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Biogen Idec shares owned by GFS Advisors

Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by GFS Advisors from 13F filings

Historical chart of GFS Advisors investment in Biogen Idec

Tip: Access up to 7 years of quarterly data

All positions including Biogen Idec held by GFS Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Biogen Idec by GFS Advisors

Quarter filed Position value Share count Share price at filing
2026-03-31 $1.9M 24k 77.59

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Top funds holding Biogen Idec

Vanguard Group
BlackRock
PRIMECAP Management Company
Vanguard Capital Management
FMR
State Street Corporation
Vanguard Portfolio Management
Geode Capital Management
Wellington Management Company
Susquehanna International
Morgan Stanley
AQR Capital Management
Invesco
Robeco Investment Management
Barclays

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