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Biogen Idec shares owned by Samlyn Capital

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

Historical chart of Samlyn Capital investment in Biogen Idec

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

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Quarterly reported holdings in Biogen Idec by Samlyn Capital

Quarter filed Position value Share count Share price at filing
2012-03-31 $33M 259k 126.00
2011-12-31 $33M 297k 110.05
2011-09-30 $9.1M 98k 93.15

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Top funds holding Biogen Idec

PRIMECAP Management Company
Vanguard Group
Wellington Management Company
Jpmorgan Chase & Co
ClearBridge Advisors
Legal & General Group
T. Rowe Price Associates
Norges Bank Investment Management
Dimensional Fund Advisors
Van Eck Associates Corp.
Bank of New York Mellon
Amundi
Deutsche Bank Aktiengesellschaft
Goldman Sachs Group
Ubs Global Asset Management Americas

View all funds holding Biogen Idec