Who Owns BIOGEN INC (BIIB)? -- Institutional Holders (2026-06-30)

Name: BIOGEN INC (BIIB) Institutional Holders (2026-06-30)
Creator: ko.io

1,123 institutions reported holding $32.05B of BIOGEN INC (BIIB) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($3.94B), VANGUARD GROUP INC ($3.84B), BlackRock, Inc. ($3.45B), PRIMECAP MANAGEMENT CO/CA/ ($3.27B), STATE STREET CORP ($1.59B). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	FMR LLC	$3.94B	18.2M	Added
2	VANGUARD GROUP INC	$3.84B	17.8M	Added
3	BlackRock, Inc.	$3.45B	16.0M	Added
4	PRIMECAP MANAGEMENT CO/CA/	$3.27B	15.2M	Added
5	STATE STREET CORP	$1.59B	7.3M	Added
6	GEODE CAPITAL MANAGEMENT, LLC	$957.9M	4.4M	Added
7	WELLINGTON MANAGEMENT GROUP LLP	$673.6M	3.1M	Added
8	NORGES BANK	$557.4M	2.6M	Trimmed
9	MORGAN STANLEY	$521.0M	2.4M	Added
10	AQR CAPITAL MANAGEMENT LLC	$416.9M	1.9M	Added
11	JPMORGAN CHASE & CO	$394.9M	1.8M	Trimmed
12	Invesco Ltd.	$389.8M	1.8M	Added
13	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$356.0M	1.6M	Added
14	UBS Group AG	$331.3M	1.5M	Added
15	Amundi	$327.7M	1.5M	Added
16	Legal & General Group Plc	$322.6M	1.5M	Added
17	NORTHERN TRUST CORP	$308.9M	1.4M	Trimmed
18	GOLDMAN SACHS GROUP INC	$274.5M	1.3M	Added
19	Boston Partners	$272.8M	1.3M	Trimmed
20	UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC	$271.2M	1.3M	Trimmed
21	DIMENSIONAL FUND ADVISORS LP	$248.2M	1.1M	Added
22	Pacer Advisors, Inc.	$242.6M	1.1M	Added
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	$241.5M	1.1M	Trimmed
24	Sixth Street Partners Management Company, L.P.	$241.5M	1.1M	New
25	BANK OF AMERICA CORP /DE/	$241.2M	1.1M	Trimmed

Source: SEC Form 13F filings · as of 2026-06-30