KLA CORP KLAC
COM NEW · Common Stock · CUSIP 482480100 · ISIN US4824801009
Q1 2026 share counts are adjusted for a 10-for-1 stock split, so holders aren't shown as buying or selling because of it.
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.2bn this quarter). Holder counts are more reliable. Shares outstanding: 1.3bn as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $309.03. Options: 53 managers hold calls ($5.1bn notional), 55 hold puts ($7.7bn).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,059 |
| Q4 2022 | 1,129 |
| Q1 2023 | 1,164 |
| Q2 2023 | 1,227 |
| Q3 2023 | 1,281 |
| Q4 2023 | 1,400 |
| Q1 2024 | 1,467 |
| Q2 2024 | 1,535 |
| Q3 2024 | 1,548 |
| Q4 2024 | 1,552 |
| Q1 2025 | 1,567 |
| Q2 2025 | 1,665 |
| Q3 2025 | 1,735 |
| Q4 2025 | 1,910 |
| Q1 2026 | 2,077 |
| Q2 2026 | 2,482 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 710 | 693 |
| Q4 2024 | 675 | 742 |
| Q1 2025 | 765 | 676 |
| Q2 2025 | 777 | 751 |
| Q3 2025 | 819 | 716 |
| Q4 2025 | 788 | 821 |
| Q1 2026 | 915 | 928 |
| Q2 2026 | 1,258 | 1,067 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $1.4bn | $2.0bn | 1.43 |
| Q4 2025 | $1.3bn | $2.6bn | 1.94 |
| Q1 2026 | $1.6bn | $2.6bn | 1.65 |
| Q2 2026 | $5.1bn | $7.7bn | 1.52 |
Biggest buyers
| Capital International Investors | Added | +8.3m |
| Capital World Investors | Added | +4.5m |
| ALLIANCEBERNSTEIN L.P. | Added | +3.3m |
| CITADEL ADVISORS LLC | Added | +2.2m |
| GOLDMAN SACHS GROUP INC | Added | +1.9m |
| Assenagon Asset Management S.A. | Added | +1.8m |
| Rafferty Asset Management, LLC | Added | +1.7m |
| SG Americas Securities, LLC | Added | +1.7m |
| CANADA PENSION PLAN INVESTMENT BOARD | Added | +1.6m |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +1.6m |
Biggest sellers
| PRIMECAP MANAGEMENT CO/CA/ | Reduced | -3.8m |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | -3.2m |
| DekaBank Deutsche Girozentrale | Reduced | -2.9m |
| Pictet Asset Management Holding SA | Reduced | -2.4m |
| ALKEON CAPITAL MANAGEMENT LLC | Reduced | -2.0m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -1.7m |
| AMERIPRISE FINANCIAL INC | Reduced | -1.7m |
| Amundi | Reduced | -1.6m |
| Allianz Asset Management GmbH | Reduced | -1.5m |
| Value Aligned Research Advisors, LLC | Sold out | -1.4m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.1bn3.7m shares |
| JANE STREET GROUP, LLC | Added | $806.4m2.7m shares |
| CITADEL ADVISORS LLC | Added | $717.3m2.4m shares |
| IMC-Chicago, LLC | Added | $508.2m1.7m shares |
| BARCLAYS PLC | Added | $295.0m977.9k shares |
| SG Americas Securities, LLC | Added | $193.5m1.9m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $144.0m477.3k shares |
| ROYAL BANK OF CANADA | Added | $117.7m390.0k shares |
| Walleye Trading LLC | Added | $114.1m378.1k shares |
| UBS Group AG | Added | $112.0m371.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $2.3bn7.6m shares |
| CITADEL ADVISORS LLC | Added | $1.3bn4.4m shares |
| JANE STREET GROUP, LLC | Added | $964.0m3.2m shares |
| IMC-Chicago, LLC | Added | $728.6m2.4m shares |
| ALKEON CAPITAL MANAGEMENT LLC | Unchanged | $603.4m2.0m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $251.8m834.7k shares |
| Jain Global LLC | Added | $196.1m650.0k shares |
| GOLDMAN SACHS GROUP INC | Added | $137.8m456.7k shares |
| Walleye Trading LLC | Added | $121.6m403.1k shares |
| Capital Markets Trading UK LLP | Added | $90.8m301.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 1 | $9.5m | $9.5m |
| Q1 2025 | 0 | — | 1 | $5.1m | $5.1m |
| Q2 2025 | 0 | — | 3 | $9.3m | $9.3m |
| Q3 2025 | 0 | — | 6 | $39.9m | $39.9m |
| Q4 2025 | 0 | — | 2 | $15.8m | $15.8m |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 3 | $19.7m | $18.1m |
| Q3 2026 | 0 | — | 6 | $76.9m | $76.9m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-15 | WALLACE RICHARD P President and CEO | Sold plan | $12.4m72.0k shares |
| 2026-08-13 | Lorig Brian EVP, KLA Global Services | Sold plan | $12.4m59.6k shares |
| 2026-08-12 | Higgins Bren D. EVP & Chief Financial Officer | Sold plan | $6.6m31.5k shares |
| 2026-08-11 | WALLACE RICHARD P President and CEO | Sold plan | $17.4m87.6k shares |
| 2026-08-11 | Khan Ahmad A. President, Semi. Prod. & Cust. | Sold plan | $6.6m33.2k shares |
| 2026-08-10 | Wilkinson Mary Beth EVP, CLO and Secretary | Sold plan | $339.8k1.7k shares |
| 2026-08-10 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold plan | $108.2k529 shares |
| 2026-08-07 | Wilkinson Mary Beth EVP, CLO and Secretary | Sold plan | $4.3m21.8k shares |
| 2026-08-07 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold plan | $475.2k2.4k shares |
| 2026-08-05 | Wilkinson Mary Beth EVP, CLO and Secretary | Sold plan | $2.7m13.8k shares |
| 2026-08-05 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold plan | $880.5k4.5k shares |
| 2026-08-04 | Wilkinson Mary Beth EVP, CLO and Secretary | Sold plan | $822.9k4.3k shares |
| 2026-08-04 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold plan | $299.8k1.6k shares |
| 2026-07-02 | Higgins Bren D. EVP & Chief Financial Officer | Sold plan | $7.4m27.7k shares |
| 2026-07-02 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold plan | $52.1k196 shares |
| 2026-07-01 | Wilkinson Mary Beth EVP, CLO and Secretary | Sold plan | $4.1m14.4k shares |
| 2026-06-11 | WALLACE RICHARD P President and CEO | Sold plan | $10.0m4.5k shares |
| 2026-05-12 | WALLACE RICHARD P President and CEO | Sold plan | $8.1m4.5k shares |
| 2026-05-11 | Hanley Jeneanne Michelle Director | Sold | $1.0m550 shares |
| 2026-05-11 | Kirloskar Virendra A SVP & Chief Accounting Officer | Sold | $558.1k297 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.57% of their portfolio | 126.2m $38.1bn | Added +236.6k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.55% of their portfolio | 85.3m $25.7bn | Added +130.0k |
| STATE STREET CORP 0.56% of their portfolio | 62.9m $19.0bn | Added +1.4m |
| Capital World Investors 1.61% of their portfolio | 45.3m $13.7bn | Added +4.5m |
| Invesco Ltd. 1.07% of their portfolio | 44.8m $13.5bn | Added +721.1k |
| FMR LLC 0.56% of their portfolio | 43.0m $13.0bn | Reduced -1.0m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.54% of their portfolio | 39.4m $11.9bn | Reduced -901.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.59% of their portfolio | 36.5m $11.0bn | Reduced -240.8k |
| Capital International Investors 2.21% of their portfolio | 35.6m $10.7bn | Added +8.3m |
| PRIMECAP MANAGEMENT CO/CA/ 3.66% of their portfolio | 20.5m $6.2bn | Reduced -3.8m |
| GOLDMAN SACHS GROUP INC 0.63% of their portfolio | 20.1m $6.1bn | Added +1.9m |
| NORGES BANK 0.59% of their portfolio | 19.6m $5.9bn | Not comparable |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.53% of their portfolio | 17.6m $5.3bn | Added +771.5k |
| MORGAN STANLEY 0.27% of their portfolio | 17.1m $5.2bn | Reduced -616.7k |
| VAN ECK ASSOCIATES CORP 2.90% of their portfolio | 15.8m $4.8bn | Added +793.3k |
| NORTHERN TRUST CORP 0.54% of their portfolio | 15.3m $4.6bn | Reduced -374.0k |
| WELLINGTON MANAGEMENT GROUP LLP 0.77% of their portfolio | 14.8m $4.5bn | Added +416.9k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.42% of their portfolio | 14.7m $4.5bn | Reduced -1.7m |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 2.88% of their portfolio | 14.0m $4.2bn | Reduced -67.1k |
| BANK OF AMERICA CORP /DE/ 0.26% of their portfolio | 13.4m $4.0bn | Added +300.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.64% of their portfolio | 11.7m $3.5bn | Added +606.5k |
| Jupiter Topco LLC 1.37% of their portfolio | 11.2m $3.4bn | First filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.42% of their portfolio | 10.4m $3.1bn | Added +540.3k |
| Legal & General Group Plc 0.63% of their portfolio | 10.0m $3.0bn | Reduced -317.5k |
| Capital Research Global Investors 0.41% of their portfolio | 9.7m $2.9bn | Reduced -16.4k |
| Amundi 0.68% of their portfolio | 9.4m $2.8bn | Reduced -1.6m |
| Bank of New York Mellon Corp 0.41% of their portfolio | 8.4m $2.5bn | Reduced -523.4k |
| UHLMANN PRICE SECURITIES, LLC 88.42% of their portfolio | 7.9m $2.4bn | Added +54.8k |
| VANGUARD FIDUCIARY TRUST CO 0.50% of their portfolio | 7.5m $2.3bn | Reduced -57.3k |
| ALLIANCEBERNSTEIN L.P. 3.64% of their portfolio | 7.5m $11.0bn | Added +3.3m |
| AMERIPRISE FINANCIAL INC 0.44% of their portfolio | 7.2m $2.2bn | Reduced -1.7m |
| DIMENSIONAL FUND ADVISORS LP 0.38% of their portfolio | 7.0m $2.1bn | Reduced -153.3k |
| JPMORGAN CHASE & CO 0.10% of their portfolio | 6.2m $1.7bn | Reduced -116.5k |
| BARCLAYS PLC 0.57% of their portfolio | 6.0m $1.8bn | Added +485.8k |
| California Public Employees Retirement System 1.00% of their portfolio | 5.9m $1.8bn | Reduced -54.8k |
| Swedbank AB 1.43% of their portfolio | 5.5m $1.7bn | Reduced -868.1k |
| ROYAL BANK OF CANADA 0.28% of their portfolio | 5.5m $1.6bn | Added +183.4k |
| FRANKLIN RESOURCES INC 0.35% of their portfolio | 5.4m $1.6bn | Reduced -411.6k |
| UBS Group AG 0.26% of their portfolio | 5.4m $1.6bn | Reduced -153.8k |
| FIRST TRUST ADVISORS LP 0.95% of their portfolio | 5.3m $1.6bn | Reduced -317.5k |
| JENNISON ASSOCIATES LLC 0.88% of their portfolio | 4.9m $1.5bn | Added +1.0m |
| Pictet Asset Management Holding SA 1.40% of their portfolio | 4.9m $1.5bn | Reduced -2.4m |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.63% of their portfolio | 4.7m $1.4bn | Reduced -3.2m |
| CITIGROUP INC 0.65% of their portfolio | 4.6m $1.4bn | Added +751.5k |
| PARNASSUS INVESTMENTS, LLC 3.55% of their portfolio | 4.4m $1.3bn | Reduced -980.6k |
| Rafferty Asset Management, LLC 2.98% of their portfolio | 4.3m $1.3bn | Added +1.7m |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.90% of their portfolio | 4.2m $1.3bn | Reduced -75.4k |
| DEUTSCHE BANK AG\ 0.36% of their portfolio | 4.1m $1.2bn | Reduced -568.5k |
| Grantham, Mayo, Van Otterloo & Co. LLC 2.65% of their portfolio | 3.9m $1.2bn | Reduced -718.1k |
| HSBC HOLDINGS PLC 0.56% of their portfolio | 3.9m $1.2bn | Added +254.3k |
| VICTORY CAPITAL MANAGEMENT INC 0.66% of their portfolio | 3.9m $1.2bn | Added +67.2k |
| ALKEON CAPITAL MANAGEMENT LLC 4.37% of their portfolio | 3.8m $1.1bn | Reduced -2.0m |
| Nuveen, LLC 0.27% of their portfolio | 3.7m $1.1bn | Added +180.8k |
| Swiss National Bank 0.58% of their portfolio | 3.7m $1.1bn | Reduced -159.1k |
| National Pension Service 0.71% of their portfolio | 3.6m $1.1bn | Reduced -2.2k |
| WELLS FARGO & COMPANY/MN 0.18% of their portfolio | 3.5m $1.1bn | Added +67.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.56% of their portfolio | 3.3m $1.0bn | Added +212.4k |
| ACADIAN ASSET MANAGEMENT LLC 1.19% of their portfolio | 3.3m $1.0bn | Reduced -1.3m |
| Assenagon Asset Management S.A. 0.65% of their portfolio | 3.3m $998.7m | Added +1.8m |
| CANADA PENSION PLAN INVESTMENT BOARD 0.55% of their portfolio | 3.3m $985.5m | Added +1.6m |
| BNP PARIBAS FINANCIAL MARKETS 0.51% of their portfolio | 3.2m $976.0m | Added +301.5k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1.37% of their portfolio | 3.2m $958.5m | Added +1.1m |
| Sumitomo Mitsui Trust Group, Inc. 0.55% of their portfolio | 3.2m $954.6m | Added +5.4k |
| OAKTOP CAPITAL MANAGEMENT II, L.P. 39.20% of their portfolio | 3.1m $921.3m | Reduced -53.6k |
| BROWN BROTHERS HARRIMAN & CO 4.01% of their portfolio | 3.0m $914.7m | Reduced -467.4k |
| Polar Capital Holdings Plc 2.50% of their portfolio | 2.9m $882.7m | Added +212.5k |
| TD Asset Management Inc 0.76% of their portfolio | 2.9m $875.9m | Reduced -827.9k |
| NATIXIS ADVISORS, LLC 0.98% of their portfolio | 2.9m $874.0m | Added +1.0m |
| Vanguard Global Advisers, LLC 0.40% of their portfolio | 2.8m $853.2m | Reduced -50.2k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.81% of their portfolio | 2.7m $812.1m | Added +737.2k |
| Robeco Institutional Asset Management B.V. 0.99% of their portfolio | 2.7m $808.9m | Reduced -354.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.18% of their portfolio | 2.6m $779.9m | Reduced -101.0k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.52% of their portfolio | 2.6m $771.5m | Added +268.9k |
| CITADEL ADVISORS LLC 0.44% of their portfolio | 2.5m $766.7m | Added +2.2m |
| Impax Asset Management Group plc 4.87% of their portfolio | 2.5m $749.0m | Reduced -1.2m |
| RHUMBLINE ADVISERS 0.56% of their portfolio | 2.5m $739.7m | Reduced -58.4k |
| LAZARD ASSET MANAGEMENT LLC 1.11% of their portfolio | 2.4m $732.3m | Reduced -498.1k |
| TRUIST FINANCIAL CORP 0.82% of their portfolio | 2.3m $681.5m | Added +17.2k |
| PineStone Asset Management Inc. 4.04% of their portfolio | 2.2m $654.6m | Added +1.1m |
| Russell Investments Group, Ltd. 0.55% of their portfolio | 2.1m $628.2m | Added +834.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.48% of their portfolio | 2.0m $615.1m | Reduced -1.0m |
| AMERICAN CENTURY COMPANIES INC 0.27% of their portfolio | 2.0m $610.7m | Reduced -718.0k |
| BANK OF MONTREAL /CAN/ 0.22% of their portfolio | 2.0m $608.4m | Added +221.5k |
| RAYMOND JAMES FINANCIAL INC 0.16% of their portfolio | 2.0m $607.5m | Reduced -173.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.55% of their portfolio | 2.0m $599.1m | Reduced -22.9k |
| 1832 Asset Management L.P. 0.73% of their portfolio | 2.0m $595.2m | Reduced -11.7k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.52% of their portfolio | 2.0m $590.0m | Added +1.1m |
| SG Americas Securities, LLC 0.34% of their portfolio | 2.0m $588.7m | Added +1.7m |
| AQR CAPITAL MANAGEMENT LLC 0.20% of their portfolio | 1.9m $571.9m | Added +475.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.28% of their portfolio | 1.9m $564.5m | Reduced -93.6k |
| Mirae Asset Global Investments Co., Ltd. 1.05% of their portfolio | 1.8m $551.9m | Added +325.1k |
| BESSEMER GROUP INC 0.75% of their portfolio | 1.8m $545.0m | Added +3.7k |
| Fiera Capital Corp 1.96% of their portfolio | 1.8m $541.2m | Added +1.2m |
| Bank Julius Baer & Co. Ltd, Zurich 1.35% of their portfolio | 1.8m $520.4m | Added +457.4k |
| JONES FINANCIAL COMPANIES LLLP 0.17% of their portfolio | 1.7m $430.3m | Added +514.4k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 1.87% of their portfolio | 1.7m $521.1m | Added +1.6m |
| ProShare Advisors LLC 0.70% of their portfolio | 1.6m $484.1m | Reduced -458.3k |
| USS Investment Management Ltd 1.87% of their portfolio | 1.6m $474.4m | Added +206.3k |
| NOMURA ASSET MANAGEMENT CO LTD 1.01% of their portfolio | 1.6m $470.8m | Reduced -477.4k |
| NATIONAL BANK OF CANADA /FI/ 0.41% of their portfolio | 1.5m $464.4m | Added +126.6k |