MKSI Institutional Ownership
Top institutional (13F) holders of MKSI and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
56
Institutional value
$22.75B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 10.2% | Aug 7, 2026 | $3.08B |
| Invesco Ltd.holding company | 6.9% | Aug 14, 2026 | $2.07B |
| Vanguard Portfolio Managementinvestment advisor | 5.5% | Aug 13, 2026 | $1.65B |
| JPMORGAN CHASE & COholding company | 5.0% | Aug 12, 2026 | $1.4B |
| Vanguard Capital Managementinvestment advisor | 4.5% | Aug 13, 2026 | $1.36B |
| STATE STREET CORPORATIONholding company | 3.2% | Sep 22, 2026 | $949.44M |
| Point72 Asset Management, L.P.investment advisor | 3.0% | Aug 14, 2026 | $890.2M |
| Capital International Investorsinvestment advisor | 2.8% | Aug 12, 2026 | $851.88M |
| T. Rowe Price Associates, Inc.investment advisor | 2.8% | Aug 14, 2026 | $840.63M |
| JANE STREET GROUP, LLCholding company | 2.7% | Aug 14, 2026 | $821.53M |
| FMR LLCinvestment advisor | 2.2% | Aug 13, 2026 | $666.98M |
| UBS Group AGbank | 2.2% | Aug 13, 2026 | $648.42M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 2.1% | Aug 14, 2026 | $629.85M |
| Capital World Investorsinvestment advisor | 2.0% | Aug 12, 2026 | $607.73M |
| Whale Rock Capital Management LLCinvestment advisor | 1.9% | Aug 14, 2026 | $565.51M |
| Neuberger Berman Group LLCinvestment advisor | 1.7% | Oct 27, 2026 | $518.22M |
| Norges Bankother | 1.4% | Aug 12, 2026 | $424.64M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.3% | Nov 6, 2026 | $411.18M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 1.3% | Aug 14, 2026 | $382.67M |
| CITADEL ADVISORS LLCinvestment advisor | 1.3% | Sep 1, 2026 | $378.2M |
| Sachem Head Capital Management LPinvestment advisor | 1.2% | Aug 15, 2026 | $361.49M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 1.2% | Aug 14, 2026 | $359.49M |
| MORGAN STANLEYholding company | 1.0% | Aug 13, 2026 | $303.17M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 1.0% | Aug 14, 2026 | $287.33M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | 0.9% | Aug 14, 2026 | $280.24M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 8.8% | Oct 18, 2025 |
| Invesco Ltd.holding company | SC 13G | 6.5% | Feb 13, 2026 |
| Vanguard Portfolio Managementinvestment advisor | SC 13G | 5.5% | Apr 29, 2026 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 5.2% | Apr 30, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.