Stock Ownership/AMPX

AMPRIUS TECHNOLOGIES INC (AMPX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AMPX · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
20
13F filers
Aggregate Value
$210.8M
Across holders
Last Price
$9.86
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity15 increased5 reduced5 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, Verition Fund Management LLC, Schonfeld Strategic Advisors LLC, Gotham Asset Management, LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of AMPX
↗
20 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund4.32M$59.9M28.4%0.0%Added+$11.3MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund2.13M$29.6M14.0%0.1%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.68M$23.2M11.0%0.0%Added$-16.8MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund1.41M$19.5M9.3%0.0%Added+$14.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund1.21M$16.7M7.9%0.0%Added+$2.4MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund1.14M$15.8M7.5%0.0%Added+$12.5MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.14M$15.7M7.5%0.0%Reduced$-1.3MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund747K$10.4M4.9%0.0%Added+$9.9MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund672K$9.3M4.4%0.0%Reduced+$8.6MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund179K$2.5M1.2%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$59.9M· 28.4% of total· 0.0% port· 4.32M sh· +$11.3M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$29.6M· 14.0% of total· 0.1% port· 2.13M sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$23.2M· 11.0% of total· 0.0% port· 1.68M sh· $-16.8M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$19.5M· 9.3% of total· 0.0% port· 1.41M sh· +$14.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$16.7M· 7.9% of total· 0.0% port· 1.21M sh· +$2.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$15.8M· 7.5% of total· 0.0% port· 1.14M sh· +$12.5M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$15.7M· 7.5% of total· 0.0% port· 1.14M sh· $-1.3M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$10.4M· 4.9% of total· 0.0% port· 747K sh· +$9.9M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$9.3M· 4.4% of total· 0.0% port· 672K sh· +$8.6M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$2.5M· 1.2% of total· 0.0% port· 179K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$2.4M· 1.1% of total· 0.0% port· 173K sh· +$2.4M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.8M· 0.9% of total· 0.0% port· 131K sh· $-2.5M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$966K· 0.5% of total· 0.0% port· 70K sh· $-4.4M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$959K· 0.5% of total· 0.0% port· 69K sh· $-1.5M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$744K· 0.4% of total· 0.0% port· 54K sh· — QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$449K· 0.2% of total· 0.0% port· 32K sh· — QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$377K· 0.2% of total· 0.0% port· 27K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$374K· 0.2% of total· 0.0% port· 27K sh· $-60K QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$60K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$46K· 0.0% of total· 0.0% port· 3K sh· +$45K QoQ· Q2 2026
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