Wednesday, November 4, 2026Updated every morning at 5:30 AM ET
NanotechProgress

Amprius Technologies

Makes lithium-ion batteries with silicon nanowire anodes, used mostly in aviation.

Amprius annual report (10-K), 2025

Prices by TradingView, about 15 minutes delayed. Not investment advice.

Ticker
AMPX · NYSE
Based in
United States
Website
amprius.com ↗
Filings
SEC EDGAR ↗

How nano is it?

Pure play: nano is the business.

From the company's own filings or announcements, quoted word for word.

Pure play

Its silicon anodes are built from nanowires, more than a million per square centimeter.

“SiMaxx silicon anodes generally contain more than 1,000,000 nanowires per square centimeter.”Amprius annual report (10-K), 2025

On the record

Latest steps

The newest dated events on the technologies above.

  1. On saleCompany-reported

    Nanowire anodes

    Amprius reported shipping batteries to hundreds of customers during 2025, mostly for drones and other aircraft.

    Amprius annual report (10-K), 2025

Not investment advice. We describe what companies do and what their own filings say; we never say whether to buy or sell.