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Amprius Technologies vs Energy Vault Holdings: AMPX and NRGV compared
Amprius Technologies is the larger company: $34.0M of revenue in its latest quarter (Q2 2026) against $17.4M for Energy Vault Holdings (Q2 2026). Amprius Technologies is growing faster (+126% against +104% a year earlier). Amprius Technologies is more profitable, with an operating margin of -12.6% against -142.0%.
Where the money goes: AMPX and NRGV
Amprius Technologies (AMPX) · Q2 2026
Amprius Technologies, Q2 2026: revenue $34.0M (+126% year over year), operating margin -12.6%, net loss $3.2M, operating cash flow −$2.9M. The chart follows the revenue to costs, profit and cash.
Energy Vault Holdings (NRGV) · Q2 2026
Energy Vault Holdings, Q2 2026: revenue $17.4M (+104% year over year), operating margin -142.0%, net loss $29.7M, operating cash flow −$30.6M. The chart follows the revenue to costs, profit and cash.
| Amprius Technologies (AMPX) | Energy Vault Holdings (NRGV) | |
|---|---|---|
| Latest quarter | Q2 2026 | Q2 2026 |
| Revenue | $34.0M | $17.4M |
| Revenue growth, Y/Y | +126% | +104% |
| Operating margin | -12.6% | -142.0% |
| Net earnings | −$3.2M | −$29.7M |
| Net margin | -9.3% | -170.9% |
| Operating cash flow | −$2.9M | −$30.6M |
Questions
Which is bigger, Amprius Technologies or Energy Vault Holdings?
Amprius Technologies is the larger company: $34.0M of revenue in its latest quarter (Q2 2026) against $17.4M for Energy Vault Holdings (Q2 2026).
Is Amprius Technologies or Energy Vault Holdings growing faster?
Amprius Technologies is growing faster (+126% against +104% a year earlier).
Which is more profitable, Amprius Technologies or Energy Vault Holdings?
Amprius Technologies is more profitable, with an operating margin of -12.6% against -142.0%.
More: Amprius Technologies earnings · how Amprius Technologies makes money · Energy Vault Holdings earnings · how Energy Vault Holdings makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Aug 6, 2026; 10-Q filed Aug 11, 2026). Fiscal quarters can end on different dates. Not investment advice.