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, Q3 2025
Institutional positions in MKS Inc as of Sep 30, 2025. 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
- 435
- +43 vs. Q2 2025
- Shares held
- 72.0M
- −1.77M (−2.4%) vs. Q2 2025
- Total value
- $8.91B
- +$1.58B (+21.6%) vs. Q2 2025
- New holders
- 79
- 147 more added
- Sold out
- 36
- 142 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 29,070 | $3.60M | 0.00% | −61,866−68.0% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 29,737 | $3.68M | 0.03% | +4,333+17.1% | Added |
| Treasurer of the State of North Carolina | 30,202 | $3.74M | 0.01% | −1,180−3.8% | Reduced |
| AXA Investment Managers S.A. | 30,544 | $3.78M | 0.01% | +30,544 | New |
| Amalgamated Bank | 30,661 | $3.79M | 0.03% | +41+0.1% | Added |
| Expect Equity LLC | 31,490 | $3.90M | 3.81% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 31,591 | $3.91M | 0.03% | 00.0% | Unchanged |
| Globeflex Capital L P | 32,851 | $4.07M | 0.63% | 00.0% | Unchanged |
| WCM Investment Management, LLC | 33,844 | $4.13M | 0.01% | −3,196−8.6% | Reduced |
| State of Tennessee, Treasury Department | 33,507 | $4.15M | 0.01% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 33,588 | $4.16M | 1.94% | −19,938−37.2% | Reduced |
| Sora Investors LLC | 33,956 | $4.20M | 0.39% | −23,723−41.1% | Reduced |
| MetLife Investment Management | 34,518 | $4.27M | 0.02% | −1,600−4.4% | Reduced |
| Russell Investments Group, Ltd. | 35,370 | $4.38M | 0.00% | +24,276+218.8% | Added |
| Brevan Howard Capital Management LP | 36,334 | $4.50M | 0.06% | +34,132+1,550.0% | Added |
| Kovitz Investment Group Partners, LLC | 36,889 | $4.57M | 0.02% | +9,898+36.7% | Added |
| CNH Partners LLC | 37,344 | $4.59M | 0.12% | +3,845+11.5% | Added |
| Teachers Retirement System of the State of Kentucky | 38,963 | $4.82M | 0.04% | +718+1.9% | Added |
| Arrowstreet Capital, Limited Partnership | 39,154 | $4.85M | 0.00% | +39,154 | New |
| Ossiam | 41,215 | $5.10M | 0.07% | +41,215 | New |
| State of Wisconsin Investment Board | 41,572 | $5.15M | 0.01% | −4,640−10.0% | Reduced |
| Creative Planning | 43,100 | $5.33M | 0.00% | −1,593−3.6% | Reduced |
| Prudential Financial Inc | 44,143 | $5.46M | 0.01% | −14,790−25.1% | Reduced |
| GHP Investment Advisors, Inc. | 46,184 | $5.72M | 0.24% | +501+1.1% | Added |
| Gabelli Funds LLC | 46,326 | $5.73M | 0.04% | +1,000+2.2% | Added |
| Mutual of America Capital Management LLC | 47,091 | $5.83M | 0.06% | −4,017−7.9% | Reduced |
| Walleye Capital LLC | 50,288 | $6.22M | 0.05% | +12,266+32.3% | Added |
| State Board of Administration of Florida Retirement System | 53,721 | $6.65M | 0.01% | −1,009−1.8% | Reduced |
| Great West Life Assurance Co | 55,242 | $6.75M | 0.01% | −317−0.6% | Reduced |
| Wellington Shields Capital Management, LLC | 54,882 | $6.79M | 1.03% | −237−0.4% | Reduced |
| Readystate Asset Management LP | 55,079 | $6.82M | 0.33% | −9,073−14.1% | Reduced |
| Stifel Financial Corp | 58,378 | $7.23M | 0.01% | −21,750−27.1% | Reduced |
| Park West Asset Management LLC | 60,000 | $7.43M | 0.68% | +60,000 | New |
| Divisar Capital Management LLC | 62,000 | $7.67M | 2.09% | +10,000+19.2% | Added |
| California State Teachers Retirement System | 62,222 | $7.70M | 0.01% | +30.0% | Added |
| Public Employees Retirement System of Ohio | 62,288 | $7.71M | 0.02% | −8,795−12.4% | Reduced |
| Macquarie Group Ltd | 63,245 | $7.83M | 0.01% | +16,258+34.6% | Added |
| New York State Teachers Retirement System | 65,286 | $8.08M | 0.02% | 00.0% | Unchanged |
| Citigroup Inc | 65,787 | $8.14M | 0.01% | −380,740−85.3% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 67,164 | $8.31M | 0.56% | −4,124−5.8% | Reduced |
| Harber Asset Management LLC | 68,289 | $8.45M | 3.03% | −27,711−28.9% | Reduced |
| BNP Paribas Arbitrage, SA | 68,666 | $8.50M | 0.01% | −126,497−64.8% | Reduced |
| Phocas Financial Corp. | 73,542 | $9.10M | 1.18% | +1,691+2.4% | Added |
| STRS Ohio | 73,600 | $9.11M | 0.03% | +3,500+5.0% | Added |
| Concentric Capital Strategies, LP | 74,913 | $9.27M | 0.44% | −17,670−19.1% | Reduced |
| Alliancebernstein L.P. | 84,712 | $10.5M | 0.00% | −1,178−1.4% | Reduced |
| Federated Hermes, Inc. | 99,928 | $12.4M | 0.02% | −15,662−13.5% | Reduced |
| NFJ Investment Group, LLC | 101,719 | $12.6M | 0.43% | −8,042−7.3% | Reduced |
| Envestnet Asset Management Inc | 101,778 | $12.6M | 0.00% | +2,105+2.1% | Added |
| Legal & General Group Plc | 103,421 | $12.8M | 0.00% | −4,865−4.5% | Reduced |
| Thrivent Financial for Lutherans | 105,079 | $13.0M | 0.03% | −8,951−7.8% | Reduced |
| Bank of Montreal | 108,245 | $13.4M | 0.01% | −142,113−56.8% | Reduced |
| Handelsbanken Fonder AB | 109,600 | $13.6M | 0.04% | +92,000+522.7% | Added |
| Weiss Asset Management LP | 111,075 | $13.7M | 0.20% | +111,075 | New |
| SEI Investments Co | 112,170 | $13.9M | 0.01% | +2,820+2.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 112,892 | $14.0M | 0.03% | +112,892 | New |
| California Public Employees Retirement System | 114,431 | $14.2M | 0.01% | +5,855+5.4% | Added |
| Amundi | 102,191 | $14.3M | 0.00% | +39,152+62.1% | Added |
| First Trust Advisors LP | 116,332 | $14.4M | 0.01% | −24,935−17.7% | Reduced |
| Swiss National Bank | 130,000 | $16.1M | 0.01% | +1,200+0.9% | Added |
| Needham Investment Management LLC | 130,750 | $16.2M | 1.13% | +2,000+1.6% | Added |
| Jane Street Group, LLC | 131,642 | $16.3M | 0.02% | +124,275+1,686.9% | Added |
| Jain Global LLC | 133,197 | $16.5M | 0.21% | +75,878+132.4% | Added |
| Deutsche Bank AG | 134,186 | $16.6M | 0.01% | +1,451+1.1% | Added |
| Citadel Advisors LLC | 141,158 | $17.5M | 0.01% | −4,880−3.3% | Reduced |
| Polar Capital Holdings Plc | 144,626 | $17.9M | 0.09% | +34,453+31.3% | Added |
| Delta Global Management LP | 151,535 | $18.8M | 1.37% | +151,535 | New |
| Retirement Systems of Alabama | 157,299 | $19.5M | 0.06% | −778−0.5% | Reduced |
| Quantinno Capital Management LP | 159,193 | $19.7M | 0.05% | +38,166+31.5% | Added |
| AQR Capital Management LLC | 169,997 | $20.9M | 0.01% | −15,050−8.1% | Reduced |
| Silvercrest Asset Management Group LLC | 171,072 | $21.2M | 0.14% | −166,226−49.3% | Reduced |
| Kennedy Capital Management, Inc. | 171,557 | $21.2M | 0.47% | −14,031−7.6% | Reduced |
| Glenview Capital Management, LLC | 171,922 | $21.3M | 0.52% | −60,374−26.0% | Reduced |
| Raymond James Financial Inc | 177,255 | $21.9M | 0.01% | +7,350+4.3% | Added |
| Ameriprise Financial Inc | 180,515 | $22.3M | 0.01% | −18,875−9.5% | Reduced |
| Rhumbline Advisers | 183,415 | $22.7M | 0.02% | −3,210−1.7% | Reduced |
| Comerica Bank | 191,131 | $23.7M | 0.09% | +120,399+170.2% | Added |
| SummitTX Capital, L.P. | 196,734 | $24.3M | 1.01% | +45,781+30.3% | Added |
| Gotham Asset Management, LLC | 199,160 | $24.7M | 0.11% | +11,227+6.0% | Added |
| Ceredex Value Advisors LLC | 200,125 | $24.8M | 0.57% | +200,125 | New |
| UBS Asset Management Americas Inc | 206,435 | $25.6M | 0.01% | −115,277−35.8% | Reduced |
| Loomis Sayles & Co L P | 211,638 | $26.2M | 0.03% | +29,328+16.1% | Added |
| Blue Grotto Capital, LLC | 211,848 | $26.2M | 3.04% | +24,697+13.2% | Added |
| Bessemer Group Inc | 212,041 | $26.2M | 0.04% | +55,545+35.5% | Added |
| Goldman Sachs Group Inc | 216,306 | $26.8M | 0.00% | −237,572−52.3% | Reduced |
| New York State Common Retirement Fund | 223,046 | $27.6M | 0.04% | −48,294−17.8% | Reduced |
| Systematic Financial Management LP | 265,453 | $32.9M | 0.80% | +32,272+13.8% | Added |
| HRT Financial LP | 266,580 | $33.0M | 0.12% | +260,588+4,348.9% | Added |
| Nuveen, LLC | 281,249 | $34.8M | 0.01% | +173,086+160.0% | Added |
| Harvey Partners, LLC | 289,000 | $35.8M | 3.25% | +19,401+7.2% | Added |
| Penserra Capital Management LLC | 295,963 | $36.6M | 0.44% | +89,502+43.4% | Added |
| Value Holdings Management Co. LLC | 297,714 | $36.8M | 5.91% | 00.0% | Unchanged |
| Mizuho Markets Americas LLC | 304,831 | $37.7M | 0.80% | +6,725+2.3% | Added |
| Shapiro Capital Management LLC | 309,050 | $38.3M | 1.66% | −82,105−21.0% | Reduced |
| Westfield Capital Management Co LP | 323,364 | $40.0M | 0.17% | +323,364 | New |
| Wells Fargo & Company | 358,681 | $44.4M | 0.01% | −25,714−6.7% | Reduced |
| Barclays PLC | 367,148 | $45.4M | 0.02% | −700,049−65.6% | Reduced |
| Capital Research Global Investors | 387,153 | $47.9M | 0.01% | 00.0% | Unchanged |
| Polaris Capital Management, LLC | 401,300 | $49.7M | 3.26% | +39,900+11.0% | Added |
| Nomura Holdings Inc | 426,509 | $52.8M | 0.24% | +324,195+316.9% | Added |