MKS Inc
MKSI- Exchange
- Nasdaq
- Industry
- Industrial Instruments For Measurement, Display, and Control
- SEC CIK
- 0001049502
In the last 90 days, MKS Inc insiders filed 0 open-market purchases and 3 sales; 777 institutions reported holding it in 13F filings for Q2 2026, worth $31.3B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in MKS Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 621
- +111 vs. Q4 2025
- Shares held
- 69.0M
- +6.90M (+11.1%) vs. Q4 2025
- Total value
- $15.8B
- +$5.85B (+58.9%) vs. Q4 2025
- New holders
- 164
- 204 more added
- Sold out
- 53
- 190 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MKSI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 777 | $31.3B |
| Q1 2026 | 621 | $15.8B |
| Q4 2025 | 516 | $11.3B |
| Q3 2025 | 435 | $8.91B |
| Q2 2025 | 396 | $7.42B |
| Q1 2025 | 397 | $5.73B |
| Q4 2024 | 420 | $7.36B |
| Q3 2024 | 410 | $7.37B |
| Q2 2024 | 397 | $9.02B |
| Q1 2024 | 343 | $9.16B |
| Q4 2023 | 325 | $6.88B |
| Q3 2023 | 324 | $5.80B |
| Q2 2023 | 320 | $7.32B |
| Q1 2023 | 325 | $5.94B |
| Q4 2022 | 316 | $5.74B |
| Q3 2022 | 358 | $4.84B |
| Q2 2022 | 375 | $5.46B |
| Q1 2022 | 399 | $8.06B |
| Q4 2021 | 405 | $9.34B |
| Q3 2021 | 376 | $7.93B |
| Q2 2021 | 376 | $9.28B |
| Q1 2021 | 351 | $9.83B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bowie Capital Management, LLC | 64,593 | $14.8M | 0.70% | +64,593 | New |
| Thames Capital Management LLC | 67,668 | $15.6M | 2.79% | +67,668 | New |
| Agf Management Ltd | 68,100 | $15.7M | 0.07% | −1,633−2.3% | Reduced |
| Tairen Capital Ltd | 68,500 | $15.7M | 1.70% | +68,500 | New |
| Hood River Capital Management LLC | 69,437 | $16.0M | 0.16% | +10,559+17.9% | Added |
| Fourier Capital Management Ltd | 71,028 | $16.3M | 16.30% | +27,497+63.2% | Added |
| Public Employees Retirement Association of Colorado | 71,340 | $16.4M | 0.06% | +64,500+943.0% | Added |
| Polar Capital Holdings Plc | 72,211 | $16.6M | 0.07% | −71,287−49.7% | Reduced |
| Qube Research & Technologies Ltd | 74,360 | $17.1M | 0.02% | +70,002+1,606.3% | Added |
| Envestnet Asset Management Inc | 75,841 | $17.4M | 0.00% | −17,323−18.6% | Reduced |
| PDT Partners, LLC | 76,801 | $17.6M | 1.04% | +66,731+662.7% | Added |
| California State Teachers Retirement System | 77,734 | $17.9M | 0.02% | +13,880+21.7% | Added |
| Walleye Capital LLC | 79,188 | $18.2M | 0.11% | +67,735+591.4% | Added |
| Tudor Investment Corp Et Al | 81,280 | $18.7M | 0.10% | −23,202−22.2% | Reduced |
| Aequim Alternative Investments LP | 84,268 | $19.4M | 0.38% | +56,079+198.9% | Added |
| Divisar Capital Management LLC | 85,501 | $19.6M | 5.01% | +8,000+10.3% | Added |
| Rivermont Capital Management LP | 87,537 | $20.1M | 4.24% | +87,537 | New |
| Lord, Abbett & Co. LLC | 87,869 | $20.2M | 0.07% | +87,869 | New |
| Legal & General Group Plc | 90,018 | $20.7M | 0.00% | −9,571−9.6% | Reduced |
| Silvercrest Asset Management Group LLC | 97,814 | $22.5M | 0.16% | −58,791−37.5% | Reduced |
| Marshall Wace, LLP | 98,690 | $22.7M | 0.02% | +98,690 | New |
| Ameriprise Financial Inc | 99,188 | $22.8M | 0.01% | −43,307−30.4% | Reduced |
| Federated Hermes, Inc. | 100,125 | $23.0M | 0.04% | +812+0.8% | Added |
| SEI Investments Co | 101,214 | $23.3M | 0.02% | −24,844−19.7% | Reduced |
| Renaissance Technologies LLC | 103,603 | $23.8M | 0.04% | +103,603 | New |
| Daiwa Securities Group Inc. | 107,304 | $24.7M | 0.07% | +106,774+20,146.0% | Added |
| SG Americas Securities, LLC | 110,343 | $25.4M | 0.03% | +91,219+477.0% | Added |
| Talos Asset Management LP | 114,011 | $26.2M | 4.48% | +114,011 | New |
| Bank of Montreal | 117,132 | $26.9M | 0.01% | −47,662−28.9% | Reduced |
| Bessemer Group Inc | 117,851 | $27.1M | 0.04% | −40,179−25.4% | Reduced |
| Needham Investment Management LLC | 120,000 | $27.6M | 1.41% | −10,500−8.0% | Reduced |
| D. E. Shaw & Co., Inc. | 120,173 | $27.6M | 0.02% | +120,173 | New |
| Light Street Capital Management, LLC | 122,264 | $28.1M | 5.65% | +102,682+524.4% | Added |
| California Public Employees Retirement System | 123,288 | $28.3M | 0.02% | +8,904+7.8% | Added |
| Loomis Sayles & Co L P | 127,131 | $29.2M | 0.04% | −57,102−31.0% | Reduced |
| Swiss National Bank | 132,900 | $30.5M | 0.02% | +400+0.3% | Added |
| Deutsche Bank AG | 133,050 | $30.6M | 0.01% | −926−0.7% | Reduced |
| Polaris Capital Management, LLC | 134,700 | $31.0M | 2.53% | −130,400−49.2% | Reduced |
| Thrivent Financial for Lutherans | 143,677 | $33.0M | 0.06% | +56,072+64.0% | Added |
| Cramer Rosenthal McGlynn LLC | 148,385 | $34.1M | 2.50% | −82,307−35.7% | Reduced |
| BNP Paribas Arbitrage, SA | 148,697 | $34.2M | 0.02% | −11,916−7.4% | Reduced |
| Delta Global Management LP | 151,117 | $34.7M | 2.84% | −176,273−53.8% | Reduced |
| Royal Bank of Canada | 153,003 | $35.2M | 0.01% | −156,839−50.6% | Reduced |
| Retirement Systems of Alabama | 158,446 | $36.4M | 0.12% | +1,732+1.1% | Added |
| SummitTX Capital, L.P. | 160,909 | $37.0M | 1.18% | −44,841−21.8% | Reduced |
| Frontier Capital Management Co LLC | 161,250 | $37.1M | 0.38% | −389,485−70.7% | Reduced |
| Barclays PLC | 161,499 | $37.1M | 0.01% | −178,819−52.5% | Reduced |
| Sora Investors LLC | 162,762 | $37.4M | 3.44% | +162,762 | New |
| Voloridge Investment Management, LLC | 166,066 | $38.2M | 0.15% | +166,066 | New |
| Ceredex Value Advisors LLC | 169,475 | $38.9M | 1.23% | −17,060−9.1% | Reduced |
| LPL Financial LLC | 174,975 | $40.2M | 0.01% | +163,065+1,369.1% | Added |
| Mizuho Markets Cayman LP | 175,000 | $40.2M | 2.16% | 00.0% | Unchanged |
| Rhumbline Advisers | 179,960 | $41.4M | 0.04% | +3,919+2.2% | Added |
| Nomura Asset Management International Inc. | 186,005 | $42.7M | 0.07% | +35,339+23.5% | Added |
| Handelsbanken Fonder AB | 192,500 | $44.2M | 0.15% | +34,100+21.5% | Added |
| Gotham Asset Management, LLC | 195,403 | $44.9M | 0.14% | −29,812−13.2% | Reduced |
| UBS Asset Management Americas Inc | 203,920 | $46.9M | 0.01% | +3,741+1.9% | Added |
| Cooke & Bieler LP | 210,048 | $48.3M | 0.55% | −756,655−78.3% | Reduced |
| Dendur Capital LP | 214,500 | $49.3M | 3.63% | +214,500 | New |
| Jones Financial Companies LLLP | 223,782 | $49.9M | 0.02% | +221,558+9,962.1% | Added |
| Alliancebernstein L.P. | 319,921 | $51.1M | 0.02% | +233,799+271.5% | Added |
| Natixis Advisors, L.P. | 232,006 | $53.3M | 0.07% | −290,409−55.6% | Reduced |
| Systematic Financial Management LP | 242,063 | $55.6M | 1.28% | −22,678−8.6% | Reduced |
| Wells Fargo & Company | 243,038 | $55.9M | 0.01% | −148,144−37.9% | Reduced |
| Jane Street Group, LLC | 243,253 | $55.9M | 0.06% | −139,862−36.5% | Reduced |
| Harvey Partners, LLC | 243,396 | $55.9M | 4.54% | −45,801−15.8% | Reduced |
| Value Holdings Management Co. LLC | 245,050 | $56.3M | 9.13% | −52,664−17.7% | Reduced |
| Goldman Sachs Group Inc | 245,626 | $56.4M | 0.01% | +65,628+36.5% | Added |
| Park West Asset Management LLC | 249,240 | $57.3M | 5.06% | −29,374−10.5% | Reduced |
| Penserra Capital Management LLC | 250,616 | $57.6M | 0.68% | +12,710+5.3% | Added |
| Defiance ETFs, LLC | 250,616 | $57.6M | 0.83% | +12,710+5.3% | Added |
| Amundi | 254,748 | $58.5M | 0.02% | +114,525+81.7% | Added |
| Quantinno Capital Management LP | 259,749 | $59.7M | 0.10% | +28,850+12.5% | Added |
| Nomura Holdings Inc | 269,356 | $61.9M | 0.52% | −94,677−26.0% | Reduced |
| Two Sigma Investments, LP | 278,687 | $64.0M | 0.05% | +249,329+849.3% | Added |
| American Century Companies Inc | 280,965 | $64.6M | 0.03% | −116,599−29.3% | Reduced |
| Summit Partners Public Asset Management, LLC | 282,206 | $64.9M | 3.00% | −99,294−26.0% | Reduced |
| TimesSquare Capital Management, LLC | 288,165 | $66.2M | 1.12% | +288,165 | New |
| Nordea Investment Management AB | 326,308 | $71.5M | 0.07% | −273,534−45.6% | Reduced |
| Tremblant Capital Group | 329,786 | $75.8M | 2.44% | +329,786 | New |
| Raymond James Financial Inc | 337,962 | $75.8M | 0.02% | +88,615+35.5% | Added |
| Madison Asset Management, LLC | 338,336 | $77.8M | 0.96% | −583,114−63.3% | Reduced |
| Contour Asset Management LLC | 374,868 | $86.1M | 2.80% | +374,868 | New |
| Blue Grotto Capital, LLC | 375,000 | $86.2M | 9.93% | −40,500−9.7% | Reduced |
| Nuveen, LLC | 378,158 | $86.9M | 0.02% | +36,734+10.8% | Added |
| Manufacturers Life Insurance Company, The | 400,319 | $92.0M | 0.08% | −205,895−34.0% | Reduced |
| Royce & Associates LP | 403,670 | $92.8M | 0.92% | −212,935−34.5% | Reduced |
| Balyasny Asset Management LLC | 407,395 | $93.6M | 0.18% | −104,225−20.4% | Reduced |
| Vanguard Fiduciary Trust Co | 417,114 | $95.9M | 0.02% | +417,114 | New |
| UBS Group AG | 432,130 | $99.3M | 0.02% | +108,417+33.5% | Added |
| FengHe Fund Management Pte. Ltd. | 456,329 | $104.9M | 14.49% | +456,329 | New |
| Bank of America Corp | 463,709 | $106.6M | 0.01% | −16,518−3.4% | Reduced |
| Franklin Resources Inc | 475,893 | $109.4M | 0.03% | −565,832−54.3% | Reduced |
| Samlyn Capital, LLC | 496,685 | $114.1M | 1.96% | +496,685 | New |
| Morgan Stanley | 515,063 | $118.4M | 0.01% | −75,458−12.8% | Reduced |
| Northern Trust Corp | 569,224 | $130.8M | 0.02% | +3,238+0.6% | Added |
| AQR Capital Management LLC | 616,497 | $136.9M | 0.06% | +419,835+213.5% | Added |
| Principal Financial Group Inc | 614,230 | $141.2M | 0.08% | −151,365−19.8% | Reduced |
| Bank of New York Mellon Corp | 832,150 | $191.2M | 0.04% | +43,502+5.5% | Added |
| Dimensional Fund Advisors LP | 835,345 | $191.9M | 0.04% | −282,142−25.2% | Reduced |