Walleye Capital LLC's ownership history for BIIB

Walleye Capital LLC currently holds 35.3K shares with a market value of $6.5M. It started holding BIIB on 2024-12-31. At its peak, it held 69.9K shares on 2025-03-31. Its highest holding value was $9.6M on 2025-03-31. At its lowest, it held 1.6K shares on 2025-12-31, with a value of $229.3K on 2025-09-30. In the recent 180 days, Walleye Capital LLC has increased its shares by 33.7K. In the recent year, Walleye Capital LLC has decreased its shares by 34.6K.

It has also owned 136 contracts of calls, with the market value of the underlying securities totaling $2.5M on 2024-12-31. At its peak, it held 449 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $7.9M on 2025-12-31. At its lowest, it held 73 contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $1.1M on 2024-12-31. In the recent 180 days, Walleye Capital LLC has decreased its holdings by 35 contracts. In the recent year, Walleye Capital LLC has decreased its holdings by 168 contracts.

It has also owned 187 contracts of puts, with the market value of the underlying securities totaling $3.4M on 2024-12-31. At its peak, it held 500 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $8.8M on 2025-12-31. At its lowest, it held 149 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $2.3M on 2024-12-31. In the recent 180 days, Walleye Capital LLC has decreased its holdings by 67 contracts. In the recent year, Walleye Capital LLC has increased its holdings by 34.9K contracts.