MILLENNIUM MANAGEMENT LLC's ownership history for BLK

MILLENNIUM MANAGEMENT LLC currently holds 353.9K shares with a market value of $412.6M. It started holding BLK on 2024-09-30. At its peak, it held 353.9K shares on 2025-09-30. Its highest holding value was $412.6M on 2025-09-30. At its lowest, it held 25.2K shares on 2025-06-30, with a value of $26.4M on 2025-06-30. In the recent 180 days, MILLENNIUM MANAGEMENT LLC has increased its shares by 126.5K.

It has also owned 205 contracts of calls, with the market value of the underlying securities totaling $23.9M on 2024-12-31. At its peak, it held 268 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $25.4M on 2025-03-31. At its lowest, it held 152 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $15.6M on 2024-12-31. In the recent 180 days, MILLENNIUM MANAGEMENT LLC has decreased its holdings by 63 contracts.

It has also owned 537 contracts of puts, with the market value of the underlying securities totaling $62.6M on 2024-12-31. At its peak, it held 537 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $62.6M on 2025-09-30. At its lowest, it held 46 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $4.7M on 2024-12-31. In the recent 180 days, MILLENNIUM MANAGEMENT LLC has increased its holdings by 65 contracts.