Harvey Partners, LLC's ownership history for MKSI


Harvey Partners, LLC currently holds 243.4K shares with a market value of $55.9M. It started holding MKSI on 2024-09-30. At its peak, it held 289.2K shares on 2025-12-31. Its highest holding value was $55.9M on 2026-03-31. At its lowest, it held 170.0K shares on 2024-09-30, with a value of $18.5M on 2024-09-30. In the recent 180 days, Harvey Partners, LLC has decreased its shares by 45.6K. In the recent year, Harvey Partners, LLC has decreased its shares by 17.6K.


Harvey Partners, LLC's ownership history for MKSI