CHARLES SCHWAB INVESTMENT MANAGEMENT INC's ownership history for BIIB

CHARLES SCHWAB INVESTMENT MANAGEMENT INC currently holds 1.1M shares with a market value of $210.7M. It started holding BIIB on 2024-09-30. At its peak, it held 1.1M shares on 2026-03-31. Its highest holding value was $210.7M on 2026-03-31. At its lowest, it held 913.0K shares on 2024-09-30, with a value of $135.1M on 2025-06-30. In the recent 180 days, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has increased its shares by 26.0K. In the recent year, CHARLES SCHWAB INVESTMENT MANAGEMENT INC has increased its shares by 130.2K.