Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in KLAC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 12.6M | $18.55B | +1.7% | 9.587% | 0.33% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 8.5M | $12.54B | — | 6.484% | 0.31% |
| 3 | STATE STREET CORP | 6.2M | $9.06B | -1.1% | 4.683% | 0.31% |
| 4 | FMR LLC | 4.4M | $6.48B | +73.0% | 3.350% | 0.35% |
| 5 | Capital World Investors | 4.1M | $6.01B | +11.9% | 3.108% | 0.82% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.0M | $5.93B | — | 3.066% | 0.31% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 3.7M | $5.40B | +4.6% | 2.795% | 0.34% |
| 8 | Capital International Investors | 2.7M | $4.01B | -50.0% | 2.076% | 0.94% |
| 9 | PRIMECAP MANAGEMENT CO/CA/ | 2.4M | $3.59B | -15.2% | 1.855% | 2.83% |
| 10 | GOLDMAN SACHS GROUP INC | 1.9M | $2.73B | +24.3% | 1.412% | 0.31% |
| 11 | MORGAN STANLEY | 1.8M | $2.61B | +2.3% | 1.349% | 0.16% |
| 12 | Invesco Ltd. | 1.7M | $2.45B | +4.7% | 1.265% | 0.37% |
| 13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.6M | $2.44B | -5.7% | 1.249% | 0.82% |
| 14 | NORTHERN TRUST CORP | 1.6M | $2.31B | -1.9% | 1.196% | 0.31% |
| 15 | WELLINGTON MANAGEMENT GROUP LLP | 1.4M | $2.12B | +228.8% | 1.096% | 0.40% |
| 16 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 1.4M | $2.07B | -1.2% | 1.068% | 1.63% |
| 17 | BANK OF AMERICA CORP /DE/ | 1.3M | $1.92B | -12.6% | 0.995% | 0.14% |
| 18 | JANUS HENDERSON GROUP PLC | 1.2M | $1.83B | -8.3% | 0.944% | 0.91% |
| 19 | UBS ASSET MANAGEMENT AMERICAS INC | 1.1M | $1.63B | +14.1% | 0.841% | 0.34% |
| 20 | Amundi | 1.1M | $1.61B | +37.0% | 0.835% | 0.44% |
| 21 | Legal & General Group Plc | 1.0M | $1.52B | -0.5% | 0.787% | 0.35% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 988K | $1.45B | +3.1% | 0.752% | 0.22% |
| 23 | Capital Research Global Investors | 976K | $1.44B | +408.7% | 0.743% | 0.22% |
| 24 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 898K | $1.32B | +22.9% | 0.683% | 0.15% |
| 25 | Bank of New York Mellon Corp | 888K | $1.31B | -9.4% | 0.676% | 0.24% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in KLAC — a direct measure of their conviction.
Filings activity in KLAC during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 2,014 | +8.5% | 47.81% | +7.13 pp | $158.96B | +18% |
| Q4 2025 | 1,857 | +10% | 40.68% | +4.69 pp | $135.26B | +13% |
| Q3 2025 | 1,687 | +3.6% | 35.99% | +5.87 pp | $119.66B | +19% |
| Q2 2025 | 1,628 | +7.3% | 30.12% | +8.56 pp | $100.14B | +40% |
| Q1 2025 | 1,517 | +1.7% | 21.56% | +1.16 pp | $71.70B | +5.7% |
| Q4 2024 | 1,492 | 0.1% | 20.40% | 4.06 pp | $67.82B | 17% |
| Q3 2024 | 1,493 | +0.9% | 24.46% | 2.68 pp | $81.33B | 9.9% |
| Q2 2024 | 1,480 | — | 27.14% | — | $90.24B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying KLAC stock.
Based on Q1 2026 13F filings, institutional ownership of KLA Corporation stands at 47.8%, held across 2,014 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of KLAC, with approximately 12,596,207 shares worth $18.55B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of KLAC, including SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for KLAC is 72 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
309 institutions opened new positions in KLAC during Q1 2026, while 152 fully exited. 1,449 added to existing positions and 248 trimmed.
KLAC institutional ownership rose by 7.13 percentage points quarter-over-quarter, with a net change of +157 holders.
The top 10 institutions account for 46.7% of all reported 13F value in KLAC, and the top 25 account for 64.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
KLA Corporation (KLAC) Institutional Ownership