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Biogen Idec shares owned by CalPERS

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

Historical chart of CalPERS investment in Biogen Idec

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

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Quarterly reported holdings in Biogen Idec by CalPERS

Quarter filed Position value Share count Share price at filing
2013-03-31 $114M 593k 192.91
2012-12-31 $86M 589k 146.67
2012-09-30 $94M 632k 149.23
2012-06-30 $97M 669k 144.38
2012-03-31 $85M 672k 125.97
2011-12-31 $75M 681k 110.05
2011-06-30 $69M 646k 106.92
2011-03-31 $48M 659k 73.39