MARSHALL WACE, LLP's ownership history for MCK

MARSHALL WACE, LLP currently holds 105.0K shares with a market value of $86.1M. It started holding MCK on 2024-09-30. At its peak, it held 391.7K shares on 2025-03-31. Its highest holding value was $263.6M on 2025-03-31. At its lowest, it held 600 shares on 2024-09-30, with a value of $296.7K on 2024-09-30. In the recent 180 days, MARSHALL WACE, LLP has decreased its shares by 286.7K. In the recent year, MARSHALL WACE, LLP has increased its shares by 104.4K.

It has also owned 3 contracts of calls, with the market value of the underlying securities totaling $246.1K on 2025-09-30. At its peak, it held 4 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $309.0K on 2025-09-30. At its lowest, it held 3 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $246.1K on 2025-12-31.

It has also owned 700 contracts of puts, with the market value of the underlying securities totaling $57.4M on 2025-09-30. At its peak, it held 700 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $57.4M on 2025-12-31. At its lowest, it held 500 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $38.6M on 2025-09-30.