AMPX
Amprius Technologies, Inc.
NYSE · Industrials · Electrical Equipment & Parts · US
$8.13
−7.93%Price chart
Oct 6Oct 9Oct 14Oct 19Oct 22Oct 27Oct 30Nov 4
Key dataNov 4, 2026
Open$8.91
From 52W high−64.51%
Volume1.86M
Market cap$1.19B
P/E (TTM)—
P/S (TTM)10.9x
Div yield—
Key dataNov 4, 2026
Open
$8.91
From 52W high
−64.51%
Volume
1.86M
Market cap
$1.19B
ValuationView details →
P/E (Fwd)
482.7x
EV/EBITDA
−32.1x
P/E (TTM)
—
RSI (14)
49.1
MomentumView details →
1D Return
−7.93%
YTD Return
+10.77%
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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Latest newsMore news →
CAMINUS announced a contract manufacturing agreement with Amprius Technologies to produce Amprius-designed silicon-anode pouch cells at CAMINUS's Indianapolis facility.30d agoAmprius Technologies signed a fixed-price Other Transaction Agreement with the United States for Project acCELLerate to establish domestic high-energy density battery production, with milestone-based payments up to $74,793,173.11 and $22,300,000.00 initially obligated.37d agoAmprius received a grant of up to $75 million from Dow for battery production.37d ago