Amprius Technologies, Inc. (AMPX) Stock

About Amprius Technologies, Inc.

Amprius Technologies, Inc. (AMPX) stock trades at $8.18 with a market capitalization of $1.19B. The stock is valued at a negative price-to-earnings (P/E) ratio of -33.26, reflecting a net loss over the last twelve months, price-to-book of 11.04, price-to-sales of 12.54. Over the past 52 weeks the stock has ranged between $7.58 and $24.23, and currently trades 66.2% below its 52-week high.

On profitability, Amprius Technologies, Inc. generates a return on equity (ROE) of -34.75% (negative, reflecting a net loss), return on capital employed of -14.23%, an operating margin of -64.38%, a net profit margin of -35.16%.

Amprius Technologies, Inc. by the numbers, 2020–2025

Between 2020 and 2025 Amprius Technologies, Inc. reported revenue of $5.0M rising to $73.0M, a change of +1360.0% across 6 years. Compounded, revenue has grown 71.0% a year over five years, 163.3% over three, 204.2% over the last twelve months. Net profit fell to $-44.0M.

Operating margin went from -159.2% in 2020 to -63.9% in 2025, a gain of 95.3 percentage points. The most recent net margin is -35.16%. On a trailing twelve-month basis to Jun '26, revenue is $109.0M and net profit $-38.0M.

Borrowings rose from $1.0M to $40.0M, cash from operations was $-31.0M in the latest year, positive in 0 of the last 6.

Return on equity has averaged -52.8% over five years, and was -42.3% in the most recent year.

The share price itself has compounded at —% a year over five years, —% over three, —% over the last year. Past price movement is history, not a forecast.

Figures are as reported and in the company's own reporting currency. They describe what has already happened and carry no implication about what follows.

Amprius Technologies, Inc. (AMPX) — frequently asked questions