Blackrock Inc.
Rank #1
9.66%
- Shares
- 126.20M
- Change %
- +0.19%
- Filing
- Jun 30, 2026
Increased

Holders
Top KLAC institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Ownership read
Blackrock Inc. is the largest institutional holder. 38 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
KLAC
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
126.20M
Blackrock Inc.
Insider stance
Net selling
$163.77M sold / $0.0000 bought
Latest filing
Aug 13, 2026
Most recent holder or insider filing date
Filings shown
106
30 holder / 76 insider
Top 30 institutional holders
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
Blackrock Inc.
Rank #1
9.66%
Increased
Vanguard Capital Management LLC
Rank #2
6.53%
Increased
State Street Corporation
Rank #3
4.81%
Increased
Capital World Investors
Rank #4
3.47%
Increased
Invesco Ltd.
Rank #5
3.43%
Increased
FMR, LLC
Rank #6
3.29%
Decreased
Vanguard Portfolio Management LLC
Rank #7
3.01%
Decreased
Geode Capital Management, LLC
Rank #8
2.79%
Decreased
Capital International Investors
Rank #9
2.72%
Increased
Primecap Management Company
Rank #10
1.57%
Decreased
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
Rank #11
3.17%
Decreased
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund
Rank #12
2.59%
Increased
Invesco QQQ Trust, Series 1
Rank #13
2.07%
Decreased
WASHINGTON MUTUAL INVESTORS FUND
Rank #14
1.41%
Increased
iShares Trust-iShares Core S&P 500 ETF
Rank #15
1.38%
Increased
Fidelity Concord Street Trust-Fidelity 500 Index Fund
Rank #16
1.29%
Increased
SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust
Rank #17
1.23%
Increased
Growth Fund of America
Rank #18
1.21%
Increased
VanEck ETF Trust-VanEck Semiconductor ETF
Rank #19
1.15%
Increased
VANGUARD INDEX FUNDS-Vanguard Growth Index Fund
Rank #20
1.06%
Decreased
| # | Institution | % held | Shares | Filing date |
|---|---|---|---|---|
| 1 | 9.66% | 126.20M | Jun 30, 2026 | |
| 2 | 6.53% | 85.32M | Jun 30, 2026 | |
| 3 | 4.81% | 62.89M | Jun 30, 2026 | |
| 4 | 3.47% | 45.32M | Jun 30, 2026 | |
| 5 | 3.43% | 44.85M | Jun 30, 2026 | |
| 6 | 3.29% | 43.01M | Jun 30, 2026 | |
| 7 | 3.01% | 39.39M | Jun 30, 2026 | |
| 8 | 2.79% | 36.49M | Jun 30, 2026 | |
| 9 | Capital International Investors | 2.72% | 35.56M | Jun 30, 2026 |
| 10 | Primecap Management Company | 1.57% | 20.54M | Jun 30, 2026 |
| 11 | 3.17% | 41.47M | Jun 30, 2026 | |
| 12 | 2.59% | 33.85M | Jun 30, 2026 | |
| 13 | 2.07% | 27.05M | Jul 31, 2026 | |
| 14 | WASHINGTON MUTUAL INVESTORS FUND | 1.41% | 18.36M | Jun 30, 2026 |
| 15 | iShares Trust-iShares Core S&P 500 ETF | 1.38% | 17.97M | Jun 30, 2026 |
| 16 | 1.29% | 16.89M | Jul 31, 2026 | |
| 17 | 1.23% | 16.07M | Jul 31, 2026 | |
| 18 | Growth Fund of America | 1.21% | 15.77M | Jun 30, 2026 |
| 19 | VanEck ETF Trust-VanEck Semiconductor ETF | 1.15% | 15.06M | Jul 31, 2026 |
| 20 | 1.06% | 13.86M | Jun 30, 2026 |
Recent insider transactions
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
LORIG BRIAN W.
Officer
Filed Aug 13, 2026
HIGGINS BREN D.
Chief Financial Officer
Filed Aug 12, 2026
KHAN AHMAD A
Officer
Filed Aug 11, 2026
WALLACE RICHARD P
Chief Executive Officer
Filed Aug 11, 2026
WILKINSON MARY BETH
Officer
Filed Aug 10, 2026
KIRLOSKAR VIRENDRA A
Officer
Filed Aug 10, 2026
WILKINSON MARY BETH
Officer
Filed Aug 7, 2026
KIRLOSKAR VIRENDRA A
Officer
Filed Aug 7, 2026
WALLACE RICHARD P
Chief Executive Officer
Filed Aug 6, 2026
HIGGINS BREN D.
Chief Financial Officer
Filed Aug 6, 2026
KIRLOSKAR VIRENDRA A
Officer
Filed Aug 6, 2026
KHAN AHMAD A
Officer
Filed Aug 6, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | LORIG BRIAN W. Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 59.59K | Aug 13, 2026 |
| 2 | HIGGINS BREN D. Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 31.50K | Aug 12, 2026 |
| 3 | KHAN AHMAD A Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 33.18K | Aug 11, 2026 |
| 4 | WALLACE RICHARD P Chief Executive Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 87.57K | Aug 11, 2026 |
| 5 | WILKINSON MARY BETH Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 1.66K | Aug 10, 2026 |
| 6 | KIRLOSKAR VIRENDRA A Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 529 | Aug 10, 2026 |
| 7 | WILKINSON MARY BETH Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 21.83K | Aug 7, 2026 |
| 8 | KIRLOSKAR VIRENDRA A Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 2.40K | Aug 7, 2026 |
| 9 | WALLACE RICHARD P Chief Executive Officer | 0.04% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 487.44K | Aug 6, 2026 |
| 10 | HIGGINS BREN D. Chief Financial Officer | 0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 174.31K | Aug 6, 2026 |
| 11 | KIRLOSKAR VIRENDRA A Officer | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 11.09K | Aug 6, 2026 |
| 12 | KHAN AHMAD A Officer | 0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 174.31K | Aug 6, 2026 |
Frequently asked
Blackrock Inc. is the largest reported institutional holder of KLAC, with 126.20 million shares, or about 9.66% of shares outstanding.
KLA Corp. has 30 institutional rows on file: 13 increased or initiated positions and 7 reduced them as of Aug 13, 2026.
TECHi shows 76 dated KLAC insider transactions through Aug 13, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
The displayed KLAC activity reads Net selling: 38 sales and 0 purchases. Other transaction types remain separate.
WALLACE RICHARD P has the largest absolute share movement in the displayed KLAC filing rows, totaling 692,776 shares. The action labels provide the transaction context.