Harvey Partners, LLC's ownership history for MKSI

Harvey Partners, LLC currently holds 289.0K shares with a market value of $35.8M. It started holding MKSI on 2024-09-30. At its peak, it held 289.0K shares on 2025-09-30. Its highest holding value was $35.8M on 2025-09-30. 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 increased its shares by 28.0K. In the recent year, Harvey Partners, LLC has increased its shares by 119.0K.