MARSHALL WACE, LLP's ownership history for BSX

MARSHALL WACE, LLP currently holds 3.6M shares with a market value of $226.6M. It started holding BSX on 2024-09-30. At its peak, it held 9.8M shares on 2025-09-30. Its highest holding value was $956.7M on 2025-09-30. At its lowest, it held 3.0M shares on 2025-12-31, with a value of $226.6M on 2026-03-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its shares by 6.2M. In the recent year, MARSHALL WACE, LLP has decreased its shares by 4.3M.

It has also owned 1 contracts of calls, with the market value of the underlying securities totaling $6.3K on 2026-03-31. At its peak, it held 1 contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $6.3K on 2026-03-31. At its lowest, it held 1 contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $6.3K on 2026-03-31.

It has also owned 2 contracts of puts, with the market value of the underlying securities totaling $12.6K on 2025-12-31. At its peak, it held 5.0K contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $47.7M on 2025-12-31. At its lowest, it held 2 contracts of puts on 2026-03-31 and it owned puts with the market value of the underlying securities totaling $12.6K on 2026-03-31.