Stock Ownership/KLAC

KLA CORP (KLAC): Ownership & Insider Activity

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

Reported Holders
39
13F filers
Aggregate Value
$13.0B
Across holders
Last Price
$181.57
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity37 increased2 reduced3 exited
Full exits: Point72 Asset Management, L.P., Schonfeld Strategic Advisors LLC, Third Point LLC
Institutional Holders of KLAC
↗
39 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
PRIMECAP MANAGEMENT CO/CA/
CIK 0000763212
Institutional Manager20.54M$6.2B47.7%3.7%Added+$5.5BQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund4.71M$1.4B10.9%0.6%Added+$1.2BQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager3.89M$1.2B9.0%2.6%Added+$1.0BQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund2.54M$766.7M5.9%0.1%Added+$685.4MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund1.95M$571.9M4.4%0.2%Added+$570.6MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund1.06M$320.5M2.5%0.4%Added+$320.0MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund1.03M$310.8M2.4%0.7%Added—Q2 2026
BAILLIE GIFFORD & CO
CIK 0001088875
Institutional Manager947K$285.6M2.2%0.3%Added—Q2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund934K$281.8M2.2%1.9%Added+$248.6MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund917K$276.8M2.1%0.4%Added+$274.1MQ2 2026
PRIMECAP MANAGEMENT CO/CA/Added
Institutional Manager
$6.2B· 47.7% of total· 3.7% port· 20.54M sh· +$5.5B QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.4B· 10.9% of total· 0.6% port· 4.71M sh· +$1.2B QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$1.2B· 9.0% of total· 2.6% port· 3.89M sh· +$1.0B QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$766.7M· 5.9% of total· 0.1% port· 2.54M sh· +$685.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$571.9M· 4.4% of total· 0.2% port· 1.95M sh· +$570.6M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$320.5M· 2.5% of total· 0.4% port· 1.06M sh· +$320.0M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$310.8M· 2.4% of total· 0.7% port· 1.03M sh· — QoQ· Q2 2026
BAILLIE GIFFORD & COAdded
Institutional Manager
$285.6M· 2.2% of total· 0.3% port· 947K sh· — QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$281.8M· 2.2% of total· 1.9% port· 934K sh· +$248.6M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$276.8M· 2.1% of total· 0.4% port· 917K sh· +$274.1M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$276.0M· 2.1% of total· 0.4% port· 915K sh· +$247.4M QoQ· Q2 2026
Altimeter Capital Management, LLCAdded
Hedge Fund
$174.5M· 1.3% of total· 1.8% port· 578K sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$141.4M· 1.1% of total· 0.5% port· 469K sh· +$140.5M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$115.9M· 0.9% of total· 0.2% port· 384K sh· +$67.3M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$99.0M· 0.8% of total· 0.4% port· 328K sh· +$66.2M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$98.7M· 0.8% of total· 0.0% port· 327K sh· +$89.5M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$95.8M· 0.7% of total· 0.3% port· 318K sh· +$86.1M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$88.6M· 0.7% of total· 0.2% port· 294K sh· +$79.2M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$87.9M· 0.7% of total· 0.1% port· 291K sh· +$5.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$53.7M· 0.4% of total· 0.0% port· 178K sh· +$45.1M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$39.8M· 0.3% of total· 0.3% port· 37K sh· $-13.6M QoQ· Q3 2025
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$26.1M· 0.2% of total· 0.0% port· 87K sh· +$24.9M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$24.2M· 0.2% of total· 0.0% port· 80K sh· +$17.8M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$22.5M· 0.2% of total· 0.1% port· 75K sh· +$21.0M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$10.7M· 0.1% of total· 0.0% port· 36K sh· +$7.1M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$8.7M· 0.1% of total· 0.0% port· 29K sh· +$7.0M QoQ· Q2 2026
Sculptor Capital LPAdded
Hedge Fund
$7.5M· 0.1% of total· 0.1% port· 25K sh· — QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$7.4M· 0.1% of total· 0.4% port· 41K sh· +$6.7M QoQ· Q2 2026
Rokos Capital Management LLPAdded
Hedge Fund
$3.7M· 0.0% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$3.0M· 0.0% of total· 0.0% port· 10K sh· +$2.8M QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$2.6M· 0.0% of total· 0.3% port· 9K sh· +$2.4M QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$1.7M· 0.0% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$1.4M· 0.0% of total· 0.0% port· 5K sh· +$1.2M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$1.0M· 0.0% of total· 0.0% port· 3K sh· $-7.0M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$965K· 0.0% of total· 0.0% port· 3K sh· +$707K QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$585K· 0.0% of total· 0.0% port· 2K sh· +$374K QoQ· Q2 2026
Eisler Capital (UK) Ltd.Added
Hedge Fund
$481K· 0.0% of total· 0.0% port· 621 sh· $-2.1M QoQ· Q3 2024
Ancora Advisors, LLCAdded
Hedge Fund
$248K· 0.0% of total· 0.0% port· 823 sh· +$217K QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$27K· 0.0% of total· 0.0% port· 91 sh· $-1.6M QoQ· Q2 2026
1–10 of 39
1 / 4
Loading recent insider activity…
← Stock ownership