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

Parallax Volatility Advisers, L.P. currently holds 148.4K shares with a market value of $3.6M. It started holding PFE on 2024-09-30. At its peak, it held 565.2K shares on 2024-12-31. Its highest holding value was $15.0M on 2024-12-31. At its lowest, it held 118.8K shares on 2025-03-31, with a value of $3.0M on 2025-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its shares by 416.7K.

It has also owned 10.3K contracts of calls, with the market value of the underlying securities totaling $26.2M on 2024-09-30. At its peak, it held 10.3K contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $26.2M on 2025-09-30. At its lowest, it held 4.1K contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $10.0M on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 4.3K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 4.4K contracts.

It has also owned 2.2K contracts of puts, with the market value of the underlying securities totaling $5.5M on 2024-09-30. At its peak, it held 16.4K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $43.6M on 2024-12-31. At its lowest, it held 2.2K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $5.5M on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 5.4K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 135.9K contracts.