Cubist Systematic Strategies, LLC's ownership history for WDC

Cubist Systematic Strategies, LLC currently holds 222.0K shares with a market value of $26.7M. It started holding WDC on 2025-06-30. At its peak, it held 222.0K shares on 2025-09-30. Its highest holding value was $26.7M on 2025-09-30. At its lowest, it held 156.6K shares on 2025-06-30, with a value of $10.0M on 2025-06-30.

It has also owned 985 contracts of calls, with the market value of the underlying securities totaling $11.8M on 2024-09-30. At its peak, it held 3.2K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $22.0M on 2024-09-30. At its lowest, it held 122 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $493.2K on 2025-03-31. In the recent 180 days, Cubist Systematic Strategies, LLC has increased its holdings by 863 contracts. In the recent year, Cubist Systematic Strategies, LLC has decreased its holdings by 2.2K contracts.

It has also owned 2.1K contracts of puts, with the market value of the underlying securities totaling $25.5M on 2024-09-30. At its peak, it held 2.1K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $25.5M on 2025-09-30. At its lowest, it held 17 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $68.7K on 2025-03-31. In the recent 180 days, Cubist Systematic Strategies, LLC has increased its holdings by 2.1K contracts. In the recent year, Cubist Systematic Strategies, LLC has increased its holdings by 220.5K contracts.