MARSHALL WACE, LLP's ownership history for ABT

MARSHALL WACE, LLP currently holds 2.0M shares with a market value of $206.5M. It started holding ABT on 2024-09-30. At its peak, it held 2.0M shares on 2026-03-31. Its highest holding value was $206.5M on 2026-03-31. At its lowest, it held 58.5K shares on 2025-12-31, with a value of $7.3M on 2025-12-31. In the recent 180 days, MARSHALL WACE, LLP has increased its shares by 1.9M.

It has also owned 1 contracts of calls, with the market value of the underlying securities totaling $12.5K on 2025-12-31. At its peak, it held 1 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $12.5K on 2025-12-31. At its lowest, it held 1 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $12.5K on 2025-12-31.

It has also owned 3.0K contracts of puts, with the market value of the underlying securities totaling $33.9M on 2024-12-31. At its peak, it held 3.0K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $33.9M on 2024-12-31. At its lowest, it held 3.0K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $33.9M on 2024-12-31.