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, Q1 2026
Institutional positions in MKS Inc as of Mar 31, 2026. 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
- 621
- +111 vs. Q4 2025
- Shares held
- 69.0M
- +6.90M (+11.1%) vs. Q4 2025
- Total value
- $15.8B
- +$5.85B (+58.9%) vs. Q4 2025
- New holders
- 164
- 204 more added
- Sold out
- 53
- 190 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding MKS Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,641,730 | $1.53B | 0.03% | +502,891+8.2% | Added |
| Invesco Ltd. | 3,721,459 | $855.2M | 0.08% | −134,052−3.5% | Reduced |
| Vanguard Portfolio Management LLC | 3,685,493 | $847.0M | 0.04% | +3,685,493 | New |
| Vanguard Capital Management LLC | 3,014,201 | $692.7M | 0.02% | +3,014,201 | New |
| State Street Corp | 2,057,732 | $472.9M | 0.02% | +40,142+2.0% | Added |
| Capital International Investors | 1,968,770 | $452.4M | 0.11% | −1,270,460−39.2% | Reduced |
| FMR LLC | 1,933,843 | $444.4M | 0.02% | −1,264,492−39.5% | Reduced |
| JPMorgan Chase & Co | 2,096,342 | $441.2M | 0.03% | +544,899+35.1% | Added |
| Wellington Management Group LLP | 1,833,137 | $421.3M | 0.08% | −718,884−28.2% | Reduced |
| Price T Rowe Associates Inc | 1,700,148 | $390.7M | 0.05% | −1,053,702−38.3% | Reduced |
| Point72 Asset Management, L.P. | 1,610,331 | $370.1M | 0.64% | +984,532+157.3% | Added |
| Geode Capital Management, LLC | 1,539,319 | $353.8M | 0.02% | +285,270+22.7% | Added |
| Aspex Management (HK) Ltd | 1,538,789 | $353.6M | 5.13% | +1,538,789 | New |
| Neuberger Berman Group LLC | 1,433,529 | $329.4M | 0.25% | −27,660−1.9% | Reduced |
| Whale Rock Capital Management LLC | 1,306,724 | $300.3M | 3.88% | +1,306,724 | New |
| Capital World Investors | 1,277,200 | $293.5M | 0.04% | +1,277,200 | New |
| Westfield Capital Management Co LP | 1,046,763 | $240.6M | 1.01% | +206,990+24.6% | Added |
| Citadel Advisors LLC | 947,032 | $217.6M | 0.15% | +489,159+106.8% | Added |
| Millennium Management LLC | 894,369 | $205.5M | 0.15% | +77,118+9.4% | Added |
| Victory Capital Management Inc | 878,758 | $201.9M | 0.13% | −1,683,641−65.7% | Reduced |
| Charles Schwab Investment Management Inc | 866,647 | $199.2M | 0.03% | −4,007−0.5% | Reduced |
| Dimensional Fund Advisors LP | 835,345 | $191.9M | 0.04% | −282,142−25.2% | Reduced |
| Bank of New York Mellon Corp | 832,150 | $191.2M | 0.04% | +43,502+5.5% | Added |
| Principal Financial Group Inc | 614,230 | $141.2M | 0.08% | −151,365−19.8% | Reduced |
| AQR Capital Management LLC | 616,497 | $136.9M | 0.06% | +419,835+213.5% | Added |
| Northern Trust Corp | 569,224 | $130.8M | 0.02% | +3,238+0.6% | Added |
| Morgan Stanley | 515,063 | $118.4M | 0.01% | −75,458−12.8% | Reduced |
| Samlyn Capital, LLC | 496,685 | $114.1M | 1.96% | +496,685 | New |
| Franklin Resources Inc | 475,893 | $109.4M | 0.03% | −565,832−54.3% | Reduced |
| Bank of America Corp | 463,709 | $106.6M | 0.01% | −16,518−3.4% | Reduced |
| FengHe Fund Management Pte. Ltd. | 456,329 | $104.9M | 14.49% | +456,329 | New |
| UBS Group AG | 432,130 | $99.3M | 0.02% | +108,417+33.5% | Added |
| Vanguard Fiduciary Trust Co | 417,114 | $95.9M | 0.02% | +417,114 | New |
| Balyasny Asset Management LLC | 407,395 | $93.6M | 0.18% | −104,225−20.4% | Reduced |
| Royce & Associates LP | 403,670 | $92.8M | 0.92% | −212,935−34.5% | Reduced |
| Manufacturers Life Insurance Company, The | 400,319 | $92.0M | 0.08% | −205,895−34.0% | Reduced |
| Nuveen, LLC | 378,158 | $86.9M | 0.02% | +36,734+10.8% | Added |
| Blue Grotto Capital, LLC | 375,000 | $86.2M | 9.93% | −40,500−9.7% | Reduced |
| Contour Asset Management LLC | 374,868 | $86.1M | 2.80% | +374,868 | New |
| Madison Asset Management, LLC | 338,336 | $77.8M | 0.96% | −583,114−63.3% | Reduced |
| Raymond James Financial Inc | 337,962 | $75.8M | 0.02% | +88,615+35.5% | Added |
| Tremblant Capital Group | 329,786 | $75.8M | 2.44% | +329,786 | New |
| Nordea Investment Management AB | 326,308 | $71.5M | 0.07% | −273,534−45.6% | Reduced |
| TimesSquare Capital Management, LLC | 288,165 | $66.2M | 1.12% | +288,165 | New |
| Summit Partners Public Asset Management, LLC | 282,206 | $64.9M | 3.00% | −99,294−26.0% | Reduced |
| American Century Companies Inc | 280,965 | $64.6M | 0.03% | −116,599−29.3% | Reduced |
| Two Sigma Investments, LP | 278,687 | $64.0M | 0.05% | +249,329+849.3% | Added |
| Nomura Holdings Inc | 269,356 | $61.9M | 0.52% | −94,677−26.0% | Reduced |
| Quantinno Capital Management LP | 259,749 | $59.7M | 0.10% | +28,850+12.5% | Added |
| Amundi | 254,748 | $58.5M | 0.02% | +114,525+81.7% | Added |
| Defiance ETFs, LLC | 250,616 | $57.6M | 0.83% | +12,710+5.3% | Added |
| Penserra Capital Management LLC | 250,616 | $57.6M | 0.68% | +12,710+5.3% | Added |
| Park West Asset Management LLC | 249,240 | $57.3M | 5.06% | −29,374−10.5% | Reduced |
| Goldman Sachs Group Inc | 245,626 | $56.4M | 0.01% | +65,628+36.5% | Added |
| Value Holdings Management Co. LLC | 245,050 | $56.3M | 9.13% | −52,664−17.7% | Reduced |
| Harvey Partners, LLC | 243,396 | $55.9M | 4.54% | −45,801−15.8% | Reduced |
| Jane Street Group, LLC | 243,253 | $55.9M | 0.06% | −139,862−36.5% | Reduced |
| Wells Fargo & Company | 243,038 | $55.9M | 0.01% | −148,144−37.9% | Reduced |
| Systematic Financial Management LP | 242,063 | $55.6M | 1.28% | −22,678−8.6% | Reduced |
| Natixis Advisors, L.P. | 232,006 | $53.3M | 0.07% | −290,409−55.6% | Reduced |
| Alliancebernstein L.P. | 319,921 | $51.1M | 0.02% | +233,799+271.5% | Added |
| Jones Financial Companies LLLP | 223,782 | $49.9M | 0.02% | +221,558+9,962.1% | Added |
| Dendur Capital LP | 214,500 | $49.3M | 3.63% | +214,500 | New |
| Cooke & Bieler LP | 210,048 | $48.3M | 0.55% | −756,655−78.3% | Reduced |
| UBS Asset Management Americas Inc | 203,920 | $46.9M | 0.01% | +3,741+1.9% | Added |
| Gotham Asset Management, LLC | 195,403 | $44.9M | 0.14% | −29,812−13.2% | Reduced |
| Handelsbanken Fonder AB | 192,500 | $44.2M | 0.15% | +34,100+21.5% | Added |
| Nomura Asset Management International Inc. | 186,005 | $42.7M | 0.07% | +35,339+23.5% | Added |
| Rhumbline Advisers | 179,960 | $41.4M | 0.04% | +3,919+2.2% | Added |
| Mizuho Markets Cayman LP | 175,000 | $40.2M | 2.16% | 00.0% | Unchanged |
| LPL Financial LLC | 174,975 | $40.2M | 0.01% | +163,065+1,369.1% | Added |
| Ceredex Value Advisors LLC | 169,475 | $38.9M | 1.23% | −17,060−9.1% | Reduced |
| Voloridge Investment Management, LLC | 166,066 | $38.2M | 0.15% | +166,066 | New |
| Sora Investors LLC | 162,762 | $37.4M | 3.44% | +162,762 | New |
| Barclays PLC | 161,499 | $37.1M | 0.01% | −178,819−52.5% | Reduced |
| Frontier Capital Management Co LLC | 161,250 | $37.1M | 0.38% | −389,485−70.7% | Reduced |
| SummitTX Capital, L.P. | 160,909 | $37.0M | 1.18% | −44,841−21.8% | Reduced |
| Retirement Systems of Alabama | 158,446 | $36.4M | 0.12% | +1,732+1.1% | Added |
| Royal Bank of Canada | 153,003 | $35.2M | 0.01% | −156,839−50.6% | Reduced |
| Delta Global Management LP | 151,117 | $34.7M | 2.84% | −176,273−53.8% | Reduced |
| BNP Paribas Arbitrage, SA | 148,697 | $34.2M | 0.02% | −11,916−7.4% | Reduced |
| Cramer Rosenthal McGlynn LLC | 148,385 | $34.1M | 2.50% | −82,307−35.7% | Reduced |
| Thrivent Financial for Lutherans | 143,677 | $33.0M | 0.06% | +56,072+64.0% | Added |
| Polaris Capital Management, LLC | 134,700 | $31.0M | 2.53% | −130,400−49.2% | Reduced |
| Deutsche Bank AG | 133,050 | $30.6M | 0.01% | −926−0.7% | Reduced |
| Swiss National Bank | 132,900 | $30.5M | 0.02% | +400+0.3% | Added |
| Loomis Sayles & Co L P | 127,131 | $29.2M | 0.04% | −57,102−31.0% | Reduced |
| California Public Employees Retirement System | 123,288 | $28.3M | 0.02% | +8,904+7.8% | Added |
| Light Street Capital Management, LLC | 122,264 | $28.1M | 5.65% | +102,682+524.4% | Added |
| D. E. Shaw & Co., Inc. | 120,173 | $27.6M | 0.02% | +120,173 | New |
| Needham Investment Management LLC | 120,000 | $27.6M | 1.41% | −10,500−8.0% | Reduced |
| Bessemer Group Inc | 117,851 | $27.1M | 0.04% | −40,179−25.4% | Reduced |
| Bank of Montreal | 117,132 | $26.9M | 0.01% | −47,662−28.9% | Reduced |
| Talos Asset Management LP | 114,011 | $26.2M | 4.48% | +114,011 | New |
| SG Americas Securities, LLC | 110,343 | $25.4M | 0.03% | +91,219+477.0% | Added |
| Daiwa Securities Group Inc. | 107,304 | $24.7M | 0.07% | +106,774+20,146.0% | Added |
| Renaissance Technologies LLC | 103,603 | $23.8M | 0.04% | +103,603 | New |
| SEI Investments Co | 101,214 | $23.3M | 0.02% | −24,844−19.7% | Reduced |
| Federated Hermes, Inc. | 100,125 | $23.0M | 0.04% | +812+0.8% | Added |
| Ameriprise Financial Inc | 99,188 | $22.8M | 0.01% | −43,307−30.4% | Reduced |