Guru Ownership Trend
Guru Analysis for Biogen Inc. (BIIB)
Biogen Inc. (BIIB), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q1 2026, a total of 12 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $791.18 M.
Top institutional holders include Cliff Asness and Steven Cohen.
Institutional sentiment is currently Bearish. This is evidenced by a $412.49 M net outflow during the quarter.
Recent activity highlights John Hussman who opened a new position. Conversely, Larry Robbins reduced exposure by 80.4%.
Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown (Q1 2026)
Guru Consensus (Q1 2026)
FAQs for Biogen Inc. (BIIB)
Major holders include Cliff Asness ($346.24 M), Steven Cohen ($148.43 M), Ken Fisher ($57.31 M). According to the latest reported data, 12 tracked investment managers collectively hold approximately 3.95 M shares.
According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $412.49 M, with 4 managers increasing positions and 8 managers reducing holdings.
During the most recent reporting period, 8 managers trimmed their positions, while 0 fully exited BIIB. The total reported sell value was $492.25 M.
Yes, 1 managers opened new positions in BIIB, and 3 increased their existing holdings. The total reported buy value was $79.76 M.
