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Side-by-side financial comparison of FRANKLIN STREET PROPERTIES CORP (FSP) and Energy Vault Holdings, Inc. (NRGV). Click either name above to swap in a different company.

FRANKLIN STREET PROPERTIES CORP is the larger business by last-quarter revenue ($26.0M vs $21.9M, roughly 1.2× Energy Vault Holdings, Inc.). FRANKLIN STREET PROPERTIES CORP runs the higher net margin — -28.1% vs -148.5%, a 120.4% gap on every dollar of revenue. On growth, Energy Vault Holdings, Inc. posted the faster year-over-year revenue change (156.4% vs -8.2%). Over the past eight quarters, Energy Vault Holdings, Inc.'s revenue compounded faster (67.9% CAGR vs -8.7%).

Franklin Street Properties Corp is a Massachusetts-based real estate investment trust (REIT) in the United States. It primarily invests in, owns, and operates high-quality office properties across major U.S. metropolitan markets, serving corporate tenants across various industry segments, and delivers stable long-term returns via rental income and strategic asset management.

Energy Vault is a global energy storage company specializing in gravity and kinetic energy based, long-duration energy storage products. Energy Vault's primary product is a gravity battery to store energy by stacking heavy blocks made of composite material into a structure, capturing potential energy in the elevation gain of the blocks. When demand for electricity is high, these blocks are lowered with the motors functioning as generators and delivering electricity to the grid.

FSP vs NRGV — Head-to-Head

Bigger by revenue
FSP
FSP
1.2× larger
FSP
$26.0M
$21.9M
NRGV
Growing faster (revenue YoY)
NRGV
NRGV
+164.6% gap
NRGV
156.4%
-8.2%
FSP
Higher net margin
FSP
FSP
120.4% more per $
FSP
-28.1%
-148.5%
NRGV
Faster 2-yr revenue CAGR
NRGV
NRGV
Annualised
NRGV
67.9%
-8.7%
FSP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
FSP
FSP
NRGV
NRGV
Revenue
$26.0M
$21.9M
Net Profit
$-7.3M
$-32.5M
Gross Margin
59.4%
21.9%
Operating Margin
-27.9%
-32.5%
Net Margin
-28.1%
-148.5%
Revenue YoY
-8.2%
156.4%
Net Profit YoY
14.1%
-53.7%
EPS (diluted)
$-0.06
$-0.20

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FSP
FSP
NRGV
NRGV
Q1 26
$21.9M
Q4 25
$26.0M
Q3 25
$27.3M
$33.3M
Q2 25
$26.7M
$8.5M
Q1 25
$27.1M
$8.5M
Q4 24
$28.4M
$33.5M
Q3 24
$29.7M
$1.2M
Q2 24
$30.8M
$3.8M
Net Profit
FSP
FSP
NRGV
NRGV
Q1 26
$-32.5M
Q4 25
$-7.3M
Q3 25
$-8.3M
$-26.8M
Q2 25
$-7.9M
$-34.9M
Q1 25
$-21.4M
$-21.1M
Q4 24
$-8.5M
$-61.8M
Q3 24
$-15.6M
$-26.6M
Q2 24
$-21.0M
$-26.2M
Gross Margin
FSP
FSP
NRGV
NRGV
Q1 26
21.9%
Q4 25
59.4%
Q3 25
60.9%
27.0%
Q2 25
59.9%
29.6%
Q1 25
62.8%
57.1%
Q4 24
59.7%
7.7%
Q3 24
61.0%
40.3%
Q2 24
64.2%
27.8%
Operating Margin
FSP
FSP
NRGV
NRGV
Q1 26
-32.5%
Q4 25
-27.9%
Q3 25
-30.5%
-52.8%
Q2 25
-29.2%
-330.7%
Q1 25
-78.9%
-244.8%
Q4 24
-29.9%
-150.6%
Q3 24
-52.4%
-2258.1%
Q2 24
-68.0%
-739.7%
Net Margin
FSP
FSP
NRGV
NRGV
Q1 26
-148.5%
Q4 25
-28.1%
Q3 25
-30.5%
-80.5%
Q2 25
-29.5%
-410.3%
Q1 25
-79.1%
-247.7%
Q4 24
-30.0%
-184.7%
Q3 24
-52.6%
-2217.9%
Q2 24
-68.2%
-694.6%
EPS (diluted)
FSP
FSP
NRGV
NRGV
Q1 26
$-0.20
Q4 25
$-0.06
Q3 25
$-0.08
$-0.16
Q2 25
$-0.08
$-0.22
Q1 25
$-0.21
$-0.14
Q4 24
$-0.09
$-0.41
Q3 24
$-0.15
$-0.18
Q2 24
$-0.20
$-0.18

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FSP
FSP
NRGV
NRGV
Cash + ST InvestmentsLiquidity on hand
$30.6M
$55.2M
Total DebtLower is stronger
$160.6M
Stockholders' EquityBook value
$607.0M
$30.5M
Total Assets
$892.9M
$298.0M
Debt / EquityLower = less leverage
5.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSP
FSP
NRGV
NRGV
Q1 26
$55.2M
Q4 25
$30.6M
Q3 25
$31.4M
$32.7M
Q2 25
$29.4M
$22.3M
Q1 25
$30.2M
$21.2M
Q4 24
$41.1M
$30.0M
Q3 24
$40.9M
$51.1M
Q2 24
$30.2M
$106.8M
Total Debt
FSP
FSP
NRGV
NRGV
Q1 26
$160.6M
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Stockholders' Equity
FSP
FSP
NRGV
NRGV
Q1 26
$30.5M
Q4 25
$607.0M
Q3 25
$615.3M
$80.5M
Q2 25
$624.7M
$90.3M
Q1 25
$633.4M
$114.9M
Q4 24
$655.9M
$126.3M
Q3 24
$665.4M
$179.1M
Q2 24
$682.1M
$195.6M
Total Assets
FSP
FSP
NRGV
NRGV
Q1 26
$298.0M
Q4 25
$892.9M
Q3 25
$901.0M
$281.9M
Q2 25
$903.2M
$248.8M
Q1 25
$916.4M
$217.4M
Q4 24
$946.9M
$183.9M
Q3 24
$981.5M
$252.9M
Q2 24
$1.0B
$255.6M
Debt / Equity
FSP
FSP
NRGV
NRGV
Q1 26
5.27×
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FSP
FSP
NRGV
NRGV
Operating Cash FlowLast quarter
$3.8M
$-53.8M
Free Cash FlowOCF − Capex
$-12.7M
FCF MarginFCF / Revenue
-48.6%
Capex IntensityCapex / Revenue
63.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-25.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSP
FSP
NRGV
NRGV
Q1 26
$-53.8M
Q4 25
$3.8M
Q3 25
$8.3M
$-11.7M
Q2 25
$-2.9M
$15.4M
Q1 25
$-5.5M
$-2.7M
Q4 24
$9.0M
$-34.8M
Q3 24
$14.5M
$-9.2M
Q2 24
$-648.0K
$-12.8M
Free Cash Flow
FSP
FSP
NRGV
NRGV
Q1 26
Q4 25
$-12.7M
Q3 25
$3.0M
$-27.2M
Q2 25
$-5.7M
$6.9M
Q1 25
$-9.9M
$-9.5M
Q4 24
$-16.2M
$-45.4M
Q3 24
$8.6M
$-36.4M
Q2 24
$-5.1M
$-25.1M
FCF Margin
FSP
FSP
NRGV
NRGV
Q1 26
Q4 25
-48.6%
Q3 25
11.0%
-81.5%
Q2 25
-21.5%
81.6%
Q1 25
-36.7%
-111.5%
Q4 24
-57.2%
-135.5%
Q3 24
29.1%
-3039.9%
Q2 24
-16.7%
-665.1%
Capex Intensity
FSP
FSP
NRGV
NRGV
Q1 26
Q4 25
63.0%
Q3 25
19.4%
46.4%
Q2 25
10.7%
98.8%
Q1 25
16.4%
79.5%
Q4 24
88.9%
31.5%
Q3 24
19.6%
2273.1%
Q2 24
14.6%
325.8%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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