MARSHALL WACE, LLP's ownership history for IBKR

MARSHALL WACE, LLP currently holds 877.8K shares with a market value of $58.9M. 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 $58.9M on 2026-03-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its shares by 2.6M. In the recent year, MARSHALL WACE, LLP has decreased its shares by 317.1K.

It has also owned 42 contracts of calls, with the market value of the underlying securities totaling $281.7K 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 42 contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $281.7K on 2026-03-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its holdings by 278 contracts.

It has also owned 58 contracts of puts, with the market value of the underlying securities totaling $389.0K 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 58 contracts of puts on 2026-03-31 and it owned puts with the market value of the underlying securities totaling $389.0K on 2026-03-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its holdings by 354 contracts.