MKS INC MKSI
$365.56
-11.1% 52w: $98.84 – $444.80
Latest 13F among current holders filed 5 days ago (Aug 28, 2026)
Price — last 12 months
research preview data98.84271.82444.80
Aug 18, 2025 Jul 2, 2026
Institutional holders
627
+107 QoQ
13F value
$15.89B
+34.3% QoQ
Smart-money holders
47
signal tier ≥ 2
New smart buyers
26
Q1 2026
Options barometer
10.0×
$488.5M calls / $48.9M puts
Institutional value by quarter
Number of holders
Who owns MKSI?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 6.6M | $1.53B | 0.0% | +8.2% |
| Invesco Ltd. | Index provider | 3.7M | $855.2M | 0.1% | -3.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 3.7M | $847.0M | — | — |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 3.0M | $692.7M | — | — |
| STATE STREET CORP | Index provider | 2.1M | $472.9M | 0.0% | +2.0% |
| Capital International Investors | Long only active | 2.0M | $452.4M | 0.1% | -39.2% |
| FMR LLC | Long only active | 1.9M | $444.4M | 0.0% | -39.5% |
| JPMORGAN CHASE & CO | Bank broker | 2.1M | $441.2M | 0.0% | +35.1% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 1.8M | $421.3M | 0.1% | -28.2% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 1.7M | $390.7M | 0.0% | -38.3% |
| Point72 Asset Management, L.P. | Multistrat pod | 1.6M | $370.1M | 0.7% | +157.3% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.5M | $353.8M | — | +22.7% |
| Aspex Management (HK) Ltd ★3 | Fundamental concentrated | 1.5M | $353.6M | — | New |
| NEUBERGER BERMAN GROUP LLC | Diversified mechanical | 1.4M | $329.4M | 0.3% | -1.9% |
| Whale Rock Capital Management LLC ★2 | Fundamental concentrated | 1.3M | $300.3M | — | New |
| Capital World Investors | Long only active | 1.3M | $293.5M | 0.0% | New |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Other | 1.0M | $240.6M | — | +24.6% |
| CITADEL ADVISORS LLC | Multistrat pod | 947.0K | $217.6M | 0.2% | +106.8% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 894.4K | $205.5M | 0.2% | +9.4% |
| VICTORY CAPITAL MANAGEMENT INC | Diversified mechanical | 878.8K | $201.9M | 0.1% | -65.7% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 866.6K | $199.2M | — | -0.5% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 835.3K | $191.9M | — | -25.2% |
| Bank of New York Mellon Corp | Diversified mechanical | 832.1K | $191.2M | 0.0% | +5.5% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 614.2K | $141.2M | 0.1% | -19.8% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 616.5K | $136.9M | 0.1% | +213.5% |
| NORTHERN TRUST CORP | Index provider | 569.2K | $130.8M | 0.0% | +0.6% |
| MORGAN STANLEY | Bank broker | 515.1K | $118.4M | 0.0% | -12.8% |
| SAMLYN CAPITAL, LLC ★2 | Fundamental diversified | 496.7K | $114.1M | — | New |
| FRANKLIN RESOURCES INC | Long only active | 475.9K | $109.4M | 0.0% | -54.3% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 463.7K | $106.6M | 0.0% | -3.4% |
| FengHe Fund Management Pte. Ltd. ★2 | Fundamental concentrated | 456.3K | $104.9M | — | New |
| UBS Group AG | Bank broker | 432.1K | $99.3M | 0.0% | +33.5% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 417.1K | $95.9M | — | — |
| Balyasny Asset Management L.P. | Multistrat pod | 407.4K | $93.6M | 0.2% | -20.4% |
| ROYCE & ASSOCIATES LP | Other | 403.7K | $92.8M | — | -34.5% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Diversified mechanical | 400.3K | $92.0M | 0.1% | -34.0% |
| Nuveen, LLC | Diversified mechanical | 378.2K | $86.9M | 0.0% | +10.8% |
| Blue Grotto Capital, LLC ★2 | Fundamental concentrated | 375.0K | $86.2M | — | -9.7% |
| Contour Asset Management LLC ★2 | Fundamental concentrated | 374.9K | $86.1M | — | New |
| Madison Asset Management, LLC | Other | 338.3K | $77.8M | 1.0% | -63.3% |
| RAYMOND JAMES FINANCIAL INC | Bank broker | 338.0K | $75.8M | 0.0% | +35.5% |
| TREMBLANT CAPITAL GROUP ★2 | Fundamental diversified | 329.8K | $75.8M | — | New |
| NORDEA INVESTMENT MANAGEMENT AB | Other | 326.3K | $71.5M | — | -45.6% |
| TimesSquare Capital Management, LLC | Other | 288.2K | $66.2M | — | New |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC ★2 | Fundamental diversified | 282.2K | $64.9M | — | -26.0% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 281.0K | $64.6M | — | -29.3% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 278.7K | $64.0M | 0.1% | +849.3% |
| NOMURA HOLDINGS INC | Bank broker | 269.4K | $61.9M | — | -26.0% |
| Quantinno Capital Management LP | Diversified mechanical | 259.7K | $59.7M | 0.1% | +12.5% |
| Amundi | Diversified mechanical | 254.7K | $58.5M | 0.0% | +81.7% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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