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AMPX

Amprius Technologies, Inc.

NYSE · Industrials · Electrical Equipment & Parts · US

$7.74
−7.91%
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Price chart
Sep 17Sep 22Sep 25Sep 30Oct 5Oct 8Oct 13Oct 16
Key dataOct 16, 2026
Open
$8.21
From 52W high
−66.23%
Volume
3.46M
Market cap
$1.13B
P/E (Fwd)
260.3x
EV/EBITDA
−30.5x
P/E (TTM)
—
RSI (14)
31.0
1D Return
−7.91%
YTD Return
+1.84%
SummaryUpdated Jun 1, 2026

Amprius Technologies, Inc. (NYSE:AMPX) is a California-based battery manufacturer founded in 2008 that specializes in advanced lithium-ion batteries using proprietary silicon nanowire anode technology. The company went public in September 2022 and has positioned itself as a premium battery supplier primarily serving the aerospace, defense, and electric vehicle industries. Amprius operates manufacturing facilities in Fremont, California, and has been developing additional production capacity through contract manufacturing partnerships globally.

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