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 |
|---|---|---|---|---|---|
| Charles Schwab Investment Management Inc | 866,647 | $199.2M | 0.03% | −4,007−0.5% | Reduced |
| Victory Capital Management Inc | 878,758 | $201.9M | 0.13% | −1,683,641−65.7% | Reduced |
| Millennium Management LLC | 894,369 | $205.5M | 0.15% | +77,118+9.4% | Added |
| Citadel Advisors LLC | 947,032 | $217.6M | 0.15% | +489,159+106.8% | Added |
| Westfield Capital Management Co LP | 1,046,763 | $240.6M | 1.01% | +206,990+24.6% | Added |
| Capital World Investors | 1,277,200 | $293.5M | 0.04% | +1,277,200 | New |
| Whale Rock Capital Management LLC | 1,306,724 | $300.3M | 3.88% | +1,306,724 | New |
| Neuberger Berman Group LLC | 1,433,529 | $329.4M | 0.25% | −27,660−1.9% | Reduced |
| Aspex Management (HK) Ltd | 1,538,789 | $353.6M | 5.13% | +1,538,789 | New |
| Geode Capital Management, LLC | 1,539,319 | $353.8M | 0.02% | +285,270+22.7% | Added |
| Point72 Asset Management, L.P. | 1,610,331 | $370.1M | 0.64% | +984,532+157.3% | Added |
| Price T Rowe Associates Inc | 1,700,148 | $390.7M | 0.05% | −1,053,702−38.3% | Reduced |
| Wellington Management Group LLP | 1,833,137 | $421.3M | 0.08% | −718,884−28.2% | Reduced |
| JPMorgan Chase & Co | 2,096,342 | $441.2M | 0.03% | +544,899+35.1% | Added |
| FMR LLC | 1,933,843 | $444.4M | 0.02% | −1,264,492−39.5% | Reduced |
| Capital International Investors | 1,968,770 | $452.4M | 0.11% | −1,270,460−39.2% | Reduced |
| State Street Corp | 2,057,732 | $472.9M | 0.02% | +40,142+2.0% | Added |
| Vanguard Capital Management LLC | 3,014,201 | $692.7M | 0.02% | +3,014,201 | New |
| Vanguard Portfolio Management LLC | 3,685,493 | $847.0M | 0.04% | +3,685,493 | New |
| Invesco Ltd. | 3,721,459 | $855.2M | 0.08% | −134,052−3.5% | Reduced |
| BlackRock, Inc. | 6,641,730 | $1.53B | 0.03% | +502,891+8.2% | Added |
| Southpoint Capital Advisors LP | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Glenview Capital Management, LLC | 0 | $0 | 0.00% | −74,200−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −72,250−100.0% | Sold out |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −56,281−100.0% | Sold out |
| Pinnbrook Capital Management LP | 0 | $0 | 0.00% | −55,298−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −55,082−100.0% | Sold out |
| CNH Partners LLC | 0 | $0 | 0.00% | −40,090−100.0% | Sold out |
| Candelo Capital Management LP | 0 | $0 | 0.00% | −35,107−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −31,897−100.0% | Sold out |
| LSV Asset Management | 0 | $0 | 0.00% | −31,492−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −26,648−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −16,913−100.0% | Sold out |
| Optimize Financial Inc | 0 | $0 | 0.00% | −13,435−100.0% | Sold out |
| Banco Santander, S.A. | 0 | $0 | 0.00% | −11,748−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −9,159−100.0% | Sold out |
| FirstWave Capital Management LLC | 0 | $0 | 0.00% | −8,021−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −6,991−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,338−100.0% | Sold out |
| Impact Partnership Wealth, LLC | 0 | $0 | 0.00% | −4,784−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −4,169−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −3,189−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −2,779−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −2,323−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −1,891−100.0% | Sold out |
| Integrated Advisors Network LLC | 0 | $0 | 0.00% | −1,779−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −1,577−100.0% | Sold out |
| Legacy Capital Group California, Inc. | 0 | $0 | 0.00% | −1,565−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −1,436−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −1,426−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −1,423−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −1,364−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −799−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −561−100.0% | Sold out |
| eCIO, Inc. | 0 | $0 | 0.00% | −394−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −345−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| University of Texas/Texas Am Investment Managment Co | 0 | $0 | 0.00% | −275−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −254−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| CBIZ Investment Advisory Services, LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Financial Network Wealth Advisors LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| McGuire Capital Advisors Inc | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| ROSS\JOHNSON & Associates LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |