Walleye Trading LLC's ownership history for BRK.B

Walleye Trading LLC currently holds 173.6K shares with a market value of $87.3M. It started holding BRK.B on 2024-12-31. At its peak, it held 229.3K shares on 2024-12-31. Its highest holding value was $103.9M on 2024-12-31. At its lowest, it held 100.0K shares on 2025-06-30, with a value of $48.6M on 2025-06-30. In the recent 180 days, Walleye Trading LLC has decreased its shares by 55.7K.

It has also owned 3.5K contracts of calls, with the market value of the underlying securities totaling $177.5M on 2024-12-31. At its peak, it held 5.4K contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $288.3M on 2025-03-31. At its lowest, it held 3.5K contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $0 on 2025-06-30. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 1.9K contracts.

It has also owned 1.9K contracts of puts, with the market value of the underlying securities totaling $96.3M on 2024-12-31. At its peak, it held 2.3K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $113.8M on 2025-03-31. At its lowest, it held 1.6K contracts of puts on 2025-06-30 and it owned puts with the market value of the underlying securities totaling $0 on 2025-06-30. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 220 contracts.