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Biogen Idec shares owned by Koss-Olinger Consulting

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

Historical chart of Koss-Olinger Consulting investment in Biogen Idec

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All positions including Biogen Idec held by Koss-Olinger Consulting consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Biogen Idec by Koss-Olinger Consulting

Quarter filed Position value Share count Share price at filing
2025-09-30 $911k 7.3k 125.55
2025-06-30 $911k 7.3k 125.59
2025-03-31 $999k 7.3k 136.89
2021-03-31 $1.0M 3.6k 279.66