BIIB — Biogen Inc Institutional Holders · Q3 2026

Name: Who Owns BIIB? 42 Institutions Hold $158M (Q3 2026)
Creator: ko.io

Who owns Biogen Inc (BIIB)? 42 institutions reported holding $158.14M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Artemis Investment Management LLP ($131.4M), Mn Services Vermogensbeheer B.V. ($9.6M), Insight Wealth Strategies, LLC ($7.7M).

Rank	Institution	Value	Shares	Change
1	Artemis Investment Management LLP	$131.4M	581,774	Added
2	Mn Services Vermogensbeheer B.V.	$9.6M	42,300	Hold
3	Insight Wealth Strategies, LLC	$7.7M	34,161	Trimmed
4	GAMMA Investing LLC	$1.5M	6,832	Added
5	STABLEFORD CAPITAL II LLC	$1.5M	6,731	Trimmed
6	Farther Finance Advisors, LLC	$845,247	3,742	Added
7	Wedmont Private Capital	$757,297	3,467	Added
8	TOMPKINS FINANCIAL CORP	$496,936	2,200	Hold
9	Boltwood Capital Management	$447,694	1,982	Added
10	Everhart Financial Group, Inc.	$415,619	1,840	Hold
11	RIVERSEDGE ADVISORS, LLC	$398,678	1,765	Added
12	CX Institutional	$385,000	1,704	Added
13	Versant Capital Management, Inc	$357,116	1,581	Added
14	Investors Research Corp	$351,921	1,558	Trimmed
15	Valeo Financial Advisors, LLC	$297,247	1,316	Added
16	Financial Symmetry Inc	$281,787	1,248	Hold
17	CoreCap Advisors, LLC	$238,755	1,057	Added
18	ACIMA PRIVATE WEALTH, LLC	$188,384	834	Trimmed
19	EASTERN BANK	$179,800	796	Hold
20	MassMutual Private Wealth & Trust, FSB	$147,500	653	Trimmed
21	Polaris Financial Partners	$109,000	477	New
22	ARMSTRONG ADVISORY GROUP, INC	$100,065	443	Hold
23	Trust Co	$62,569	277	Trimmed
24	ELEVATION WEALTH PARTNERS, LLC	$50,146	222	Trimmed
25	GoalVest Advisory LLC	$44,724	198	Hold

Source: SEC Form 13F filings · as of 2026-09-30