MKS Inc. MKSI
226.00 USD +12.53 (+5.87%)
At closeNov 11, 2026, 6:47 PM EST
221.66 -4.34 -1.92%
After hours · Nov 11, 6:47 PM ET
220.52 Day range 231.07
134.74 52-week range 447.62
- YTD
- +41.43%
- 1 year
- +48.07%
Ownership
Held by insiders 0.49%
Held by institutions 109.88%
Float held by institutions 110.42%
Institutions 979
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 10.25% | 6,930,030 | 1.57B | Jun 29, 2026 |
| Invesco Ltd. | 6.89% | 4,661,664 | 1.05B | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.48% | 3,707,327 | 837.86M | Jun 29, 2026 |
| JPMORGAN CHASE & CO | 4.99% | 3,373,844 | 762.49M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.51% | 3,049,560 | 689.20M | Jun 29, 2026 |
| State Street Corporation | 3.16% | 2,134,663 | 482.43M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| SmallCap World Fund Inc | 3.61% | 2,437,899 | 550.97M | Sep 29, 2026 |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 3.56% | 2,408,565 | 544.34M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.17% | 2,143,925 | 484.53M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.29% | 1,548,875 | 350.05M | Jun 29, 2026 |
| AIM Sector Funds (Invesco Sector Funds)-Invesco Small Cap Value Fund | 1.70% | 1,146,556 | 259.12M | Jul 30, 2026 |
| AIM Sector Fd.s -INVESCO VALUE OPPORTUNITIES Fd. | 1.31% | 882,467 | 199.44M | Jul 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BATRA RAJEEV | Director | Stock Award(Grant) | May 10, 2026 | 16,227 |
| BURKE KATHLEEN FLAHERTY | General Counsel | Sale | May 10, 2026 | 49,439 |
| COLELLA GERARD G | Director | Sale | May 26, 2026 | 0 |
| DONAHUE JOSEPH B | Director | Sale | May 26, 2026 | 10,032 |
| HENRY DAVID PHILIP | Officer | Sale | May 31, 2026 | 10,421 |
| LEE JOHN TSENG-CHUNG | Chief Executive Officer | Conversion of Exercise of derivative security | Oct 29, 2026 | 134,776 |