MKSMKSI
13F holders, Q4 2025 (December 31)515holders +81
107new positions
41sold out
7famous investors
$159.88avg. 13F price*
At the end of Q4 2025, 515 institutions reported holding MKS Inc. (MKSI) in their 13F filings, up 81 from Q3 2025. 107 opened new positions and 41 sold out. The largest holders were Vanguard Group Inc. ($1.2B), BlackRock, Inc. ($981.0M) and Invesco Ltd. ($616.1M). 7 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Israel Englander (0.1% of Millennium Management's portfolio).
- Company
- MKS Inc.
- CUSIP
- 55306N104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 107 | $335.6M |
| Exits | 41 | $121.3M |
All 13F filers, Q3 2025 → Q4 2025: 8,119,362 shares bought and 10,909,942 shares sold, net −2,790,580 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 515 holders
| Vanguard Group Inc. | 0.02% | Reduce -3.4% | 7,487,305 | $1.2B |
| BlackRock, Inc. | 0.02% | Add +0.3% | 6,138,839 | $981.0M |
| Invesco Ltd. | 0.06% | Add +61.8% | 3,855,511 | $616.1M |
| Capital International Investors | 0.08% | Reduce -0.5% | 3,239,230 | $517.6M |
| FMR LLC | 0.03% | Reduce -7.1% | 3,198,335 | $511.1M |
| T. Rowe Price Associates Inc. | 0.05% | Reduce -24.2% | 2,753,850 | $440.1M |
| Victory Capital Management Inc. | 0.23% | Reduce -28.5% | 2,562,399 | $409.5M |
| Wellington Management Group LLP | 0.07% | Reduce -15.3% | 2,552,021 | $407.8M |
| State Street Corp. | 0.01% | Reduce -1.3% | 2,017,590 | $322.4M |
| JPMorgan Chase & Co. | 0.02% | Add +133.4% | 1,551,443 | $247.9M |
| Neuberger Berman Group LLC | 0.17% | Reduce -10.6% | 1,461,189 | $233.5M |
| Geode Capital Management, LLC | 0.01% | Add +0.4% | 1,254,049 | $200.4M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -11.7% | 1,117,487 | $178.6M |
| Franklin Resources Inc. | 0.04% | Reduce -26.1% | 1,041,725 | $166.5M |
| Cooke & Bieler LP | 1.61% | Reduce -26.9% | 966,703 | $154.5M |
| Norges Bank | 0.02% | — | 922,737 | $147.5M |
| Madison Asset Management, LLC | 1.69% | Reduce -5.6% | 921,450 | $147.2M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +2.9% | 870,654 | $139.1M |
| Westfield Capital Management Co. LP | 0.56% | Add +159.7% | 839,773 | $134.2M |
| Millennium Management | 0.10% | Add +83.1% | 817,251 | $130.6M |
| Bank of New York Mellon Corp | 0.02% | Add +21.1% | 788,648 | $126.0M |
| Principal Financial Group Inc. | 0.06% | Reduce -6.5% | 765,595 | $122.4M |
| Point72 Asset Management | 0.16% | Reduce -38.3% | 625,799 | $100.0M |
| Royce & Associates LP | 1.00% | Reduce -25.4% | 616,605 | $98.5M |
| Manufacturers Life Insurance Company, The | 0.08% | Reduce -26.4% | 606,214 | $96.9M |
| Nordea Investment Management AB | 0.08% | Reduce -62.4% | 599,842 | $96.6M |
| Southpoint Capital Advisors LP | 2.23% | New | 600,000 | $95.9M |
| Morgan Stanley | 0.01% | Reduce -9.5% | 590,521 | $94.4M |
| Northern Trust Corp. | 0.01% | Reduce -4.4% | 565,986 | $90.4M |
| Frontier Capital Management Co. LLC | 0.93% | Reduce -49.0% | 550,735 | $88.0M |
| Channing Capital Management, LLC | 2.18% | Reduce -28.6% | 531,179 | $84.9M |
| Natixis Advisors, LLC | 0.12% | Add +8.6% | 522,415 | $83.5M |
| Balyasny Asset Management L.P. | 0.16% | Reduce -39.8% | 511,620 | $81.8M |
| Bank of America Corp. | 0.01% | Add +12.2% | 480,227 | $76.7M |
| Citadel Advisors | 0.05% | Add +224.4% | 457,873 | $73.2M |
| Blue Grotto Capital, LLC | 6.82% | Add +96.1% | 415,500 | $66.4M |
| American Century Companies Inc. | 0.03% | Add +18521.3% | 397,564 | $63.5M |
| Wells Fargo & Company | 0.01% | Add +9.1% | 391,182 | $62.5M |
| Jane Street Group, LLC | 0.07% | Add +191.0% | 383,115 | $61.2M |
| Summit Partners Public Asset Management, LLC | 1.71% | Reduce -36.0% | 381,500 | $61.0M |
| Nomura Holdings Inc. | 0.17% | Reduce -14.7% | 364,033 | $58.2M |
| Nuveen, LLC | 0.01% | Add +21.4% | 341,424 | $54.6M |
| Barclays PLC | 0.02% | Reduce -7.3% | 340,318 | $54.4M |
| Delta Global Management LP | 3.81% | Add +116.0% | 327,390 | $52.3M |
| UBS Group AG | 0.01% | Reduce -50.5% | 323,713 | $51.7M |
| Royal Bank of Canada | 0.01% | Reduce -54.4% | 309,842 | $49.5M |
| Value Holdings Management Co. LLC | 7.96% | No change | 297,714 | $47.6M |
| Harvey Partners, LLC | 4.15% | Add +0.1% | 289,197 | $46.2M |
| Park West Asset Management LLC | 3.75% | Add +364.4% | 278,614 | $44.5M |
| Polaris Capital Management, LLC | 3.51% | Reduce -33.9% | 265,100 | $42.4M |
| Systematic Financial Management LP | 1.00% | Reduce -0.3% | 264,741 | $42.3M |
| Raymond James Financial Inc. | 0.01% | Add +40.7% | 249,347 | $40.0M |
| Defiance ETFs, LLC | 1.26% | — | 237,906 | $38.5M |
| Penserra Capital Management LLC | 0.45% | Reduce -19.6% | 237,906 | $38.0M |
| Quantinno Capital Management LP | 0.07% | Add +45.0% | 230,899 | $36.9M |
| Cramer Rosenthal McGlynn LLC | 2.38% | New | 230,692 | $36.9M |
| Gotham Asset Management | 0.13% | Add +13.1% | 225,215 | $36.0M |
| SummitTX Capital, L.P. | 1.00% | Add +4.6% | 205,750 | $32.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -3.0% | 200,179 | $32.0M |
| AQR Capital Management | 0.02% | Add +15.7% | 196,662 | $31.4M |
| Ceredex Value Advisors LLC | 0.90% | Reduce -6.8% | 186,535 | $29.8M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -12.9% | 184,233 | $29.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -16.8% | 179,998 | $28.8M |
| Rhumbline Advisers | 0.02% | Reduce -4.0% | 176,041 | $28.1M |
| Mizuho Markets Cayman LP | 1.41% | New | 175,000 | $28.0M |
| Bank of Montreal | 0.01% | Add +52.2% | 164,794 | $26.3M |
| BNP Paribas Financial Markets | 0.02% | Add +133.9% | 160,613 | $25.7M |
| Handelsbanken Fonder AB | 0.08% | Add +44.5% | 158,400 | $25.3M |
| Bessemer Group Inc. | 0.04% | Reduce -25.5% | 158,030 | $25.3M |
| Retirement Systems of Alabama | 0.08% | Reduce -0.4% | 156,714 | $25.0M |
| Silvercrest Asset Management Group LLC | 0.17% | Reduce -8.5% | 156,605 | $25.0M |
| New York State Common Retirement Fund | 0.03% | Reduce -32.1% | 151,334 | $24.2M |
| Nomura Asset Management International Inc. | 0.04% | — | 150,666 | $24.1M |
| Kennedy Capital Management LLC | 0.49% | Reduce -16.0% | 144,139 | $23.0M |
| Polar Capital Holdings Plc | 0.10% | Reduce -0.8% | 143,498 | $22.9M |
| Ameriprise Financial Inc. | 0.01% | Reduce -21.1% | 142,495 | $22.8M |
| Amundi | 0.01% | Add +37.2% | 140,223 | $22.4M |
| Deutsche Bank AG | 0.01% | Reduce -0.2% | 133,976 | $21.4M |
| Swiss National Bank | 0.01% | Add +1.9% | 132,500 | $21.2M |
| Needham Investment Management LLC | 1.32% | Reduce -0.2% | 130,500 | $20.9M |
| Jain Global LLC | 0.21% | Reduce -4.7% | 127,003 | $20.3M |
| Sei Investments Co. | 0.02% | Add +12.4% | 126,058 | $20.1M |
| California Public Employees Retirement System | 0.01% | Reduce -0.0% | 114,384 | $18.3M |
| Tudor Investment Corporation | 0.10% | New | 104,482 | $16.7M |
| Concentric Capital Strategies, LP | 0.85% | Add +37.0% | 102,590 | $16.4M |
| Legal & General Group Plc | 0.00% | Reduce -3.7% | 99,589 | $15.9M |
| Federated Hermes, Inc. | 0.03% | Reduce -0.6% | 99,313 | $15.9M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -8.5% | 93,164 | $14.9M |
| Assenagon Asset Management S.A. | 0.02% | New | 92,856 | $14.8M |
| Shapiro Capital Management LLC | 0.75% | Reduce -71.1% | 89,315 | $14.3M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -16.6% | 87,605 | $14.0M |
| Alliancebernstein L.P. | 0.00% | Add +1.7% | 86,122 | $13.8M |
| NFJ Investment Group, LLC | 0.49% | Reduce -15.9% | 85,590 | $13.7M |
| STRS Ohio | 0.05% | Add +9.8% | 80,803 | $12.9M |
| Divisar Capital Management LLC | 3.48% | Add +25.0% | 77,501 | $12.4M |
| Glenview Capital Management, LLC | 0.25% | Reduce -56.8% | 74,200 | $11.9M |
| Phocas Financial Corp. | 1.52% | Reduce -0.2% | 73,365 | $11.7M |
| Bank of Nova Scotia | 0.02% | New | 72,250 | $11.5M |
| Agf Management Ltd. | 0.05% | New | 69,733 | $11.1M |
| Citigroup Inc. | 0.01% | Add +0.8% | 66,311 | $10.6M |
"% of holder's portfolio" is MKSI's weight in each manager's 13F, not the share of MKS Inc. the manager owns.