Amprius Technologies, Inc. (AMPX) stock
AMPXNYSEMiscellaneous Electrical Machinery, Equipment & SuppliesFiscal year ends December 31Also trades as AMPX.WT
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 12/3029% above fair value
$8.35−0.20 (-2.34%)
Close on Nov 12, 2026Market cap $1.22BP/E –Yield –
Amprius Technologies statistics
79 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- Mar 3, 2027 (estimated, after the close)
- Last ex-dividend date
- No dividends
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 12, 2026
Valuation ratiosIndustry
- P/TBV Ratio
- 9.78
- 3.54
Enterprise valuationIndustry
- EV / Sales
- 9.13
- 2.47
Share statisticsIndustry
- Shares Change (YoY)
- 17.3%
- 2.33%
- Shares Change (QoQ)
- 0.38%
- 0.21%
- Float
- 135M
- 50M
- Shares Held by Insiders
- 7.53%
- 5.32%
- Shares Held by Institutions
- 66.7%
- 62.6%
Short sellingIndustry
- Short Interest
- 22M
- –
- Short Interest Change
- -4.08%
- -0.71%
- Short % of Float
- 16.1%
- 6.67%
- Short % of Shares Outstanding
- 14.9%
- 5.09%
- Days to Cover
- 4.34
- 3.56
Stock price statisticsIndustry
- 52-Week High
- $24.23
- –
- 52-Week Low
- $7.02
- –
- 20-Day Moving Average
- $8.45
- –
- 50-Day Moving Average
- $9.04
- –
- 200-Day Moving Average
- $13.29
- –
- Average True Range (14)
- $0.78
- –
- Price Change (1 Week)
- 11.0%
- 8.85%
- Price Change (1 Month)
- 4.38%
- -9.08%
- Price Change (3 Months)
- -33.3%
- -25.1%
- Price Change (6 Months)
- -53.3%
- -34.8%
- Price Change (YTD)
- 5.83%
- 0.75%
- Price Change (1 Year)
- -35.4%
- -0.82%
- Price Change (3 Years)
- 158.5%
- 26.0%
- Average Volume (10 Days)
- 6M
- –
- Average Volume (20 Days)
- 6M
- –
- Average Volume (90 Days)
- 6M
- –
- Relative Volume
- 1.19
- 0.80
- Relative Strength Index (14)
- 46.5
- 44.2
- Volatility (1 Year)
- 97.0%
- 82.2%
- Beta (5 Years)
- 1.95
- 1.39
MarginsIndustry
- EBITDA Margin
- -29.7%
- 4.94%
- FCF Margin
- -48.7%
- 2.73%
Returns on capitalIndustry
- Return on Equity (ROE)
- -31.7%
- -0.17%
- Return on Assets (ROA)
- -22.5%
- -1.58%
- Return on Invested Capital (ROIC)
- -69.2%
- 1.66%
- Return on Capital Employed (ROCE)
- -31.5%
- 0.42%
Financial positionIndustry
- Current Ratio
- 4.21
- 2.38
- Quick Ratio
- 3.18
- 1.32
GrowthIndustry
- Revenue Growth (YoY)
- 117.3%
- 13.8%
- Revenue Growth (3Y CAGR)
- 154.9%
- 1.79%
EfficiencyIndustry
- Asset Turnover
- 0.79
- 0.66
- Inventory Turnover
- 9.28
- 3.04
- Revenue Per Employee
- $1.31M
- $373.11K
- Profits Per Employee
- -$372.06K
- -$6.97K
- Employee Count
- 97
- 534
- WACC
- 14.7%
- 11.4%
Income statement (TTM)Industry
Balance sheetIndustry
- Net Cash (Debt)
- $60.69M
- $7.36M
- Net Cash Per Share
- $0.42
- $0.30
- Equity (Book Value)
- $124.70M
- $200.69M
- Book Value Per Share
- $0.85
- $5.54
- Tangible Book Value
- $124.70M
- $63.99M
- Working Capital
- $107.78M
- $143.99M
Cash flow (TTM)Industry
- Capital Expenditures
- -$10.34M
- -$18.11M
- FCF Per Share
- -$0.42
- $0.21
Dividends and yieldsIndustry
- Earnings Yield
- -2.96%
- -0.27%
- FCF Yield
- -5.07%
- 0.82%
Taxes and interestIndustry
- Income Tax
- $0
- $3.09M
Scores and fair valueIndustry
- Altman Z-Score
- 17.32
- 2.80
- Piotroski F-Score
- 6
- 5
- Beneish M-Score
- -4.86
- -2.57
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | AMPX | S&P 500 | Difference | AMPX per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -5.9% | -2.7% | −3.2 pts | ||
| 3 months | -31.8% | -1.7% | −30.0 pts | ||
| Year to date | +5.8% | +11.9% | −6.1 pts | ||
| 1 year | -32.5% | +12.0% | −44.5 pts | ||
| 3 years | +160.1% | +78.2% | +81.9 pts | +37.5% | +21.2% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
22M AMPX shares were sold short on Oct 30, 2026, down 4.1% from the previous report, or 16.14% of the shares available to trade. At recent volumes it would take 4.3 days to buy them back. Over the last 20 sessions, 50.2% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 21,798,392 | -4.1% | 5,017,434 | 4.3 |
| Oct 15, 2026 | 22,724,816 | -0.4% | 5,961,116 | 3.8 |
| Sep 30, 2026 | 22,815,859 | +0.6% | 6,005,257 | 3.8 |
| Sep 15, 2026 | 22,685,478 | -2.0% | 4,464,521 | 5.1 |
| Aug 31, 2026 | 23,159,125 | +4.6% | 4,385,259 | 5.3 |
| Aug 14, 2026 | 22,146,891 | -7.4% | 7,163,836 | 3.1 |
| Jul 31, 2026 | 23,928,102 | -14.6% | 5,752,370 | 4.2 |
| Jul 15, 2026 | 28,034,609 | +6.6% | 6,644,710 | 4.2 |
| Jun 30, 2026 | 26,309,329 | +15.3% | 8,191,705 | 3.2 |
| Jun 15, 2026 | 22,816,138 | -11.0% | 7,285,767 | 3.1 |
| May 29, 2026 | 25,637,309 | +13.0% | 10,894,061 | 2.4 |
| May 15, 2026 | 22,692,523 | -2.3% | 10,110,297 | 2.2 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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