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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, Q2 2024

Institutional positions in Biogen Inc. as of Jun 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
947
+5 vs. Q1 2024
Shares held
129.0M
−367.1K (−0.3%) vs. Q1 2024
Total value
$29.9B
+$2.00B (+7.2%) vs. Q1 2024
New holders
101
322 more added
Sold out
96
338 more reduced

13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 947 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 heldQ2 2024: $29.9B
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, Q2 2024

Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2024.

Institutions holding BIIB in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Winch Advisory Services, LLC16$3.71K0.00%00.0%Unchanged
SOA Wealth Advisors, LLC.15$3.48K0.00%−1−6.3%Reduced
Fortis Group Advisors, LLC15$3.48K0.00%00.0%Unchanged
McMahon Financial Advisors, LLC15$3.48K0.00%+15New
DiNuzzo Private Wealth, Inc.14$3.25K0.00%+1+7.7%Added
Kozak & Associates, Inc.14$3.15K0.00%00.0%Unchanged
Hollencrest Capital Management13$3.01K0.00%00.0%Unchanged
Old Second National Bank of Aurora13$3.01K0.00%+13New
Penserra Capital Management LLC12$3.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.11$3.00K0.00%+5+83.3%Added
Avion Wealth16$3.00K0.00%+14+700.0%Added
First Command Advisory Services, Inc.12$2.78K0.00%+12New
Ruedi Wealth Management, Inc.12$2.78K0.00%+12New
Fortitude Family Office, LLC12$2.78K0.00%+12New
Planning Capital Management Corp11$2.55K0.00%00.0%Unchanged
Byrne Asset Management LLC10$2.29K0.00%00.0%Unchanged
Strategic Investment Solutions, Inc.10$2.13K0.00%+10New
SJS Investment Consulting Inc.9$2.09K0.00%−7−43.8%Reduced
Aspect Partners, LLC9$2.09K0.00%00.0%Unchanged
Quarry LP9$2.09K0.00%+9New
Valued Wealth Advisors LLC8$1.85K0.00%−7−46.7%Reduced
Aspire Private Capital, LLC8$1.85K0.00%00.0%Unchanged
Atwood & Palmer Inc8$1.74K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.7$1.62K0.00%00.0%Unchanged
Park Place Capital Corp7$1.62K0.00%00.0%Unchanged
TFC Financial Management7$1.62K0.00%+3+75.0%Added
RFP Financial Group LLC6$1.39K0.00%−4−40.0%Reduced
USA Financial Portformulas Corp6$1.39K0.00%00.0%Unchanged
Fairman Group, LLC6$1.39K0.00%00.0%Unchanged
Trifecta Capital Advisors, LLC6$1.39K0.00%+6New
Triad Wealth Partners, LLC6$1.39K0.00%+6New
Evermay Wealth Management LLC5$1.16K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC5$1.16K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC5$1.16K0.00%+5New
True Wealth Design, LLC4$9280.00%−1−20.0%Reduced
Frazier Financial Advisors, LLC4$9280.00%+4New
Continuum Advisory, LLC4$9270.00%00.0%Unchanged
NVWM, LLC4$9270.00%+3+300.0%Added
Wetzel Investment Advisors, Inc.4$8630.00%00.0%Unchanged
Wolff Wiese Magana LLC2$4640.00%00.0%Unchanged
WestEnd Advisors, LLC2$4640.00%00.0%Unchanged
ClariVest Asset Management LLC2$4570.00%+2New
American Capital Advisory, LLC0$160.00%0Unchanged
Pacific Center for Financial Services0$90.00%−71−100.0%Reduced
Dogwood Wealth Management LLC0$40.00%0Unchanged
McClarren Financial Advisors, Inc.231$00.00%+229+11,450.0%Added
E Fund Management (Hong Kong) Co., Ltd.1$00.00%+1New
Camber Capital Management LP0$00.00%−400,000−100.0%Sold out
Citadel Advisors LLC0$00.00%−149,298−100.0%Sold out
Zimmer Partners, LP0$00.00%−129,950−100.0%Sold out
Railway Pension Investments Ltd0$00.00%−127,722−100.0%Sold out
Twinbeech Capital LP0$00.00%−102,251−100.0%Sold out
Armistice Capital, LLC0$00.00%−100,049−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−80,500−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−72,800−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−60,220−100.0%Sold out
American International Group, Inc.0$00.00%−49,426−100.0%Sold out
Easterly Investment Partners LLC0$00.00%−41,942−100.0%Sold out
Engineers Gate Manager LP0$00.00%−39,840−100.0%Sold out
Capital World Investors0$00.00%−34,200−100.0%Sold out
Cardinal Capital Management0$00.00%−30,467−100.0%Sold out
Texas Permanent School Fund0$00.00%−29,963−100.0%Sold out
FORA Capital, LLC0$00.00%−28,652−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−24,407−100.0%Sold out
Entropy Technologies, LP0$00.00%−23,358−100.0%Sold out
Marshall Wace, LLP0$00.00%−23,228−100.0%Sold out
Leonteq Securities AG0$00.00%−22,724−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−21,371−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−19,793−100.0%Sold out
PEAK6 Investments LLC0$00.00%−14,416−100.0%Sold out
Sienna Gestion0$00.00%−14,318−100.0%Sold out
Virtu Financial LLC0$00.00%−13,200−100.0%Sold out
Stevens Capital Management LP0$00.00%−9,269−100.0%Sold out
Exome Asset Management LLC0$00.00%−8,200−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−8,114−100.0%Sold out
Pearl River Capital, LLC0$00.00%−7,605−100.0%Sold out
XTX Topco Ltd0$00.00%−7,176−100.0%Sold out
Alaska Permanent Fund Corp0$00.00%−6,103−100.0%Sold out
Duality Advisers, LP0$00.00%−5,981−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−5,902−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−5,844−100.0%Sold out
Knights of Columbus Asset Advisors LLC0$00.00%−5,660−100.0%Sold out
Eisler Capital (UK) Ltd.0$00.00%−5,520−100.0%Sold out
Nebula Research & Development LLC0$00.00%−4,700−100.0%Sold out
Alberta Investment Management Corp0$00.00%−4,500−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−4,346−100.0%Sold out
Quantbot Technologies LP0$00.00%−4,108−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−3,599−100.0%Sold out
Lombard Odier Asset Management (Switzerland) SA0$00.00%−3,595−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−3,000−100.0%Sold out
Marathon Trading Investment Management LLC0$00.00%−3,000−100.0%Sold out
Moody Aldrich Partners LLC0$00.00%−2,901−100.0%Sold out
Baker Tilly Wealth Management, LLC0$00.00%−2,851−100.0%Sold out
Readystate Asset Management LP0$00.00%−2,680−100.0%Sold out
Pictet & Cie (Europe) SA0$00.00%−2,557−100.0%Sold out
UBS Oconnor LLC0$00.00%−2,500−100.0%Sold out
Platinum Investment Management Ltd0$00.00%−2,140−100.0%Sold out
MQS Management LLC0$00.00%−2,010−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−1,974−100.0%Sold out
Fox Hill Wealth Management0$00.00%−1,876−100.0%Sold out