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Biogen Inc.

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

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 2024

Institutional positions in Biogen Inc. as of Mar 31, 2024. 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
955
−41 vs. Q4 2023
Shares held
129.7M
+1.13M (+0.9%) vs. Q4 2023
Total value
$28.0B
−$5.30B (−15.9%) vs. Q4 2023
New holders
105
304 more added
Sold out
146
354 more reduced

9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 955 institutions
Q1 2021: 1,096 institutionsQ2 2021: 1,107 institutionsQ3 2021: 1,044 institutionsQ4 2021: 1,014 institutionsQ1 2022: 954 institutionsQ2 2022: 930 institutionsQ3 2022: 987 institutionsQ4 2022: 1,033 institutionsQ1 2023: 1,004 institutionsQ2 2023: 1,009 institutionsQ3 2023: 966 institutionsQ4 2023: 1,005 institutionsQ1 2024: 955 institutionsQ2 2024: 947 institutionsQ3 2024: 921 institutionsQ4 2024: 879 institutionsQ1 2025: 882 institutionsQ2 2025: 867 institutionsQ3 2025: 909 institutionsQ4 2025: 1,002 institutionsQ1 2026: 1,015 institutionsQ2 2026: 1,047 institutions
Value heldQ1 2024: $28.0B
Q1 2021: $35.7BQ2 2021: $43.6BQ3 2021: $35.1BQ4 2021: $29.7BQ1 2022: $25.9BQ2 2022: $25.0BQ3 2022: $33.0BQ4 2022: $34.6BQ1 2023: $35.0BQ2 2023: $36.1BQ3 2023: $32.2BQ4 2023: $33.3BQ1 2024: $28.0BQ2 2024: $29.9BQ3 2024: $25.1BQ4 2024: $20.2BQ1 2025: $17.7BQ2 2025: $16.3BQ3 2025: $18.4BQ4 2025: $24.6BQ1 2026: $24.7BQ2 2026: $30.7B
Institutions holding BIIB and their total value by quarter
QuarterHoldersValue
Q2 20261,047$30.7B
Q1 20261,015$24.7B
Q4 20251,002$24.6B
Q3 2025909$18.4B
Q2 2025867$16.3B
Q1 2025882$17.7B
Q4 2024879$20.2B
Q3 2024921$25.1B
Q2 2024947$29.9B
Q1 2024955$28.0B
Q4 20231,005$33.3B
Q3 2023966$32.2B
Q2 20231,009$36.1B
Q1 20231,004$35.0B
Q4 20221,033$34.6B
Q3 2022987$33.0B
Q2 2022930$25.0B
Q1 2022954$25.9B
Q4 20211,014$29.7B
Q3 20211,044$35.1B
Q2 20211,107$43.6B
Q1 20211,096$35.7B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.

Institutions holding BIIB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Headlands Technologies LLC0$00.00%−1,693−100.0%Sold out
Balanced Rock Investment Advisor0$00.00%−1,648−100.0%Sold out
Maverick Capital LtdSuperinvestorMaverick Capital0$00.00%−1,600−100.0%Sold out
Cetera Advisors LLC0$00.00%−1,439−100.0%Sold out
Transcend Wealth Collective, LLC0$00.00%−1,435−100.0%Sold out
Altfest L J & Co Inc0$00.00%−1,433−100.0%Sold out
Aviso Wealth Management0$00.00%−1,425−100.0%Sold out
We Are One Seven, LLC0$00.00%−1,310−100.0%Sold out
Ferguson Wellman Capital Management, Inc0$00.00%−1,275−100.0%Sold out
Royal Capital Wealth Management, LLC0$00.00%−1,266−100.0%Sold out
DGS Capital Management, LLC0$00.00%−1,265−100.0%Sold out
Williams Jones Wealth Management, LLC.0$00.00%−1,247−100.0%Sold out
Grant/GrossMendelsohn, LLC0$00.00%−1,290−100.0%Sold out
Sound View Wealth Advisors Group, LLC0$00.00%−1,188−100.0%Sold out
Meridian Wealth Management, LLC0$00.00%−1,179−100.0%Sold out
Fiduciary Family Office, LLC0$00.00%−1,172−100.0%Sold out
Achmea Investment Management B.V.0$00.00%−1,169−100.0%Sold out
Advisor Resource Council0$00.00%−1,151−100.0%Sold out
Westwood Wealth Management0$00.00%−1,125−100.0%Sold out
Clarius Group, LLC0$00.00%−1,123−100.0%Sold out
KMG Fiduciary Partners, LLC0$00.00%−1,114−100.0%Sold out
Cullinan Associates Inc0$00.00%−1,100−100.0%Sold out
First Light Asset Management, LLC0$00.00%−1,096−100.0%Sold out
PFG Advisors0$00.00%−1,076−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−1,053−100.0%Sold out
Harbour Capital Advisors, LLC0$00.00%−1,025−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−1,043−100.0%Sold out
Dana Investment Advisors, Inc.0$00.00%−1,023−100.0%Sold out
Empire Financial Management Company, LLC0$00.00%−1,000−100.0%Sold out
Gitterman Wealth Management, LLC0$00.00%−980−100.0%Sold out
Gladstone Institutional Advisory LLC0$00.00%−961−100.0%Sold out
Mairs & Power Inc0$00.00%−950−100.0%Sold out
Camden Capital, LLC0$00.00%−947−100.0%Sold out
Sentry LLC0$00.00%−938−100.0%Sold out
Defined Wealth Management, LLC0$00.00%−933−100.0%Sold out
Osborne Partners Capital Management, LLC0$00.00%−925−100.0%Sold out
LCM Capital Management Inc0$00.00%−924−100.0%Sold out
Peregrine Asset Advisers, Inc.0$00.00%−923−100.0%Sold out
Nexus Investment Management ULC0$00.00%−920−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−951−100.0%Sold out
Private Capital Advisors, Inc.0$00.00%−884−100.0%Sold out
LGL Partners, LLC0$00.00%−870−100.0%Sold out
Lake Street Advisors Group, LLC0$00.00%−866−100.0%Sold out
WealthTrust Axiom LLC0$00.00%−866−100.0%Sold out
CX Institutional0$00.00%−865−100.0%Sold out
Oracle Alpha Inc.0$00.00%−865−100.0%Sold out
Everett Harris & Co0$00.00%−863−100.0%Sold out
Fukoku Mutual Life Insurance Co0$00.00%−853−100.0%Sold out
Institute for Wealth Management, LLC.0$00.00%−849−100.0%Sold out
M3 Advisory Group, LLC0$00.00%−848−100.0%Sold out
TCG Advisory Services, LLC0$00.00%−843−100.0%Sold out
Waddell & Associates, LLC0$00.00%−838−100.0%Sold out
Pekin Hardy Strauss, Inc.0$00.00%−840−100.0%Sold out
Qtron Investments LLC0$00.00%−837−100.0%Sold out
Kathmere Capital Management, LLC0$00.00%−820−100.0%Sold out
Courier Capital LLC0$00.00%−816−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−811−100.0%Sold out
Fort, L.P.0$00.00%−809−100.0%Sold out
Phoenix Holdings Ltd.0$00.00%−760−100.0%Sold out
Sigma Investment Counselors Inc0$00.00%−800−100.0%Sold out
Vestmark Advisory Solutions, Inc.0$00.00%−796−100.0%Sold out
Robinson Value Management, Ltd.0$00.00%−793−100.0%Sold out
First Bank & Trust0$00.00%−784−100.0%Sold out
AJOVista, LLC0$00.00%−778−100.0%Sold out
Front Street Capital Management, Inc.0$00.00%−400−100.0%Sold out
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH0$00.00%−395−100.0%Sold out
Thompson Siegel & Walmsley LLC0$00.00%−393−100.0%Sold out
Glassman Wealth Services0$00.00%−364−100.0%Sold out
Itau Unibanco Holding S.A.0$00.00%−268−100.0%Sold out
Colonial Trust Co0$00.00%−236−100.0%Sold out
Planned Solutions, Inc.0$00.00%−200−100.0%Sold out
Gladius Capital Management LP0$00.00%−141−100.0%Sold out
Long Island Wealth Management, Inc.0$00.00%−133−100.0%Sold out
Focused Wealth Management, Inc0$00.00%−100−100.0%Sold out
Livelsberger Financial Advisory0$00.00%−100−100.0%Sold out
Tradition Wealth Management, LLC0$00.00%−80−100.0%Sold out
Turtle Creek Wealth Advisors, LLC0$00.00%−73−100.0%Sold out
Pineridge Advisors LLC0$00.00%−65−100.0%Sold out
O'Dell Group, LLC0$00.00%−64−100.0%Sold out
Truvestments Capital LLC0$00.00%−55−100.0%Sold out
Frank, Rimerman Advisors LLC0$00.00%−49−100.0%Sold out
Sound Income Strategies, LLC0$00.00%−40−100.0%Sold out
CNB Bank0$00.00%−40−100.0%Sold out
DAGCO, Inc.0$00.00%−33−100.0%Sold out
Hartford Financial Management Inc.0$00.00%−31−100.0%Sold out
Garner Asset Management Corp0$00.00%−22−100.0%Sold out
Impact Partnership Wealth, LLC0$00.00%−17−100.0%Sold out
EdgeRock Capital LLC0$00.00%−15−100.0%Sold out
Moisand Fitzgerald Tamayo, LLC0$00.00%−12−100.0%Sold out
Creative Financial Designs Inc0$00.00%−12−100.0%Sold out
Northwest Financial Advisors0$00.00%−9−100.0%Sold out
Financial Perspectives, Inc0$00.00%−8−100.0%Sold out
Fortitude Family Office, LLC0$00.00%−7−100.0%Sold out
Arlington Trust Co LLC0$00.00%−7−100.0%Sold out
Colonial Trust Advisors0$00.00%−4−100.0%Sold out
TSFG, LLC0$00.00%−5−100.0%Sold out
Lee Financial Co0$00.00%−2−100.0%Sold out
Criterion Capital Advisors, LLC0$00.00%−1−100.0%Sold out
Optiver Holding B.V.0$00.00%−1−100.0%Sold out
Tucker Asset Management LLC0$00.00%−1−100.0%Sold out