CSS LLC/IL's ownership history for WDC

CSS LLC/IL currently holds 38.8K shares with a market value of $4.7M. It started holding WDC on 2024-12-31. At its peak, it held 38.8K shares on 2025-09-30. Its highest holding value was $4.7M on 2025-09-30. At its lowest, it held 2.1K shares on 2024-12-31, with a value of $126.4K on 2024-12-31. In the recent 180 days, CSS LLC/IL has increased its shares by 21.1K.

It has also owned 146 contracts of calls, with the market value of the underlying securities totaling $934.3K on 2025-06-30. At its peak, it held 146 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $934.3K on 2025-06-30. At its lowest, it held 146 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $934.3K on 2025-06-30.

It has also owned 100 contracts of puts, with the market value of the underlying securities totaling $1.6M on 2024-09-30. At its peak, it held 100 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $1.6M on 2025-09-30. At its lowest, it held 100 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $404.3K on 2025-03-31. In the recent 180 days, CSS LLC/IL has increased its holdings by 0 contracts. In the recent year, CSS LLC/IL has increased its holdings by 38.7K contracts.