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

Parallax Volatility Advisers, L.P. currently holds 82.1K shares with a market value of $7.8M. It started holding BSX on 2024-09-30. At its peak, it held 185.7K shares on 2025-03-31. Its highest holding value was $18.7M on 2025-03-31. At its lowest, it held 55.2K shares on 2025-09-30, with a value of $5.4M on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 12.4K. In the recent year, Parallax Volatility Advisers, L.P. has decreased its shares by 99.7K.

It has also owned 700 contracts of calls, with the market value of the underlying securities totaling $6.7M on 2024-09-30. At its peak, it held 892 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $7.5M on 2024-09-30. At its lowest, it held 250 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $2.4M on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 450 contracts. In the recent year, Parallax Volatility Advisers, L.P. has decreased its holdings by 90 contracts.

It has also owned 2.6K contracts of puts, with the market value of the underlying securities totaling $24.9M on 2024-09-30. At its peak, it held 2.6K contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $24.9M on 2025-12-31. At its lowest, it held 527 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $4.4M on 2024-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 2.1K contracts.