Held by 4 tracked superinvestors.
See BIIB insider (officer/director) trading →Samantha McLemore
Patient Capital Management · as of 2026-06-30
$61,295,674
283,697 shares
Sarah Ketterer
Causeway Capital Management · as of 2026-06-30
$60,125,780
278,283 shares
Samantha McLemore
Patient Capital Management · as of 2026-06-30
$40,921,764
189,400 shares
Hillman Capital Management
Hillman Capital Management · as of 2026-06-30
$5,183,928
23,993 shares
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