Position history for WESTFIELD CAPITAL MANAGEMENT CO LP's holdings in MKS INC.
WESTFIELD CAPITAL MANAGEMENT CO LP holds 839,773 shares of MKSI (MKS INC.), worth $134.2M as of 2025-Q4. The position was increased (++159.7% shares). MKSI represents 0.6% of WESTFIELD CAPITAL MANAGEMENT CO LP's portfolio.
Current Value
$134.2M
Current Shares
839,773
Total Value Change
+$131M
Total Shares Change
+815,673
Increased |
| 839,773 |
+159.7% |
| $134.2M |
| 0.6% |
| $161.82 |
69 |
| 2025-Q3 | New | 323,364 | - | $40M | 0.2% | $121.95 | 48 |
| 2024-Q4 | Exited | 0 | -100.0% | $0 | 0.0% | $103.20 | 0 |
| 2024-Q3 | Unchanged | 24,100 | 0.0% | $2.6M | 0.0% | $109.18 | 0 |
| 2024-Q2 | Decreased | 24,100 | -96.1% | $3.1M | 0.0% | $129.01 | 0 |