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

Parallax Volatility Advisers, L.P. currently holds 1.4K shares with a market value of $82.7K. 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 1.4K shares on 2026-03-31, with a value of $82.7K on 2026-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its shares by 53.8K. In the recent year, Parallax Volatility Advisers, L.P. has decreased its shares by 184.3K.

It has also owned 2.0K contracts of calls, with the market value of the underlying securities totaling $12.0M on 2024-09-30. At its peak, it held 2.0K contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $12.0M on 2026-03-31. 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 1.8K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 1.7K 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.