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BIIB · CUSIP 09062X103

BIOGEN INC

Reported by 3 of 79 curated managers in Q2 2026, in the holdings snapshot last exported 2026-10-26.

Managers holding
3
Average portfolio weight
2.1%
Combined reported value
$126.6M
Research group
79

3 of the 79 superinvestors Shameless Cloning tracks reported BIOGEN INC (BIIB) in their Q2 2026 13F filings, worth $126.6M combined, at an average 2.1% of their portfolios. The largest positions by portfolio weight belong to Hillman Capital Management (3.8%), Samantha McLemore (2.0%), Sarah Ketterer (0.7%).

Reporting managers

This is a historical 13F snapshot, not a live shareholder register. The count covers all matched managers; dashboard rankings use only those with at least 95% coverage. Reported value is measured at filing quarter-end, not at today's price.

Managers reporting BIOGEN INC
Manager / SEC filer% of portfolioReported value
Hillman Capital ManagementHillman Capital Management, Inc.3.8%$5.2M
Samantha McLemorePatient Capital Management, LLC2.0%$61.3M
Sarah KettererCAUSEWAY CAPITAL MANAGEMENT LLC0.7%$60.1M