Amprius Technologies, Inc. (AMPX) Stock Analysis
Industrials · Electrical Equipment & Parts · NYSE
Amprius Technologies, Inc. (AMPX) posted $71.91M in revenue for fiscal 2025 (up 205.1% year over year), with a net loss of $44.02M, and has compounded revenue about 125.7%/yr over five years, per its SEC filings.
Data last refreshed August 2, 2026 from SEC filings · how we compute this
The analyst's take on Amprius Technologies, Inc.
Amprius Technologies, Inc. has grown revenue from $2.77M to $71.91M over the last 5 fiscal years, compounding about 125.7% a year. The most recent year was up 205.1%, so growth is actually accelerating.
Net margin sits at -61.2%, up 128.3 points year over year on a 11.5% gross margin.
The one thing worth a second look in the filings is receivables growing faster than sales.
Synthesised from Amprius Technologies, Inc.'s SEC filings — descriptive, not advice. Ask the analyst your own question →
Amprius Technologies, Inc. revenue & earnings — last 5 fiscal years
| Metric | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $2.77M | $4.18M | $8.79M | $23.57M | $71.91M |
| Gross profit | $-4.33M | $-5.88M | $-14.94M | $-18.33M | $8.26M |
| Net income | $-9.90M | $-17.33M | $-36.78M | $-44.67M | $-44.02M |
| Net margin | -357.0% | -414.4% | -418.3% | -189.5% | -61.2% |
Source: Amprius Technologies, Inc. SEC filings (10-K).
Amprius Technologies, Inc.: 3 potential red flags in the filings
Patterns in the filed statements worth a second look — computed and cited, not AI guesswork, and not a signal to sell. The kind of thing that hides in a 10-K.
- Receivables growing faster than salesAccounts receivable rose 325.4% while revenue rose 205.1% in the latest year — a gap that can signal looser credit terms or pulled-forward sales. Worth checking days-sales-outstanding.
- Share count rising (dilution)Shares outstanding grew 104.5% over 4 years (65.8M → 134.5M) — existing holders' stakes are being diluted.
- Currently unprofitableThe latest fiscal year was a net loss (net margin -61.2%).
Explore 5 years of Amprius Technologies, Inc. financials — interactive
Full income statement, balance sheet and cash flow with CAGR and trend on every row, 48 quarters, valuation ratios, plain-English health checks, and Ask — our SEC-grounded research assistant.
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Amprius Technologies, Inc. financial history by metric
Compare Amprius Technologies, Inc. with peers
About Amprius Technologies, Inc.
Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications. The company provides silicon anode lithium-ion batteries under the SiCore and SiMaxx product platforms. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was founded in 2008 and is headquartered in Fremont, California.
Amprius Technologies, Inc. — frequently asked questions
What is Amprius Technologies, Inc.'s revenue?
Amprius Technologies, Inc. (AMPX) reported revenue of $71.91M for fiscal year 2025, up 205.1% from the prior year, according to its SEC filings.
Is Amprius Technologies, Inc. profitable?
No — AMPX reported a net loss of $-44.02M in fiscal 2025.
What is AMPX's P/E ratio?
Amprius Technologies, Inc. trades at a price-to-earnings ratio of about 0.0 based on the latest data in our nightly-refreshed cache.
How fast is Amprius Technologies, Inc. growing?
AMPX's revenue grew at roughly 125.7% per year over the last five fiscal years (compound annual growth rate), computed from SEC-filed statements.
How much debt does Amprius Technologies, Inc. have?
As of fiscal year 2025, AMPX carried roughly $0 in total debt (short- plus long-term borrowings), per its filed balance sheet.
What is Amprius Technologies, Inc.'s gross margin?
AMPX's gross margin was 11.5% in fiscal 2025 — gross profit of $8.26M on revenue of $71.91M.
What is Amprius Technologies, Inc.'s market cap?
Amprius Technologies, Inc. (AMPX) has a market capitalization of about $2.35B, based on the latest data in our nightly-refreshed cache.
When does Amprius Technologies, Inc.'s fiscal year end?
AMPX's fiscal year ends in December. Its most recent annual filing covers the fiscal year ending 2025-12-31.
Where does this data come from?
All figures are computed from Amprius Technologies, Inc.'s official SEC filings (10-K and 10-Q), covering 5 years of history, refreshed nightly. stockportfolio.pro does not provide investment advice.