Sofinnova Investments, Inc.'s ownership history for BIIB

Sofinnova Investments, Inc. currently holds 229.5K shares with a market value of $42.1M. It started holding BIIB on 2026-03-31. At its peak, it held 229.5K shares on 2026-03-31. Its highest holding value was $42.1M on 2026-03-31. At its lowest, it held 229.5K shares on 2026-03-31, with a value of $42.1M on 2026-03-31.