600 institutions reported holding $21.49B of BIOGEN INC (RBA) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($3.03B), BlackRock, Inc. ($1.82B), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ($1.40B), EdgePoint Investment Group Inc. ($1.11B), FIL Ltd ($1.02B). Source: SEC Form 13F.
来源:SEC 13F 申报文件 · 截至 2026-06-30