MARSHALL WACE, LLP's ownership history for IBKR

MARSHALL WACE, LLP currently holds 3.2M shares with a market value of $206.1M. It started holding IBKR on 2024-09-30. At its peak, it held 5.4M shares on 2025-06-30. Its highest holding value was $300.1M on 2025-06-30. At its lowest, it held 511.6K shares on 2024-12-31, with a value of $90.4M on 2024-12-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its shares by 2.2M. In the recent year, MARSHALL WACE, LLP has increased its shares by 2.7M.

It has also owned 170 contracts of calls, with the market value of the underlying securities totaling $1.1M on 2025-09-30. At its peak, it held 320 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $2.2M on 2025-09-30. At its lowest, it held 170 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $1.1M on 2025-12-31.

It has also owned 302 contracts of puts, with the market value of the underlying securities totaling $1.9M on 2025-09-30. At its peak, it held 412 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $2.8M on 2025-09-30. At its lowest, it held 302 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $1.9M on 2025-12-31.