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Biogen Idec shares owned by Diam

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

Historical chart of Diam investment in Biogen Idec

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

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Quarterly reported holdings in Biogen Idec by Diam

Quarter filed Position value Share count Share price at filing
2012-12-31 $5.6M 38k 147.75
2012-09-30 $5.7M 38k 150.70
2012-06-30 $5.5M 39k 140.10
2011-12-31 $5.2M 47k 110.63
2011-06-30 $4.9M 45k 108.97
2011-03-31 $2.9M 41k 71.90