MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s ownership history for BIIB


MASSACHUSETTS FINANCIAL SERVICES CO /MA/ currently holds 720.6K shares with a market value of $133.7M. It started holding BIIB on 2024-09-30. At its peak, it held 732.4K shares on 2024-12-31. Its highest holding value was $137.9M on 2024-09-30. At its lowest, it held 708.4K shares on 2025-03-31, with a value of $90.1M on 2025-06-30. In the recent 180 days, MASSACHUSETTS FINANCIAL SERVICES CO /MA/ has decreased its shares by 8.7K. In the recent year, MASSACHUSETTS FINANCIAL SERVICES CO /MA/ has increased its shares by 12.2K.


MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s ownership history for BIIB