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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, 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
Coldstream Capital Management Inc2,397$459.3K0.01%−300−11.1%Reduced
Prelude Capital Management, LLC2,400$465.2K0.04%−123−4.9%Reduced
Triangle Securities Wealth Management2,400$465.2K0.12%00.0%Unchanged
GWM Advisors LLC2,401$465.4K0.00%−612−20.3%Reduced
Kingswood Wealth Advisors, LLC2,410$467.2K0.03%+1,020+73.4%Added
Oracle Investment Management Inc2,412$467.5K0.37%00.0%Unchanged
Norden Group LLC2,424$469.9K0.06%+1,397+136.0%Added
Pallas Capital Advisors LLC2,556$469.9K0.02%−45−1.7%Reduced
Berkshire Asset Management LLC2,029$470.4K0.02%00.0%Unchanged
Allegheny Financial Group LTD2,427$470.4K0.12%−433−15.1%Reduced
Horizon Investments, LLC2,438$472.6K0.01%−260−9.6%Reduced
Three Bridge Wealth Advisors, LLC2,444$473.7K0.17%+18+0.7%Added
TFB Advisors LLC2,447$474.3K0.14%−2−0.1%Reduced
Acadian Asset Management LLC2,458$476.0K0.00%−3,244−56.9%Reduced
Simplify Asset Management Inc.2,470$478.8K0.03%+908+58.1%Added
Westside Investment Management, Inc.2,414$483.9K0.10%00.0%Unchanged
NJ State Employees Deferred Compensation Plan2,500$484.6K0.06%00.0%Unchanged
Congress Park Capital LLC2,505$485.6K0.18%−278−10.0%Reduced
Prudential PLC2,508$486.2K0.00%00.0%Unchanged
QRG Capital Management, Inc.2,537$491.8K0.01%−475−15.8%Reduced
Vestcor Inc2,540$492.0K0.02%00.0%Unchanged
Sherbrooke Park Advisers LLC2,550$494.3K0.11%+2,550New
Moran Wealth Management, LLC2,592$502.4K0.02%−45−1.7%Reduced
Hunter Associates Investment Management LLC2,600$504.0K0.08%00.0%Unchanged
Greenleaf Trust2,606$505.1K0.00%−3,475−57.1%Reduced
ARGA Investment Management, LP2,622$508.2K0.02%00.0%Unchanged
Eagle Global Advisors LLC2,625$508.8K0.03%00.0%Unchanged
Park Avenue Securities LLC2,630$510.0K0.01%+101+4.0%Added
Bellevue Group AG2,634$510.6K0.01%−3,268−55.4%Reduced
Bessemer Group Inc2,692$522.0K0.00%−639−19.2%Reduced
Ocean Capital Management, LLC2,694$522.2K0.12%+2,694New
Fernwood Investment Management, LLC2,760$535.0K0.17%−120−4.2%Reduced
Everence Capital Management Inc2,790$541.0K0.03%−2,210−44.2%Reduced
Dark Forest Capital Management LP2,797$542.2K0.07%+2,797New
Focus Financial Network, Inc.2,802$543.1K0.02%+14+0.5%Added
Jacobi Capital Management LLC2,815$545.7K0.04%+959+51.7%Added
Northwest Bank & Trust Co2,821$546.8K0.42%−9−0.3%Reduced
Portside Wealth Group, LLC2,848$552.1K0.09%+51+1.8%Added
Massachusetts Wealth Management2,875$557.3K0.35%−25−0.9%Reduced
Cim Investment Mangement Inc2,877$557.7K0.16%−52−1.8%Reduced
KCM Investment Advisors LLC2,944$570.7K0.02%00.0%Unchanged
Klingenstein Fields & Co LP2,956$573.0K0.02%−100−3.3%Reduced
Raymond James Trust N.A.2,993$580.2K0.01%+80+2.7%Added
Forum Financial Management, LP3,008$583.1K0.01%+10.0%Added
Horizon Kinetics Asset Management LLC3,040$589.3K0.01%−81−2.6%Reduced
Wetherby Asset Management Inc3,045$590.2K0.03%−1,514−33.2%Reduced
Quantinno Capital Management LP3,069$595.0K0.01%−5,172−62.8%Reduced
CAPROCK Group, Inc.3,118$604.4K0.02%+437+16.3%Added
Wealthfront Advisers LLC3,152$611.0K0.00%−371−10.5%Reduced
Autumn Glory Partners, LLC3,184$617.2K0.24%00.0%Unchanged
Stratos Wealth Partners, LTD.3,196$619.5K0.01%−299−8.6%Reduced
Cambridge Investment Research Advisors, Inc.3,207$622.0K0.00%−172−5.1%Reduced
Great Valley Advisor Group, Inc.3,229$625.9K0.02%−260−7.5%Reduced
Sanctuary Advisors, LLC3,965$626.1K0.00%−2,016−33.7%Reduced
Fiduciary Trust Co3,234$626.9K0.01%+631+24.2%Added
Bridgefront Capital, LLC3,243$628.6K0.24%+3,243New
Mutual Advisors, LLC3,420$628.8K0.02%−110−3.1%Reduced
MQS Management LLC3,256$631.1K0.35%+3,256New
Investment House LLC3,269$633.7K0.03%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.3,275$634.8K0.00%−238−6.8%Reduced
CWM, LLC3,285$637.0K0.00%−480−12.7%Reduced
Bridgeway Capital Management, LLC3,300$639.7K0.01%+1,300+65.0%Added
Concurrent Investment Advisors, LLC3,340$647.4K0.02%−46−1.4%Reduced
Fifth Third Bancorp3,359$651.1K0.00%−177−5.0%Reduced
Oxford Asset Management LLP3,388$656.7K0.55%+3,388New
Richwood Investment Advisors, LLC3,432$665.3K0.55%−422−10.9%Reduced
Tiaa Trust, National Association3,467$672.0K0.00%−563−14.0%Reduced
Deerfield Management Company, L.P. (Series C)3,504$679.2K0.01%+2,573+276.4%Added
Aigen Investment Management, LP3,520$682.3K0.13%+3,520New
Ironwood Financial, llc3,535$685.2K0.14%−79−2.2%Reduced
Wahed Invest LLC3,536$685.4K0.12%+289+8.9%Added
Atria Investments LLC3,538$685.8K0.01%−827−18.9%Reduced
Uncommon Cents Investing LLC3,540$686.2K0.19%−1,330−27.3%Reduced
O'Shaughnessy Asset Management, LLC3,596$688.9K0.01%−1,236−25.6%Reduced
Kennedy Capital Management, Inc.3,580$693.9K0.02%+642+21.9%Added
Cornerstone Advisors, LLC3,600$697.8K0.03%00.0%Unchanged
South Dakota Investment Council3,613$700.0K0.01%00.0%Unchanged
Jones Financial Companies LLLP3,619$704.5K0.00%+2,120+141.4%Added
United Bank3,636$704.8K0.33%−126−3.3%Reduced
SG Americas Securities, LLC3,675$712.0K0.00%−36,515−90.9%Reduced
Roberts Glore & Co Inc3,684$714.1K0.21%+240+7.0%Added
Savant Capital, LLC3,756$728.1K0.01%+1,342+55.6%Added
Eisler Capital (UK) Ltd.3,766$730.0K0.17%+3,766New
Advisory Services Network, LLC3,206$743.2K0.02%00.0%Unchanged
V-Square Quantitative Management LLC3,835$743.4K0.11%+261+7.3%Added
Marex Group plc3,867$749.6K0.02%+2,568+197.7%Added
Sumitomo Life Insurance Co3,906$757.1K0.01%+162+4.3%Added
Texas Yale Capital Corp.3,987$772.8K0.03%00.0%Unchanged
Cohen Klingenstein LLC4,000$775.4K0.03%00.0%Unchanged
Enterprise Bank & Trust Co4,002$775.7K0.25%−569−12.4%Reduced
Farmers & Merchants Investments Inc4,006$776.5K0.02%−10.0%Reduced
Ieq Capital, LLC4,020$779.2K0.01%+278+7.4%Added
Shell Asset Management Co4,055$786.0K0.03%+4,055New
EP Wealth Advisors, LLC4,090$792.8K0.01%+4,090New
Kovitz Investment Group Partners, LLC5,270$800.2K0.01%+1,638+45.1%Added
Siemens Fonds Invest GmbH5,520$815.6K0.06%−874−13.7%Reduced
Citizens & Northern Corp4,222$818.4K0.25%−130−3.0%Reduced
Tokio Marine Asset Management Co Ltd4,272$828.1K0.04%+754+21.4%Added
Los Angeles Capital Management LLC4,282$830.0K0.00%+4,282New
Twin Tree Management, LP4,296$832.7K0.02%+2,559+147.3%Added