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BIIB position history

The shares of Biogen (BIIB) that GLENVIEW CAPITAL MANAGEMENT, LLC reported in each quarter’s 13F.

Equity, COM

Shares held by quarter

New Add Reduce Exit

  1. 2025 Q4: 290,605 shares, $51M, 1.0% of portfolio, New
  2. 2026 Q1: 57,019 shares, $10M, 0.26% of portfolio, Reduce −80.4%
  3. 2026 Q2: not held, Exit
Holdings date Value % of holdings Shares Filing date All 13F holders