Stock Ownership/AMBQ

AMBIQ MICRO INC (AMBQ): Ownership & Insider Activity

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

Reported Holders
19
13F filers
Aggregate Value
$325.4M
Across holders
Last Price
$56.73
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity17 increased2 reduced0 exited
Institutional Holders of AMBQ
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
SHAW D E & CO INC
CIK 0001009207
Hedge Fund984K$86.9M26.7%0.0%Added—Q2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund652K$57.6M17.7%0.0%Added+$54.3MQ2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund315K$27.9M8.6%0.1%Reduced$-30.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund289K$25.5M7.8%0.0%Added+$9.9MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager244K$21.6M6.6%0.0%Reduced$-3.1MQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund223K$19.7M6.1%0.1%Added—Q2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund215K$19.0M5.8%0.0%Added+$15.2MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund215K$18.9M5.8%0.1%Added+$17.9MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund122K$10.8M3.3%0.0%Added—Q2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund109K$9.7M3.0%0.0%Added—Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$86.9M· 26.7% of total· 0.0% port· 984K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$57.6M· 17.7% of total· 0.0% port· 652K sh· +$54.3M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$27.9M· 8.6% of total· 0.1% port· 315K sh· $-30.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$25.5M· 7.8% of total· 0.0% port· 289K sh· +$9.9M QoQ· Q2 2026
First Eagle Investment Management, LLCReduced
Institutional Manager
$21.6M· 6.6% of total· 0.0% port· 244K sh· $-3.1M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$19.7M· 6.1% of total· 0.1% port· 223K sh· — QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$19.0M· 5.8% of total· 0.0% port· 215K sh· +$15.2M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$18.9M· 5.8% of total· 0.1% port· 215K sh· +$17.9M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$10.8M· 3.3% of total· 0.0% port· 122K sh· — QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$9.7M· 3.0% of total· 0.0% port· 109K sh· — QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$6.8M· 2.1% of total· 0.0% port· 77K sh· — QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$5.7M· 1.7% of total· 0.0% port· 64K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$5.6M· 1.7% of total· 0.0% port· 63K sh· +$4.8M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$4.4M· 1.3% of total· 0.0% port· 50K sh· — QoQ· Q2 2026
ELEMENT CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$3.0M· 0.9% of total· 0.1% port· 34K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$1.1M· 0.3% of total· 0.0% port· 13K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$599K· 0.2% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$430K· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$217K· 0.1% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
1–10 of 19
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