Quantum Portfolio Management LLC's ownership history for MKSI

Quantum Portfolio Management LLC currently holds 2.9K shares with a market value of $461.5K. It started holding MKSI on 2025-09-30. At its peak, it held 4.8K shares on 2025-09-30. Its highest holding value was $589.3K on 2025-09-30. At its lowest, it held 2.9K shares on 2025-12-31, with a value of $461.5K on 2025-12-31.