VANGUARD GROUP INC
Rank #1
10.7%
- Shares
- 13.87M
- Change
- +30.11K
- Change %
- +22.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
KLA Corporation (KLAC) Institutional Ownership & Insider Trading History
Top KLAC institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Ownership read
KLAC insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 78 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
KLAC
Purchases—
Sales182.82K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
13.87M
VANGUARD GROUP INC
Insider stance
Net selling
$157.96M sold / — bought
Latest filing
May 12, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data feed
- Latest filing
- May 12, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 60
- 58 decreased in loaded rows
- Insider rows
- 120
- Market data feed
Top 120 institutional holders
KLA Corporation (KLAC) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where the ownership feed supplies them.
BLACKROCK
Rank #2
9.68%
- Shares
- 12.60M
- Change
- +208.88K
- Change %
- +1.69%
- Filing
- Mar 31, 2026
Increased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
6.54%
- Shares
- 8.52M
- Change
- +8.52M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #4
4.73%
- Shares
- 6.15M
- Change
- -65.79K
- Change %
- -1.06%
- Filing
- Mar 31, 2026
Decreased
FMR LLC
Rank #5
3.38%
- Shares
- 4.40M
- Change
- +1.86M
- Change %
- +73.00%
- Filing
- Mar 31, 2026
Increased
CAPITAL WORLD INVESTORS
Rank #6
3.14%
- Shares
- 4.08M
- Change
- +434.24K
- Change %
- +11.90%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #7
3.09%
- Shares
- 4.03M
- Change
- +4.03M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
GEODE CAPITAL MANAGEMENT
Rank #8
2.82%
- Shares
- 3.67M
- Change
- +162.52K
- Change %
- +4.63%
- Filing
- Mar 31, 2026
Increased
CAPITAL INTERNATIONAL INVESTORS
Rank #9
2.10%
- Shares
- 2.73M
- Change
- -2.72M
- Change %
- -49.95%
- Filing
- Mar 31, 2026
Decreased
NORGES BANK
Rank #10
1.89%
- Shares
- 2.46M
- Change
- +673.17K
- Change %
- +37.72%
- Filing
- Dec 31, 2025
Increased
PRIMECAP MANAGEMENT CO
Rank #11
1.87%
- Shares
- 2.44M
- Change
- -438.31K
- Change %
- -15.24%
- Filing
- Mar 31, 2026
Decreased
GOLDMAN SACHS GROUP INC
Rank #12
1.40%
- Shares
- 1.82M
- Change
- +401.74K
- Change %
- +28.37%
- Filing
- Mar 31, 2026
Increased
MORGAN STANLEY
Rank #13
1.36%
- Shares
- 1.77M
- Change
- +39.28K
- Change %
- +2.27%
- Filing
- Mar 31, 2026
Increased
PRICE T ROWE ASSOCIATES INC
Rank #14
1.29%
- Shares
- 1.68M
- Change
- -1.02M
- Change %
- -37.87%
- Filing
- Mar 31, 2026
Decreased
INVESCO LTD.
Rank #15
1.28%
- Shares
- 1.66M
- Change
- +75.19K
- Change %
- +4.74%
- Filing
- Mar 31, 2026
Increased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #16
1.26%
- Shares
- 1.64M
- Change
- -98.45K
- Change %
- -5.66%
- Filing
- Mar 31, 2026
Decreased
NORTHERN TRUST CORP
Rank #17
1.21%
- Shares
- 1.57M
- Change
- -30.43K
- Change %
- -1.90%
- Filing
- Mar 31, 2026
Decreased
VAN ECK ASSOCIATES CORP
Rank #18
1.15%
- Shares
- 1.50M
- Change
- -60.17K
- Change %
- -3.87%
- Filing
- Mar 31, 2026
Decreased
WELLINGTON MANAGEMENT GROUP LLP
Rank #19
1.11%
- Shares
- 1.44M
- Change
- +1.00M
- Change %
- +2.29%
- Filing
- Mar 31, 2026
Increased
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO
Rank #20
1.08%
- Shares
- 1.40M
- Change
- -16.54K
- Change %
- -1.17%
- Filing
- Mar 31, 2026
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.7% | 13.87M | +30.11K Increased | +22.00% | Dec 31, 2025 | |
| 2 | 9.68% | 12.60M | +208.88K Increased | +1.69% | Mar 31, 2026 | |
| 3 | 6.54% | 8.52M | +8.52M Initiated | — | Mar 31, 2026 | |
| 4 | 4.73% | 6.15M | -65.79K Decreased | -1.06% | Mar 31, 2026 | |
| 5 | 3.38% | 4.40M | +1.86M Increased | +73.00% | Mar 31, 2026 | |
| 6 | 3.14% | 4.08M | +434.24K Increased | +11.90% | Mar 31, 2026 | |
| 7 | 3.09% | 4.03M | +4.03M Initiated | — | Mar 31, 2026 | |
| 8 | 2.82% | 3.67M | +162.52K Increased | +4.63% | Mar 31, 2026 | |
| 9 | CAPITAL INTERNATIONAL INVESTORS | 2.10% | 2.73M | -2.72M Decreased | -49.95% | Mar 31, 2026 |
| 10 | 1.89% | 2.46M | +673.17K Increased | +37.72% | Dec 31, 2025 | |
| 11 | PRIMECAP MANAGEMENT CO | 1.87% | 2.44M | -438.31K Decreased | -15.24% | Mar 31, 2026 |
| 12 | 1.40% | 1.82M | +401.74K Increased | +28.37% | Mar 31, 2026 | |
| 13 | 1.36% | 1.77M | +39.28K Increased | +2.27% | Mar 31, 2026 | |
| 14 | 1.29% | 1.68M | -1.02M Decreased | -37.87% | Mar 31, 2026 | |
| 15 | 1.28% | 1.66M | +75.19K Increased | +4.74% | Mar 31, 2026 | |
| 16 | MASSACHUSETTS FINANCIAL SERVICES CO | 1.26% | 1.64M | -98.45K Decreased | -5.66% | Mar 31, 2026 |
| 17 | 1.21% | 1.57M | -30.43K Decreased | -1.90% | Mar 31, 2026 | |
| 18 | VAN ECK ASSOCIATES CORP | 1.15% | 1.50M | -60.17K Decreased | -3.87% | Mar 31, 2026 |
| 19 | 1.11% | 1.44M | +1.00M Increased | +2.29% | Mar 31, 2026 | |
| 20 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 1.08% | 1.40M | -16.54K Decreased | -1.17% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
KLA Corporation (KLAC) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
WALLACE, RICHARD P
President and CEO
- Shares
- 4.51K
- % company
- <0.01%
- Price
- $1,794
- Value
- $8,094,528
Filed May 12, 2026
HANLEY, JENEANNE MICHELLE
Director
- Shares
- 550
- % company
- <0.01%
- Price
- $1,875
- Value
- $1,031,088
Filed May 11, 2026
KIRLOSKAR, VIRENDRA A
SVP & Chief Accounting Officer
- Shares
- 297
- % company
- <0.01%
- Price
- $1,879
- Value
- $558,069
Filed May 11, 2026
CALDERONI, ROBERT
Director
- Shares
- 11
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
HIGGINS, BREN D.
EVP & Chief Financial Officer
- Shares
- 2.25K
- % company
- <0.01%
- Price
- $1,237
- Value
- $2,788,221
Filed Dec 16, 2025
KHAN, AHMAD A.
President, Semi. Prod. & Cust.
- Shares
- 85
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Nov 12, 2025
WALLACE, RICHARD P
President and CEO
- Shares
- 804
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed Nov 11, 2025
WALLACE, RICHARD P
President and CEO
- Shares
- 10.80K
- % company
- <0.01%
- Price
- $1,203
- Value
- $12,997,089
Filed Nov 11, 2025
CONLEY, JASON
Director
- Shares
- 204
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Nov 5, 2025
SAMATH, JAMIE
Director
- Shares
- 204
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Nov 5, 2025
HANLEY, JENEANNE MICHELLE
Director
- Shares
- 204
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Nov 5, 2025
KENNEDY, KEVIN
Director
- Shares
- 204
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Nov 5, 2025
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WALLACE, RICHARD P President and CEO | <0.01% | Sale to issuer | 4.51K | $1,794 | $8,094,528 | May 12, 2026 |
| 2 | HANLEY, JENEANNE MICHELLE Director | <0.01% | Sale to issuer | 550 | $1,875 | $1,031,088 | May 11, 2026 |
| 3 | KIRLOSKAR, VIRENDRA A SVP & Chief Accounting Officer | <0.01% | Sale to issuer | 297 | $1,879 | $558,069 | May 11, 2026 |
| 4 | CALDERONI, ROBERT Director | <0.01% | Award / grant | 11 | No cash value | No cash value | Feb 5, 2026 |
| 5 | HIGGINS, BREN D. EVP & Chief Financial Officer | <0.01% | Sale to issuer | 2.25K | $1,237 | $2,788,221 | Dec 16, 2025 |
| 6 | KHAN, AHMAD A. President, Semi. Prod. & Cust. | <0.01% | Sale to issuer | 85 | Not reported | Not reported | Nov 12, 2025 |
| 7 | WALLACE, RICHARD P President and CEO | <0.01% | Sale to issuer | 804 | Not reported | Not reported | Nov 11, 2025 |
| 8 | WALLACE, RICHARD P President and CEO | <0.01% | Sale to issuer | 10.80K | $1,203 | $12,997,089 | Nov 11, 2025 |
| 9 | CONLEY, JASON Director | <0.01% | Award / grant | 204 | No cash value | No cash value | Nov 5, 2025 |
| 10 | SAMATH, JAMIE Director | <0.01% | Award / grant | 204 | No cash value | No cash value | Nov 5, 2025 |
| 11 | HANLEY, JENEANNE MICHELLE Director | <0.01% | Award / grant | 204 | No cash value | No cash value | Nov 5, 2025 |
| 12 | KENNEDY, KEVIN Director | <0.01% | Award / grant | 204 | No cash value | No cash value | Nov 5, 2025 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest KLAC shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded KLAC ownership feed, with 13.87 million shares, or about 10.66% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of KLAC?
The current TECHi snapshot has 120 loaded institutional rows for KLA Corporation. 60 rows are marked increased or initiated, while 58 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see KLA Corporation insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for KLAC, with the latest insider filing dated May 12, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are KLAC insiders buying or selling?
The loaded KLAC Form 4 rows currently read Net selling: 78 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active KLAC insider in the loaded filings?
WALLACE, RICHARD P is the most active insider by absolute share movement in the loaded KLAC rows, with 143,416 shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.