KLA CORP (KLAC) Stock Institutional Trading Activity


KLA CORP (KLAC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Jensen Investment Management, Renaissance Technologies LLC, Parnassus Endeavor Fund, Torray Fund, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2022Sequoia Financial AdvisorsBuy2251,149$367
Q2 2022TCI Fund ManagementBuy124,841155,441$49,598
Q2 2022Parnassus Endeavor FundSell-236,074266,079$84,900
Q1 2022Torray FundSell-14916,758$6,134
Q1 2022ARK InvestBuy491491$180
Q1 2022Sequoia Financial AdvisorsBuy229924$338
Q1 2022Parnassus Endeavor FundSell-58,381502,153$183,818
Q4 2021Torray FundSell-41016,907$7,272
Q4 2021Parnassus Endeavor FundSell-115,957560,534$241,091
Q4 2021Sequoia Financial AdvisorsSell-4,280695$299
Q3 2021Torray FundBuy20817,317$5,793
Q2 2021Torray FundBuy11,97917,109$5,547
Q2 2021Parnassus Endeavor FundSell-156,311676,491$219,325
Q1 2021Parnassus Endeavor FundSell-64,740832,802$275,158
Q1 2021TCI Fund ManagementBuy30,60030,600$10,110
Q1 2021Torray FundBuy5,1305,130$1,695
Q4 2020Parnassus Endeavor FundSell-12,888897,542$232,383
Q4 2020Renaissance Technologies LLCSell-37,500173,609$44,949
Q3 2020Renaissance Technologies LLCSell-599,666211,109$40,900
Q3 2020Parnassus Endeavor FundBuy87,700910,430$176,387
Q2 2020Parnassus Endeavor FundBuy84,584822,730$160,005
Q1 2020Parnassus Endeavor FundSell-766,869738,146$106,101
Q4 2019Sequoia Financial AdvisorsSell-1074,975$886
Q3 2019Sequoia Financial AdvisorsBuy9865,082$810
Q2 2019ARK InvestSell-2,1440$0
Q2 2019Sequoia Financial AdvisorsSell-5974,096$484
Q1 2019ARK InvestBuy2,1442,144$256
Q1 2019Sequoia Financial AdvisorsBuy4,6934,693$560
Q1 2019Renaissance Technologies LLCBuy421,285810,775$96,815
Q4 2018Hancock Classic ValueBuy1,6411,641$147

Frequently asked questions about KLAC activity

  • Which institutional owners are buying KLAC?

    Institutional owners buying KLAC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in KLAC activity?

    "Buy" means an investor increased their reported position in KLAC compared to the prior reporting period. This reflects growing exposure to KLA CORP (KLAC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in KLAC increasing?

    Institutional interest in KLAC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.