Ticker · CUSIP 482480100

KLAC

KLA CORP
Technology·Semiconductor Equipment & Materials
···Share
Holders (tracked)
23
Combined shares
7,241,078
Combined value
$5.52B
Last close
$1734.85
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
23202024Q12025Q4
Price is +127.8% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

26 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +16,000 shares · 2025Q4
    13F
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +121,320 shares · 2025Q4
    13F
  3. D.E. Shaw & Co. added2026-02-17
    +22,232 shares · 2025Q4
    13F
  4. AQR Capital Management added2026-02-17
    +7,047 shares · 2025Q4
    13F
  5. Two Sigma Investments trimmed2026-02-17
    −1,262 shares · 2025Q4
    13F
  6. Izzy Englander (Millennium Mgmt) added2026-02-17
    +11,376 shares · 2025Q4
    13F
  7. Steve Cohen (Point72) added2026-02-17
    +5,600 shares · 2025Q4
    13F
  8. T. Rowe Price added2026-02-17
    +1,185,829 shares · 2025Q4
    13F
  9. Wellington Management trimmed2026-02-17
    −36,367 shares · 2025Q4
    13F
  10. Jeremy Grantham (GMO) added2026-02-17
    +70,156 shares · 2025Q4
    13F
  11. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −34,373 shares · 2025Q4
    13F
  12. Renaissance Technologies trimmed2026-02-12
    −67,140 shares · 2025Q4
    13F
  13. Norges Bank (Norway SWF) opened position2026-02-10
    +2,457,794 shares · 2025Q4
    13F
  14. Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
    −2,047 shares · 2025Q4
    13F
  15. D.E. Shaw & Co. added2025-11-14
    +7,303 shares · 2025Q3
    13F
  16. AQR Capital Management added2025-11-14
    +7,209 shares · 2025Q3
    13F
  17. Izzy Englander (Millennium Mgmt) added2025-11-14
    +25,219 shares · 2025Q3
    13F
  18. Two Sigma Investments trimmed2025-11-14
    −16 shares · 2025Q3
    13F
  19. T. Rowe Price trimmed2025-11-14
    −262,407 shares · 2025Q3
    13F
  20. Wellington Management added2025-11-14
    +2,426 shares · 2025Q3
    13F
  21. Ray Dalio (Bridgewater Associates) added2025-11-13
    +87,719 shares · 2025Q3
    13F
  22. Renaissance Technologies opened position2025-11-13
    +82,809 shares · 2025Q3
    13F
  23. Jeremy Grantham (GMO) trimmed2025-11-13
    −126,452 shares · 2025Q3
    13F
  24. Norges Bank (Norway SWF) exited2025-11-13
    −1,784,622 shares · 2025Q3
    13F
  25. Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
    −1,673 shares · 2025Q3
    13F
  26. Norges Bank (Norway SWF) added2025-11-12
    +131,173 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for KLAC →
Follow-the-investor returns
If you'd copied each holder of KLAC…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$126.22+1274.4%$4.69B
Wellington Management2016Q3$256.15+577.3%$759.9M
Renaissance Technologies2016Q1$486.80+256.4%$27.2M
AQR Capital Management2016Q1$493.26+251.7%$253.9M
Jeremy Grantham (GMO)2016Q1$554.01+213.1%$882.6M
Ken Fisher (Fisher Asset Mgmt)2019Q3$735.51+135.9%$50.5M
Ray Dalio (Bridgewater Associates)2019Q4$995.92+74.2%$136.0M
D.E. Shaw & Co.2016Q1$1073.99+61.5%$39.9M
D.E. Shaw & Co.2016Q1$1073.99+61.5%$39.9M
Two Sigma Investments2016Q1$1077.52+61.0%$3.5M
Two Sigma Investments2016Q1$1077.52+61.0%$3.5M
Two Sigma Investments2016Q1$1077.52+61.0%$3.5M
Ken Griffin (Citadel Advisors)2016Q2$1142.62+51.8%$243.9M
Ken Griffin (Citadel Advisors)2016Q2$1142.62+51.8%$243.9M
Ken Griffin (Citadel Advisors)2016Q2$1142.62+51.8%$243.9M
Steve Cohen (Point72)2016Q4$1158.52+49.7%$10.1M
Steve Cohen (Point72)2016Q4$1158.52+49.7%$10.1M
Izzy Englander (Millennium Mgmt)2016Q1$1187.99+46.0%$166.7M
Izzy Englander (Millennium Mgmt)2016Q1$1187.99+46.0%$166.7M
Izzy Englander (Millennium Mgmt)2016Q1$1187.99+46.0%$166.7M
Paul Tudor Jones (Tudor Investment)2016Q1$1198.21+44.8%$27.8M
Paul Tudor Jones (Tudor Investment)2016Q1$1198.21+44.8%$27.8M
Norges Bank (Norway SWF)2016Q1$16940.49-89.8%$4.26B

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to7
Trimmed5
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
22
$537.13B
2022Q2
20
$501.29B
2022Q3
20
$476.0M
2022Q4
19
$6.20B
2023Q1
22
$6.76B
2023Q2
21
$8.55B
2023Q3
22
$6.78B
2023Q4
21
$8.79B
2024Q1
20
$12.61B
2024Q2
21
$15.08B
2024Q3
20
$4.81B
2024Q4
19
$2.70B
2025Q1
17
$2.16B
2025Q2
17
$3.02B
2025Q3
17
$1.93B
2025Q4
23
$5.52B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗
2025-07-28Valerie HoyleBuy$1K – $15KPDF ↗
2025-04-29Valerie HoyleSell$1K – $15KPDF ↗
2025-01-24William R. KeatingBuy$1K – $15KPDF ↗
2025-01-13Gilbert CisnerosSell (P)$1K – $15KPDF ↗
2024-10-29Valerie HoyleBuy$1K – $15KPDF ↗

Who owns KLAC

23 super-investors · 2025Q4
Tracked stake
7.24M
shares
Combined value
$5.52B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added13Trim7
#ManagerSharesValue
1Norges Bank
Norway SWF
2.46M$2.99B
2Jeremy Grantham
GMO
508.8K$618M
3Wellington Management438.0K$532M
4Ken Griffin
Citadel Advisors
267.7K$325M
5Ken Griffin
Citadel Advisors
161.6K$196M
6AQR Capital Management146.4K$178M
7Ken Griffin
Citadel Advisors
140.6K$171M
8Izzy Englander
Millennium Mgmt
96.1K$117M
9Ray Dalio
Bridgewater Associates
78.4K$95M
10Izzy Englander
Millennium Mgmt
70.6K$86M
11D.E. Shaw & Co.39.5K$48M
12Ken Fisher
Fisher Asset Mgmt
29.1K$35M
13Izzy Englander
Millennium Mgmt
27.8K$34M
14D.E. Shaw & Co.23.0K$28M
15Paul Tudor Jones
Tudor Investment
16.0K$19M
16Renaissance Technologies15.7K$19M
17Steve Cohen
Point72
5.8K$7M
18Two Sigma Investments5.2K$6M
19Steve Cohen
Point72
3.1K$4M
20T. Rowe Price2.70M$3M
21Two Sigma Investments2.0K$2M
22Two Sigma Investments1.6K$2M
23Paul Tudor Jones
Tudor Investment
1.4K$2M

Recent moves

20 transactions
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