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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; 1,046 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: 1,046 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 20261,046$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
Bell Bank1,175$272.4K0.02%00.0%Unchanged
Frank, Rimerman Advisors LLC1,179$273.3K0.02%+1,179New
Grandfield & Dodd, LLC1,199$278.0K0.02%00.0%Unchanged
Boltwood Capital Management1,204$279.1K0.09%−56−4.4%Reduced
Davenport & Co LLC1,205$279.3K0.00%−361−23.1%Reduced
Cidel Asset Management Inc1,220$282.8K0.02%+118+10.7%Added
Morningstar Investment Services LLC1,245$285.0K0.00%−182−12.8%Reduced
Colony Group, LLC1,232$286.0K0.00%+1,232New
Israel Discount Bank of New York1,241$287.7K0.46%−382−23.5%Reduced
Wiley Bros.-Aintree Capital, LLC1,257$291.4K0.01%+1,257New
GAMMA Investing LLC1,263$292.8K0.04%+755+148.6%Added
Meeder Asset Management Inc1,273$295.1K0.02%+1,241+3,878.1%Added
AIA Group Ltd1,276$295.8K0.01%−188−12.8%Reduced
Equitable Holdings, Inc.1,277$296.0K0.00%+64+5.3%Added
RSM US Wealth Management LLC1,280$296.7K0.00%+1,280New
Chicago Partners Investment Group LLC1,408$298.3K0.01%−117−7.7%Reduced
Symmetry Partners, LLC1,293$300.0K0.02%00.0%Unchanged
Marex Group plc1,299$301.1K0.01%+45+3.6%Added
Evergreen Wealth Solutions, LLC1,302$301.8K0.21%−220−14.5%Reduced
Ameritas Advisory Services, LLC1,307$303.0K0.01%−15−1.1%Reduced
Snowden Capital Advisors LLC1,307$303.0K0.01%+106+8.8%Added
Nwam LLC1,325$307.2K0.09%+1+0.1%Added
Personal Cfo Solutions, LLC1,339$310.4K0.05%+160+13.6%Added
Spirepoint Private Client, LLC1,349$312.7K0.04%00.0%Unchanged
Weik Capital Management1,350$313.0K0.13%−90−6.3%Reduced
Argent Trust Co1,351$313.2K0.01%−41−2.9%Reduced
NewEdge Wealth, LLC1,361$315.5K0.01%−13,134−90.6%Reduced
Cornell Pochily Investment Advisors, Inc.1,366$316.7K0.12%−75−5.2%Reduced
Resources Investment Advisors, LLC.1,380$319.9K0.00%+128+10.2%Added
Kingswood Wealth Advisors, LLC1,390$322.2K0.03%−169−10.8%Reduced
Financial Partners Group, LLC1,393$322.9K0.13%+345+32.9%Added
Virtus ETF Advisers LLC1,408$326.4K0.16%−78−5.2%Reduced
Pitcairn Co1,416$328.3K0.02%−175−11.0%Reduced
Platform Technology Partners1,422$329.6K0.11%+1,422New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,422$329.6K0.01%+1,422New
Wedbush Securities Inc1,441$334.0K0.01%−289−16.7%Reduced
Bank Pictet & Cie (Asia) Ltd1,444$334.7K0.11%00.0%Unchanged
Clearstead Advisors, LLC1,457$337.8K0.01%+16+1.1%Added
Wesbanco Bank Inc1,458$338.0K0.01%−30−2.0%Reduced
Sompo Asset Management Co., Ltd.1,460$338.5K0.06%+390+36.4%Added
Prospera Financial Services Inc1,472$341.2K0.01%−312−17.5%Reduced
Jones Financial Companies LLLP1,499$347.5K0.00%+1,330+787.0%Added
Supplemental Annuity Collective Trust of NJ1,500$347.7K0.11%00.0%Unchanged
IFG Advisory, LLC1,510$350.0K0.02%+1,510New
Cigna Investments Inc1,524$353.0K0.07%00.0%Unchanged
Deseret Mutual Benefit Administrators1,524$353.3K0.16%+79+5.5%Added
Analyst IMS Investment Management Services Ltd.1,527$354.0K0.01%00.0%Unchanged
FineMark National Bank & Trust1,535$355.8K0.01%−117−7.1%Reduced
Moloney Securities Asset Management, LLC1,537$356.3K0.05%+140+10.0%Added
Choate Investment Advisors1,542$357.5K0.01%−38−2.4%Reduced
Boston Private Wealth LLC1,552$359.8K0.01%+397+34.4%Added
Flagship Harbor Advisors, LLC1,558$361.2K0.02%+180+13.1%Added
Nicolet Bankshares Inc1,559$361.4K0.09%−1,535−49.6%Reduced
Simplify Asset Management Inc.1,562$362.1K0.03%+1,562New
Parkside Financial Bank & Trust1,569$363.7K0.06%+18+1.2%Added
Wynn Capital, LLC1,576$365.3K0.27%−15−0.9%Reduced
Whittier Trust Co1,583$367.0K0.01%−2,304−59.3%Reduced
Insigneo Advisory Services, LLC1,854$367.8K0.04%+174+10.4%Added
Intrust Bank NA1,591$368.8K0.04%−135−7.8%Reduced
NorthRock Partners, LLC1,595$369.8K0.01%+560+54.1%Added
Plancorp, LLC1,603$371.6K0.02%−3−0.2%Reduced
Wrapmanager Inc1,611$373.5K0.10%−467−22.5%Reduced
Regal Investment Advisors LLC1,633$378.6K0.03%−20−1.2%Reduced
Legacy Capital Group California, Inc.1,636$379.3K0.14%+595+57.2%Added
Western Wealth Management, LLC1,637$379.5K0.03%−30−1.8%Reduced
Wellington Shields Capital Management, LLC1,652$383.0K0.07%00.0%Unchanged
Trust Asset Management LLC1,662$385.3K0.03%00.0%Unchanged
Verdence Capital Advisors LLC1,668$386.7K0.03%+3+0.2%Added
Beacon Pointe Advisors, LLC1,673$387.8K0.00%−2,606−60.9%Reduced
LGT Fund Management Co Ltd.1,674$388.1K0.05%+1,674New
Atria Wealth Solutions, Inc.1,685$390.6K0.00%−5−0.3%Reduced
Regions Financial Corp1,695$392.9K0.00%−643−27.5%Reduced
Vident Advisory, LLC1,724$399.7K0.01%−668−27.9%Reduced
HighPoint Advisor Group LLC1,899$402.0K0.02%−8−0.4%Reduced
Twin Tree Management, LP1,737$402.7K0.01%+1,737New
Steward Partners Investment Advisory, LLC1,742$403.8K0.00%−129−6.9%Reduced
PFG Investments, LLC1,749$405.5K0.03%−105−5.7%Reduced
Syon Capital LLC1,767$409.6K0.04%+40+2.3%Added
Arden Trust Co1,781$412.9K0.06%00.0%Unchanged
GeoWealth Management, LLC1,793$415.7K0.02%+1,433+398.1%Added
Allianz SE1,798$416.8K0.01%+168+10.3%Added
Trail Ridge Investment Advisors, LLC1,807$418.9K0.22%00.0%Unchanged
International Assets Investment Management, LLC1,811$419.8K0.04%+100+5.8%Added
Simplicity Wealth,LLC1,831$424.5K0.01%−232−11.2%Reduced
Bleakley Financial Group, LLC1,832$424.7K0.01%−231−11.2%Reduced
David Loasby1,829$425.7K0.04%+246+15.5%Added
Rock Point Advisors, LLC1,840$426.5K0.13%00.0%Unchanged
Proathlete Wealth Management LLC1,844$427.5K0.20%−69−3.6%Reduced
Cary Street Partner Investment Advisory LLC1,844$427.5K0.02%+19+1.0%Added
PAX Financial Group, LLC1,856$430.3K0.08%−97−5.0%Reduced
Jacobi Capital Management LLC1,856$430.3K0.04%+192+11.5%Added
Fullcircle Wealth LLC1,906$430.8K0.21%+1,906New
Morningstar Investment Management LLC1,865$432.0K0.05%00.0%Unchanged
Forbes J M & Co LLP1,869$433.3K0.04%00.0%Unchanged
Peapack Gladstone Financial Corp1,885$437.0K0.01%+1+0.1%Added
Camelot Portfolios, LLC1,900$440.5K0.25%+1,900New
Humankind Investments LLC1,904$441.4K0.12%−283−12.9%Reduced
Westpac Banking Corp1,906$441.8K0.04%00.0%Unchanged
Mission Wealth Management, LP1,913$443.5K0.01%+87+4.8%Added
Liontrust Investment Partners LLP1,921$445.3K0.01%−10,198−84.1%Reduced