EMERALD ADVISERS, LLC's ownership history for BIIB

EMERALD ADVISERS, LLC currently holds 6.0K shares with a market value of $1.1M. It started holding BIIB on 2025-06-30. At its peak, it held 6.2K shares on 2025-09-30. Its highest holding value was $1.1M on 2026-03-31. At its lowest, it held 3.2K shares on 2025-06-30, with a value of $399.5K on 2025-06-30. In the recent 180 days, EMERALD ADVISERS, LLC has decreased its shares by 220.