CI INVESTMENTS INC.'s ownership history for BIIB

CI INVESTMENTS INC. currently holds 4.1K shares with a market value of $747.6K. It started holding BIIB on 2024-09-30. At its peak, it held 7.2K shares on 2024-12-31. Its highest holding value was $773.8K on 2025-12-31. At its lowest, it held 4.1K shares on 2026-03-31, with a value of $624 on 2025-06-30. In the recent 180 days, CI INVESTMENTS INC. has decreased its shares by 604. In the recent year, CI INVESTMENTS INC. has decreased its shares by 2.5K.