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Biogen Idec shares owned by BlackRock

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

Historical chart of BlackRock investment in Biogen Idec

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

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Quarterly reported holdings in Biogen Idec by BlackRock

Quarter filed Position value Share count Share price at filing
2024-09-30 $3.0B 15M 193.84