KLA Corporation
KLA Corporation (KLAC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · KLAC · as of Sep 30, 2025
Ownership Breakdown
1,807
Institutional Holders
▲ 81 vs Q2
$124.64B
Total Inst. Value
▲ $19.40B vs Q2
130.63M
Shares Outstanding
freeFloat 99.86%
115.60M
13F Shares Held
▼ 2.00M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
KLAC largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC optical instruments & lenses | 13.84M | 10.48% | 10.48% | $14.93T | Nov 7, 2025 | ▲ 137.3K |
BLACKROCK, INC. optical instruments & lenses | 11.83M | 8.96% | 8.96% | $12.76T | Nov 12, 2025 | ▲ 26.1K |
STATE STREET CORP optical instruments & lenses | 6.19M | 4.69% | 4.69% | $6.68T | Nov 14, 2025 | ▲ 70.6K |
CAPITAL INTERNATIONAL INVESTORS optical instruments & lenses | 5.73M | 4.34% | 4.34% | $6.18T | Nov 13, 2025 | ▲ 7.9K |
CAPITAL WORLD INVESTORS optical instruments & lenses | 4.22M | 3.19% | 3.19% | $4.55T | Nov 13, 2025 | ▲ 263.6K |
PRIMECAP MANAGEMENT CO/CA/ optical instruments & lenses | 3.54M | 2.68% | 2.68% | $3.81T | Nov 12, 2025 | ▼ 945.1K |
GEODE CAPITAL MANAGEMENT, LLC optical instruments & lenses | 3.48M | 2.63% | 2.63% | $3.74T | Nov 12, 2025 | ▼ 555 |
FMR LLC optical instruments & lenses | 2.51M | 1.90% | 1.90% | $2.71T | Nov 13, 2025 | ▲ 1.36M |
GOLDMAN SACHS GROUP INC optical instruments & lenses | 1.96M | 1.49% | 1.49% | $2.12T | Nov 14, 2025 | ▼ 138.0K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ optical instruments & lenses | 1.88M | 1.42% | 1.42% | $2.03T | Oct 29, 2025 | ▼ 10.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+3.84M shares0
New Positions
first time holders22
Decreased
−3.43M shares0
Sold Out
fully exitedNet shares change (top 50)
+407.8K
+3.84M / −3.43M
Net new holders
+4
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
KLAC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
3
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
WALLACE RICHARD P President and CEO | May 12, 2026 | Sale | 4,512 | $1794.00 | $8.09M | 75.9K | Form 4 ↗ |
Kirloskar Virendra A SVP & Chief Accounting Officer | May 11, 2026 | Sale | 297 | $1879.02 | $558.1K | 2.0K | Form 4 ↗ |
Hanley Jeneanne Michelle director | May 11, 2026 | Sale | 550 | $1874.71 | $1.03M | 3.6K | Form 4 ↗ |
CALDERONI ROBERT director | Feb 5, 2026 | Award | 11.269 | — | — | 3.7K | Form 4 ↗ |
Higgins Bren D. EVP & Chief Financial Officer | Dec 16, 2025 | Sale | 2,254 | $1237.01 | $2.79M | 32.2K | Form 4 ↗ |
Khan Ahmad A. President, Semi. Prod. & Cust. | Nov 12, 2025 | Gift | 85 | — | — | 22.7K | Form 4 ↗ |
WALLACE RICHARD P President and CEO | Nov 11, 2025 | Sale | 10,803 | $1203.10 | $13.00M | 81.2K | Form 4 ↗ |
WALLACE RICHARD P President and CEO | Nov 11, 2025 | Gift | 804 | — | — | 80.4K | Form 4 ↗ |
Embree Tracy A director | Nov 5, 2025 | Award | 203.732 | — | — | 203.732 | Form 4 ↗ |
Conley Jason director | Nov 5, 2025 | Award | 203.732 | — | — | 203.732 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
KLA Corporation (KLAC) is primarily owned by institutional investors, who hold approximately 88.5% of total shares outstanding. Company insiders own approximately 0.14%, while retail and public investors account for the remaining 11.36%.
The largest institutional shareholder of KLA Corporation is VANGUARD GROUP INC, holding approximately 13.84 million shares — equal to 10.48% of outstanding shares — as of September 30, 2025.
A total of 1,807 institutional investors currently hold KLAC stock, with a combined institutional value of approximately $124.64 billion as of the most recent 13F filing period.
Frequently asked questions
KLAC ownershipKLA Corporation (KLAC) is primarily owned by institutional investors, who hold approximately 88.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.48% stake. Company insiders hold 0.14%. Data sourced from SEC Form 13F as of September 30, 2025.