Greenland Capital Management LP's ownership history for BRK.B

Greenland Capital Management LP currently holds 0 shares with a market value of $0. It started holding BRK.B 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 12 contracts of calls, with the market value of the underlying securities totaling $603.3K on 2024-12-31. At its peak, it held 24 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $1.2M on 2025-06-30. At its lowest, it held 8 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $426.1K on 2025-03-31. In the recent 180 days, Greenland Capital Management LP has increased its holdings by 4 contracts.

It has also owned 32 contracts of puts, with the market value of the underlying securities totaling $1.6M on 2024-12-31. At its peak, it held 32 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $1.6M on 2025-09-30. At its lowest, it held 6 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $272.0K on 2024-12-31. In the recent 180 days, Greenland Capital Management LP has increased its holdings by 26 contracts.