NYSE · AMPXIndustrialsElectrical Equipment

Amprius Technologies, Inc. (AMPX)

$7.52−11.22%
Close Nov 5, 2026 · split-adjusted
Nov 5, 2026$7.52▼ 42.33% in range
Nov 5, 2025Low $7.52 · High $22.91Nov 5, 2026
What changed · written from our data
As of Nov 5, 2026

Amprius Technologies closed at $7.52 on Nov 5, down 11.22%, within 0.0% of its 52-week closing low. Volume of 8.4M shares was 1.61× its 20-day average (above normal).

Split-adjusted performance: -19.4% over one month, -53.3% over six months, -37.9% over one year.

In the quarter ended Jun 30, 2026, revenue was $34.03M, up 125.9% from a year earlier, with a net margin of -14.9%.

Short interest was 22.7M shares at the Oct 15 settlement (18.3% of float, 3.8 days to cover).

Market cap$1.10B146.1M shares
Revenue · quarter$34.0M+125.9% YoY
Diluted EPS$-0.04—
P/E · TTM—P/S 10.1×
Net margin-14.9%Gross 27.3%
Dividend yieldNone
52-week range7.52 – 22.91−67.2% from high
Volume8.4M1.61× 20-day avg
Volatility · 60d63.6%Annualised
Short % of float18.3%3.8 days to cover
Net cash$74.5MCash $74.5M
Next earnings—Not scheduled
Split-adjusted performance
1W −17.7%1M −19.4%3M −36.5%6M −53.3%YTD −4.7%1Y −37.9%3Y +158.4%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Electrical Equipment

Percentile among 29 companies (100 = best)

6-month momentum41
Revenue growth92
Net margin73
Value (low P/E)—
Size79

Industry medians: 6-month return −43.9%, revenue growth +1.2%, net margin −41.9%, P/E 20.6×.

Short interest

Details →
Shares short22.7M−0.4% vs prior
Days to cover3.8Settled Oct 15
% of float18.3%
Short vol. 10d52.7%of daily volume

Closest peers by size in Electrical Equipment

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
AMPXAmprius Technologies$7.52−11.22%−53.3%+125.9%−14.9%—$1.10B
EMATEvolution Metals & Technologies$1.91+3.24%−79.5%—−728.0%—$1.20BCompare
FLNCFluence Energy$5.10−15.92%−73.1%+7.9%−5.0%—$729.4MCompare
ENREnergizer Holdings$24.47−2.86%+31.8%+1.2%5.4%20.6$1.68BCompare
EOSEEos Energy Enterprises$1.88−12.15%−70.4%+351.4%−590.7%—$684.6MCompare
SPBSpectrum Brands Holdings$89.07−2.73%+13.3%+7.7%−3.6%25.7$2.05BCompare
ENVXEnovix$2.40−13.98%−62.6%+20.8%−477.2%—$526.7MCompare
NRGVEnergy Vault Holdings$2.80−11.95%−32.5%+104.1%−178.6%—$509.2MCompare
QSQuantumScape$4.11−7.22%−44.1%———$2.54BCompare

Quick answers

What does Amprius Technologies do?
Amprius Technologies Inc is engaged in the production of silicon anodes for high-energy-density lithium-ion batteries. The company develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries.
What is AMPX's market cap?
$1.10B, based on the Nov 5 close of $7.52.
Does Amprius Technologies pay a dividend?
No regular cash dividend has been paid in the last year.
How much of AMPX is sold short?
22.7M shares, 18.3% of float, as of Oct 15, 2026.
What sector is AMPX in?
Industrials, in the Electrical Equipment industry.

About Amprius Technologies

Amprius Technologies Inc is engaged in the production of silicon anodes for high-energy-density lithium-ion batteries. The company develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. Its silicon anodes are a direct drop-in replacement of the graphite anode in traditional lithium-ion batteries, and its manufacturing processes leverage the manufacturing processes for conventional lithium-ion batteries and the related supply chain.

HQ: Fremont, CA109 employeesListed Sep 15, 2022amprius.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology