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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 7,487,305 | $1.20B | 0.02% | −264,792−3.4% | Reduced |
| BlackRock, Inc. | 6,138,839 | $981.0M | 0.02% | +15,510+0.3% | Added |
| Invesco Ltd. | 3,855,511 | $616.1M | 0.06% | +1,472,145+61.8% | Added |
| Capital International Investors | 3,239,230 | $517.6M | 0.08% | −15,433−0.5% | Reduced |
| FMR LLC | 3,198,335 | $511.1M | 0.03% | −244,929−7.1% | Reduced |
| Price T Rowe Associates Inc | 2,753,850 | $440.1M | 0.05% | −879,169−24.2% | Reduced |
| Victory Capital Management Inc | 2,562,399 | $409.5M | 0.23% | −1,019,817−28.5% | Reduced |
| Wellington Management Group LLP | 2,552,021 | $407.8M | 0.07% | −461,774−15.3% | Reduced |
| State Street Corp | 2,017,590 | $322.4M | 0.01% | −26,367−1.3% | Reduced |
| JPMorgan Chase & Co | 1,551,443 | $247.9M | 0.02% | +886,847+133.4% | Added |
| Neuberger Berman Group LLC | 1,461,189 | $233.5M | 0.17% | −173,607−10.6% | Reduced |
| Geode Capital Management, LLC | 1,254,049 | $200.4M | 0.01% | +5,551+0.4% | Added |
| Dimensional Fund Advisors LP | 1,117,487 | $178.6M | 0.04% | −147,878−11.7% | Reduced |
| Franklin Resources Inc | 1,041,725 | $166.5M | 0.04% | −367,228−26.1% | Reduced |
| Cooke & Bieler LP | 966,703 | $154.5M | 1.61% | −355,174−26.9% | Reduced |
| Norges Bank | 922,737 | $147.5M | 0.02% | +922,737 | New |
| Madison Asset Management, LLC | 921,450 | $147.2M | 1.69% | −54,641−5.6% | Reduced |
| Charles Schwab Investment Management Inc | 870,654 | $139.1M | 0.02% | +24,349+2.9% | Added |
| Westfield Capital Management Co LP | 839,773 | $134.2M | 0.56% | +516,409+159.7% | Added |
| Millennium Management LLC | 817,251 | $130.6M | 0.09% | +371,003+83.1% | Added |
| Bank of New York Mellon Corp | 788,648 | $126.0M | 0.02% | +137,519+21.1% | Added |
| Principal Financial Group Inc | 765,595 | $122.4M | 0.06% | −53,151−6.5% | Reduced |
| Point72 Asset Management, L.P. | 625,799 | $100.0M | 0.16% | −387,754−38.3% | Reduced |
| Royce & Associates LP | 616,605 | $98.5M | 1.00% | −210,522−25.5% | Reduced |
| Manufacturers Life Insurance Company, The | 606,214 | $96.9M | 0.08% | −216,982−26.4% | Reduced |
| Nordea Investment Management AB | 599,842 | $96.6M | 0.08% | −996,602−62.4% | Reduced |
| Southpoint Capital Advisors LP | 600,000 | $95.9M | 2.23% | +600,000 | New |
| Morgan Stanley | 590,521 | $94.4M | 0.01% | −62,090−9.5% | Reduced |
| Northern Trust Corp | 565,986 | $90.4M | 0.01% | −25,913−4.4% | Reduced |
| Frontier Capital Management Co LLC | 550,735 | $88.0M | 0.93% | −530,028−49.0% | Reduced |
| Channing Capital Management, LLC | 531,179 | $84.9M | 2.18% | −212,983−28.6% | Reduced |
| Natixis Advisors, L.P. | 522,415 | $83.5M | 0.12% | +41,247+8.6% | Added |
| Balyasny Asset Management LLC | 511,620 | $81.8M | 0.15% | −338,625−39.8% | Reduced |
| Bank of America Corp | 480,227 | $76.7M | 0.01% | +52,229+12.2% | Added |
| Citadel Advisors LLC | 457,873 | $73.2M | 0.05% | +316,715+224.4% | Added |
| Blue Grotto Capital, LLC | 415,500 | $66.4M | 6.82% | +203,652+96.1% | Added |
| American Century Companies Inc | 397,564 | $63.5M | 0.03% | +395,429+18,521.3% | Added |
| Wells Fargo & Company | 391,182 | $62.5M | 0.01% | +32,501+9.1% | Added |
| Jane Street Group, LLC | 383,115 | $61.2M | 0.07% | +251,473+191.0% | Added |
| Summit Partners Public Asset Management, LLC | 381,500 | $61.0M | 1.71% | −214,632−36.0% | Reduced |
| Nomura Holdings Inc | 364,033 | $58.2M | 0.17% | −62,476−14.6% | Reduced |
| Nuveen, LLC | 341,424 | $54.6M | 0.01% | +60,175+21.4% | Added |
| Barclays PLC | 340,318 | $54.4M | 0.02% | −26,830−7.3% | Reduced |
| Delta Global Management LP | 327,390 | $52.3M | 3.81% | +175,855+116.0% | Added |
| UBS Group AG | 323,713 | $51.7M | 0.01% | −330,130−50.5% | Reduced |
| Royal Bank of Canada | 309,842 | $49.5M | 0.01% | −369,954−54.4% | Reduced |
| Value Holdings Management Co. LLC | 297,714 | $47.6M | 7.96% | 00.0% | Unchanged |
| Harvey Partners, LLC | 289,197 | $46.2M | 4.15% | +197+0.1% | Added |
| Park West Asset Management LLC | 278,614 | $44.5M | 3.75% | +218,614+364.4% | Added |
| Polaris Capital Management, LLC | 265,100 | $42.4M | 3.51% | −136,200−33.9% | Reduced |
| Systematic Financial Management LP | 264,741 | $42.3M | 1.00% | −712−0.3% | Reduced |
| Raymond James Financial Inc | 249,347 | $40.0M | 0.01% | +72,092+40.7% | Added |
| Defiance ETFs, LLC | 237,906 | $38.5M | 1.26% | +237,906 | New |
| Penserra Capital Management LLC | 237,906 | $38.0M | 0.45% | −58,057−19.6% | Reduced |
| Quantinno Capital Management LP | 230,899 | $36.9M | 0.07% | +71,706+45.0% | Added |
| Cramer Rosenthal McGlynn LLC | 230,692 | $36.9M | 2.38% | +230,692 | New |
| Gotham Asset Management, LLC | 225,215 | $36.0M | 0.13% | +26,055+13.1% | Added |
| SummitTX Capital, L.P. | 205,750 | $32.9M | 1.00% | +9,016+4.6% | Added |
| UBS Asset Management Americas Inc | 200,179 | $32.0M | 0.01% | −6,256−3.0% | Reduced |
| AQR Capital Management LLC | 196,662 | $31.4M | 0.02% | +26,665+15.7% | Added |
| Ceredex Value Advisors LLC | 186,535 | $29.8M | 0.90% | −13,590−6.8% | Reduced |
| Loomis Sayles & Co L P | 184,233 | $29.4M | 0.04% | −27,405−12.9% | Reduced |
| Goldman Sachs Group Inc | 179,998 | $28.8M | 0.00% | −36,308−16.8% | Reduced |
| Rhumbline Advisers | 176,041 | $28.1M | 0.02% | −7,374−4.0% | Reduced |
| Mizuho Markets Cayman LP | 175,000 | $28.0M | 1.41% | +175,000 | New |
| Bank of Montreal | 164,794 | $26.3M | 0.01% | +56,549+52.2% | Added |
| BNP Paribas Arbitrage, SA | 160,613 | $25.7M | 0.02% | +91,947+133.9% | Added |
| Handelsbanken Fonder AB | 158,400 | $25.3M | 0.08% | +48,800+44.5% | Added |
| Bessemer Group Inc | 158,030 | $25.3M | 0.04% | −54,011−25.5% | Reduced |
| Retirement Systems of Alabama | 156,714 | $25.0M | 0.08% | −585−0.4% | Reduced |
| Silvercrest Asset Management Group LLC | 156,605 | $25.0M | 0.17% | −14,467−8.5% | Reduced |
| New York State Common Retirement Fund | 151,334 | $24.2M | 0.03% | −71,712−32.2% | Reduced |
| Nomura Asset Management International Inc. | 150,666 | $24.1M | 0.04% | +150,666 | New |
| Kennedy Capital Management, Inc. | 144,139 | $23.0M | 0.49% | −27,418−16.0% | Reduced |
| Polar Capital Holdings Plc | 143,498 | $22.9M | 0.10% | −1,128−0.8% | Reduced |
| Ameriprise Financial Inc | 142,495 | $22.8M | 0.01% | −38,020−21.1% | Reduced |
| Amundi | 140,223 | $22.4M | 0.01% | +38,032+37.2% | Added |
| Deutsche Bank AG | 133,976 | $21.4M | 0.01% | −210−0.2% | Reduced |
| Swiss National Bank | 132,500 | $21.2M | 0.01% | +2,500+1.9% | Added |
| Needham Investment Management LLC | 130,500 | $20.9M | 1.32% | −250−0.2% | Reduced |
| Jain Global LLC | 127,003 | $20.3M | 0.20% | −6,194−4.7% | Reduced |
| SEI Investments Co | 126,058 | $20.1M | 0.02% | +13,888+12.4% | Added |
| California Public Employees Retirement System | 114,384 | $18.3M | 0.01% | −470.0% | Reduced |
| Tudor Investment Corp Et Al | 104,482 | $16.7M | 0.09% | +104,482 | New |
| Concentric Capital Strategies, LP | 102,590 | $16.4M | 0.85% | +27,677+36.9% | Added |
| Legal & General Group Plc | 99,589 | $15.9M | 0.00% | −3,832−3.7% | Reduced |
| Federated Hermes, Inc. | 99,313 | $15.9M | 0.03% | −615−0.6% | Reduced |
| Envestnet Asset Management Inc | 93,164 | $14.9M | 0.00% | −8,614−8.5% | Reduced |
| Assenagon Asset Management S.A. | 92,856 | $14.8M | 0.02% | +92,856 | New |
| Shapiro Capital Management LLC | 89,315 | $14.3M | 0.75% | −219,735−71.1% | Reduced |
| Thrivent Financial for Lutherans | 87,605 | $14.0M | 0.02% | −17,474−16.6% | Reduced |
| Alliancebernstein L.P. | 86,122 | $13.8M | 0.00% | +1,410+1.7% | Added |
| NFJ Investment Group, LLC | 85,590 | $13.7M | 0.50% | −16,129−15.9% | Reduced |
| STRS Ohio | 80,803 | $12.9M | 0.05% | +7,203+9.8% | Added |
| Divisar Capital Management LLC | 77,501 | $12.4M | 3.48% | +15,501+25.0% | Added |
| Glenview Capital Management, LLC | 74,200 | $11.9M | 0.25% | −97,722−56.8% | Reduced |
| Phocas Financial Corp. | 73,365 | $11.7M | 1.52% | −177−0.2% | Reduced |
| Bank of Nova Scotia | 72,250 | $11.5M | 0.02% | +72,250 | New |
| Agf Management Ltd | 69,733 | $11.1M | 0.05% | +69,733 | New |
| Citigroup Inc | 66,311 | $10.6M | 0.01% | +524+0.8% | Added |