Biogen Finalizes Apellis Takeover - Takeaways - MDSpire

Biogen Finalizes Apellis Takeover

  • June 8, 2026

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  • 1

    Biogen has acquired Apellis Pharmaceuticals, enhancing its portfolio with two commercial drugs and expanding into nephrology.

  • 2

    Apellis is now a wholly owned subsidiary of Biogen, following a successful tender offer for approximately 82.4% of its shares.

  • 3

    Apellis shareholders will receive $41 per share in cash, plus a contingent value right worth up to $4 per share based on future sales.

  • 4

    The acquisition is expected to boost Biogen's earnings growth and become accretive to non-GAAP diluted earnings per share by 2027.

  • 5

    Biogen aims to leverage Apellis' infrastructure to support the future launch of felzartamab for kidney transplant patients.

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