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Biogen Idec shares owned by Peak6

Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Peak6 from 13F filings

Historical chart of Peak6 investment in Biogen Idec

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All positions including Biogen Idec held by Peak6 consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Biogen Idec by Peak6

Quarter filed Position value Share count Share price at filing
2025-09-30 $29M 208k 140.08
2025-06-30 $21M 169k 125.59
2025-03-31 $5.3M 39k 136.84
2024-12-31 $3.3M 22k 152.92

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View all positions for Peak6

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