Biogen Inc.

BIIB

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0000875045

SEC filings (opens in a new tab)

In the last 90 days, Biogen Inc. insiders filed 0 open-market purchases and 1 sale; 1,047 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.

13F holders, Q1 2022

Institutional positions in Biogen Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 954; −52 vs. Q4 2021
Shares held: 123.2M; −692.9K (−0.6%) vs. Q4 2021
Total value: $25.9B; −$3.76B (−12.7%) vs. Q4 2021
New holders: 82; 319 more added
Sold out: 134; 389 more reduced

8 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BIIB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 954 institutions

Value heldQ1 2022: $25.9B

Institutions holding BIIB and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,047	$30.7B
Q1 2026	1,015	$24.7B
Q4 2025	1,002	$24.6B
Q3 2025	909	$18.4B
Q2 2025	867	$16.3B
Q1 2025	882	$17.7B
Q4 2024	879	$20.2B
Q3 2024	921	$25.1B
Q2 2024	947	$29.9B
Q1 2024	955	$28.0B
Q4 2023	1,005	$33.3B
Q3 2023	966	$32.2B
Q2 2023	1,009	$36.1B
Q1 2023	1,004	$35.0B
Q4 2022	1,033	$34.6B
Q3 2022	987	$33.0B
Q2 2022	930	$25.0B
Q1 2022	954	$25.9B
Q4 2021	1,014	$29.7B
Q3 2021	1,044	$35.1B
Q2 2021	1,107	$43.6B
Q1 2021	1,096	$35.7B

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2021.

Institutions holding BIIB in Q1 2022
Institution	Shares	Value	% of portfolio	Change in shares	Action
Allen Investment Management LLC	0	$0	0.00%	−2,523−100.0%	Sold out
Pensionfund DSM Netherlands	0	$0	0.00%	−2,400−100.0%	Sold out
Mizuho Markets Cayman LP	0	$0	0.00%	−2,335−100.0%	Sold out
Caxton Associates LP	0	$0	0.00%	−2,332−100.0%	Sold out
BI Asset Management Fondsmaeglerselskab A/S	0	$0	0.00%	−2,271−100.0%	Sold out
Manteio Capital LLC	0	$0	0.00%	−2,198−100.0%	Sold out
Cito Capital Group, LLC	0	$0	0.00%	−2,000−100.0%	Sold out
Gyon Technologies Capital Management, LP	0	$0	0.00%	−1,837−100.0%	Sold out
HBK Sorce Advisory LLC	0	$0	0.00%	−1,813−100.0%	Sold out
Schechter Investment Advisors, LLC	0	$0	0.00%	−1,592−100.0%	Sold out
Jacobs Levy Equity Management, Inc	0	$0	0.00%	−1,588−100.0%	Sold out
Duff & Phelps Investment Management Co	0	$0	0.00%	−1,581−100.0%	Sold out
Agf Investments Inc.	0	$0	0.00%	−1,496−100.0%	Sold out
Winton Group Ltd	0	$0	0.00%	−1,444−100.0%	Sold out
Zhang Financial LLC	0	$0	0.00%	−1,426−100.0%	Sold out
Signature Wealth Management Partners, LLC	0	$0	0.00%	−1,408−100.0%	Sold out
Balasa Dinverno & Foltz LLC	0	$0	0.00%	−1,353−100.0%	Sold out
Phoenix Holdings Ltd.	0	$0	0.00%	−1,332−100.0%	Sold out
Founders Financial Alliance, LLC	0	$0	0.00%	−1,244−100.0%	Sold out
Private Trust Co NA	0	$0	0.00%	−1,232−100.0%	Sold out
Meristem Family Wealth, LLC	0	$0	0.00%	−1,233−100.0%	Sold out
LS Investment Advisors, LLC	0	$0	0.00%	−1,228−100.0%	Sold out
Beaumont Asset Management, L.L.C.	0	$0	0.00%	−1,222−100.0%	Sold out
Aquatic Capital Management LLC	0	$0	0.00%	−1,200−100.0%	Sold out
Lincoln National Corp	0	$0	0.00%	−1,121−100.0%	Sold out
IHT Wealth Management, LLC	0	$0	0.00%	−1,111−100.0%	Sold out
IFG Advisory, LLC	0	$0	0.00%	−1,084−100.0%	Sold out
MBB Public Markets I LLC	0	$0	0.00%	−1,060−100.0%	Sold out
Engine No. 1 LLC	0	$0	0.00%	−1,006−100.0%	Sold out
Willis Investment Counsel	0	$0	0.00%	−1,000−100.0%	Sold out
Hunting Hill Global Capital, LLC	0	$0	0.00%	−1,000−100.0%	Sold out
Probity Advisors, Inc.	0	$0	0.00%	−958−100.0%	Sold out
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management	0	$0	0.00%	−950−100.0%	Sold out
Northern Capital Management, Inc.	0	$0	0.00%	−947−100.0%	Sold out
Kendall Capital Management	0	$0	0.00%	−940−100.0%	Sold out
Flagship Harbor Advisors, LLC	0	$0	0.00%	−931−100.0%	Sold out
Osborne Partners Capital Management, LLC	0	$0	0.00%	−925−100.0%	Sold out
Sigma Investment Counselors Inc	0	$0	0.00%	−914−100.0%	Sold out
Gitterman Wealth Management, LLC	0	$0	0.00%	−909−100.0%	Sold out
Financial Advocates Investment Management	0	$0	0.00%	−903−100.0%	Sold out
Cannon Global Investment Management, LLC	0	$0	0.00%	−900−100.0%	Sold out
Arkadios Wealth Advisors	0	$0	0.00%	−897−100.0%	Sold out
Waddell & Associates, LLC	0	$0	0.00%	−887−100.0%	Sold out
Joel Isaacson & Co., LLC	0	$0	0.00%	−878−100.0%	Sold out
Cerity Partners LLC	0	$0	0.00%	−860−100.0%	Sold out
Everett Harris & Co	0	$0	0.00%	−863−100.0%	Sold out
WealthTrust Axiom LLC	0	$0	0.00%	−866−100.0%	Sold out
Pekin Hardy Strauss, Inc.	0	$0	0.00%	−856−100.0%	Sold out
Boston Private Wealth LLC	0	$0	0.00%	−855−100.0%	Sold out
Parisi Gray Wealth Management	0	$0	0.00%	−853−100.0%	Sold out
Tiemann Investment Advisors, LLC	0	$0	0.00%	−850−100.0%	Sold out
Canvas Wealth Advisors, LLC	0	$0	0.00%	−850−100.0%	Sold out
BLB&B Advisors, LLC	0	$0	0.00%	−843−100.0%	Sold out
Cozad Asset Management Inc	0	$0	0.00%	−824−100.0%	Sold out
GraniteShares Advisors LLC	0	$0	0.00%	−771−100.0%	Sold out
Lumina Fund Management LLC	0	$0	0.00%	−600−100.0%	Sold out
Cornerstone Advisory, LLC	0	$0	0.00%	−576−100.0%	Sold out
CoreCap Advisors, LLC	0	$0	0.00%	−489−100.0%	Sold out
LeJeune Puetz Investment Counsel LLC	0	$0	0.00%	−452−100.0%	Sold out
WFA of San Diego, LLC	0	$0	0.00%	−442−100.0%	Sold out
Dougherty Wealth Advisers LLC	0	$0	0.00%	−428−100.0%	Sold out
True Link Financial Advisors, LLC	0	$0	0.00%	–	Sold out
Snowden Capital Advisors LLC	0	$0	0.00%	−390−100.0%	Sold out
Masso Torrence Wealth Management Inc.	0	$0	0.00%	−235−100.0%	Sold out
Eagle Bay Advisors LLC	0	$0	0.00%	−223−100.0%	Sold out
Barrett Asset Management, LLC	0	$0	0.00%	−185−100.0%	Sold out
Stephens Consulting, LLC	0	$0	0.00%	−165−100.0%	Sold out
Silvant Capital Management LLC	0	$0	0.00%	−164−100.0%	Sold out
Atlas Capital Advisors LLC	0	$0	0.00%	−143−100.0%	Sold out
Total Clarity Wealth Management, Inc.	0	$0	0.00%	−135−100.0%	Sold out
Amplius Wealth Advisors, LLC	0	$0	0.00%	−118−100.0%	Sold out
Equitec Proprietary Markets, LLC	0	$0	0.00%	−113−100.0%	Sold out
Delta Asset Management LLC	0	$0	0.00%	−100−100.0%	Sold out
Vigilant Capital Management, LLC	0	$0	0.00%	−100−100.0%	Sold out
Confluence Wealth Services, Inc.	0	$0	0.00%	−89−100.0%	Sold out
Ahl Investment Management, Inc.	0	$0	0.00%	−57−100.0%	Sold out
Wagner Wealth Management, LLC	0	$0	0.00%	−37−100.0%	Sold out
Elmwood Wealth Management, Inc.	0	$0	0.00%	−15−100.0%	Sold out
Northwest Investment Counselors, LLC	0	$0	0.00%	−11−100.0%	Sold out
Standard Family Office LLC	0	$0	0.00%	−11−100.0%	Sold out
Widmann Financial Services, Inc.	0	$0	0.00%	−16−100.0%	Sold out
Signet Financial Management, LLC	0	$0	0.00%	−7−100.0%	Sold out
Core Alternative Capital	0	$0	0.00%	−9−100.0%	Sold out
Harel Insurance Investments & Financial Services Ltd.	0	$0	0.00%	−4−100.0%	Sold out
Edge Wealth Management LLC	0	$0	0.00%	−5−100.0%	Sold out
Credential Qtrade Securities Inc.	0	$0	0.00%	−3−100.0%	Sold out
Cassady Schiller Wealth Management, LLC	0	$0	0.00%	−1−100.0%	Sold out
KRS Capital Management, LLC	0	$0	0.00%	−3−100.0%	Sold out
Andra AP-fonden	–	–	–	–	Not filed
Grace Capital	–	–	–	–	Not filed
Tradewinds, LLC.	–	–	–	–	Not filed
Carroll Financial Associates, Inc.	–	–	–	–	Not filed
NEXT Financial Group, Inc	–	–	–	–	Not filed
Crescent Capital Consulting, LLC	–	–	–	–	Not filed
Harbour Investments, Inc.	–	–	–	–	Not filed
Reilly Financial Advisors, LLC	–	–	–	–	Not filed