MKS Inc. (MKSI) Institutional Ownership & Insider Trading
773 institutions reported holding MKS Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 47 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 13.3B
- P/E TTM
- 31.3
- Dividend yield
- 0.5%
- 52-week
- —
- Next earnings
- 4 Nov, in 11 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters773 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +1.3%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 773 | 71 | +1.3% | 215 | 183 | 234 | 39 |
| Mar 26 | 613 | 69 | -0.7% | 181 | 138 | 178 | 41 |
| Dec 25 | 506 | 71 | -4.7% | 155 | 93 | 127 | 28 |
| Sep 25 | 422 | 73 | -2.5% | 129 | 63 | 125 | 31 |
| Jun 25 | 388 | 75 | +5.7% | 142 | 62 | 117 | 60 |
| Mar 25 | 386 | 70 | +2.5% | 146 | 46 | 108 | 67 |
| Dec 24 | 410 | 70 | +1.2% | 150 | 37 | 116 | 45 |
| Sep 24 | 401 | 67 | -3.6% | 160 | 56 | 94 | 45 |
MKS Inc. — questions
- Who owns MKS Inc. stock?
- 773 institutions reported MKS Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (10.3%), Invesco Ltd. (6.9%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.5%).
- Are MKS Inc. insiders buying or selling?
- 47 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from MKS Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.