MKSMKSI
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 776 institutions reported holding MKS Inc. (MKSI) in their 13F filings, up 156 from Q1 2026. 207 opened new positions and 53 sold out. The largest holders were BlackRock, Inc. ($3.1B), Invesco Ltd. ($2.1B) and Vanguard Portfolio Management LLC ($1.6B). 11 famous investors held it, including Alex Sacerdote (4.5% of Whale Rock Capital Management's portfolio), Steve Cohen (1.4% of Point72 Asset Management's portfolio) and Israel Englander (0.2% of Millennium Management's portfolio).
- Company
- MKS Inc.
- CUSIP
- 55306N104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 207 | $1.8B |
| Exits | 53 | $236.7M |
All 13F filers, Q1 2026 → Q2 2026: 10,129,692 shares bought and 9,186,609 shares sold, net +943,083 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 776 holders
| BlackRock, Inc. | 0.05% | Add +4.3% | 6,930,030 | $3.1B |
| Invesco Ltd. | 0.16% | Add +25.3% | 4,661,664 | $2.1B |
| Vanguard Portfolio Management LLC | 0.07% | Add +0.6% | 3,707,327 | $1.6B |
| JPMorgan Chase & Co. | 0.08% | Add +60.9% | 3,373,844 | $1.4B |
| Vanguard Capital Management LLC | 0.03% | Add +1.2% | 3,049,560 | $1.4B |
| State Street Corp. | 0.03% | Add +3.7% | 2,134,663 | $949.4M |
| Point72 Asset Management | 1.42% | Add +24.0% | 1,996,843 | $888.2M |
| Capital International Investors | 0.18% | Reduce -2.7% | 1,915,187 | $851.9M |
| T. Rowe Price Associates Inc. | 0.08% | Add +11.2% | 1,889,901 | $840.6M |
| Aspex Management (HK) Ltd | 9.13% | Add +18.3% | 1,820,441 | $809.7M |
| Geode Capital Management, LLC | 0.04% | Reduce -0.0% | 1,539,072 | $686.6M |
| FMR LLC | 0.03% | Reduce -22.5% | 1,499,498 | $667.0M |
| Wellington Management Group LLP | 0.11% | Reduce -22.8% | 1,416,034 | $629.9M |
| Capital World Investors | 0.07% | Add +7.0% | 1,366,290 | $607.7M |
| Whale Rock Capital Management | 4.54% | Reduce -2.7% | 1,271,373 | $565.5M |
| Neuberger Berman Group LLC | 0.35% | Reduce -18.7% | 1,165,068 | $518.2M |
| Alkeon Capital Management LLC | 1.84% | New | 1,072,040 | $476.8M |
| Norges Bank | 0.04% | — | 954,667 | $424.6M |
| Westfield Capital Management Co. LP | 1.35% | Reduce -11.3% | 928,617 | $413.0M |
| Sachem Head Capital Management LP | 7.50% | New | 812,700 | $361.5M |
| Charles Schwab Investment Management Inc. | 0.05% | Reduce -6.7% | 808,198 | $359.5M |
| Citadel Advisors | 0.18% | Reduce -26.3% | 697,670 | $310.3M |
| Morgan Stanley | 0.02% | Add +32.3% | 681,576 | $303.2M |
| Bank of New York Mellon Corp | 0.05% | Reduce -20.9% | 658,544 | $292.9M |
| Millennium Management | 0.20% | Reduce -27.9% | 645,071 | $286.9M |
| AQR Capital Management | 0.10% | Add +3.5% | 638,333 | $280.2M |
| Victory Capital Management Inc. | 0.15% | Reduce -30.7% | 609,027 | $270.9M |
| Qube Research & Technologies Ltd | 0.30% | Add +715.0% | 606,068 | $269.6M |
| FengHe Fund Management Pte. Ltd. | 24.54% | Add +27.5% | 581,687 | $258.7M |
| Northern Trust Corp. | 0.03% | Add +1.5% | 577,866 | $257.0M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -36.2% | 533,145 | $237.0M |
| Bank of America Corp. | 0.01% | Add +12.3% | 520,847 | $231.7M |
| Principal Financial Group Inc. | 0.10% | Reduce -22.7% | 474,686 | $211.1M |
| Vanguard Fiduciary Trust Co. | 0.04% | Add +2.6% | 428,157 | $190.4M |
| Goldman Sachs Group Inc. | 0.02% | Add +47.3% | 361,721 | $160.9M |
| Nuveen, LLC | 0.04% | Reduce -4.4% | 361,411 | $160.8M |
| Raymond James Financial Inc. | 0.04% | Reduce -3.1% | 327,432 | $145.6M |
| UBS Group AG | 0.02% | Reduce -25.6% | 321,728 | $143.1M |
| Summit Partners Public Asset Management, LLC | 3.70% | Add +13.3% | 319,833 | $142.3M |
| Madison Asset Management, LLC | 1.68% | Reduce -6.4% | 316,694 | $140.9M |
| Tremblant Capital Group | 3.77% | Reduce -10.4% | 295,385 | $131.4M |
| TOMS Capital Investment Management LP | 6.88% | New | 293,000 | $130.3M |
| TimesSquare Capital Management, LLC | 1.89% | Add +0.1% | 288,450 | $128.3M |
| Samlyn Capital, LLC | 2.08% | Reduce -43.3% | 281,893 | $125.4M |
| Manufacturers Life Insurance Company, The | 0.09% | Reduce -33.7% | 265,549 | $118.1M |
| Royce & Associates LP | 0.94% | Reduce -35.2% | 261,567 | $116.3M |
| Polar Capital Holdings Plc | 0.33% | Add +260.7% | 260,442 | $115.8M |
| Balyasny Asset Management L.P. | 0.22% | Reduce -36.1% | 260,178 | $115.7M |
| Natixis Advisors, LLC | 0.13% | Add +12.1% | 260,170 | $115.7M |
| Amundi | 0.03% | Reduce -5.1% | 241,670 | $107.5M |
| Nordea Investment Management AB | 0.08% | Reduce -28.9% | 232,107 | $102.5M |
| Marshall Wace, LLP | 0.09% | Add +128.1% | 225,115 | $100.1M |
| Quantinno Capital Management LP | 0.12% | Reduce -14.1% | 223,165 | $99.3M |
| Jones Financial Companies LLLP | 0.04% | Add +12.0% | 250,579 | $97.4M |
| Wells Fargo & Company | 0.02% | Reduce -10.9% | 216,565 | $96.3M |
| Penserra Capital Management LLC | 0.72% | Reduce -15.9% | 210,802 | $93.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +1.9% | 207,760 | $92.4M |
| Defiance ETFs, LLC | 1.20% | Reduce -16.0% | 210,440 | $86.5M |
| Systematic Financial Management LP | 1.70% | Reduce -20.7% | 192,042 | $85.4M |
| Rhumbline Advisers | 0.06% | Reduce -0.0% | 179,890 | $80.0M |
| Northwestern Mutual Wealth Management Co. | 0.04% | Add +76880.9% | 173,207 | $77.0M |
| Gotham Asset Management | 0.18% | Reduce -12.9% | 170,226 | $75.7M |
| Cooke & Bieler LP | 0.85% | Reduce -21.3% | 165,227 | $73.5M |
| Handelsbanken Fonder AB | 0.21% | Reduce -14.6% | 164,490 | $73.2M |
| Evergreen Quality Fund GP, Ltd. | 1.18% | New | 164,200 | $73.0M |
| Value Holdings Management Co. LLC | 11.85% | Reduce -34.9% | 159,452 | $70.9M |
| First Trust Advisors LP | 0.04% | Add +202.1% | 157,249 | $69.9M |
| LPL Financial LLC | 0.02% | Reduce -10.3% | 156,987 | $69.8M |
| Federated Hermes, Inc. | 0.10% | Add +49.5% | 149,659 | $66.6M |
| Blue Grotto Capital, LLC | 5.55% | Reduce -60.1% | 149,422 | $66.5M |
| Retirement Systems of Alabama | 0.20% | Reduce -7.9% | 145,960 | $64.9M |
| Two Sigma Investments, LP | 0.05% | Reduce -48.6% | 143,365 | $63.8M |
| Alliancebernstein L.P. | 0.02% | Reduce -13.8% | 275,713 | $63.4M |
| Artemis Investment Management LLP | 0.56% | New | 141,986 | $63.2M |
| Harvey Partners, LLC | 4.35% | Reduce -42.0% | 141,066 | $62.7M |
| Park West Asset Management LLC | 4.22% | Reduce -44.3% | 138,740 | $61.7M |
| Swiss National Bank | 0.03% | Add +2.6% | 136,400 | $60.7M |
| Rockefeller Capital Management L.P. | 0.09% | Add +10756.9% | 135,386 | $60.2M |
| Toronto Dominion Bank | 0.10% | Add +248.7% | 134,904 | $60.0M |
| SummitTX Capital, L.P. | 1.55% | Reduce -18.0% | 132,009 | $58.7M |
| Cramer Rosenthal McGlynn LLC | 2.96% | Reduce -11.6% | 131,194 | $58.4M |
| California Public Employees Retirement System | 0.03% | Add +4.6% | 128,961 | $57.4M |
| Dendur Capital LP | 3.26% | Reduce -42.2% | 124,000 | $55.2M |
| Royal Bank of Canada | 0.01% | Reduce -19.7% | 122,876 | $54.7M |
| Frontier Capital Management Co. LLC | 0.50% | Reduce -25.2% | 120,625 | $53.7M |
| Spyglass Capital Management LLC | 2.85% | New | 118,526 | $52.7M |
| Bank of Montreal | 0.02% | Add +0.6% | 117,782 | $52.4M |
| Barclays PLC | 0.02% | Reduce -27.6% | 116,845 | $52.0M |
| Legal & General Group Plc | 0.01% | Add +30.9% | 117,817 | $51.8M |
| Thrivent Financial for Lutherans | 0.09% | Reduce -20.7% | 113,938 | $50.7M |
| Mizuho Markets Cayman LP | 1.89% | Reduce -35.4% | 113,090 | $50.3M |
| Needham Investment Management LLC | 1.50% | Reduce -6.5% | 112,250 | $49.9M |
| Sora Investors LLC | 3.67% | Reduce -34.0% | 107,496 | $47.8M |
| Light Street Capital Management, LLC | 5.43% | Reduce -15.1% | 103,800 | $46.2M |
| Deutsche Bank AG | 0.01% | Reduce -24.5% | 100,427 | $44.7M |
| Glenview Capital Management, LLC | 0.88% | New | 98,532 | $43.8M |
| Nomura Holdings Inc. | 0.18% | Reduce -64.0% | 96,831 | $43.1M |
| Envestnet Asset Management Inc. | 0.01% | Add +25.9% | 95,449 | $42.5M |
| Loomis Sayles & Co. L P | 0.05% | Reduce -26.2% | 93,771 | $41.7M |
| Silvercrest Asset Management Group LLC | 0.27% | Reduce -6.5% | 91,429 | $40.7M |
"% of holder's portfolio" is MKSI's weight in each manager's 13F, not the share of MKS Inc. the manager owns.