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, Q4 2025
Institutional positions in MKS Inc as of Dec 31, 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
- 516
- +90 vs. Q3 2025
- Shares held
- 70.5M
- −1.40M (−2.0%) vs. Q3 2025
- Total value
- $11.3B
- +$2.37B (+26.7%) vs. Q3 2025
- New holders
- 131
- 177 more added
- Sold out
- 41
- 146 more reduced
9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Norges Bank | 922,737 | $147.5M | 0.02% | +922,737 | New |
| Cooke & Bieler LP | 966,703 | $154.5M | 1.61% | −355,174−26.9% | Reduced |
| Franklin Resources Inc | 1,041,725 | $166.5M | 0.04% | −367,228−26.1% | Reduced |
| Dimensional Fund Advisors LP | 1,117,487 | $178.6M | 0.04% | −147,878−11.7% | Reduced |
| Geode Capital Management, LLC | 1,254,049 | $200.4M | 0.01% | +5,551+0.4% | Added |
| Neuberger Berman Group LLC | 1,461,189 | $233.5M | 0.17% | −173,607−10.6% | Reduced |
| JPMorgan Chase & Co | 1,551,443 | $247.9M | 0.02% | +886,847+133.4% | Added |
| State Street Corp | 2,017,590 | $322.4M | 0.01% | −26,367−1.3% | Reduced |
| Wellington Management Group LLP | 2,552,021 | $407.8M | 0.07% | −461,774−15.3% | Reduced |
| Victory Capital Management Inc | 2,562,399 | $409.5M | 0.23% | −1,019,817−28.5% | Reduced |
| Price T Rowe Associates Inc | 2,753,850 | $440.1M | 0.05% | −879,169−24.2% | Reduced |
| FMR LLC | 3,198,335 | $511.1M | 0.03% | −244,929−7.1% | Reduced |
| Capital International Investors | 3,239,230 | $517.6M | 0.08% | −15,433−0.5% | Reduced |
| Invesco Ltd. | 3,855,511 | $616.1M | 0.06% | +1,472,145+61.8% | Added |
| BlackRock, Inc. | 6,138,839 | $981.0M | 0.02% | +15,510+0.3% | Added |
| Vanguard Group Inc | 7,487,305 | $1.20B | 0.02% | −264,792−3.4% | Reduced |
| Capital Research Global Investors | 0 | $0 | 0.00% | −387,153−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −112,892−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −111,075−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −63,245−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −55,079−100.0% | Sold out |
| Ossiam | 0 | $0 | 0.00% | −41,215−100.0% | Sold out |
| Kovitz Investment Group Partners, LLC | 0 | $0 | 0.00% | −36,889−100.0% | Sold out |
| Sora Investors LLC | 0 | $0 | 0.00% | −33,956−100.0% | Sold out |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −33,588−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −20,547−100.0% | Sold out |
| Andra AP-fonden | 0 | $0 | 0.00% | −14,595−100.0% | Sold out |
| Oddo BHF Asset Management SAS | 0 | $0 | 0.00% | −11,519−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −8,244−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −5,548−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −4,713−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −4,679−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −3,942−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −3,758−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −3,692−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −3,462−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −2,785−100.0% | Sold out |
| NorthRock Partners, LLC | 0 | $0 | 0.00% | −2,649−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −2,609−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −2,464−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −2,310−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −1,967−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,737−100.0% | Sold out |
| Winnow Wealth LLC | 0 | $0 | 0.00% | −303−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −279−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −234−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −228−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −224−100.0% | Sold out |
| Oakworth Capital, Inc. | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Investors Research Corp | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| North Capital, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Summit Wealth Group LLC | 0 | $0 | 0.00% | −331−100.0% | Sold out |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Stonegate Investment Group, LLC | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |
| Shell Asset Management Co | – | – | – | – | Not filed |
| Optimum Investment Advisors | – | – | – | – | Not filed |
| Abich Financial Wealth Management LLC | – | – | – | – | Not filed |
| Hemington Wealth Management | – | – | – | – | Not filed |
| Binnacle Investments Inc | – | – | – | – | Not filed |