSBY-based interest rate floor, respectively.
As of December 31, 2025 and 2024, approximately 97.9% and 97.4%, respectively, of the debt investment portfolio was priced at floating interest rates with a floor. Our interest rates use Prime, SOFR, or SONIA as benchmark index rates.
The reconciliation to calculate “Core investment income” from GAAP basis “Total investment income” are as follows: (in thousands) Three Months Ended December 31, Year ended December 31, 2024 2023 2024 2023 GAAP Basis: Total investment income $ 121,784 $ 122,603 $ 493,591 $ 460,668 Less: fee and income accelerations attributed to early payoffs, restructuring, loan modifications, and other one-time events except income from expired commitments (7,309) (8,138) (32,382) (38,324) Non-GAAP Basis: Core investment income $ 114,475 $ 114,465 $ 461,209 $ 422,344 Less: bank interest income, dividend income, and other investment income from other assets (3,002) (2,269) (11,371) (5,123) Core investment income from debt portfolio $ 111,473 $ 112,196 $ 449,838 $ 417,221 We believe the Core Yield is useful for our investors as it provides the yield at which our debt investments are originated and eliminates one-off items that can fluctuate significantly from period to period, thereby allowing for a more meaningful comparison over time.
The reconciliation to calculate “Core investment income” from GAAP basis “Total investment income” are as follows: (in thousands) Three Months Ended December 31, Year ended December 31, 2025 2024 2025 2024 GAAP Basis: Total investment income $ 137,430 $ 121,784 $ 532,493 $ 493,591 Less: fee and income accelerations attributed to early payoffs, restructuring, loan modifications, and other one-time events except income from expired commitments (4,180) (7,309) (31,232) (32,382) Non-GAAP Basis: Core investment income $ 133,250 $ 114,475 $ 501,261 $ 461,209 Less: bank interest income, dividend income, and other investment income from other assets (2,816) (3,002) (12,091) (11,371) Core investment income from debt portfolio $ 130,434 $ 111,473 $ 489,170 $ 449,838 We believe the Core Yield is useful for our investors as it provides the yield at which our debt investments are originated and eliminates one-off items that can fluctuate significantly from period to period, thereby allowing for a more meaningful comparison over time.
The $182 thousand decrease in cash used in investing activities was due to a decrease in purchases of capital equipment. 67 Table of Contents During the year ended December 31, 2024, our financing activities provided $119.2 million of cash, compared to $22.7 million provided during the year ended December 31, 2023.
The $616 thousand decrease in cash used in investing activities was due to a decrease in purchases of capital equipment. During the year ended December 31, 2025, our financing activities provided $368.9 million of cash, compared to $119.2 million provided during the year ended December 31, 2024.
As the impact of the macro-economic events, potential global recession, acts of terrorism, war, geopolitical events, and the related disruption to markets and business continues to impact the economy, we will continue to evaluate our overall liquidity position and take proactive steps to maintain the appropriate liquidity position based upon the current circumstances. 68 Table of Contents Equity Offerings We may from time-to-time issue and sell shares of our common stock through public or ATM offerings.
As the impact of the macro-economic events, potential global recession, acts of terrorism, war, geopolitical 70 Table of Contents events, and the related disruption to markets and business continues to impact the economy, we will continue to evaluate our overall liquidity position and take proactive steps to maintain the appropriate liquidity position based upon the current circumstances.
Not all non-binding term sheets are expected to close and do not necessarily represent future cash requirements. 56 Table of Contents Our portfolio activity for the years ended December 31, 2024 and 2023 was comprised of the following: (in millions) December 31, 2024 December 31, 2023 Investment Commitments (1) Investment Commitments Originated by Hercules Capital and the Adviser Funds $ 2,692.7 $ 2,174.1 Less: Commitments assigned to or directly committed by the Adviser Funds (562.1) (595.6) Net Total Investment Commitments $ 2,130.6 $ 1,578.5 Gross Debt Commitments Originated by Hercules Capital and the Adviser Funds New portfolio company $ 2,335.4 $ 1,571.0 Existing portfolio company 344.8 589.5 Sub-total 2,680.2 2,160.5 Less: Debt commitments assigned to or directly committed by the Adviser Funds (559.9) (593.7) Net Total Debt Commitments $ 2,120.3 $ 1,566.8 Investment Fundings (2) Gross Debt Fundings by Hercules Capital and the Adviser Funds New portfolio company $ 1,281.7 $ 747.3 Existing portfolio company 513.5 836.5 Sub-total 1,795.2 1,583.8 Less: Debt fundings assigned to or directly funded by the Adviser Funds (381.4) (348.8) Net Total Debt Fundings $ 1,413.8 $ 1,235.0 Equity Investments and Investment Funds and Vehicles Fundings by Hercules Capital and the Adviser Funds New portfolio company $ 2.0 $ 2.0 Existing portfolio company 10.0 12.8 Sub-total $ 12.0 $ 14.8 Less: Equity fundings assigned to or directly funded by the Adviser Funds (1.8) (1.9) Net Total Equity and Investment Funds and Vehicle Fundings $ 10.2 $ 12.9 Total Unfunded Contractual Commitments (3) $ 448.5 $ 335.3 Non-Binding Term Sheets New portfolio company $ 297.6 $ 645.0 Existing portfolio company — 31.8 Total $ 297.6 $ 676.8 (1) Includes restructured loans and renewals in addition to new commitments.
Not all non-binding term sheets are expected to close and do not necessarily represent future cash requirements. 58 Table of Contents Our portfolio activity for the years ended December 31, 2025 and 2024 was comprised of the following: (in millions) December 31, 2025 December 31, 2024 Investment Commitments (1) Investment Commitments Originated by Hercules Capital and the Adviser Funds $ 3,924.3 $ 2,692.7 Less: Commitments assigned to or directly committed by the Adviser Funds (1,028.4) (562.1) Net Total Investment Commitments $ 2,895.9 $ 2,130.6 Gross Debt Commitments Originated by Hercules Capital and the Adviser Funds New portfolio company $ 2,668.1 $ 2,335.4 Existing portfolio company 1,241.9 344.8 Sub-total 3,910.0 2,680.2 Less: Debt commitments assigned to or directly committed by the Adviser Funds (1,024.7) (559.9) Net Total Debt Commitments $ 2,885.3 $ 2,120.3 Investment Fundings (2) Gross Debt Fundings by Hercules Capital and the Adviser Funds New portfolio company $ 1,383.8 $ 1,281.7 Existing portfolio company 876.1 513.5 Sub-total 2,259.9 1,795.2 Less: Debt fundings assigned to or directly funded by the Adviser Funds (575.4) (381.4) Net Total Debt Fundings $ 1,684.5 $ 1,413.8 Equity Investments and Investment Funds and Vehicles Fundings by Hercules Capital and the Adviser Funds New portfolio company $ 4.9 $ 2.0 Existing portfolio company 10.3 10.0 Sub-total $ 15.2 $ 12.0 Less: Equity fundings assigned to or directly funded by the Adviser Funds (3.7) (1.8) Net Total Equity and Investment Funds and Vehicle Fundings $ 11.5 $ 10.2 Total Unfunded Contractual Commitments (3) $ 385.6 $ 448.5 Non-Binding Term Sheets New portfolio company $ 557.1 $ 297.6 Existing portfolio company 257.5 — Total $ 814.6 $ 297.6 (1) Includes restructured loans and renewals in addition to new commitments.
We currently sell shares through our equity distribution agreements (the “2024 Equity Distribution Agreements”) with Citizens JMP Securities LLC and Jefferies LLC (the “Sales Agents”) entered into on December 12, 2024. The 2024 Equity Distribution Agreements provide that we may offer and sell up to 30.0 million shares of our common stock from time to time through the Sales Agents.
Equity Offerings We may from time-to-time issue and sell shares of our common stock through public or ATM offerings. We currently sell shares through our equity distribution agreements (the “2024 Equity Distribution Agreements”) with Citizens JMP Securities LLC and Jefferies LLC (the “Sales Agents”) entered into on December 12, 2024.
A summary of net realized gains and losses for the years ended December 31, 2024 and 2023 is as follows: (in thousands) Year Ended December 31, 2024 2023 Realized gains $ 39,676 $ 29,920 Realized losses (70,175) (21,493) Realized foreign exchange gains (losses) (987) 10 Realized loss on extinguishment of debt (171) — Net realized gains (losses) $ (31,657) $ 8,437 During the year ended December 31, 2024, we recognized a net realized loss of $31.7 million.
A summary of net realized gains and losses for the years ended December 31, 2025 and 2024 is as follows: (in thousands) Year Ended December 31, 2025 2024 Realized gains $ 32,096 $ 39,676 Realized losses (70,553) (70,175) Realized foreign exchange gains (losses) (2,154) (987) Realized loss on debt extinguishment (184) (171) Net realized gains (losses) $ (40,795) $ (31,657) During the year ended December 31, 2025, we recognized a net realized loss of $40.8 million.
The net realized losses were partially offset by gross realized gains of $39.7 million primarily from the sale 65 Table of Contents of our equity and warrant positions in Palantir Technologies, TransMedics Group, Inc., Tarsus Pharmaceuticals, Inc., DoorDash, Inc., and TG Therapeutics, Inc. During the yea r ended December 31, 2023, we recognized a net realized gain of $8.4 million.
The net realized losses were partially offset by gross realized gains of $39.7 million primarily from the sale of our equity and warrant positions in Palantir Technologies, TransMedics Group, Inc., Tarsus Pharmaceuticals, Inc., DoorDash, Inc., and TG Therapeutics, Inc.
Interest and Dividend Income The following table summarizes the components of interest and dividend income for the years ended December 31, 2024 and 2023: (in thousands) Year Ended December 31, 2024 2023 Contractual interest income $ 355,470 $ 351,883 Exit fee interest income 44,448 45,747 PIK interest income 51,270 24,670 Dividend income 7,900 1,400 Other investment income (1) 8,107 10,725 Total interest and dividend income $ 467,195 $ 434,425 (1) Other investment income includes OID interest income and interest recorded on other assets.
Interest and Dividend Income The following table summarizes the components of interest and dividend income for the years ended December 31, 2025 and 2024: (in thousands) Year Ended December 31, 2025 2024 Contractual interest income $ 381,711 $ 355,470 Exit fee interest income 50,991 44,448 PIK interest income 55,923 51,270 Dividend income 8,700 7,900 Other investment income (1) 10,562 8,107 Total interest and dividend income $ 507,887 $ 467,195 (1) Other investment income includes OID interest income and interest recorded on other assets.
The following table summarizes recurring and non-recurring interest income and dividend income for the years ended December 31, 2024 and December 31, 2023: (in thousands) Year Ended December 31, 2024 2023 Recurring interest income $ 441,361 $ 410,414 Non-recurring interest income 17,934 22,611 Dividend income 7,900 1,400 Total interest and dividend income $ 467,195 $ 434,425 A portion of interest income is earned in the form of PIK interest.
The following table summarizes recurring and non-recurring interest income and dividend income for the years ended December 31, 2025 and December 31, 2024: (in thousands) Year Ended December 31, 2025 2024 Recurring interest income $ 478,718 $ 441,361 Non-recurring interest income 20,469 17,934 Dividend income 8,700 7,900 Total interest and dividend income $ 507,887 $ 467,195 A portion of interest income is earned in the form of PIK interest.
Available liquidity and capital resources as of December 31, 2024 As of December 31, 2024, w e had $658.8 million in available liquidity, including $113.1 m illion in cash, cash equivalents and foreign cash, and available borrowing capacity of approximately $16.2 million under the SMBC Facility, $175.0 million under our SMBC letter of credit facility, $284.0 million under the MUFG Bank Facility, and $71.0 million of SBA debentures, subject to certain conditions.
Available liquidity and capital resources as of December 31, 2025 As of December 31, 2025, w e had $525.5 million in available liquidity, including $57.0 m illion in cash, cash equivalents and foreign cash, and available borrowing capacity of approximately $21.5 million (net of $0.5 million of outstanding letter of credits) under the SMBC Facility, $175.0 million under our SMBC letter of credit facility, and $272.0 million under the MUFG Bank Facility, subject to certain conditions.
The following 61 Table of Contents table shows the distribution of our outstanding debt investments on the 1 to 5 investment grading scale at fair value as of December 31, 2024 and 2023, respectively: (in thousands) December 31, 2024 December 31, 2023 Investment Grading Number of Companies Debt Investments at Fair Value Percentage of Total Portfolio Number of Companies Debt Investments at Fair Value Percentage of Total Portfolio 1 19 $ 654,489 18.7 % 20 $ 626,770 20.5 % 2 53 1,649,906 47.2 % 52 1,286,195 42.1 % 3 39 1,012,603 29.0 % 47 1,040,629 34.0 % 4 6 159,372 4.6 % 5 103,705 3.4 % 5 1 18,231 0.5 % 1 — 0.0 % 118 $ 3,494,601 100.0 % 125 $ 3,057,299 100.0 % As of December 31, 2024 and December 31, 2023, our debt investments had a weighted average investment grading of 2.26 and 2.24 on a cost basis, respectively.
The following table shows the distribution of our outstanding debt investments on the 1 to 5 investment grading scale at fair value as of December 31, 2025 and 2024, respectively: (in thousands) December 31, 2025 December 31, 2024 Investment Grading Number of Companies Debt Investments at Fair Value Percentage of Total Portfolio Number of Companies Debt Investments at Fair Value Percentage of Total Portfolio 1 16 $ 681,631 15.9 % 19 $ 654,489 18.7 % 2 69 2,168,985 50.7 % 53 1,649,906 47.2 % 3 39 1,355,528 31.7 % 39 1,012,603 29.0 % 4 3 73,268 1.7 % 6 159,372 4.6 % 5 — — 0.0 % 1 18,231 0.5 % Total 127 $ 4,279,412 100.0 % 118 $ 3,494,601 100.0 % As of December 31, 2025 and December 31, 2024, our debt investments had a weighted average investment grading of 2.20 and 2.26 on a cost basis, respectively.
Portfolio Grading We use an investment grading system, which grades each debt investment on a scale of 1 to 5 to characterize and monitor our expected level of risk on the debt investments in our portfolio with 1 being the highest quality.
We may also experience losses from our warrant portfolio in the event that warrants are terminated or expire unexercised. 63 Table of Contents Portfolio Grading We use an investment grading system, which grades each debt investment on a scale of 1 to 5 to characterize and monitor our expected level of risk on the debt investments in our portfolio with 1 being the highest quality.
The available unfunded commitments excludes unfunded commitments (i) for which, with respect to a portfolio company's agreement, a milestone was achieved after the last day on which the portfolio company could have requested a drawdown funding to be completed within the reporting period; and (ii) $139.7 million of unfunded commitments which represent the portion of portfolio company commitments assigned to or directly committed by the Adviser Funds. 69 Table of Contents Additionally, we had approximately $297.6 million of non-binding term sheets outstanding to five new companies, which generally convert to contractual commitments within approximately 90 days of signing.
The available unfunded commitments excludes unfunded commitments (i) for which, with respect to a portfolio company's agreement, a milestone was achieved after the last day on which the portfolio company could have requested a drawdown funding to be completed 71 Table of Contents within the reporting period; and (ii) $96.2 million of unfunded commitments which represent the portion of portfolio company commitments assigned to or directly committed by the Adviser Funds.
As of December 31, 2024, we held warrants in 98 portfolio companies, with a fair value of approximately $30.5 million. The fair value of our warrant portfolio decreased by approximately $3.4 million, as compared to a fair value of $33.9 million as of December 31, 2023, primarily related to the decrease in fair value of the portfolio companies.
As of December 31, 2025, we held warrants in 108 portfolio companies, with a fair value of approximately $41.1 million. The fair value of our warrant portfolio increased by approximately $10.6 million, as compared to a fair value of $30.5 million as of December 31, 2024, primarily related to the increase in fair value of the portfolio companies.
The following table summarizes the change in net unrealized appreciation or depreciation of investments for the years ended December 31, 2024 and 2023: (in thousands) Year Ended December 31, 2024 2023 Gross unrealized appreciation on portfolio investments $ 111,909 $ 198,322 Gross unrealized depreciation on portfolio investments (163,789) (145,232) Reversal of prior period net changes in unrealized appreciation (depreciation) upon a realization event (2) 3,010 (11,929) Net change in unrealized appreciation (depreciation) on portfolio investments (48,870) 41,161 Other net changes in unrealized appreciation (depreciation) (1) 17,661 (16,151) Total net change in unrealized appreciation (depreciation) on investments $ (31,209) $ 25,010 (1) Includes the net change in unrealized appreciation (depreciation) related to derivative instruments and other assets and liabilities (2) Included in reversals of prior period net changes in unrealized appreciation (depreciation) are $44.6 million of reversed unrealized depreciation, related to the $63.1 million of realized debt loss from the write-off of certain debt investments noted above.
The following table summarizes the change in net unrealized appreciation or depreciation of investments for the years ended December 31, 2025 and 2024: (in thousands) Year Ended December 31, 2025 2024 Gross unrealized appreciation on portfolio investments $ 68,562 $ 111,909 Gross unrealized depreciation on portfolio investments (58,720) (163,789) Reversal of prior period net changes in unrealized appreciation (depreciation) upon a realization event (1) 24,454 3,010 Net change in unrealized appreciation (depreciation) on portfolio investments 34,296 (48,870) Other net changes in unrealized appreciation (depreciation) (2) 4,516 17,661 Total net change in unrealized appreciation (depreciation) on investments $ 38,812 $ (31,209) (1) For the years ended December 31, 2025 and 2024, reversals of prior period net changes in unrealized appreciation (depreciation) include $45.2 million and $44.6 million, respectively, of reversed unrealized depreciation, related to the $57.7 million and $63.1 million, respectively, of realized debt losses from the write-off of certain debt investments noted above.
Employee Compensation Employee compensation and benefi ts totaled approximately $54.2 million for the year ended December 31, 2024, as compared to approximately $50.2 million fo r the year ended December 31, 2023. The increase for the year ended December 31, 2024 was primarily due to fluctuations in variable compensation and increase in headcount.
The increase for the year ended December 31, 2025 was primarily due to fluctuations in variable compensation and increase in headcount. Employee stock-based compensation totaled approximately $14.6 million for the year ended December 31, 2025, as compared to approximately $12.8 million for the year ended December 31, 2024.
(in thousands) As of December 31, Assets Under Management * 2024 2023 Growth % by the Company $ 3,776,399 $ 3,364,059 12.3 % by the Adviser Funds 987,314 808,917 22.1 % Total $ 4,763,713 $ 4,172,976 14.2 % * Assets under management includes investments, at fair value, cash and cash equivalents, foreign cash and restricted cash.
(in thousands) As of December 31, Assets Under Management * 2025 2024 Growth % by the Company $ 4,526,101 $ 3,776,399 19.9 % by the Adviser Funds 1,214,631 987,314 23.0 % Total $ 5,740,732 $ 4,763,713 20.5 % * Assets under management includes investments, at fair value, cash and cash equivalents, foreign cash and restricted cash.
Our primary use of funds will be investments in portfolio companies and cash distributions to holders of our common stock.
We intend to continue to operate in order to generate cash flows from operations, including income earned from investments in our portfolio companies. Our primary use of funds will be investments in portfolio companies and cash distributions to holders of our common stock.
The $96.5 million increase in cash flows from financing activities during the year ended December 31, 2024 was primarily due to an increase in net borrowings of $236.9 million, offset by a $119.9 million decrease in equity issued and a $29.8 million increase in dividend distributions.
The $249.7 million increase in cash flows from financing activities during the year ended December 31, 2025 was primarily due to an increase in net borrowing activity of $289.2 million, partially offset by a decrease of $13.9 million in equity issued.
Interest and fee expense during the year ended December 31, 2024, as compared to the year ended December 31, 2023, increased due to higher weighted average borrowing costs and debt outstanding. Our weighted average cost of debt was approximately 5.0% and 4.8% for the years ended December 31, 2024 and 2023, respectively.
Interest and Fees on our Debt Interest and fees on our debt totaled approx imately $103.2 million and $86.0 million for the years ended December 31, 2025 and 2024, respectively. Interest and fee expense during the year ended December 31, 2025, as compared to the year ended December 31, 2024, increased due to higher weighted average debt outstanding.
The Adviser Subsidiary’s contribution to our net investment income is primarily derived from dividend income declared by the Adviser Subsidiary and interest income earned on loans to the Adviser Subsidiary. For the years ended December 31, 2024 and 2023, $6.8 million and $1.4 million, respectively of dividends were declared by the Adviser Subsidiary.
The Adviser Subsidiary’s contribution to our net investment income is primarily derived from dividend income declared by the Adviser Subsidiary, expenses allocated to the Adviser Subsidiary, and interest income earned on loans to the Adviser Subsidiary.
The following table summarizes the key drivers of change in net unrealized appreciation (depreciation) of investments for the years ended December 31, 2024 and 2023: (in thousands) Year Ended December 31, 2024 2023 Debt Equity, Warrants and Investment Funds (1) Total Debt Equity, Warrants and Investment Funds (1) Total Investment valuation appreciation (depreciation) $ (45,718) $ (6,162) $ (51,880) $ 26,689 $ 26,401 $ 53,090 Reversal of prior period net changes in unrealized appreciation (depreciation) upon a realization event (2) 26,665 (23,655) 3,010 (6,556) (5,373) (11,929) Other net changes in unrealized appreciation (depreciation) (816) 18,477 17,661 (15,612) (539) (16,151) Net change in unrealized appreciation (depreciation) $ (19,869) $ (11,340) $ (31,209) $ 4,521 $ 20,489 $ 25,010 (1) Includes the net change in unrealized appreciation (depreciation) related to derivative instruments and other assets and liabilities.
The following table summarizes the key drivers of change in net unrealized appreciation (depreciation) of investments for the years ended December 31, 2025 and 2024: (in thousands) Year Ended December 31, 2025 2024 Debt Equity, Warrants and Investment Funds (2) Total Debt Equity, Warrants and Investment Funds (2) Total Investment valuation appreciation (depreciation) $ (5,049) $ 14,891 $ 9,842 $ (45,718) $ (6,162) $ (51,880) Reversal of prior period net changes in unrealized appreciation (depreciation) upon a realization event (1) 28,755 (4,301) 24,454 26,665 (23,655) 3,010 Other net changes in unrealized appreciation (depreciation) (2) 12,697 (8,181) 4,516 (816) 18,477 17,661 Net change in unrealized appreciation (depreciation) $ 36,403 $ 2,409 $ 38,812 $ (19,869) $ (11,340) $ (31,209) (1) For the years ended December 31, 2025 and 2024, reversals of prior period net changes in unrealized appreciation (depreciation) include $45.2 million and $44.6 million, respectively, of reversed unrealized depreciation, related to the $57.7 million and $63.1 million, respectively, of realized debt losses from the write-off of certain debt investments noted above.
During the years ended December 31, 2024 and 2023, we recorded approximately $31.2 million of net unrealized depreciation and $25.0 million of net unrealized appreciation on our investments. The decrease in unrealized depreciation was primarily related to depreciation of our equity, warrants, and debt investments during the year ended December 31, 2024.
The increase in unrealized appreciation was primarily related to appreciation on debt and warrant investments which was partially offset by depreciation of our equity investments during the year ended December 31, 2025.
The increase in general and administrative expenses for the year ended December 31, 2024 is primarily attributable to an increase in costs of office and professional fees and expenses. Tax expenses were $5.8 million and $6.1 milli on for the years ended December 31, 2024 and December 31, 2023, respectively. Our t ax expenses primarily relate to excise tax accruals.
Our general and administrative expenses decreased to $19.0 million from $19.7 million for the years ended December 31, 2025 and 2024, respectively. The decrease in general and administrative expenses for the year ended December 31, 2025 is primarily attributable to a decrease in costs of office and professional fees and expenses.
During the years ended December 31, 2024 and 2023, our net operating expenses totaled approximately $167.8 million and $156.6 million, respectively. Interest and Fees on our Debt Interest and fees on our debt totaled approx imately $86.0 million and $77.5 million for the years ended December 31, 2024 and 2023, respectively.
Operating Expenses Our operating expenses are comprised of interest and fees on our debt borrowings, general and administrative expenses, taxes, and employee compensation and benefits. During the years ended December 31, 2025 and 2024, our net operating expenses totaled approximately $190.8 million and $167.8 million, respectively.
The weighted average cost of debt includes interest and fees on our debt, but excludes the impact of fee accelerations due to the extinguishment of debt, as applicable.
The weighted average cost of debt includes interest and fees on our debt, but excludes the impact of fee accelerations due to the extinguishment of debt, as applicable. 66 Table of Contents General and Administrative Expenses and Tax Expenses General and administrative expenses include legal fees, consulting fees, accounting fees, printer fees, insurance premiums, rent, expenses associated with the workout of underperforming investments and various other expenses.
During the year ended December 31, 2024, we distributed dividends of $303.5 million compared to $273.7 million during the year ended December 31, 2023. We also reduced the usage of our overnight offering and ATM program, which provided (net of offering costs) approximately $218.3 million down from $338.2 million, during the years ended December 31, 2024 and 2023 .
W e distributed dividends of $326.0 million compared to $303.5 million, during the years ended December 31, 2025 and 2024, respectively . During the year ended December 31, 2025, our ATM program provided (net of offering costs) approximate ly $204.4 million compared to $218.3 million net proceeds received during the year ended December 31, 2024.