MARSHALL WACE, LLP's ownership history for IBB

MARSHALL WACE, LLP currently holds 4.8K shares with a market value of $817.7K. It started holding IBB on 2025-06-30. At its peak, it held 4.8K shares on 2025-12-31. Its highest holding value was $817.7K on 2025-12-31. At its lowest, it held 1.1K shares on 2025-06-30, with a value of $145.1K on 2025-06-30.

It has also owned 189 contracts of calls, with the market value of the underlying securities totaling $3.2M on 2025-06-30. At its peak, it held 787 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $11.4M on 2025-09-30. At its lowest, it held 48 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $607.2K on 2025-06-30. In the recent 180 days, MARSHALL WACE, LLP has increased its holdings by 141 contracts.

It has also owned 3 contracts of puts, with the market value of the underlying securities totaling $50.6K on 2024-09-30. At its peak, it held 333 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $4.8M on 2025-09-30. At its lowest, it held 3 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $50.6K on 2025-12-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its holdings by 19 contracts.