Amprius Technologies, Inc. (AMPX) Stock

Amprius Technologies, Inc. (AMPX) is a Industrials stock trading at $16.20 (as of 2026-06-18), with a market capitalization of $3.08B and a trailing P/E of -52.2. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Amprius Technologies, Inc. manufactures and distributes lithium-ion batteries. Its products include silicon nanowire anode lithium-ion batteries. The company serves the aerospace, defense, and electric vehicle industries. Amprius Technologies, Inc. was incorporated in 2008 and is headquartered in Fremont, California.

Valuation — source: SEC EDGAR (first-party)
Price	$16.20
Market Cap	$3.08B
P/E Ratio	-52.2
EV / EBITDA	-56.4
Price / Book	20.93
Price / Sales	25.37
DCF Value (model)	$-3.74
DCF Upside vs Price	-123.1%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$73.01M
Net Margin	-60.3%
Return on Equity	-36.3%
Current Ratio	7.13
Revenue Growth (YoY)	202.1%
EPS Growth (YoY)	-22.2%
FCF Growth (YoY)	-2.8%

Financial Health — source: SEC EDGAR
Altman Z-Score	23.46 (safe)

Valuation vs Sector & Industry
Stock P/E	-52.2
Sector P/E (Industrials)	27.8
Industry P/E (Electrical Equipment)	33.0
vs Sector	-287.4%
vs Industry	-258.2%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	BlackRock, Inc. ($155.54M)
Institutional Holders Tracked	10

Company
Sector	Industrials
Industry	Electrical Equipment
CEO	Thomas Michael Stepien
Employees	99
Country	US
IPO Date	2022-09-15

Related Companies (Business model: Industrials / Capital Goods (Heavy Machinery + Diversified Industrials); 8 closest by market cap; US-domiciled)

Data as of 2026-06-18.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.