Who owns Biogen Idec Inc option?

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Analyze quarterly positions in Biogen Idec Inc option with up to 7 years of data, all consolidated into one spreadsheet

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Top investors of Biogen Idec Inc option stock

Who bought or sold Biogen Idec Inc option this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
IMC-Chicago 162k $30M 43% Mar 2026
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Simplex Trading 122k $22M 315% Dec 2025
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Group One Trading 14k $2.5M -70% Mar 2026
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