Skip to main content

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, Q3 2024

Institutional positions in Biogen Inc. as of Sep 30, 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
921
−17 vs. Q2 2024
Shares held
129.8M
+15.4M (+13.4%) vs. Q2 2024
Total value
$25.1B
−$1.44B (−5.4%) vs. Q2 2024
New holders
101
269 more added
Sold out
118
378 more reduced

9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 921 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 heldQ3 2024: $25.1B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.

Institutions holding BIIB in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Proequities, Inc.7$1.36K0.00%−15−68.2%Reduced
Trifecta Capital Advisors, LLC6$1.16K0.00%00.0%Unchanged
Fairman Group, LLC6$1.16K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC5$9730.00%00.0%Unchanged
Atwood & Palmer Inc5$9700.00%−3−37.5%Reduced
Evermay Wealth Management LLC5$9700.00%00.0%Unchanged
Continuum Advisory, LLC5$8240.00%+1+25.0%Added
True Wealth Design, LLC4$7760.00%00.0%Unchanged
Voisard Asset Management Group, Inc.4$7760.00%+4New
TFC Financial Management3$5820.00%−4−57.1%Reduced
ClariVest Asset Management LLC2$4570.00%00.0%Unchanged
Colonial Trust Co2$3890.00%+2New
Carolinas Wealth Consulting LLC2$3880.00%−3−60.0%Reduced
NVWM, LLC2$3880.00%−2−50.0%Reduced
WestEnd Advisors, LLC2$3880.00%00.0%Unchanged
HM Payson & Co1$1940.00%+1New
American Capital Advisory, LLC0$120.00%0Unchanged
Pacific Center for Financial Services0$80.00%0Unchanged
Dogwood Wealth Management LLC0$30.00%0Unchanged
E Fund Management (Hong Kong) Co., Ltd.1$00.00%00.0%Unchanged
McClarren Financial Advisors, Inc.2$00.00%−229−99.1%Reduced
Alyeska Investment Group, L.P.0$00.00%−401,005−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−394,887−100.0%Sold out
Polar Capital Holdings Plc0$00.00%−225,000−100.0%Sold out
Zurich Insurance Group Ltd0$00.00%−98,642−100.0%Sold out
Cutter Capital Management, LP0$00.00%−76,726−100.0%Sold out
Gilder Gagnon Howe & Co LLC0$00.00%−57,031−100.0%Sold out
Clough Capital Partners L P0$00.00%−42,800−100.0%Sold out
Nicola Wealth Management Ltd.0$00.00%−39,500−100.0%Sold out
Boston Common Asset Management, LLC0$00.00%−34,456−100.0%Sold out
Sivik Global Healthcare LLC0$00.00%−30,000−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−23,713−100.0%Sold out
Exchange Capital Management, Inc.0$00.00%−20,139−100.0%Sold out
Fiera Capital Corp0$00.00%−15,482−100.0%Sold out
Hudson Canyon Capital Management0$00.00%−8,025−100.0%Sold out
Privium Fund Management B.V.0$00.00%−7,000−100.0%Sold out
Oak Associates, Ltd0$00.00%−6,190−100.0%Sold out
Intellectus Partners, LLC0$00.00%−6,029−100.0%Sold out
Lombard Odier Asset Management (Europe) Ltd0$00.00%−4,686−100.0%Sold out
Intech Investment Management LLC0$00.00%−4,456−100.0%Sold out
Williamson Legacy Group, LLC0$00.00%−3,735−100.0%Sold out
SFMG, LLC0$00.00%−3,375−100.0%Sold out
Applied Finance Capital Management, LLC0$00.00%−3,362−100.0%Sold out
Unique Wealth Strategies, LLC0$00.00%−3,406−100.0%Sold out
Adviser Investments LLC0$00.00%−3,056−100.0%Sold out
Financial Advisory Corp0$00.00%−2,741−100.0%Sold out
Vanguard Capital Wealth Advisors0$00.00%−2,300−100.0%Sold out
Levin Capital Strategies, L.P.0$00.00%−2,226−100.0%Sold out
Abn Amro Investment Solutions0$00.00%−2,118−100.0%Sold out
Matisse Capital0$00.00%−2,095−100.0%Sold out
Camelot Portfolios, LLC0$00.00%−1,900−100.0%Sold out
Morningstar Investment Management LLC0$00.00%−1,865−100.0%Sold out
Simplicity Wealth,LLC0$00.00%−1,831−100.0%Sold out
Wellington Shields Capital Management, LLC0$00.00%−1,652−100.0%Sold out
Wrapmanager Inc0$00.00%−1,611−100.0%Sold out
Boston Private Wealth LLC0$00.00%−1,552−100.0%Sold out
Moloney Securities Asset Management, LLC0$00.00%−1,537−100.0%Sold out
IFG Advisory, LLC0$00.00%−1,510−100.0%Sold out
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management0$00.00%−1,422−100.0%Sold out
Weik Capital Management0$00.00%−1,350−100.0%Sold out
Snowden Capital Advisors LLC0$00.00%−1,307−100.0%Sold out
Evergreen Wealth Solutions, LLC0$00.00%−1,302−100.0%Sold out
Symmetry Partners, LLC0$00.00%−1,293−100.0%Sold out
Morningstar Investment Services LLC0$00.00%−1,245−100.0%Sold out
Davenport & Co LLC0$00.00%−1,205−100.0%Sold out
Frank, Rimerman Advisors LLC0$00.00%−1,179−100.0%Sold out
Marcum Wealth, LLC0$00.00%−1,131−100.0%Sold out
Advisors Capital Management, LLC0$00.00%−1,130−100.0%Sold out
Tradewinds, LLC.0$00.00%−1,128−100.0%Sold out
AE Wealth Management LLC0$00.00%−1,118−100.0%Sold out
Avantax Advisory Services, Inc.0$00.00%−1,117−100.0%Sold out
MAI Capital Management0$00.00%−1,102−100.0%Sold out
Tritonpoint Wealth, LLC0$00.00%−1,060−100.0%Sold out
Epoch Investment Partners, Inc.0$00.00%−1,058−100.0%Sold out
Alpha Family Trust0$00.00%−1,050−100.0%Sold out
Citizens Financial Group Inc0$00.00%−1,033−100.0%Sold out
Mason & Associates Inc0$00.00%−1,028−100.0%Sold out
IHT Wealth Management, LLC0$00.00%−1,021−100.0%Sold out
Texas Capital Bank Wealth Management Services Inc0$00.00%−1,018−100.0%Sold out
Calamos Wealth Management LLC0$00.00%−1,014−100.0%Sold out
Lake Street Advisors Group, LLC0$00.00%−1,008−100.0%Sold out
Avidian Wealth Solutions, LLC0$00.00%−1,008−100.0%Sold out
CX Institutional0$00.00%−1,005−100.0%Sold out
Vantage Consulting Group Inc0$00.00%−1,005−100.0%Sold out
DCF Advisers, LLC0$00.00%−1,000−100.0%Sold out
Aviance Capital Partners, LLC0$00.00%−989−100.0%Sold out
Fort Sheridan Advisors LLC0$00.00%−970−100.0%Sold out
Naples Global Advisors, LLC0$00.00%−962−100.0%Sold out
Summit Global Investments0$00.00%−962−100.0%Sold out
Northern Capital Management, Inc.0$00.00%−947−100.0%Sold out
North Star Asset Management Inc0$00.00%−943−100.0%Sold out
Custom Index Systems, LLC0$00.00%−941−100.0%Sold out
Probity Advisors, Inc.0$00.00%−938−100.0%Sold out
LCM Capital Management Inc0$00.00%−928−100.0%Sold out
Osborne Partners Capital Management, LLC0$00.00%−925−100.0%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
Defined Wealth Management, LLC0$00.00%−910−100.0%Sold out
M3 Advisory Group, LLC0$00.00%−885−100.0%Sold out
Private Capital Advisors, Inc.0$00.00%−884−100.0%Sold out