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Energy Vault Holdings vs Ultralife

Energy Vault Holdings and Ultralife are similar in size: $204m and $191m of revenue in their latest fiscal years. Energy Vault Holdings grew faster (340.9% against 16.2%). Ultralife kept more of each dollar of sales as profit: a net margin of -3.1% against -50.9%.

Latest fiscal yearEnergy Vault HoldingsNRGV, 2025UltralifeULBI, 2025
Revenue $204m $191m
Revenue growth 340.9% 16.2%
Net income −$104m −$5.9m
Operating margin -36.5% —
Net margin -50.9% -3.1%
Return on equity -107.0% -4.5%
Free cash flow −$46.7m $7.1m
Cash $58.3m $9.3m
Total debt $99.6m $49.7m
Debt to equity 147.6% —
Dividend per share — —
Dividend yield — —
Share buybacks — —
Employees 142 678
Market value $565m $260m
Price vs our value range — Above our value range
Moat score 17 (Weak) 42 (Weak)
Insider trades, 12 months 11 buys, 5 sales 17 buys, 0 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.