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Biogen Idec shares owned by Williamson Legacy Group

Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Williamson Legacy Group from 13F filings

Historical chart of Williamson Legacy Group investment in Biogen Idec

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All positions including Biogen Idec held by Williamson Legacy Group consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Biogen Idec by Williamson Legacy Group

Quarter filed Position value Share count Share price at filing
2026-06-30 $1.1M 5.1k 216.06
2024-06-30 $866k 3.7k 231.82

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View all positions for Williamson Legacy Group

Top funds holding Biogen Idec

FMR
BlackRock
PRIMECAP Management Company
Vanguard Capital Management
State Street Corporation
Vanguard Portfolio Management
Geode Capital Management
Wellington Management Company
Norges Bank Investment Management
Morgan Stanley
AQR Capital Management
Jpmorgan Chase & Co
Invesco
Susquehanna International
UBS Group

View all funds holding Biogen Idec