Biogen Inc (BIIB) Institutional Holdings & 13F Data (Q2 2026)

BIIB ranks #438 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

1064 institutions disclose a position in BIIB, but none treat it as a major bet — even Primecap Management Co/ca/, its most concentrated holder, allocates just 1.9% of its own portfolio to it.

Artemis Investment Management LLP has added to its BIIB position for two straight quarters, increasing it by $26.6M to reach $131.4M today.

Premier Path Wealth Partners, LLC has trimmed its BIIB position for two straight quarters, cutting it by $179.9K while still holding $465.9K.

BIIB is down 1.1% today, but institutions show net buying of $9.7B this quarter — a divergence between today's price move and the underlying institutional flow.

BIIB posted net income of $1.4B over the trailing twelve months, and currently trades at a P/E of 24.9.

• Profitable — net income of $1.4B over the trailing twelve months
• Revenue grew 1.2% year over year
• Net income declined year over year, from $1.5B to $1.4B
• Generated $2.2B in positive operating cash flow
• Current ratio of 2.68x — enough short-term assets to cover short-term liabilities
• Liabilities run 0.61x equity — within a conventional range