MKS INC (MKSI) Stock Ownership and Short Interest
USA - NASDAQ:MKSI - US55306N1046 - Common Stock
136.52 USD
-1.23 (-0.89%)
136.52 USD
0 (0%)
| Shares Outstanding | 67.16M |
| Float | 66.73M |
| Float Short Interest Percentage | 7.06% |
| Owners (insider) | 0.41% |
| Owners (institutional) | 113.15% |
| Owners (insider) change | 1.52% |
| Owners (institutional) change | -0.01% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Oct 1, 2025 | Moloney Jacqueline F | Open Market Sale | 300 | 122.14 | $ 36,642.00 |
| Sep 18, 2025 | Schreiner James Alan | Open Market Sale | 838 | 124.00 | $ 103,912.00 |
| Sep 18, 2025 | Henry David Philip | Open Market Sale | 5000 | 130.00 | $ 650,000.00 |
| Sep 2, 2025 | Mora Elizabeth | Open Market Sale | 300 | 99.85 | $ 29,955.00 |
| Aug 18, 2025 | Schreiner James Alan | Option Excercise | 2641 | $ 0.00 | |
| Aug 18, 2025 | Schreiner James Alan | Option Excercise | 1249 | 100.22 | $ 125,174.78 |
| Aug 15, 2025 | Williams John Edward | Option Excercise | 947 | $ 0.00 | |
| Aug 15, 2025 | Williams John Edward | Option Excercise | 308 | 104.73 | $ 32,256.84 |
| Aug 1, 2025 | Moloney Jacqueline F | Open Market Sale | 300 | 92.10 | $ 27,630.00 |
| Jul 7, 2025 | Schreiner James Alan | Open Market Sale | 957 | 102.44 | $ 98,035.08 |
| Jul 3, 2025 | Henry David Philip | Open Market Sale | 2000 | 105.00 | $ 210,000.00 |
| Jun 2, 2025 | Mora Elizabeth | Open Market Sale | 300 | 81.78 | $ 24,534.00 |
| May 12, 2025 | COLELLA GERARD G | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | Mora Elizabeth | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | Moloney Jacqueline F | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | JABRE WISSAM G | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | Donahue Joseph B | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | CANNONE PETER III | Grant | 2479 | $ 0.00 | |
| May 12, 2025 | Batra Raj | Grant | 2479 | $ 0.00 | |
| Apr 17, 2025 | Williams John Edward | Option Excercise | 1740 | $ 0.00 | |
| Apr 17, 2025 | Williams John Edward | Option Excercise | 565 | 63.69 | $ 35,984.85 |
| Apr 15, 2025 | McCarthy Michelle M | Option Excercise | 608 | 68.48 | $ 41,635.84 |
| Apr 15, 2025 | McCarthy Michelle M | Option Excercise | 2074 | $ 0.00 | |
| Mar 3, 2025 | Mora Elizabeth | Open Market Sale | 275 | 92.46 | $ 25,426.50 |
| Mar 3, 2025 | Moloney Jacqueline F | Open Market Sale | 300 | 92.46 | $ 27,738.00 |
| Feb 18, 2025 | COLELLA GERARD G | Open Market Sale | 8000 | 104.53 | $ 836,224.00 |
| Feb 18, 2025 | Henry David Philip | Option Excercise | 8013 | $ 0.00 | |
| Feb 18, 2025 | Henry David Philip | Option Excercise | 2372 | 103.67 | $ 245,905.24 |
| Feb 18, 2025 | Burke Kathleen Flaherty | Option Excercise | 11646 | $ 0.00 | |
| Feb 18, 2025 | Burke Kathleen Flaherty | Option Excercise | 3970 | 103.67 | $ 411,569.90 |
| Feb 18, 2025 | Lee John Tseng-Chung | Option Excercise | 61760 | $ 0.00 | |
| Feb 18, 2025 | Lee John Tseng-Chung | Option Excercise | 27332 | 103.67 | $ 2,833,508.44 |
| Feb 18, 2025 | Williams John Edward | Option Excercise | 2714 | $ 0.00 | |
| Feb 18, 2025 | Williams John Edward | Option Excercise | 901 | 103.67 | $ 93,406.67 |
| Feb 18, 2025 | Taranto Eric Robert | Option Excercise | 5925 | $ 0.00 | |
| Feb 18, 2025 | Taranto Eric Robert | Option Excercise | 1760 | 103.67 | $ 182,459.20 |
| Feb 18, 2025 | Schreiner James Alan | Option Excercise | 8341 | $ 0.00 | |
| Feb 18, 2025 | Schreiner James Alan | Option Excercise | 3648 | 103.67 | $ 378,188.16 |
| Dec 10, 2024 | Moloney Jacqueline F | Open Market Sale | 300 | 114.80 | $ 34,440.00 |
| Dec 6, 2024 | Lee John Tseng-Chung | Option Excercise | 2994 | $ 0.00 | |
| Dec 6, 2024 | Lee John Tseng-Chung | Option Excercise | 2994 | 114.60 | $ 343,112.40 |
| Dec 2, 2024 | Mora Elizabeth | Open Market Sale | 275 | 113.41 | $ 31,187.75 |
| Nov 4, 2024 | JABRE WISSAM G | Grant | 2009 | $ 0.00 |