KLA

KLAC · NASDAQ

$161.74−$4.66 (−2.80%)TodayMarket closed ·
Prev close $166.40

Who owns KLAC

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 37.7% of KLAC’s shares.

  • Vanguard Capital Management, LLC6.5%
  • BlackRock Institutional Trust Company, N.A.6.4%
  • State Street Investment Management (US)4.8%
  • Capital World Investors3.5%
  • Next 6 largest institutions16.5%
  • All other shareholders62.3%
Top institutional holders of KLAC
HolderShares% of shares
Vanguard Capital Management, LLC85.32M6.53%
BlackRock Institutional Trust Company, N.A.83.10M6.36%
State Street Investment Management (US)62.89M4.81%
Capital World Investors45.32M3.47%
Invesco Capital Management LLC43.11M3.30%
Fidelity Management & Research Company LLC40.11M3.07%
Vanguard Portfolio Management, LLC39.39M3.02%
Geode Capital Management, L.L.C.36.49M2.79%
Capital International Investors35.56M2.72%
PRIMECAP Management Company20.54M1.57%

Largest mutual fund holders

Top mutual fund holders of KLAC
HolderShares% of shares
Vanguard Total Stock Market Index Fund41.60M3.18%
Vanguard 500 Index Fund34.29M2.63%
Invesco QQQ Trust28.10M2.15%
American Funds Washington Mutual Investors Fund18.36M1.41%
Statens Pensjonsfond Utland17.56M1.34%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $96.54M (20 trades) of KLAC on the open market, with no buys.

Latest KLAC insider transactions
InsiderTypeSharesValue
WALLACE RICHARD PSale72.02K$12.38M
Lorig BrianSale59.59K$12.40M
Higgins Bren D.Sale31.50K$6.61M
Khan Ahmad A.Sale33.18K$6.60M
WALLACE RICHARD PSale87.57K$17.42M
Wilkinson Mary BethSale1.66K$339.77K
Kirloskar Virendra ASale529$108.21K
Lorig BrianTax withholding2.88K$555.70K
Wilkinson Mary BethSale21.83K$4.31M
Wilkinson Mary BethTax withholding1.21K$233.41K

Congressional trades

Disclosed by members of Congress over the last 12 months

KLAC trades disclosed by members of Congress
MemberTypeAmountTraded
Michael RulliHousePurchase$1K–$15KJul 1, 2026
Lizzie FletcherHouseSale$1K–$15KApr 8, 2026
Alan ArmstrongSenatorPurchase$1K–$15KMar 27, 2026

Short interest

Settled Sep 30, 2026

Shares short
24.26M
Days to cover
2.64
% of shares outstanding
1.86%
Average daily volume
9.19M
Change since last report
+3.0%

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