MARSHALL WACE, LLP's ownership history for REGN

MARSHALL WACE, LLP currently holds 386.9K shares with a market value of $217.5M. It started holding REGN on 2024-09-30. At its peak, it held 386.9K shares on 2025-09-30. Its highest holding value was $217.5M on 2025-09-30. At its lowest, it held 1.4K shares on 2025-03-31, with a value of $887.9K on 2025-03-31. In the recent 180 days, MARSHALL WACE, LLP has increased its shares by 385.5K. In the recent year, MARSHALL WACE, LLP has increased its shares by 252.9K.

It has also owned 14 contracts of calls, with the market value of the underlying securities totaling $787.2K on 2025-03-31. At its peak, it held 365 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $23.1M on 2025-03-31. At its lowest, it held 14 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $787.2K on 2025-09-30.

It has also owned 8 contracts of puts, with the market value of the underlying securities totaling $449.8K on 2025-09-30. At its peak, it held 8 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $449.8K on 2025-09-30. At its lowest, it held 8 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $449.8K on 2025-09-30.