SPHERA FUNDS MANAGEMENT LTD.'s ownership history for BIIB

SPHERA FUNDS MANAGEMENT LTD. currently holds 94.7K shares with a market value of $16.7M. It started holding BIIB on 2024-09-30. At its peak, it held 94.7K shares on 2025-12-31. Its highest holding value was $16.7M on 2025-12-31. At its lowest, it held 22.7K shares on 2024-12-31, with a value of $3.1M on 2025-03-31. In the recent 180 days, SPHERA FUNDS MANAGEMENT LTD. has increased its shares by 12.0K. In the recent year, SPHERA FUNDS MANAGEMENT LTD. has increased its shares by 72.0K.