MKS Inc. MKSI
208.47 USD +16.20 (+8.42%)
Nov 9, 2026, 11:49 AM EST
197.10 Day range 209.30
138.49 52-week range 444.80
- YTD
- +30.46%
- 1 year
- +34.67%
Ownership
Held by insiders 0.48%
Held by institutions 109.08%
Float held by institutions 109.61%
Institutions 985
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 10.25% | 6,930,030 | 1.33B | Jun 29, 2026 |
| Invesco Ltd. | 6.89% | 4,661,664 | 896.30M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.48% | 3,707,327 | 712.81M | Jun 29, 2026 |
| JPMORGAN CHASE & CO | 4.99% | 3,373,844 | 648.69M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.51% | 3,049,560 | 586.34M | Jun 29, 2026 |
| State Street Corporation | 3.16% | 2,134,663 | 410.43M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| SmallCap World Fund Inc | 3.61% | 2,437,899 | 468.73M | Sep 29, 2026 |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 3.56% | 2,408,565 | 463.09M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.17% | 2,143,925 | 412.21M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.29% | 1,548,875 | 297.80M | Jun 29, 2026 |
| AIM Sector Funds (Invesco Sector Funds)-Invesco Small Cap Value Fund | 1.70% | 1,146,556 | 220.45M | Jul 30, 2026 |
| AIM Sector Fd.s -INVESCO VALUE OPPORTUNITIES Fd. | 1.31% | 882,467 | 169.67M | 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 |