Stock Ownership/ALAB

ASTERA LABS INC (ALAB): Ownership & Insider Activity

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

Reported Holders
33
13F filers
Aggregate Value
$3.5B
Across holders
Last Price
$277.53
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity20 increased13 reduced2 exited
Full exits: CITADEL ADVISORS LLC, Parallax Volatility Advisers, L.P.
Institutional Holders of ALAB
↗
33 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Whale Rock Capital Management LLC
CIK 0001387322
Hedge Fund1.57M$757.3M21.5%6.1%Added—Q2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund1.28M$620.1M17.6%2.1%Reduced$-622.7MQ2 2026
MAVERICK CAPITAL LTD
CIK 0000934639
Hedge Fund1.07M$515.5M14.6%4.6%Added+$54.0MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund680K$328.6M9.3%0.2%Reduced$-405.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund604K$292.0M8.3%0.1%Added+$185.5MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund361K$174.4M5.0%0.2%Added+$143.4MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund317K$153.2M4.4%0.2%Added+$37.2MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund311K$150.4M4.3%0.1%Added+$133.5MQ2 2026
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager218K$105.5M3.0%0.1%Reduced$-1.7MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund153K$74.1M2.1%0.1%Added+$11.6MQ2 2026
Whale Rock Capital Management LLCAdded
Hedge Fund
$757.3M· 21.5% of total· 6.1% port· 1.57M sh· — QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$620.1M· 17.6% of total· 2.1% port· 1.28M sh· $-622.7M QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$515.5M· 14.6% of total· 4.6% port· 1.07M sh· +$54.0M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$328.6M· 9.3% of total· 0.2% port· 680K sh· $-405.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$292.0M· 8.3% of total· 0.1% port· 604K sh· +$185.5M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$174.4M· 5.0% of total· 0.2% port· 361K sh· +$143.4M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$153.2M· 4.4% of total· 0.2% port· 317K sh· +$37.2M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$150.4M· 4.3% of total· 0.1% port· 311K sh· +$133.5M QoQ· Q2 2026
BAILLIE GIFFORD & COReduced
Institutional Manager
$105.5M· 3.0% of total· 0.1% port· 218K sh· $-1.7M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$74.1M· 2.1% of total· 0.1% port· 153K sh· +$11.6M QoQ· Q2 2026
LIGHT STREET CAPITAL MANAGEMENT, LLCAdded
Hedge Fund
$60.7M· 1.7% of total· 6.7% port· 126K sh· — QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$46.0M· 1.3% of total· 0.1% port· 95K sh· +$45.5M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$42.9M· 1.2% of total· 0.1% port· 89K sh· $-176.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$32.4M· 0.9% of total· 0.0% port· 67K sh· $-137.7M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$23.2M· 0.7% of total· 0.0% port· 48K sh· $-39.8M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$22.0M· 0.6% of total· 0.1% port· 46K sh· $-28.8M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$19.8M· 0.6% of total· 0.0% port· 41K sh· $-116.4M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$17.1M· 0.5% of total· 0.0% port· 35K sh· $-17.1M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$16.0M· 0.5% of total· 0.1% port· 33K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$15.9M· 0.5% of total· 0.1% port· 33K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$13.8M· 0.4% of total· 0.0% port· 28K sh· +$7.0M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$13.3M· 0.4% of total· 0.0% port· 27K sh· $-12.6M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$6.5M· 0.2% of total· 0.0% port· 14K sh· $-19.3M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$4.3M· 0.1% of total· 0.0% port· 9K sh· $-9.9M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$4.2M· 0.1% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$3.5M· 0.1% of total· 0.0% port· 7K sh· — QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$2.4M· 0.1% of total· 0.0% port· 5K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$1.7M· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Lighthouse Investment Partners, LLCAdded
Hedge Fund
$1.2M· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$1.1M· 0.0% of total· 0.0% port· 2K sh· +$19K QoQ· Q2 2026
Woodline Partners LPReduced
Hedge Fund
$693K· 0.0% of total· 0.0% port· 1K sh· $-9.9M QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$479K· 0.0% of total· 0.0% port· 992 sh· $-362.2M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$165K· 0.0% of total· 0.0% port· 361 sh· — QoQ· Q2 2026
1–10 of 33
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