Boston Partners's ownership history for BIIB

Boston Partners currently holds 1.7M shares with a market value of $302.8M. It started holding BIIB on 2025-12-31. At its peak, it held 1.7M shares on 2025-12-31. Its highest holding value was $302.8M on 2025-12-31. At its lowest, it held 1.7M shares on 2025-12-31, with a value of $302.8M on 2025-12-31.