Parallax Volatility Advisers, L.P.'s ownership history for REGN

Parallax Volatility Advisers, L.P. currently holds 321 shares with a market value of $247.8K. It started holding REGN on 2024-09-30. At its peak, it held 12.1K shares on 2024-09-30. Its highest holding value was $12.8M on 2024-09-30. At its lowest, it held 321 shares on 2025-12-31, with a value of $247.8K on 2025-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its shares by 11.8K.

It has also owned 17 contracts of calls, with the market value of the underlying securities totaling $1.2M on 2024-09-30. At its peak, it held 17 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $1.8M on 2024-09-30. At its lowest, it held 17 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $1.2M on 2024-12-31.

It has also owned 13 contracts of puts, with the market value of the underlying securities totaling $1.0M on 2024-09-30. At its peak, it held 170 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $10.8M on 2025-03-31. At its lowest, it held 13 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $1.0M on 2025-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 81 contracts.