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 |
|---|---|---|---|---|---|
| State of Michigan Retirement System | 16,140 | $3.71M | 0.02% | +300+1.9% | Added |
| Mercer Global Advisors Inc | 16,292 | $3.74M | 0.01% | +5,324+48.5% | Added |
| Anson Funds Management LP | 16,500 | $3.79M | 0.50% | +16,500 | New |
| Vestmark Advisory Solutions, Inc. | 16,548 | $3.80M | 0.04% | +2,088+14.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 16,829 | $3.87M | 0.02% | +21+0.1% | Added |
| Vanguard Investments Australia, Ltd. | 17,012 | $3.91M | 0.01% | +17,012 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 17,344 | $3.99M | 0.01% | −148−0.8% | Reduced |
| BlueCrest Capital Management Ltd | 17,623 | $4.05M | 0.38% | +1,983+12.7% | Added |
| Voya Investment Management LLC | 17,789 | $4.09M | 0.00% | +6,644+59.6% | Added |
| Icon Advisers Inc | 18,000 | $4.14M | 0.96% | 00.0% | Unchanged |
| Dean Investment Associates, LLC | 18,132 | $4.17M | 0.59% | −5,348−22.8% | Reduced |
| Nisa Investment Advisors, LLC | 18,177 | $4.18M | 0.02% | +440+2.5% | Added |
| Arizona State Retirement System | 18,450 | $4.24M | 0.02% | −359−1.9% | Reduced |
| Expect Equity LLC | 18,485 | $4.25M | 3.30% | −5,530−23.0% | Reduced |
| JustInvest LLC | 18,988 | $4.36M | 0.04% | +512+2.8% | Added |
| Fifth Third Bancorp | 19,294 | $4.43M | 0.01% | +18,674+3,011.9% | Added |
| Louisiana State Employees Retirement System | 19,500 | $4.48M | 0.08% | +900+4.8% | Added |
| M&T Bank Corp | 19,794 | $4.55M | 0.01% | −2,250−10.2% | Reduced |
| Yousif Capital Management, LLC | 19,810 | $4.55M | 0.05% | −1,005−4.8% | Reduced |
| Engineers Gate Manager LP | 19,818 | $4.55M | 0.06% | +7,587+62.0% | Added |
| Intech Investment Management LLC | 20,073 | $4.61M | 0.05% | +13,356+198.8% | Added |
| Pathstone Holdings, LLC | 20,213 | $4.65M | 0.02% | +561+2.9% | Added |
| XTX Topco Ltd | 20,956 | $4.82M | 0.08% | +1,012+5.1% | Added |
| Mariner, LLC | 21,256 | $4.88M | 0.01% | +11,768+124.0% | Added |
| Hilton Capital Management, LLC | 21,629 | $4.97M | 0.38% | −1,511−6.5% | Reduced |
| Oliver Luxxe Assets LLC | 22,427 | $5.15M | 0.77% | −214−0.9% | Reduced |
| Colony Group, LLC | 22,554 | $5.27M | 0.01% | +2,628+13.2% | Added |
| Lisanti Capital Growth, LLC | 23,135 | $5.32M | 1.34% | +23,135 | New |
| State of New Jersey Common Pension Fund D | 23,179 | $5.33M | 0.02% | +23+0.1% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 23,630 | $5.43M | 0.26% | +75+0.3% | Added |
| Sit Investment Associates Inc | 24,025 | $5.52M | 0.11% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 24,208 | $5.56M | 0.13% | +24,208 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 24,965 | $5.74M | 0.01% | −1,094−4.2% | Reduced |
| Phocas Financial Corp. | 25,520 | $5.86M | 0.92% | −47,845−65.2% | Reduced |
| Stifel Financial Corp | 25,842 | $5.94M | 0.01% | −32,854−56.0% | Reduced |
| Picton Mahoney Asset Management | 25,990 | $5.97M | 0.06% | +25,990 | New |
| KBC Group NV | 26,137 | $6.01M | 0.02% | +24,098+1,181.9% | Added |
| Cerity Partners LLC | 26,172 | $6.01M | 0.01% | +5,987+29.7% | Added |
| Cetera Investment Advisers | 26,512 | $6.09M | 0.01% | −539−2.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 26,792 | $6.16M | 0.01% | +6,033+29.1% | Added |
| Ieq Capital, LLC | 27,075 | $6.22M | 0.03% | +15,168+127.4% | Added |
| Prudential Financial Inc | 28,475 | $6.54M | 0.01% | +4,398+18.3% | Added |
| Treasurer of the State of North Carolina | 28,757 | $6.61M | 0.02% | +614+2.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 28,879 | $6.64M | 0.06% | +763+2.7% | Added |
| State of Tennessee, Treasury Department | 29,270 | $6.73M | 0.02% | 00.0% | Unchanged |
| Credit Agricole S A | 29,405 | $6.76M | 0.02% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 30,370 | $6.98M | 0.00% | +1,300+4.5% | Added |
| Amalgamated Bank | 30,869 | $7.09M | 0.05% | +410+1.3% | Added |
| Toroso Investments, LLC | 31,547 | $7.13M | 0.02% | −3,527−10.1% | Reduced |
| Boston Partners | 31,451 | $7.23M | 0.01% | +31,451 | New |
| Teachers Retirement System of the State of Kentucky | 32,572 | $7.49M | 0.06% | −5,332−14.1% | Reduced |
| MetLife Investment Management | 33,043 | $7.59M | 0.04% | +223+0.7% | Added |
| Vanguard Global Advisers, LLC | 33,679 | $7.74M | 0.00% | +33,679 | New |
| New York State Common Retirement Fund | 33,749 | $7.76M | 0.01% | −117,585−77.7% | Reduced |
| Harber Asset Management LLC | 34,230 | $7.87M | 5.03% | −18,309−34.8% | Reduced |
| Jain Global LLC | 34,386 | $7.90M | 0.10% | −92,617−72.9% | Reduced |
| Globeflex Capital L P | 34,954 | $8.03M | 1.22% | −1,360−3.7% | Reduced |
| CI Private Wealth, LLC | 35,858 | $8.15M | 0.01% | +24,003+202.5% | Added |
| Spear Advisors LLC | 35,651 | $8.19M | 6.10% | +35,651 | New |
| Oversea-Chinese Banking CORP Ltd | 36,498 | $8.39M | 0.25% | −26,332−41.9% | Reduced |
| Daventry Group, LP | 36,556 | $8.40M | 9.57% | +36,556 | New |
| Susquehanna International Group, LLP | 36,583 | $8.41M | 0.01% | +33,840+1,233.7% | Added |
| Kennedy Capital Management, Inc. | 36,731 | $8.44M | 0.18% | −107,408−74.5% | Reduced |
| KR Capital LP | 36,806 | $8.46M | 1.70% | +36,806 | New |
| Tyro Capital Management LLC | 36,855 | $8.47M | 2.14% | +36,855 | New |
| Assenagon Asset Management S.A. | 36,911 | $8.48M | 0.01% | −55,945−60.2% | Reduced |
| Creative Planning | 37,023 | $8.51M | 0.01% | −5,804−13.6% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 37,234 | $8.56M | 0.71% | −11,235−23.2% | Reduced |
| Public Employees Retirement System of Ohio | 37,486 | $8.61M | 0.03% | −17,833−32.2% | Reduced |
| Bridgewater Associates, LP | 38,133 | $8.76M | 0.04% | +38,133 | New |
| Toronto Dominion Bank | 38,688 | $8.89M | 0.02% | +38,685+1,289,500.0% | Added |
| Great West Life Assurance Co | 38,844 | $8.94M | 0.02% | +675+1.8% | Added |
| Segall Bryant & Hamill, LLC | 39,434 | $9.06M | 0.13% | +39,434 | New |
| Citigroup Inc | 39,792 | $9.14M | 0.01% | −26,519−40.0% | Reduced |
| Shellback Capital, LP | 41,216 | $9.47M | 1.35% | +4,809+13.2% | Added |
| Acadian Asset Management LLC | 41,299 | $9.48M | 0.01% | +40,744+7,341.3% | Added |
| Shapiro Capital Management LLC | 41,275 | $9.49M | 0.59% | −48,040−53.8% | Reduced |
| Sirios Capital Management L P | 42,347 | $9.73M | 1.18% | +42,347 | New |
| Edgestream Partners, L.P. | 42,701 | $9.81M | 0.32% | −16,180−27.5% | Reduced |
| Mutual of America Capital Management LLC | 43,122 | $9.91M | 0.11% | −2,280−5.0% | Reduced |
| Worldquant Millennium Advisors LLC | 43,519 | $10.0M | 0.04% | +27,238+167.3% | Added |
| Algert Global LLC | 44,100 | $10.1M | 0.15% | +25,820+141.2% | Added |
| Channing Capital Management, LLC | 44,406 | $10.2M | 0.26% | −486,773−91.6% | Reduced |
| Canada Pension Plan Investment Board | 45,200 | $10.4M | 0.01% | +10,200+29.1% | Added |
| STRS Ohio | 45,201 | $10.4M | 0.04% | −35,602−44.1% | Reduced |
| Robeco Schweiz AG | 45,600 | $10.5M | 0.22% | −7,030−13.4% | Reduced |
| Gabelli Funds LLC | 47,058 | $10.8M | 0.07% | +32+0.1% | Added |
| Russell Investments Group, Ltd. | 47,195 | $10.8M | 0.01% | +12,206+34.9% | Added |
| State of Wisconsin Investment Board | 48,978 | $11.3M | 0.03% | +3,362+7.4% | Added |
| GHP Investment Advisors, Inc. | 50,487 | $11.6M | 0.48% | +2,926+6.2% | Added |
| SEB Asset Management AB | 52,000 | $12.0M | 0.05% | +52,000 | New |
| First Trust Advisors LP | 52,056 | $12.0M | 0.01% | −920−1.7% | Reduced |
| Wellington Shields Capital Management, LLC | 52,220 | $12.0M | 1.80% | −1,941−3.6% | Reduced |
| Hel Ved Capital Management Ltd | 52,765 | $12.1M | 2.10% | +52,765 | New |
| RMB Capital Management, LLC | 54,284 | $12.5M | 0.22% | +27,643+103.8% | Added |
| State Board of Administration of Florida Retirement System | 57,674 | $13.3M | 0.02% | +3,573+6.6% | Added |
| NFJ Investment Group, LLC | 60,067 | $13.8M | 0.53% | −25,523−29.8% | Reduced |
| ExodusPoint Capital Management, LP | 60,098 | $13.8M | 0.14% | +60,098 | New |
| Vanguard Asset Management, Ltd | 61,399 | $14.1M | 0.01% | +61,399 | New |
| New York State Teachers Retirement System | 63,109 | $14.5M | 0.03% | −2,177−3.3% | Reduced |