Qube Research & Technologies Ltd's ownership history for BRK.B

Qube Research & Technologies Ltd currently holds 479.8K shares with a market value of $241.2M. It started holding BRK.B on 2024-09-30. At its peak, it held 715.5K shares on 2025-06-30. Its highest holding value was $347.6M on 2025-06-30. At its lowest, it held 387.9K shares on 2024-12-31, with a value of $175.8M on 2024-12-31. In the recent 180 days, Qube Research & Technologies Ltd has increased its shares by 91.9K.

It has also owned 1.5K contracts of calls, with the market value of the underlying securities totaling $74.6M on 2024-09-30. At its peak, it held 2.3K contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $112.4M on 2025-06-30. At its lowest, it held 460 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $21.2M on 2024-09-30. In the recent 180 days, Qube Research & Technologies Ltd has increased its holdings by 238 contracts. In the recent year, Qube Research & Technologies Ltd has increased its holdings by 1.0K contracts.

It has also owned 1.9K contracts of puts, with the market value of the underlying securities totaling $97.5M on 2024-09-30. At its peak, it held 3.8K contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $203.3M on 2025-03-31. At its lowest, it held 1.8K contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $84.1M on 2024-12-31. In the recent 180 days, Qube Research & Technologies Ltd has decreased its holdings by 1.9K contracts. In the recent year, Qube Research & Technologies Ltd has increased its holdings by 478.0K contracts.