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

Parallax Volatility Advisers, L.P. currently holds 0 shares with a market value of $0. It started holding MKSI on . At its peak, it held -Infinity shares on . Its highest holding value was $-Infinity on . At its lowest, it held InfinityB shares on , with a value of $InfinityB on .

It has also owned 150 contracts of calls, with the market value of the underlying securities totaling $2.4M on 2025-12-31. At its peak, it held 150 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $2.4M on 2025-12-31. At its lowest, it held 150 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $2.4M on 2025-12-31.