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

Parallax Volatility Advisers, L.P. currently holds 194.8K shares with a market value of $19.5M. It started holding XBI on 2024-09-30. At its peak, it held 316.0K shares on 2024-12-31. Its highest holding value was $28.5M on 2024-12-31. At its lowest, it held 1.9K shares on 2025-06-30, with a value of $154.4K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 179.5K. In the recent year, Parallax Volatility Advisers, L.P. has increased its shares by 142.6K.

It has also owned 718 contracts of calls, with the market value of the underlying securities totaling $7.2M on 2024-09-30. At its peak, it held 6.4K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $63.2M on 2024-09-30. At its lowest, it held 76 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $630.3K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 516 contracts. In the recent year, Parallax Volatility Advisers, L.P. has decreased its holdings by 5.7K contracts.

It has also owned 1.0K contracts of puts, with the market value of the underlying securities totaling $10.2M on 2024-09-30. At its peak, it held 17.1K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $154.1M on 2024-12-31. At its lowest, it held 1.0K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $10.2M on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 341 contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 179.9K contracts.