Biggest changeThe improvement in our weighted average credit rating reflects active management of our investment portfolio in 2022 to optimize our risk-adjusted investment yields in the rising interest rate environment, resulting in higher credit quality fixed income security purchases. 67 Table of Contents Details on the credit quality of our invested assets at December 31, 2022 are provided below: December 31, 2022 Credit Rating ($ in millions) Amortized Cost Fair Value % of Invested Assets Yield to Worst Effective Duration in Years Average Life in Years AAA AA A BBB Non-Investment Grade Not Rated Short-term investments $ 440 $ 440 5.6 % 4.2 % 0.01 0.01 $ 420 $ 20 $ — $ — $ — $ — Fixed income securities: U.S. government obligations 210 189 2.4 4.6 5.1 7.5 187 2 — — — — Foreign government obligations 11 10 0.1 5.2 6.7 8.2 — 2 5 2 — — State and municipal obligations 969 921 11.8 3.8 5.0 6.1 181 419 286 37 — — Corporate securities 2,586 2,361 30.2 5.8 4.6 6.3 41 270 974 916 160 — MBS: Residential mortgage-backed securities ("RMBS"): Agency RMBS 809 737 9.4 4.7 5.9 8.6 737 — — — — — Non-agency RMBS 360 323 4.1 5.8 4.5 7.1 213 35 76 — — — Total RMBS 1,170 1,060 13.5 5.1 5.5 8.2 949 35 76 — — — Commercial mortgage-backed securities ("CMBS") 664 614 7.9 6.5 3.3 4.3 523 44 42 5 — — Total mortgage-backed securities 1,833 1,674 21.4 5.6 4.7 6.8 1,472 79 117 5 — — CLO and other ABS: Auto 30 29 0.4 8.5 1.8 1.9 29 — — — — — Aircraft 58 48 0.6 11.4 2.9 3.5 — 1 20 22 6 — CLOs 867 809 10.3 7.6 2.1 5.2 386 261 47 38 59 17 Credit cards 8 8 0.1 6.2 3.1 3.5 7 — 1 — — — Other ABS 644 592 7.6 6.8 4.1 5.2 155 91 277 55 6 7 Total CLOs and Other ABS 1,608 1,486 19.0 7.4 2.9 5.1 578 354 345 114 71 25 Total securitized assets 3,441 3,160 40.4 6.4 3.8 6.0 2,050 433 462 120 71 25 Total fixed income securities and short-term investments 7,807 7,222 92.3 5.7 4.1 5.8 2,879 1,157 1,785 1,141 234 25 Total fixed income securities and short-term investments by credit rating percentage 39.9 % 16.0 % 24.7 % 15.8 % 3.2 % 0.3 % Commercial mortgage loans 149 139 1.8 4.9 4.4 6.2 — 11 58 67 3 — Equity securities: Common stock 1 165 160 2 — — — — — — — — 160 Preferred stock 2 2 — — — — — — — 2 — — Total equity securities 167 162 2.1 — — — — — — 2 — 160 Alternative investments: Private equity 281 281 3.6 — — — — — — — — 281 Private credit 55 55 0.7 — — — — — — — — 55 Real assets 35 35 0.5 — — — — — — — — 35 Total alternative investments 371 371 4.7 — — — — — — — — 371 Other investments 71 71 0.9 — — — — — — — — 71 Total invested assets $ 8,417 $ 7,826 100 % — % — — $ 2,879 $ 1,157 $ 1,785 $ 1,143 $ 234 $ 628 1 Includes investments in exchange traded funds, mutual funds, business development corporations, and real estate investment trusts.
Biggest changeNon-investment grade exposure represented approximately 4% of the total fixed income and short-term investments at both December 31, 2023 and December 31, 2022. 69 Table of Contents Details on the credit quality of our invested assets at December 31, 2023 are provided below: December 31, 2023 Credit Rating ($ in millions) Amortized Cost Fair Value % of Invested Assets Yield to Worst Effective Duration in Years Average Life in Years AAA AA A BBB Non-Investment Grade Not Rated Fixed income securities: U.S. government obligations $ 223 $ 205 2.4 % 4.7 % 4.7 7.2 $ — $ 205 $ — $ — $ — $ — Foreign government obligations 11 10 0.1 5.0 6.0 7.2 1 2 4 3 — — State and municipal obligations 613 586 6.7 4.1 5.3 6.6 92 261 212 21 — — Corporate securities 2,857 2,733 31.5 5.5 4.4 6.0 51 306 1,157 1,035 182 1 MBS: Residential mortgage-backed securities ("RMBS"): Agency RMBS 1,098 1,036 11.9 4.8 5.1 8.0 — 1,036 — — — — Non-agency RMBS 471 441 5.1 5.8 4.0 6.0 383 27 22 9 — — Total RMBS 1,569 1,477 17.0 5.1 4.8 7.4 383 1,063 22 9 — — Commercial mortgage-backed securities ("CMBS") 719 675 7.8 6.8 3.2 4.0 498 158 17 2 — — Total MBS 2,288 2,152 24.8 5.6 4.3 6.3 882 1,220 39 11 — — CLO and other ABS: Auto 139 140 1.6 6.9 1.9 2.0 135 1 4 — — — Aircraft 49 43 0.5 10.1 2.7 3.1 — — 21 17 5 — CLOs 863 825 9.5 7.7 2.3 4.6 394 270 52 39 56 14 Credit cards 16 16 0.2 5.0 3.0 3.3 16 — 1 — — — Other ABS 844 811 9.3 6.2 4.9 6.2 247 115 358 63 7 19 Total CLOs and Other ABS 1,912 1,835 21.1 7.0 3.4 5.1 792 386 436 119 68 33 Total securitized assets 4,199 3,987 45.9 6.3 3.9 5.8 1,674 1,607 475 130 68 33 CMLs 189 179 2.1 5.7 3.4 5.1 — 11 71 94 3 — Total fixed income investments 8,092 7,700 89 5.8 4.2 5.9 1,817 2,391 1,919 1,284 253 35 Short-term investments 309 309 3.6 5.1 — — 296 13 — — — — Total fixed income and short-term investments 8,401 8,009 92.2 5.8 4.0 5.7 2,114 2,404 1,919 1,284 253 35 Total fixed income and short-term investments by credit rating percentage 26.4 % 30.0 % 24.0 % 16.0 % 3.2 % 0.5 % Equity securities: Common stock 1 181 185 2.1 0.9 — — — — — — — 185 Preferred stock 2 2 — 9.3 — — — — — 2 — — Total equity securities 183 187 2.2 0.9 — — — — — 2 — 185 Alternative investments: Private equity 302 302 3.5 — — — — — — — — 302 Private credit 54 54 0.6 — — — — — — — — 54 Real assets 40 40 0.5 — — — — — — — — 40 Total alternative investments 396 396 4.6 — — — — — — — — 396 Other investments 91 91 1 — — — — — — — — 91 Total invested assets $ 9,071 $ 8,683 100 % — % — — $ 2,114 $ 2,404 $ 1,919 $ 1,286 $ 253 $ 707 1 Includes investments in exchange traded funds, mutual funds, business development corporations, and real estate investment trusts.
However, new and reinvested money used to purchase fixed income securities would benefit from rising interest rates and would be negatively impacted by falling interest rates.
However, new and reinvested money used to purchase fixed income securities would benefit from rising interest rates and be negatively impacted by falling interest rates.
Our fixed income securities portfolio is comprised of primarily investment grade (investments receiving Standard & Poor's Global Ratings ("S&P") or an equivalent rating of BBB- or above) corporate securities, U.S. government and agency securities, municipal obligations, collateralized loan obligations ("CLO") and other asset-backed securities ("ABS"), and mortgage-backed securities ("MBS").
Our fixed income securities portfolio is comprised of primarily investment grade (investments receiving Standard & Poor's Global Ratings or an equivalent rating of BBB- or above) corporate securities, U.S. government and agency securities, municipal obligations, collateralized loan obligations ("CLO") and other asset-backed securities ("ABS"), and mortgage-backed securities ("MBS").
Under the Line of Credit, the Lenders have agreed to provide the Parent with a $50 million revolving credit facility, which can be increased to $125 million with the consent of the Lenders. The Line of Credit will mature on November 7, 2025, and has a variable interest rate based on the Parent’s debt ratings.
Under the Line of Credit, the Lenders have agreed to provide the Parent with a $50 million revolving credit facility, which can be increased to $125 million with the Lenders' consent. The Line of Credit will mature on November 7, 2025, and has a variable interest rate based on the Parent’s debt ratings.
No individual CLO comprised more than 1% of our fixed income securities portfolio at December 31, 2022, and this portfolio had an average credit quality of AA-. Equity Price Risk Our equity securities portfolio is exposed to risk from potential volatility in equity market prices.
No individual CLO comprised more than 1% of our fixed income securities portfolio at December 31, 2023, and this portfolio had an average credit quality of "AA-." Equity Price Risk Our equity securities portfolio is exposed to risk from potential volatility in equity market prices.
Investment grade CLOs accounted for the majority of this portfolio at 9% of invested assets, while non-investment grade CLOs represented only 1% of invested assets. The CLO portfolio is well diversified by issuer, manager, vintage year, and underlying corporate borrowers and sectors.
Investment grade CLOs accounted for the majority of this portfolio at 8% of invested assets, while non-investment grade CLOs represented only 1% of invested assets. The CLO portfolio is well diversified by issuer, manager, vintage year, and underlying corporate borrowers and sectors.
These holdings represented 15% of our total investment portfolio. The corporate securities portfolio allocation to financials is well-diversified by issuer and has a weighted average credit rating of “A-.” No individual issuer comprised more than 1% of our fixed income securities portfolio at December 31, 2022. MBS (RMBS and CMBS Portfolios) MBS represent our most significant exposure to real estate.
These holdings represented 15% of our total investment portfolio. The corporate securities portfolio allocation to financials is well-diversified by issuer and has a weighted average credit rating of "A-." No individual issuer comprised more than 1% of our fixed income securities portfolio at December 31, 2023. MBS (RMBS and CMBS Portfolios) MBS represent our most significant exposure to real estate.
The effective duration of the fixed income securities portfolio, including short-term investments, at December 31, 2022, was 4.1 years, which is within our historical range. The Insurance Subsidiaries’ net loss and loss expense reserves duration was approximately 3.1 years at December 31, 2022.
The effective duration of the fixed income securities portfolio, including short-term investments, at December 31, 2023, was 4.0 years, which is within our historical range. The Insurance Subsidiaries’ net loss and loss expense reserves duration was approximately 3.1 years at December 31, 2023.
Our debt is not exposed to material changes in interest rates because the interest rates are fixed. (b) Short-Term Debt On November 7, 2022, the Parent entered into a Credit Agreement (the “Line of Credit”) among the Parent, the lenders named therein (the “Lenders”), and Wells Fargo Bank, National Association, as Administrative Agent.
Our debt is not exposed to material changes in interest rates because the interest rates are fixed. (b) Short-Term Debt On November 7, 2022, the Parent entered into a Credit Agreement (the "Line of Credit") among the Parent, the lenders named therein (the "Lenders"), and Wells Fargo Bank, National Association, as Administrative Agent.
Item 7A. Quantitative and Qualitative Disclosures About Market Risk. Market Risk The fair value of our assets and liabilities are subject to market risks — primarily interest rate risk, credit risk, equity price risk, and liquidity risk related to our investment portfolio — and fluctuations in the value of our alternative investment portfolio.
Item 7A. Quantitative and Qualitative Disclosures About Market Risk. Market Risk The fair value of our assets and liabilities are subject to market risks — primarily interest rate risk, credit risk, equity price risk, and liquidity risk related to our investment portfolio.
Because of the quality of these dedicated revenue streams, we believe our special revenue bond portfolio is appropriate for the current environment. Corporate Securities Our corporate securities represented 30% of our invested assets at December 31, 2022. For investment-grade corporate bonds, we address the risk of an individual issuer's default by maintaining a diverse portfolio of holdings.
Because of the quality of these dedicated revenue streams, we believe our special revenue bond portfolio is appropriate for the current environment. Corporate Securities Our corporate securities represented 31% of our invested assets at December 31, 2023. For investment-grade corporate bonds, we address the risk of an individual issuer's default by maintaining a diverse portfolio.
We use fair values to measure the potential loss. This analysis is not intended to provide a precise forecast, or range, of the effect of changes in market interest rates and equity prices on our income or stockholders’ equity, but rather provides insight into the portfolio's sensitivity.
We use fair values to measure the potential loss. This analysis is not intended to provide a precise forecast or range of the effect of changes in market interest rates and equity prices on our income or stockholders’ equity. However, it provides insight into the portfolio's sensitivity.
Our fixed income securities portfolio contains interest rate-sensitive instruments, and its performance could be 66 Table of Contents adversely affected by changes in interest rates resulting from governmental monetary policies, domestic and international economic and political conditions, and other factors beyond our control.
Our fixed income securities portfolio contains interest rate-sensitive instruments, and its performance could be adversely affected by changes in interest rates resulting from governmental monetary policies, domestic and international economic and political conditions, and other factors beyond our control.
These analyses includes review of loan-to-value ratios, geographic spread of the assets securing the bond, delinquencies in payments on the underlying mortgages, gains/losses on sales, evaluations of projected cash flows, as well as other information that aids in determination of the health of the underlying assets.
These analyses include reviews of loan-to-value ratios, geographic spread of the assets securing the bond, delinquencies in payments on the underlying mortgages, gains/losses on sales, evaluations of projected cash flows, as well as other information that aids in determination of the health of the underlying assets.
For our special revenue bonds, 65% of the dedicated revenue stream is comprised of the following: (i) essential services (53%), which is comprised of transportation, water and sewer, and electric; and (ii) education (12%), which includes school districts and higher education, including state-wide university systems.
For our special revenue bonds, 63% of the dedicated revenue stream is comprised of the following: (i) essential services (53%), which is comprised of transportation, water and sewer, and electric; and (ii) education (10%), which includes school districts and higher education, including state-wide university systems.
Since these partnerships' underlying investments consist primarily of assets or liabilities for which there are no quoted prices in active markets for the same or similar assets, the valuation of interests in these partnerships are subject to a higher level of subjectivity 71 Table of Contents and unobservable inputs than substantially all of our other invested assets.
As these partnerships' underlying investments consist primarily of assets or liabilities for which there are no quoted prices in active markets for the same or similar assets, the valuation of interests in these partnerships are subject to a higher level of subjectivity and unobservable inputs than substantially all of our other invested assets.
Our portfolio allocation was 85% fixed income securities, 2% commercial mortgage loans, 2% equity securities, 5% short-term investments, 5% alternative investments, and 1% other investments as of December 31, 2022. Alternative investments are limited partnership investments in private equity, private credit, and real estate strategies. We do not directly hold derivatives, commodities, or other investments denominated in foreign currency.
Our portfolio allocation was 86% fixed income securities, 2% commercial mortgage loans ("CML"), 2% equity securities, 4% short-term investments, 5% alternative investments, and 1% other investments as of December 31, 2023. Alternative investments are limited partnership investments in private equity, private credit, and real estate strategies. We do not directly hold derivatives, commodities, or other investments denominated in foreign currency.
As we record our investments in these various partnerships under the equity method of accounting, any decreases in the valuation of these investments would negatively impact our results of operations. For additional information regarding these alternative investment strategies, see Note 5. “Investments” in Item 8. “Financial Statements and Supplementary Data.” of this Form 10-K.
We record our investments in these various partnerships under the equity method of accounting, so any decreases in these investments' valuations would negatively impact our results of operations. For additional information regarding these alternative investment strategies, see Note 5. "Investments" in Item 8. "Financial Statements and Supplementary Data." of this Form 10-K.
We discuss each of these sector holdings in more detail below. 68 Table of Contents State and Municipal Obligations Our state and municipal obligations represented 10% of our invested assets at December 31, 2022.
We discuss each of these sector holdings in more detail below. 70 Table of Contents State and Municipal Obligations Our state and municipal obligations represented 12% of our invested assets at December 31, 2023.
The tables below provide details on our CLO and other ABS holdings at December 31, 2022, and December 31, 2021: December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade: CLO $ 732.6 732.6 (49.6) AA+ Other ABS 658.0 658.0 (60.9) A+ Total investment grade 1,390.6 1,390.6 (110.5) AA Non-investment grade: CLO 76.1 76.1 (6.9) B Other ABS 19.3 19.3 (1.9) CCC+ Total non-investment grade 95.4 95.4 (8.8) B Total CLO and other ABS $ 1,486.0 1,486.0 (119.3) AA- December 31, 2021 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade: CLO $ 788.6 788.6 2.6 AA+ Other ABS 475.9 475.9 5.9 A+ Total investment grade 1,264.5 1,264.5 8.5 AA Non-investment grade: CLO 69.8 69.8 (0.3) B Other ABS 16.5 16.5 (0.2) CCC+ Total non-investment grade 86.3 86.3 (0.5) B Total CLO and other ABS $ 1,350.8 1,350.8 8.0 AA- CLOs represented 10% of our total invested assets as of December 31, 2022.
The tables below provide details on our CLO and other ABS holdings at December 31, 2023, and December 31, 2022: December 31, 2023 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade: CLO $ 754.6 754.6 (33.1) AA+ Other ABS 978.9 978.9 (36.8) AA- Total investment grade 1,733.5 1,733.5 (69.9) AA Non-investment grade: CLO 70.0 70.0 (3.4) B Other ABS 31.3 31.3 (0.9) CCC Total non-investment grade 101.3 101.3 (4.3) B Total CLO and other ABS $ 1,834.8 1,834.8 (74.2) A- 73 Table of Contents December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade: CLO $ 732.6 732.6 (49.6) AA+ Other ABS 658.0 658.0 (60.9) A+ Total investment grade 1,390.6 1,390.6 (110.5) AA Non-investment grade: CLO 76.1 76.1 (6.9) B Other ABS 19.3 19.3 (1.9) CCC+ Total non-investment grade 95.4 95.4 (8.8) B Total CLO and other ABS $ 1,486.0 1,486.0 (119.3) AA- CLOs represented 9% of our total invested assets as of December 31, 2023.
Our holdings of non-investment grade corporate bonds, which typically exhibit weaker credit profiles and are subject to more risk of credit loss, represent 2% of our overall investment portfolio. 69 Table of Contents The tables below provide details on our corporate bond holdings at December 31, 2022 and 2021: December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade $ 2,201.1 2,202.4 (189.8) A- Non-investment grade 160.4 160.4 (4.8) B+ Total corporate securities $ 2,361.5 2,362.8 (194.6) A- December 31, 2021 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade $ 2,424.8 2,424.3 100.0 A- Non-investment grade 174.6 174.6 2.5 B+ Total corporate securities $ 2,599.4 2,598.9 102.5 BBB+ The following tables provide the sector composition of this portfolio at December 31, 2022 and 2021: December 31, 2022 December 31, 2021 ($ in millions) Fair Value Weighted Average Credit Rating % of Fixed Income Securities Fair Value Weighted Average Credit Rating % of Fixed Income Securities Financials 1,194.3 A- 18 % 1,286.9 A- 19 % Consumer non-cyclicals 178.5 BBB+ 3 % 242.8 BBB+ 4 % Communications 136.2 A- 2 % 133.3 A- 2 % Utilities 97.7 A- 1 % 123.7 A- 2 % Consumer cyclicals 81.4 BBB 1 % 101.6 BBB 1 % Technology 77.1 BBB+ 1 % 95.6 BBB+ 1 % Energy 77.0 BBB 1 % 94.2 BBB 1 % Bank loans 37.6 B 1 % 57.3 B 1 % Basic materials 23.7 BBB- 0.3 % 33.0 BBB- 1 % Other 251.7 A- 4 % 188.6 BBB+ 3 % Other industrials 206.3 BBB 3 % 242.4 BBB 4 % Total corporate securities 2,361.5 A- 35 2,599.4 BBB+ 39 As illustrated in the table above, within our allocation to corporate securities, financials is our most significant industry concentration at 18% of our fixed income securities portfolio at December 31, 2022.
Our holdings of non-investment grade corporate bonds, which typically exhibit weaker credit profiles and are subject to more risk of credit loss, represent 2% of our overall investment portfolio. 71 Table of Contents The tables below provide details on our corporate bond holdings at December 31, 2023 and 2022: December 31, 2023 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade $ 2,549.8 2,550.5 (112.6) A- Non-investment grade 183.4 183.4 2.0 B+ Total corporate securities $ 2,733.2 2,733.9 (110.6) A- December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) Investment grade $ 2,201.1 2,202.4 (189.8) A- Non-investment grade 160.4 160.4 (4.8) B+ Total corporate securities $ 2,361.5 2,362.8 (194.6) A- The following tables provide the sector composition of this portfolio at December 31, 2023 and 2022: December 31, 2023 December 31, 2022 ($ in millions) Fair Value Weighted Average Credit Rating % of Fixed Income Securities Fair Value Weighted Average Credit Rating % of Fixed Income Securities Financials $ 1,284.4 A- 17 % $ 1,194.3 A- 18 % Consumer non-cyclicals 221.7 A- 3 178.5 BBB+ 3 Communications 130.7 BBB+ 2 136.2 A- 2 Utilities 142.3 A- 2 97.7 A- 1 Consumer cyclicals 115.5 BBB 1 81.4 BBB 1 Energy 96.9 BBB 1 77.0 BBB 1 Technology 88.1 BBB 1 77.1 BBB+ 1 Basic Materials 23.4 BBB 1 23.7 BBB- 1 Bank Loans 19.6 B+ 1 37.6 B 1 Other 342.6 A- 4 251.7 A- 4 Other industrials 268.0 BBB 3 206.3 BBB 3 Total corporate securities $ 2,733.2 A- 36 $ 2,361.5 A- 36 As illustrated in the table above, within our allocation to corporate securities, financials is our most significant industry concentration at 17% of our fixed income securities portfolio at December 31, 2023.
Indebtedness (a) Long-Term Debt As of December 31, 2022, we had outstanding long-term debt of $504.7 million that matures as shown in the following table: 2022 ($ in thousands) Year of Maturity Carrying Amount Fair Value Financial liabilities Long-term debt 3.03% Borrowings from FHLBI 2026 60,000 57,175 7.25% Senior Notes 2034 49,921 51,705 6.70% Senior Notes 2035 99,542 99,264 5.375% Senior Notes 2049 294,424 258,459 Subtotal 503,887 466,603 Unamortized debt issuance costs (2,929) Finance lease obligations 3,718 Total notes payable $ 504,676 The weighted average effective interest rate for our outstanding long-term debt was 5.5% at December 31, 2022.
Indebtedness (a) Long-Term Debt As of December 31, 2023, we had outstanding long-term debt of $503.9 million that matures as shown in the following table: 2023 ($ in thousands) Year of Maturity Carrying Amount Fair Value Financial liabilities Long-term debt 3.03% Borrowings from FHLBI 2026 60,000 57,932 7.25% Senior Notes 2034 49,926 53,047 6.70% Senior Notes 2035 99,565 104,039 5.375% Senior Notes 2049 294,523 288,787 Subtotal 504,014 503,805 Unamortized debt issuance costs (2,704) Finance lease obligations 2,636 Total notes payable $ 503,946 The weighted average effective interest rate for our outstanding long-term debt was 5.5% at December 31, 2023.
The liquidity characteristics of our portfolio are illustrated below: Asset Category Percentage of Invested Assets Highly-liquid assets 58 % Generally liquid assets, may become less liquid with market stress 1 33 Generally illiquid assets 2 9 Total 100 % 1 These exposures are concentrated within CMBS and CLO and other ABS. 2 These exposures include our alternative investments and other non-publicly traded securities.
In addition to this, we monitor our investment portfolio's liquidity profile to ensure it meets our operational liquidity needs. 74 Table of Contents The liquidity characteristics of our portfolio are illustrated below: Asset Category Percentage of Invested Assets Highly-liquid assets 59 % Generally liquid assets, may become less liquid with market stress 1 23 Generally illiquid assets 2 18 Total 100 % 1 These exposures are concentrated within CMBS and CLO and other ABS. 2 These exposures include our alternative investments and other non-publicly traded securities.
These investments are subject to the risks arising from the fact that their valuation is inherently subjective. The general partner of each of these partnerships usually reports the change in the value of the interests in the partnership on a one quarter lag because of the nature of the underlying assets or liabilities.
The general partner of each of these partnerships usually reports the change in the value of the interests in the partnership on a one quarter lag because of the nature of the underlying assets or liabilities.
This agreement replaced a prior credit agreement that the Parent terminated in conjunction with entering into the Line of Credit. For additional information regarding the Line of Credit agreement and corresponding representations, warranties, and covenants, refer to Note 11. “Indebtedness” in Item 8. “Financial Statements and Supplementary Data.” of this Form 10-K. 72 Table of Contents
For additional information regarding the Line of Credit agreement and corresponding representations, warranties, and covenants, refer to Note 11. "Indebtedness" in Item 8. "Financial Statements and Supplementary Data." of this Form 10-K. 75 Table of Contents
These are investments in private limited partnerships that invest in various strategies such as private equity, direct lending, mezzanine financing, distressed debt, infrastructure, and real estate. As of December 31, 2022, alternative investments represented 5% of our total invested assets and 15% of our stockholders’ equity.
These are investments in private limited partnerships that invest in various strategies such as private equity, private credit, and real assets. As of December 31, 2023, alternative investments represented 5% of our total invested assets and 13% of our stockholders’ equity. These investments are subject to risks arising from their valuation being inherently subjective.
Additionally, we purchase substantial reinsurance to mitigate exposure to significant loss events and we have access to various borrowing facilities if the need to raise capital were to arise. See the "Liquidity and Capital Resources" section in Item 7.
We also purchase substantial reinsurance to mitigate exposure to significant loss events and we have access to various borrowing facilities if the need to raise capital arises. See the "Liquidity and Capital Resources" section in Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Form 10-K for additional information regarding our available borrowing capacity.
We consider the overall credit environment, economic conditions, the investment's total projected return, and overall portfolio asset allocation in deciding to purchase or sell these securities. CLO and Other ABS Portfolio For CLO and other ABS, the primary risk is credit risk.
We consider the overall credit environment, economic conditions, the investment's total projected return, and overall portfolio asset allocation in deciding to purchase or sell these securities. Agency RMBS represented approximately 70% of our RMBS allocation and 12% of our total invested assets as of December 31, 2023.
Special revenue fixed income securities of municipalities (referred to as “special revenue bonds”) represented 10% of our total invested assets at December 31, 2022. These securities generally do not have the “full faith and credit” backing of the municipal or state governments, like general obligation bonds, but special revenue bonds have a dedicated revenue stream for repayment.
Special revenue bonds generally do not have the “full faith and credit” backing of the municipal or state governments like general obligation bonds. However, they have a dedicated revenue stream for repayment.
We manage this risk by evaluating a number of factors, including the deal's structure, the credit quality of underlying loans or assets, the composition of the underlying portfolio, and the portfolio manager's track record and capabilities. We monitor key performance metrics, including over-collateralization, interest coverage, and cash flows, on an on-going basis.
CLO and Other ABS Portfolio For CLO and other ABS, the primary risk is credit risk. We manage this risk by evaluating several factors, including the deal's structure, the credit quality of underlying loans or assets, the composition of the underlying portfolio, and the portfolio manager's track record and capabilities.
The following table presents the hypothetical increases and decreases in 10% increments in the market value of the equity portfolio as of December 31, 2022: Change in Equity Values in Percent ($ in thousands) (30)% (20)% (10)% 0% 10% 20% 30% Fair value of equity securities portfolio $ 113,400 129,600 145,800 162,000 178,200 194,400 210,600 Fair value change (48,600) (32,400) (16,200) 16,200 32,400 48,600 In addition to our equity securities, we invest in alternative investments that are also subject to price risk.
The following table presents the hypothetical increases and decreases in 10% increments in the market value of the equity portfolio as of December 31, 2023: Change in Equity Values in Percent ($ in thousands) (30)% (20)% (10)% 0% 10% 20% 30% Fair value of equity securities portfolio $ 131,008 149,724 168,439 187,155 205,871 224,586 243,302 Fair value change (56,147) (37,431) (18,716) 18,716 37,431 56,147 In addition to our equity securities, we invest in alternative investments that are subject to price risk.
The following table presents the sensitivity analysis of interest rate risk as of December 31, 2022: 2022 Interest Rate Shift in Basis Points ($ in thousands) -200 -100 — 100 200 Fixed income securities Fair value of fixed income securities portfolio $ 7,187,341 6,914,779 6,641,944 6,369,000 6,096,178 Fair value change 545,397 272,835 (272,944) (545,766) Fair value change from base (%) 8.2 % 4.1 % (4.1) % (8.2) % Credit Risk Our most significant credit risk is within our fixed income securities portfolio, which had an overall credit quality of “AA-” as of December 31, 2022, and “A+” as of December 31, 2021.
The following table presents the sensitivity analysis of interest rate risk as of December 31, 2023: 2023 Interest Rate Shift in Basis Points ($ in thousands) -200 -100 — 100 200 Fixed income securities Fair value of fixed income securities portfolio $ 8,107,686 7,814,361 7,521,120 7,226,181 6,931,379 Fair value change 586,566 293,241 (294,939) (589,741) Fair value change from base (%) 7.8 % 3.9 % (3.9) % (7.8) % Credit Risk Our most significant credit risk is within our fixed income securities portfolio, which had an overall credit quality of "AA-" as of December 31, 2023 and December 31, 2022.
We seek to mitigate our interest rate risk associated with holding fixed income investments by monitoring and managing the effective duration of our portfolio to maximize yield while managing interest rate risk at an acceptable level.
We seek to manage our interest rate risk associated with holding fixed income investments by maintaining an effective duration of our portfolio that balances maximizing yield and total return with our overall enterprise risk tolerance for potential interest rate changes.
Further breakdown of this exposure is provided in the table above that shows details on the credit quality of our invested assets. Agency RMBS represented approximately 70% of our RMBS allocation, and 9% of our total invested assets, as of December 31, 2022.
Further breakdown of this exposure is provided in the table above that shows details on the credit quality of our invested assets. To manage and mitigate exposure on our RMBS and CMBS portfolios, we perform analyses at the time of purchase and as part of the ongoing portfolio evaluation.
We consider the overall credit environment, economic conditions, the 70 Table of Contents investment's total projected return, and overall portfolio asset allocation when deciding to purchase or sell CLO and other ABS. Other ABS includes structured note obligations and securities collateralized by loans and other financial assets, including, without limitation, auto loans, credit card receivables, equipment leases, and student loans.
Other ABS includes structured note obligations and securities collateralized by loans and other financial assets, including, without limitation, auto loans, credit card receivables, equipment leases, and student loans.
These securities are rated “AAA" and had an unrealized loss of approximately $72.7 million, primarily due to an increase in benchmark U.S. Treasury rates, as of December 31, 2022. To manage and mitigate exposure on our RMBS and CMBS portfolios, we perform analyses both at the time of purchase and as part of the ongoing portfolio evaluation.
These securities are rated “AA+" and had an aggregate unrealized loss of approximately $61.6 million, primarily due to a decrease in benchmark U.S. Treasury rates as of December 31, 2023. 72 Table of Contents Our CMBS portfolio comprises most of our commercial real estate ("CRE") exposure.
As of December 31, 2022, approximately 11% (15% at December 31, 2021) of our fixed income securities portfolio was floating rate securities, primarily tied to the 90-day U.S. dollar-denominated London Interbank Offered Rate ("LIBOR"). Our strategy to manage interest rate risk is to purchase intermediate-term fixed income investments that are attractively priced in relation to perceived credit risks.
As of December 31, 2023, approximately 7% (11% at December 31, 2022) of our fixed income securities portfolio was floating rate securities, 68 Table of Contents primarily tied to the 90-day U.S. dollar-denominated Secured Overnight Financing Rate.
The sectors representing 10% or more of our invested assets at December 31, 2022 were (i) special revenue bonds within our state and municipal obligations portfolio (10%), (ii) the financial sector within corporate securities (15%), and (iii) collateralized loan obligations within our CLOs and other ABS portfolio (10%).
Amounts may not foot due to rounding. Every quarter, we review our invested assets for concentrations of credit risk. The sectors representing 10% or more of our invested assets at December 31, 2023 were (i) agency RMBS within our RMBS allocation (12%) and (ii) the financial sector within corporate securities (15%).
The tables below provide details on this portfolio at December 31, 2022 and 2021: December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) General obligation state & local $ 148.6 148.6 (5.8) AA+ Special revenue 772.8 772.8 (40.4) AA- Total state and municipal obligations $ 921.4 921.4 (46.2) AA- December 31, 2021 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) General obligation state & local $ 235.9 235.9 11.6 AA+ Special revenue 957.0 956.8 56.6 AA- Total state and municipal obligations $ 1,192.9 1,192.7 68.2 AA- The following table details the top 10 state exposures of this portfolio at December 31, 2022: State Exposures of Municipal Bonds General Obligation Special Revenue Fair Value Weighted Average Credit Quality ($ in thousands) State & Local % of Total California 35,541 68,934 104,475 11% A+ New York 5,730 84,090 89,820 10% AA- Texas 1 36,115 36,312 72,427 8% AA New Jersey — 60,662 60,662 7% A+ Colorado 1,142 38,127 39,269 4% AA- Pennsylvania — 37,699 37,699 4% AA- Ohio 2,090 31,155 33,245 4% AA- Massachusetts 5,315 26,131 31,446 3% AA Florida — 29,718 29,718 3% AA- Louisiana — 28,669 28,669 3% AA Other 42,615 274,131 316,746 34% AA- 128,548 715,628 844,176 92% AA- Pre-refunded/escrowed to maturity bonds 20,047 57,200 77,247 8% AAA Total $ 148,595 772,828 921,423 100% AA- % of Total Municipal Portfolio 16 % 84 % 100 % % of Total Investment Portfolio 2 % 10 % 12 % 1 Of the $36.1 million in state and local Texas general obligation bonds, $15.7 million represents investments in Texas Permanent School Fund bonds, which are considered to have lower risk as a result of the bond guarantee programs that support these bonds.
The tables below provide details on this portfolio at December 31, 2023, and 2022: December 31, 2023 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) General obligation state & local $ 68.7 68.7 (3.2) AA- Special revenue 517.3 517.3 (23.1) AA- Total state and municipal obligations $ 586.0 586.0 (26.3) AA- December 31, 2022 Fair Value Carry Value Net Unrealized/ Unrecognized Gain (Loss) Weighted Average Credit Quality ($ in millions) General obligation state & local $ 148.6 148.6 (5.8) AA+ Special revenue 772.8 772.8 (40.4) AA- Total state and municipal obligations $ 921.4 921.4 (46.2) AA- The following table details the top 10 state exposures of this portfolio at December 31, 2023: State Exposures of Municipal Bonds General Obligation State & Local Special Revenue Fair Value Weighted Average Credit Quality ($ in thousands) % of Total California $ 36,933 59,353 96,286 17% A+ New York 1,739 43,328 45,067 8% AA- Texas 7,109 37,009 44,118 8% AA- Colorado 1,142 35,247 36,389 6% AA- New Jersey — 31,329 31,329 5% A Pennsylvania — 25,056 25,056 4% A+ Florida — 24,767 24,767 4% AA- Louisiana — 22,627 22,627 4% AA+ Massachusetts 4,870 16,654 21,524 4% AA Oklahoma 3,738 15,624 19,362 3% AA+ Other 9,087 177,893 186,980 32% AA- 64,618 488,887 553,505 94% AA- Pre-refunded/escrowed to maturity bonds 4,036 28,424 32,460 6% AAA Total $ 68,654 517,311 585,965 100% AA- % of Total Municipal Portfolio 12 % 88 % 100 % % of Total Investment Portfolio 1 % 6 % 7 % Special revenue fixed income securities of municipalities (“special revenue bonds”) represented 6% of our total invested assets at December 31, 2023.
For more information on the upcoming transition away from LIBOR, refer to "Risks Related to our Investments Segment" in Item 1A. "Risk Factors." of this Form 10-K. Our exposure to interest rate risk relates primarily to the market price and cash flow variability associated with changes in interest rates.
Our strategy to manage interest rate risk is to purchase intermediate-term fixed income investments that are priced attractively in relation to perceived credit risks. Our exposure to interest rate risk relates primarily to the market price and cash flow variability associated with changes in interest rates.