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Biogen Idec shares owned by Greykasell Wealth Strategies

Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Greykasell Wealth Strategies from 13F filings

Historical chart of Greykasell Wealth Strategies investment in Biogen Idec

Tip: Access up to 7 years of quarterly data

All positions including Biogen Idec held by Greykasell Wealth Strategies consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Biogen Idec by Greykasell Wealth Strategies

Quarter filed Position value Share count Share price at filing
2025-09-30 $54k 385 140.08
2025-06-30 $63k 505 125.59
2025-03-31 $27k 198 136.73

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Top funds holding Biogen Idec

Vanguard Group
PRIMECAP Management Company
BlackRock
State Street Corporation
Point72 Asset Management
Wellington Management Company
Geode Capital Management
Invesco
Susquehanna International
Morgan Stanley
AQR Capital Management
Legal & General Group
Northern Trust
Millennium Management
Pacer Advisors

View all funds holding Biogen Idec