MKSMKSI
13F holders, Q2 2025 (June 30)395holders −2
70new positions
71sold out
6famous investors
$99.36avg. 13F price*
At the end of Q2 2025, 395 institutions reported holding MKS Inc. (MKSI) in their 13F filings, down 2 from Q1 2025. 70 opened new positions and 71 sold out. The largest holders were Vanguard Group Inc. ($740.9M), BlackRock, Inc. ($727.0M) and T. Rowe Price Associates Inc. ($410.3M). 6 famous investors held it, including Joel Greenblatt (0.1% of Gotham Asset Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- MKS Inc.
- CUSIP
- 55306N104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 70 | $147.2M |
| Exits | 71 | $119.8M |
All 13F filers, Q1 2025 → Q2 2025: 9,499,369 shares bought and 5,686,774 shares sold, net +3,812,595 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 395 holders
| Vanguard Group Inc. | 0.01% | Add +0.1% | 7,456,617 | $740.9M |
| BlackRock, Inc. | 0.01% | Add +3.5% | 7,316,563 | $727.0M |
| T. Rowe Price Associates Inc. | 0.05% | Add +17.5% | 4,129,128 | $410.3M |
| Victory Capital Management Inc. | 0.25% | Add +14.1% | 3,866,182 | $384.2M |
| FMR LLC | 0.02% | Reduce -5.3% | 3,829,376 | $380.5M |
| Capital International Investors | 0.06% | Add +5.0% | 3,252,586 | $323.2M |
| Wellington Management Group LLP | 0.05% | Reduce -7.7% | 2,999,454 | $298.0M |
| State Street Corp. | 0.01% | Reduce -1.2% | 2,057,685 | $204.5M |
| Invesco Ltd. | 0.03% | Reduce -5.5% | 1,936,544 | $192.4M |
| Neuberger Berman Group LLC | 0.14% | Reduce -2.9% | 1,888,621 | $187.7M |
| Nordea Investment Management AB | 0.16% | Reduce -25.5% | 1,693,950 | $167.7M |
| Madison Asset Management, LLC | 1.57% | Add +2.5% | 1,463,683 | $145.4M |
| Geode Capital Management, LLC | 0.01% | Add +2.9% | 1,258,108 | $125.0M |
| Cooke & Bieler LP | 1.22% | Add +18.1% | 1,227,185 | $121.9M |
| UBS Group AG | 0.02% | Add +41.3% | 1,141,093 | $113.4M |
| Barclays PLC | 0.04% | Add +50.1% | 1,067,197 | $106.0M |
| Channing Capital Management, LLC | 2.74% | Add +79.3% | 991,298 | $98.5M |
| Bank of America Corp. | 0.01% | Add +44.2% | 982,643 | $97.6M |
| Dimensional Fund Advisors LP | 0.02% | Add +10.1% | 967,515 | $96.1M |
| JPMorgan Chase & Co. | 0.01% | Add +106.3% | 936,920 | $93.1M |
| Royce & Associates LP | 0.93% | Add +15.4% | 915,111 | $90.9M |
| Frontier Capital Management Co. LLC | 0.84% | Add +146.4% | 912,380 | $90.7M |
| Rafferty Asset Management, LLC | 0.29% | Add +63.4% | 878,114 | $87.2M |
| Norges Bank | 0.01% | Reduce -5.0% | 859,406 | $85.4M |
| Principal Financial Group Inc. | 0.04% | Add +2.1% | 852,636 | $84.7M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +10.1% | 790,656 | $78.6M |
| Royal Bank of Canada | 0.01% | Add +47.3% | 772,966 | $76.8M |
| Balyasny Asset Management L.P. | 0.17% | Add +48.1% | 732,682 | $72.8M |
| Northern Trust Corp. | 0.01% | Reduce -4.3% | 606,878 | $60.3M |
| Bank of New York Mellon Corp | 0.01% | Reduce -0.0% | 603,565 | $60.0M |
| Morgan Stanley | 0.00% | Reduce -7.2% | 596,425 | $59.3M |
| Natixis Advisors, LLC | 0.09% | Add +117.4% | 574,177 | $57.0M |
| Manufacturers Life Insurance Company, The | 0.05% | Reduce -3.8% | 522,532 | $51.9M |
| Goldman Sachs Group Inc. | 0.01% | Add +94.8% | 453,878 | $45.1M |
| Citigroup Inc. | 0.03% | Add +15.8% | 446,527 | $44.4M |
| Summit Partners Public Asset Management, LLC | 1.67% | New | 432,153 | $42.9M |
| Freestone Grove Partners LP | 0.31% | Add +235.4% | 413,764 | $41.1M |
| Shapiro Capital Management LLC | 1.71% | Reduce -29.3% | 391,155 | $38.9M |
| Capital Research Global Investors | 0.01% | No change | 387,153 | $38.5M |
| Wells Fargo & Company | 0.01% | Reduce -3.7% | 384,395 | $38.2M |
| Polaris Capital Management, LLC | 2.39% | Reduce -3.3% | 361,400 | $35.9M |
| Silvercrest Asset Management Group LLC | 0.23% | Add +30.1% | 337,298 | $33.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +20.3% | 321,712 | $32.0M |
| Mizuho Markets Americas LLC | 0.98% | Add +5.1% | 298,106 | $29.6M |
| Value Holdings Management Co. LLC | 5.22% | No change | 297,714 | $29.6M |
| Franklin Resources Inc. | 0.01% | Add +880.6% | 278,711 | $27.7M |
| New York State Common Retirement Fund | 0.04% | Add +63.0% | 271,340 | $27.0M |
| Harvey Partners, LLC | 2.67% | Add +3.3% | 269,599 | $26.8M |
| Bank of Montreal | 0.01% | Add +7.1% | 250,358 | $24.9M |
| Systematic Financial Management LP | 0.62% | Add +4.9% | 233,181 | $23.2M |
| Glenview Capital Management, LLC | 0.66% | New | 232,296 | $23.1M |
| Penserra Capital Management LLC | 0.29% | Add +43.4% | 206,461 | $20.5M |
| Ameriprise Financial Inc. | 0.00% | Add +28.5% | 199,390 | $19.8M |
| BNP Paribas Financial Markets | 0.02% | Add +18.6% | 195,163 | $19.4M |
| Gotham Asset Management | 0.11% | Add +456.1% | 187,933 | $18.7M |
| Blue Grotto Capital, LLC | 2.24% | Reduce -47.3% | 187,151 | $18.6M |
| Rhumbline Advisers | 0.02% | Reduce -0.6% | 186,625 | $18.5M |
| Kennedy Capital Management LLC | 0.44% | Reduce -1.7% | 185,588 | $18.4M |
| AQR Capital Management | 0.02% | Add +163.6% | 185,047 | $18.4M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -35.5% | 182,310 | $18.1M |
| Shellback Capital, LP | 1.18% | New | 178,610 | $17.7M |
| Raymond James Financial Inc. | 0.01% | Reduce -35.3% | 169,905 | $16.9M |
| Retirement Systems of Alabama | 0.06% | Add +0.0% | 158,077 | $15.7M |
| Bessemer Group Inc. | 0.03% | Add +16.7% | 156,496 | $15.5M |
| SummitTX Capital, L.P. | 0.66% | Add +14.1% | 150,953 | $15.0M |
| Citadel Advisors | 0.01% | New | 146,038 | $14.5M |
| First Trust Advisors LP | 0.01% | Add +3545.6% | 141,267 | $14.0M |
| Deutsche Bank AG | 0.00% | Add +0.1% | 132,735 | $13.2M |
| Swiss National Bank | 0.01% | Reduce -1.2% | 128,800 | $12.8M |
| Needham Investment Management LLC | 1.02% | No change | 128,750 | $12.8M |
| Quantinno Capital Management LP | 0.05% | Add +221.8% | 121,027 | $12.0M |
| Federated Hermes, Inc. | 0.02% | Add +38.0% | 115,590 | $11.5M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -49.3% | 114,030 | $11.3M |
| Polar Capital Holdings Plc | 0.06% | Reduce -29.6% | 110,173 | $10.9M |
| NFJ Investment Group, LLC | 0.38% | Add +82.7% | 109,761 | $10.9M |
| Sei Investments Co. | 0.01% | Reduce -24.6% | 109,350 | $10.9M |
| California Public Employees Retirement System | 0.01% | Reduce -58.1% | 108,576 | $10.8M |
| Legal & General Group Plc | 0.00% | Add +3.0% | 108,286 | $10.8M |
| Nuveen, LLC | 0.00% | Reduce -21.1% | 108,163 | $10.7M |
| National Bank of Canada | 0.01% | Add +1887.9% | 105,778 | $10.5M |
| Nomura Holdings Inc. | 0.08% | Reduce -74.4% | 102,314 | $10.2M |
| Harbor Capital Advisors, Inc. | 0.42% | Reduce -9.1% | 99,776 | $9.9M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -10.0% | 99,673 | $9.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -75.5% | 96,288 | $9.6M |
| Harber Asset Management LLC | 3.11% | Add +16.9% | 96,000 | $9.5M |
| Concentric Capital Strategies, LP | 0.52% | New | 92,583 | $9.2M |
| Janus Henderson Group PLC | 0.00% | Add +212.8% | 90,936 | $9.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.5% | 85,890 | $8.5M |
| Stifel Financial Corp. | 0.01% | Reduce -3.6% | 80,128 | $8.0M |
| Phocas Financial Corp. | 1.03% | Add +137.6% | 71,851 | $7.1M |
| Leith Wheeler Investment Counsel Ltd. | 0.50% | Reduce -2.6% | 71,288 | $7.1M |
| Public Employees Retirement System of Ohio | 0.02% | Add +15.9% | 71,083 | $7.1M |
| Comerica Bank | 0.03% | Add +162.8% | 70,732 | $7.0M |
| STRS Ohio | 0.03% | Add +32.5% | 70,100 | $7.0M |
| Amundi | 0.00% | Reduce -20.7% | 63,039 | $6.6M |
| New York State Teachers Retirement System | 0.01% | Reduce -0.1% | 65,286 | $6.5M |
| Readystate Asset Management LP | 0.48% | Add +1.5% | 64,152 | $6.4M |
| California State Teachers Retirement System | 0.01% | No change | 62,219 | $6.2M |
| Sculptor Capital LP | 0.15% | Reduce -5.2% | 60,000 | $6.0M |
| Prudential Financial Inc. | 0.01% | Add +13.1% | 58,933 | $5.9M |
"% of holder's portfolio" is MKSI's weight in each manager's 13F, not the share of MKS Inc. the manager owns.