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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, Q4 2023

Institutional positions in Biogen Inc. as of Dec 31, 2023. 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
1,005
+56 vs. Q3 2023
Shares held
128.7M
+4.02M (+3.2%) vs. Q3 2023
Total value
$33.3B
+$1.22B (+3.8%) vs. Q3 2023
New holders
137
287 more added
Sold out
81
373 more reduced

17 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,005 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 heldQ4 2023: $33.3B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.

Institutions holding BIIB in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH395$102.2K0.00%−1,280−76.4%Reduced
Compagnie Lombard Odier SCmA400$103.5K0.00%00.0%Unchanged
Front Street Capital Management, Inc.400$104.0K0.02%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt430$111.3K0.01%+263+157.5%Added
Institutional & Family Asset Management, LLC431$111.5K0.02%+1+0.2%Added
Richardson Financial Services Inc.437$113.1K0.10%+437New
Horizon Bancorp Inc439$114.0K0.06%+28+6.8%Added
Desjardins Global Asset Management Inc.446$115.4K0.01%−2,750−86.0%Reduced
Principal Securities, Inc.451$116.7K0.00%+451New
Paradigm Asset Management Co LLC455$117.7K0.03%00.0%Unchanged
Key Financial Inc462$119.6K0.03%00.0%Unchanged
GAMMA Investing LLC486$119.9K0.03%+486New
EverSource Wealth Advisors, LLC495$128.1K0.01%−25−4.8%Reduced
Alta Advisers Ltd500$129.4K0.07%00.0%Unchanged
Provenance Wealth Advisors, LLC500$129.4K0.02%00.0%Unchanged
Twin Lakes Capital Management, LLC511$132.2K0.09%00.0%Unchanged
Capital Analysts, LLC516$134.0K0.01%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA525$135.9K0.06%+525New
Hanson & Doremus Investment Management525$136.0K0.03%−76−12.6%Reduced
Lindbrook Capital, LLC541$140.0K0.01%−81−13.0%Reduced
Rowland & Co Investment Counsel544$140.8K0.03%00.0%Unchanged
Cassady Schiller Wealth Management, LLC546$141.3K0.07%00.0%Unchanged
Private Trust Co NA559$144.7K0.02%−35−5.9%Reduced
Kelly Financial Services LLC564$145.9K0.06%00.0%Unchanged
Allworth Financial LP600$155.3K0.00%−17−2.8%Reduced
NBC Securities, Inc.617$159.0K0.02%+189+44.2%Added
Spire Wealth Management636$159.0K0.01%+55+9.5%Added
Salem Investment Counselors Inc658$170.3K0.01%+50+8.2%Added
Oakworth Capital, Inc.659$170.5K0.01%00.0%Unchanged
Quantbot Technologies LP663$171.6K0.01%−28−4.1%Reduced
Penserra Capital Management LLC671$173.0K0.00%−189−22.0%Reduced
Umb Bank N A674$174.4K0.00%00.0%Unchanged
Quadrant Capital Group LLC702$181.7K0.02%+66+10.4%Added
Concord Wealth Partners757$195.9K0.04%+86+12.8%Added
Sentry Investment Management LLC758$196.0K0.08%−81−9.7%Reduced
Caldwell Trust Co761$196.9K0.02%00.0%Unchanged
AJOVista, LLC778$201.3K0.25%+778New
First Bank & Trust784$202.9K0.05%−57−6.8%Reduced
Robinson Value Management, Ltd.793$205.2K0.13%00.0%Unchanged
Vestmark Advisory Solutions, Inc.796$206.0K0.01%−21−2.6%Reduced
Community Bank, N.A.800$207.0K0.03%00.0%Unchanged
Sigma Investment Counselors Inc800$207.0K0.01%00.0%Unchanged
Centennial Bank800$207.0K0.12%00.0%Unchanged
Phoenix Holdings Ltd.760$207.1K0.00%+760New
Integrated Advisors Network LLC802$207.5K0.01%−326−28.9%Reduced
Fort, L.P.809$209.3K0.52%−102−11.2%Reduced
HBK Sorce Advisory LLC811$209.9K0.01%−417−34.0%Reduced
Courier Capital LLC816$211.2K0.02%00.0%Unchanged
IFP Advisors, Inc818$211.7K0.01%+13+1.6%Added
Pin Oak Investment Advisors Inc820$212.0K0.21%00.0%Unchanged
Kathmere Capital Management, LLC820$212.2K0.03%−87−9.6%Reduced
Dynamic Technology Lab Private Ltd824$213.0K0.02%+824New
City State Bank832$215.0K0.11%−118−12.4%Reduced
Icon Wealth Advisors, LLC832$215.3K0.02%+832New
Manchester Capital Management LLC833$215.6K0.03%+17+2.1%Added
Qtron Investments LLC837$216.6K0.04%−294−26.0%Reduced
Pekin Hardy Strauss, Inc.840$217.4K0.03%−16−1.9%Reduced
Waddell & Associates, LLC838$217.4K0.03%−49−5.5%Reduced
TCG Advisory Services, LLC843$218.1K0.02%+843New
Baldwin Brothers Inc845$218.7K0.02%−2,766−76.6%Reduced
M3 Advisory Group, LLC848$219.4K0.26%+848New
Institute for Wealth Management, LLC.849$219.8K0.04%−101−10.6%Reduced
Fukoku Mutual Life Insurance Co853$220.7K0.02%+853New
Richelieu Gestion PLC858$222.0K0.20%00.0%Unchanged
Everett Harris & Co863$223.3K0.00%00.0%Unchanged
CX Institutional865$223.8K0.01%+865New
Oracle Alpha Inc.865$223.8K0.29%+865New
WealthTrust Axiom LLC866$224.1K0.07%00.0%Unchanged
Lake Street Advisors Group, LLC866$224.1K0.01%+866New
GPS Wealth Strategies Group, LLC868$224.6K0.04%−95−9.9%Reduced
LGL Partners, LLC870$225.1K0.03%00.0%Unchanged
Herold Advisors, Inc.875$226.4K0.06%00.0%Unchanged
Private Capital Advisors, Inc.884$229.0K0.03%00.0%Unchanged
TCTC Holdings, LLC900$232.9K0.01%00.0%Unchanged
Independent Financial Group, LLC906$234.4K0.01%+30+3.4%Added
SageView Advisory Group, LLC951$235.0K0.01%+72+8.2%Added
Clear Street Markets LLC912$236.0K0.09%+896+5,600.0%Added
North Star Asset Management Inc913$236.3K0.01%00.0%Unchanged
Acima Private Wealth, LLC916$237.0K0.09%00.0%Unchanged
Nexus Investment Management ULC920$238.1K0.02%00.0%Unchanged
Valeo Financial Advisors, LLC923$238.8K0.01%−320−25.7%Reduced
Peregrine Asset Advisers, Inc.923$238.8K0.12%00.0%Unchanged
LCM Capital Management Inc924$239.1K0.17%−4−0.4%Reduced
Osborne Partners Capital Management, LLC925$239.4K0.02%00.0%Unchanged
Mascoma Wealth Management LLC925$239.4K0.07%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.931$241.0K0.00%00.0%Unchanged
Defined Wealth Management, LLC933$241.4K0.18%+2+0.2%Added
Sentry LLC938$242.7K0.05%−535−36.3%Reduced
Legacy Bridge, LLC940$243.2K0.16%00.0%Unchanged
Moors & Cabot, Inc.942$243.8K0.02%+131+16.2%Added
MAI Capital Management946$244.8K0.00%−188−16.6%Reduced
Northern Capital Management, Inc.947$245.1K0.22%00.0%Unchanged
Camden Capital, LLC947$245.1K0.03%+32+3.5%Added
Argent Trust Co948$245.3K0.01%+60+6.8%Added
Mairs & Power Inc950$245.8K0.00%00.0%Unchanged
Evergreen Capital Management LLC959$248.2K0.01%+74+8.4%Added
Gladstone Institutional Advisory LLC961$248.7K0.01%+961New
Naples Global Advisors, LLC962$248.9K0.03%00.0%Unchanged
Baystate Wealth Management LLC964$249.7K0.02%−20−2.0%Reduced
LM Advisors LLC965$249.7K0.05%+965New