KLAC
KLA Corporation · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +13.3% ·
share flow -4.3% ·
net new positions +11.8%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 184 | +8 | 962.51M | $298.96B | +11 | −2 |
| Q1 2026 | 178 | +2 | 95.04M | $139.76B | +6 | −5 |
| Q4 2025 | 175 | +1 | 104.27M | $125.14B | +2 | — |
| Q3 2025 | 23 | 0 | 54.36M | $58.62B | +1 | −2 |
| Q2 2025 | 21 | +1 | 49.40M | $44.23B | +2 | −1 |
| Q1 2025 | 17 | 0 | 20.78M | $14.12B | +1 | −1 |
| Q4 2024 | 17 | -1 | 21.11M | $13.30B | — | −1 |
| Q3 2024 | 17 | +2 | 16.35M | $12.66B | +2 | — |
| Q2 2024 | 15 | — | 17.09M | $14.08B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | PRIMECAP Management ✦ | 5.30M | -3.9% | $4.11B | 3.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 3.22M | +3.0% | $2.49B | 0.2% | ▲ Add | 2 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 3.22M | +3.0% | $2.49B | 0.2% | ▲ Add | 2 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 2.52M | -8.9% | $1.95B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 2.52M | -8.9% | $1.95B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 6 | Norges Bank ✦ (passive) | 2.18M | +6.4% | $1.69B | 0.2% | ▲ Add | 2 | SEC ↗ |
| 7 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 8 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 9 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 10 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 11 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 12 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 13 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 14 | Wellington Management ✦ | 1.80M | -33.9% | $1.39B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 292.48K | +844.0% | $226.50M | 0.5% | ▲ Add | 2 | SEC ↗ |
| 16 | Bridgewater Associates ✦ | 201.48K | +99.5% | $156.03M | 0.9% | ▲ Add | 2 | SEC ↗ |
| 17 | Millennium Management ✦ | 196.08K | +20.5% | $151.84M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 187.62K | -9.0% | $145.30M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 187.62K | -9.0% | $145.30M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 187.62K | -9.0% | $145.30M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 187.62K | -9.0% | $145.30M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 22 | Arrowstreet Capital ✦ | 103.19K | +24.1% | $79.91M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 23 | Adage Capital Partners ✦ | 86.67K | -32.9% | $67.12M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 24 | D. E. Shaw & Co. ✦ | 78.46K | -13.6% | $60.76M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 78.46K | -13.6% | $60.76M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 26 | Fisher Asset Management ✦ | 68.39K | +8.1% | $52.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Renaissance Technologies ✦ | 55.91K | New | $43.30M | 0.1% | New | 1 | SEC ↗ |
| 28 | Citadel Advisors ✦ | 30.62K | +5.1% | $23.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Citadel Advisors ✦ | 30.62K | +5.1% | $23.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Marshall Wace ✦ | 27.03K | New | $20.93M | 0.0% | New | 1 | SEC ↗ |
| 31 | Gotham Asset Management ✦ | 9.01K | -30.4% | $6.98M | 0.1% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $43.30M | 0.1% |
| Marshall Wace | $20.93M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 7.00K shares, $10,306 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 59.59K sh · $12.40M
Officer · 31.50K sh · $6.61M
Officer · 87.57K sh · $17.42M
Officer · 33.18K sh · $6.60M
Officer · 1.66K sh · $339,774
Officer · 529 sh · $108,212
Officer · 2.40K sh · $475,156
Officer · 21.83K sh · $4.31M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology