SuperworthAmprius Technologies market cap AMPX
Share price times shares outstanding: what the whole company sells for, since 2022.
- Today, Oct 23, 2026
- $1.2B
- Highest close in our data
- $2.9B
- May 2026
Amprius Technologies is worth $1.2B at the close on Oct 23, 2026, at $8.18 a share.
That is down 26% over the last year.
Its highest close in our data was $2.9B in May 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $1.2B | $1.1B | $2.9B | +11% |
| 2025 | $1.1B | $211.7M | $1.8B | +332% |
| 2024 | $249.8M | $79.1M | $442M | −47% |
| 2023 | $467.6M | $241.6M | $807.2M | −30% |
| 2022 | $669.8M | $218.5M | $912.3M | n/a |
Against its peers
Companies in Industrial - Machinery nearest Amprius Technologies' size, closest first, today.
| Company | Market cap |
|---|---|
| AMPXAmprius Technologies | $1.2B |
| TNCTennant | $1.1B |
| PSIXPower Solutions International | $1.1B |
| ENREnergizer | $1.5B |
| EPACEnerpac Tool | $1.8B |
| SPBSpectrum Brands | $1.8B |
| GHMGraham | $775.8M |
| LYTSLSI Industries | $755.3M |
| GRCGorman Rupp | $1.9B |
| HLIOHelios Technologies | $2.2B |
| KMTKennametal | $2.2B |
| Peer median | $1.7B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Amprius Technologies
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.