WESTFIELD CAPITAL MANAGEMENT CO LP's ownership history for MKSI

WESTFIELD CAPITAL MANAGEMENT CO LP currently holds 1.0M shares with a market value of $240.6M. It started holding MKSI on 2024-09-30. At its peak, it held 1.0M shares on 2026-03-31. Its highest holding value was $240.6M on 2026-03-31. At its lowest, it held 24.1K shares on 2024-09-30, with a value of $2.6M on 2024-09-30. In the recent 180 days, WESTFIELD CAPITAL MANAGEMENT CO LP has increased its shares by 723.4K.