MKSMKSI
13F holders, Q3 2025 (September 30)434holders +39
77new positions
36sold out
6famous investors
$123.77avg. 13F price*
At the end of Q3 2025, 434 institutions reported holding MKS Inc. (MKSI) in their 13F filings, up 39 from Q2 2025. 77 opened new positions and 36 sold out. The largest holders were Vanguard Group Inc. ($959.5M), BlackRock, Inc. ($757.9M) and T. Rowe Price Associates Inc. ($449.7M). 6 famous investors held it, including Steve Cohen (0.3% of Point72 Asset Management's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- MKS Inc.
- CUSIP
- 55306N104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 77 | $283.1M |
| Exits | 36 | $179.9M |
All 13F filers, Q2 2025 → Q3 2025: 7,884,029 shares bought and 9,680,525 shares sold, net −1,796,496 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 434 holders
| Vanguard Group Inc. | 0.01% | Add +4.0% | 7,752,097 | $959.5M |
| BlackRock, Inc. | 0.01% | Reduce -16.3% | 6,123,329 | $757.9M |
| T. Rowe Price Associates Inc. | 0.05% | Reduce -12.0% | 3,633,019 | $449.7M |
| Victory Capital Management Inc. | 0.26% | Reduce -7.3% | 3,582,216 | $443.4M |
| FMR LLC | 0.02% | Reduce -10.1% | 3,443,264 | $426.2M |
| Capital International Investors | 0.07% | Add +0.1% | 3,254,663 | $402.8M |
| Wellington Management Group LLP | 0.07% | Add +0.5% | 3,013,795 | $373.0M |
| Invesco Ltd. | 0.05% | Add +23.1% | 2,383,366 | $295.0M |
| State Street Corp. | 0.01% | Reduce -0.7% | 2,043,957 | $253.0M |
| Neuberger Berman Group LLC | 0.15% | Reduce -13.4% | 1,634,796 | $202.3M |
| Nordea Investment Management AB | 0.17% | Reduce -5.8% | 1,596,444 | $195.9M |
| Franklin Resources Inc. | 0.04% | Add +405.5% | 1,408,953 | $174.4M |
| Cooke & Bieler LP | 1.69% | Add +7.7% | 1,321,877 | $163.6M |
| Dimensional Fund Advisors LP | 0.03% | Add +30.8% | 1,265,365 | $156.6M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.8% | 1,248,498 | $154.6M |
| Frontier Capital Management Co. LLC | 1.20% | Add +18.5% | 1,080,763 | $133.8M |
| Point72 Asset Management | 0.29% | New | 1,013,553 | $125.4M |
| Madison Asset Management, LLC | 1.33% | Reduce -33.3% | 976,091 | $120.8M |
| Balyasny Asset Management L.P. | 0.22% | Add +16.1% | 850,245 | $105.2M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +7.0% | 846,305 | $104.7M |
| Royce & Associates LP | 1.02% | Reduce -9.6% | 827,127 | $102.4M |
| Manufacturers Life Insurance Company, The | 0.08% | Add +57.5% | 823,196 | $101.9M |
| Principal Financial Group Inc. | 0.05% | Reduce -4.0% | 818,746 | $101.3M |
| Channing Capital Management, LLC | 2.43% | Reduce -24.9% | 744,162 | $92.1M |
| Royal Bank of Canada | 0.01% | Reduce -12.1% | 679,796 | $84.1M |
| JPMorgan Chase & Co. | 0.01% | Reduce -29.1% | 664,596 | $82.3M |
| UBS Group AG | 0.02% | Reduce -42.7% | 653,843 | $80.9M |
| Morgan Stanley | 0.00% | Add +9.4% | 652,611 | $80.8M |
| Bank of New York Mellon Corp | 0.01% | Add +7.9% | 651,129 | $80.6M |
| Summit Partners Public Asset Management, LLC | 2.40% | Add +37.9% | 596,132 | $73.8M |
| Northern Trust Corp. | 0.01% | Reduce -2.5% | 591,899 | $73.3M |
| Natixis Advisors, LLC | 0.09% | Reduce -16.2% | 481,168 | $59.6M |
| Millennium Management | 0.05% | Add +9166.0% | 446,248 | $55.2M |
| Bank of America Corp. | 0.00% | Reduce -56.4% | 427,998 | $53.0M |
| Nomura Holdings Inc. | 0.27% | Add +316.9% | 426,509 | $52.8M |
| Polaris Capital Management, LLC | 3.26% | Add +11.0% | 401,300 | $49.7M |
| Capital Research Global Investors | 0.01% | No change | 387,153 | $47.9M |
| Barclays PLC | 0.02% | Reduce -65.6% | 367,148 | $45.4M |
| Wells Fargo & Company | 0.01% | Reduce -6.7% | 358,681 | $44.4M |
| Westfield Capital Management Co. LP | 0.17% | New | 323,364 | $40.0M |
| Shapiro Capital Management LLC | 1.66% | Reduce -21.0% | 309,050 | $38.3M |
| Mizuho Markets Americas LLC | 0.80% | Add +2.3% | 304,831 | $37.7M |
| Value Holdings Management Co. LLC | 5.91% | No change | 297,714 | $36.8M |
| Penserra Capital Management LLC | 0.44% | Add +43.4% | 295,963 | $36.6M |
| Harvey Partners, LLC | 3.25% | Add +7.2% | 289,000 | $35.8M |
| Nuveen, LLC | 0.01% | Add +160.0% | 281,249 | $34.8M |
| HRT Financial LP | 0.12% | Add +4348.9% | 266,580 | $33.0M |
| Systematic Financial Management LP | 0.80% | Add +13.8% | 265,453 | $32.9M |
| New York State Common Retirement Fund | 0.04% | Reduce -17.8% | 223,046 | $27.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -52.3% | 216,306 | $26.8M |
| Bessemer Group Inc. | 0.04% | Add +35.5% | 212,041 | $26.2M |
| Blue Grotto Capital, LLC | 3.04% | Add +13.2% | 211,848 | $26.2M |
| Loomis Sayles & Co. L P | 0.03% | Add +16.1% | 211,638 | $26.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -35.8% | 206,435 | $25.6M |
| Ceredex Value Advisors LLC | 0.57% | New | 200,125 | $24.8M |
| Gotham Asset Management | 0.11% | Add +6.0% | 199,160 | $24.7M |
| SummitTX Capital, L.P. | 1.01% | Add +30.3% | 196,734 | $24.3M |
| Comerica Bank | 0.09% | Add +170.2% | 191,131 | $23.7M |
| Rhumbline Advisers | 0.02% | Reduce -1.7% | 183,415 | $22.7M |
| Ameriprise Financial Inc. | 0.01% | Reduce -9.5% | 180,515 | $22.3M |
| Raymond James Financial Inc. | 0.01% | Add +4.3% | 177,255 | $21.9M |
| Glenview Capital Management, LLC | 0.52% | Reduce -26.0% | 171,922 | $21.3M |
| Kennedy Capital Management LLC | 0.47% | Reduce -7.6% | 171,557 | $21.2M |
| Silvercrest Asset Management Group LLC | 0.14% | Reduce -49.3% | 171,072 | $21.2M |
| AQR Capital Management | 0.01% | Reduce -8.1% | 169,997 | $20.9M |
| Quantinno Capital Management LP | 0.05% | Add +31.5% | 159,193 | $19.7M |
| Retirement Systems of Alabama | 0.06% | Reduce -0.5% | 157,299 | $19.5M |
| Delta Global Management LP | 1.37% | New | 151,535 | $18.8M |
| Polar Capital Holdings Plc | 0.09% | Add +31.3% | 144,626 | $17.9M |
| Citadel Advisors | 0.01% | Reduce -3.3% | 141,158 | $17.5M |
| Deutsche Bank AG | 0.01% | Add +1.1% | 134,186 | $16.6M |
| Jain Global LLC | 0.23% | Add +132.4% | 133,197 | $16.5M |
| Jane Street Group, LLC | 0.02% | Add +1686.9% | 131,642 | $16.3M |
| Needham Investment Management LLC | 1.13% | Add +1.6% | 130,750 | $16.2M |
| Swiss National Bank | 0.01% | Add +0.9% | 130,000 | $16.1M |
| First Trust Advisors LP | 0.01% | Reduce -17.6% | 116,332 | $14.4M |
| Amundi | 0.00% | Add +62.1% | 102,191 | $14.3M |
| California Public Employees Retirement System | 0.01% | Add +5.4% | 114,431 | $14.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.03% | New | 112,892 | $14.0M |
| Sei Investments Co. | 0.01% | Add +2.6% | 112,170 | $13.9M |
| Weiss Asset Management LP | 0.24% | New | 111,075 | $13.7M |
| Handelsbanken Fonder AB | 0.04% | Add +522.7% | 109,600 | $13.6M |
| Bank of Montreal | 0.01% | Reduce -56.8% | 108,245 | $13.4M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -7.8% | 105,079 | $13.0M |
| Legal & General Group Plc | 0.00% | Reduce -4.5% | 103,421 | $12.8M |
| Envestnet Asset Management Inc. | 0.00% | Add +2.1% | 101,778 | $12.6M |
| NFJ Investment Group, LLC | 0.43% | Reduce -7.3% | 101,719 | $12.6M |
| Federated Hermes, Inc. | 0.02% | Reduce -13.6% | 99,928 | $12.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.4% | 84,712 | $10.5M |
| Concentric Capital Strategies, LP | 0.44% | Reduce -19.1% | 74,913 | $9.3M |
| STRS Ohio | 0.03% | Add +5.0% | 73,600 | $9.1M |
| Phocas Financial Corp. | 1.18% | Add +2.4% | 73,542 | $9.1M |
| BNP Paribas Financial Markets | 0.01% | Reduce -64.8% | 68,666 | $8.5M |
| Harber Asset Management LLC | 3.12% | Reduce -28.9% | 68,289 | $8.5M |
| Leith Wheeler Investment Counsel Ltd. | 0.56% | Reduce -5.8% | 67,164 | $8.3M |
| Citigroup Inc. | 0.01% | Reduce -85.3% | 65,787 | $8.1M |
| New York State Teachers Retirement System | 0.02% | No change | 65,286 | $8.1M |
| Macquarie Group Ltd. | 0.01% | Add +34.6% | 63,245 | $7.8M |
| Public Employees Retirement System of Ohio | 0.02% | Reduce -12.4% | 62,288 | $7.7M |
| California State Teachers Retirement System | 0.01% | Add +0.0% | 62,222 | $7.7M |
"% of holder's portfolio" is MKSI's weight in each manager's 13F, not the share of MKS Inc. the manager owns.