MARSHALL WACE, LLP's ownership history for MASI

MARSHALL WACE, LLP currently holds 219.3K shares with a market value of $28.5M. It started holding MASI on 2024-12-31. At its peak, it held 219.3K shares on 2025-12-31. Its highest holding value was $28.5M on 2025-12-31. At its lowest, it held 7.2K shares on 2025-06-30, with a value of $1.2M on 2025-06-30. In the recent 180 days, MARSHALL WACE, LLP has increased its shares by 212.1K. In the recent year, MARSHALL WACE, LLP has increased its shares by 206.0K.