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 2026
Institutional positions in Biogen Inc. as of Jun 30, 2026. 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
- 1,047
- +42 vs. Q1 2026
- Shares held
- 142.3M
- +7.45M (+5.5%) vs. Q1 2026
- Total value
- $30.7B
- +$6.00B (+24.3%) vs. Q1 2026
- New holders
- 126
- 427 more added
- Sold out
- 84
- 297 more reduced
10 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,047 | $30.7B |
| Q1 2026 | 1,015 | $24.7B |
| Q4 2025 | 1,002 | $24.6B |
| Q3 2025 | 909 | $18.4B |
| Q2 2025 | 867 | $16.3B |
| Q1 2025 | 882 | $17.7B |
| Q4 2024 | 879 | $20.2B |
| Q3 2024 | 921 | $25.1B |
| Q2 2024 | 947 | $29.9B |
| Q1 2024 | 955 | $28.0B |
| Q4 2023 | 1,005 | $33.3B |
| Q3 2023 | 966 | $32.2B |
| Q2 2023 | 1,009 | $36.1B |
| Q1 2023 | 1,004 | $35.0B |
| Q4 2022 | 1,033 | $34.6B |
| Q3 2022 | 987 | $33.0B |
| Q2 2022 | 930 | $25.0B |
| Q1 2022 | 954 | $25.9B |
| Q4 2021 | 1,014 | $29.7B |
| Q3 2021 | 1,044 | $35.1B |
| Q2 2021 | 1,107 | $43.6B |
| Q1 2021 | 1,096 | $35.7B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Resources Investment Advisors, LLC. | 1,283 | $277.2K | 0.00% | +182+16.5% | Added |
| SageView Advisory Group, LLC | 1,263 | $272.9K | 0.01% | −2−0.2% | Reduced |
| Ameritas Investment Partners, Inc. | 1,262 | $272.7K | 0.01% | −74−5.5% | Reduced |
| Inceptionr LLC | 1,261 | $272.5K | 0.07% | −987−43.9% | Reduced |
| Independent Advisor Alliance | 1,261 | $272.5K | 0.01% | +75+6.3% | Added |
| Financial Solutions Advisory Group, Inc. | 1,368 | $272.1K | 0.03% | −4−0.3% | Reduced |
| Northwest Wealth Management, LLC | 1,255 | $271.2K | 0.04% | +103+8.9% | Added |
| Fieldview Capital Management, LLC | 1,250 | $270.1K | 0.08% | −16,409−92.9% | Reduced |
| MMBG Investment Advisors Co. | 1,248 | $269.6K | 0.02% | 00.0% | Unchanged |
| Financial Symmetry Inc | 1,248 | $269.5K | 0.09% | 00.0% | Unchanged |
| Rehmann Capital Advisory Group | 1,236 | $267.1K | 0.01% | +71+6.1% | Added |
| Clearstead Advisors, LLC | 1,217 | $262.9K | 0.00% | −1,306−51.8% | Reduced |
| Johnson Investment Counsel Inc | 1,216 | $262.7K | 0.00% | −30−2.4% | Reduced |
| Regions Financial Corp | 1,192 | $257.5K | 0.00% | +4+0.3% | Added |
| Sym Financial Corp | 1,186 | $256.2K | 0.02% | +36+3.1% | Added |
| Capstone Wealth Management, LLC | 1,185 | $256.0K | 0.12% | +1,185 | New |
| Tower Research Capital LLC (TRC) | 1,184 | $255.8K | 0.01% | −975−45.2% | Reduced |
| Prosperity Consulting Group, LLC | 1,182 | $255.4K | 0.01% | +1,182 | New |
| Kingsview Wealth Management, LLC | 1,171 | $253.0K | 0.00% | +15+1.3% | Added |
| D.A. Davidson & Co. | 1,164 | $251.5K | 0.00% | −54−4.4% | Reduced |
| Wedbush Securities Inc | 1,164 | $251.0K | 0.01% | +56+5.1% | Added |
| Aptus Capital Advisors, LLC | 1,156 | $249.8K | 0.00% | −132−10.2% | Reduced |
| Investment House LLC | 1,155 | $249.5K | 0.01% | 00.0% | Unchanged |
| LVW Advisors, LLC | 1,154 | $249.3K | 0.02% | −535−31.7% | Reduced |
| Diversified Trust Co | 1,154 | $249.3K | 0.00% | −112−8.8% | Reduced |
| McMillan Office, Inc. | 1,150 | $248.5K | 0.03% | 00.0% | Unchanged |
| Bridgewater Advisors Inc. | 1,241 | $247.6K | 0.01% | +18+1.5% | Added |
| Probity Advisors, Inc. | 1,142 | $246.7K | 0.04% | +11+1.0% | Added |
| Platform Technology Partners | 1,136 | $245.4K | 0.04% | −65−5.4% | Reduced |
| Foundations Investment Advisors, LLC | 1,123 | $242.6K | 0.00% | +1,123 | New |
| New Age Alpha Advisors, LLC | 1,119 | $241.8K | 0.01% | 00.0% | Unchanged |
| Bell Bank | 1,109 | $239.6K | 0.01% | 00.0% | Unchanged |
| Lighthouse Financial LLC | 1,100 | $237.7K | 0.12% | −1−0.1% | Reduced |
| TRB Wealth Management, LLC | 1,097 | $237.0K | 0.03% | 00.0% | Unchanged |
| Western Wealth Management, LLC | 1,088 | $235.1K | 0.01% | −95−8.0% | Reduced |
| Stephens Inc | 1,086 | $234.6K | 0.00% | +1,086 | New |
| Global Retirement Partners, LLC | 1,085 | $234.4K | 0.00% | +1,085 | New |
| Eads & Heald Wealth Management | 1,081 | $233.6K | 0.11% | +1,081 | New |
| EagleClaw Capital Managment, LLC | 1,079 | $233.1K | 0.03% | +1,079 | New |
| Trust Point Inc. | 1,078 | $232.9K | 0.02% | +1,078 | New |
| Basepoint Wealth LLC | 1,074 | $231.9K | 0.13% | −104−8.8% | Reduced |
| Essex Financial Services, Inc. | 1,072 | $231.6K | 0.01% | +1,072 | New |
| Moneta Group Investment Advisors LLC | 1,069 | $231.0K | 0.00% | +1,069 | New |
| Claret Asset Management Corp | 1,063 | $230.0K | 0.02% | −771−42.0% | Reduced |
| May Hill Capital, LLC | 1,061 | $229.2K | 0.05% | +1,061 | New |
| Proathlete Wealth Management LLC | 1,060 | $229.0K | 0.06% | −884−45.5% | Reduced |
| Israel Discount Bank of New York | 1,055 | $227.9K | 0.42% | +1,055 | New |
| Sentinus, LLC | 1,052 | $227.3K | 0.02% | +1,052 | New |
| Quotient Wealth Partners, LLC | 1,047 | $226.3K | 0.01% | −50−4.6% | Reduced |
| Calamos Wealth Management LLC | 1,046 | $226.0K | 0.01% | +1,046 | New |
| Cladis Investment Advisory, LLC | 1,040 | $224.7K | 0.11% | +1,040 | New |
| Mason & Associates Inc | 1,038 | $224.3K | 0.04% | +1,038 | New |
| Pinnacle Wealth Planning Services, Inc. | 1,033 | $223.2K | 0.02% | +3+0.3% | Added |
| Investors Asset Management of Georgia Inc | 1,032 | $223.0K | 0.08% | +1,032 | New |
| R2 Capital Strategies, LLC | 1,030 | $222.5K | 0.10% | +1,030 | New |
| Advisors Capital Management, LLC | 1,020 | $220.4K | 0.00% | +1,020 | New |
| Advyzon Investment Management, LLC | 1,000 | $216.1K | 0.02% | −129−11.4% | Reduced |
| Burns J W & Co Inc | 1,000 | $216.1K | 0.02% | +1,000 | New |
| J. L. Bainbridge & Co., Inc. | 1,000 | $216.1K | 0.02% | +1,000 | New |
| Corecam Pte. Ltd. | 1,000 | $216.1K | 0.08% | +1,000 | New |
| Vantus Wealth LLC | 994 | $214.8K | 0.12% | +994 | New |
| Abundance Wealth Counselors | 992 | $214.3K | 0.01% | +992 | New |
| Keynote Financial Services LLC | 977 | $211.1K | 0.10% | +977 | New |
| Horizon Bancorp Inc | 973 | $210.0K | 0.10% | −44−4.3% | Reduced |
| Fiduciary Trust Co | 959 | $207.1K | 0.00% | +959 | New |
| Daymark Wealth Partners, LLC | 956 | $206.6K | 0.01% | +956 | New |
| Waters Parkerson & Co., LLC | 951 | $205.5K | 0.01% | +951 | New |
| Sarissa Capital Management LP | 950 | $205.3K | 0.12% | +950 | New |
| Supplemental Annuity Collective Trust of NJ | 947 | $204.6K | 0.05% | +947 | New |
| Norden Group LLC | 945 | $204.2K | 0.02% | +945 | New |
| Mainsail Asset Management, LLC | 991 | $204.1K | 0.08% | +991 | New |
| Range Advisory, LLC | 929 | $200.7K | 0.02% | +929 | New |
| Mascoma Wealth Management LLC | 927 | $200.3K | 0.04% | 00.0% | Unchanged |
| Larson Financial Group LLC | 924 | $199.6K | 0.01% | +43+4.9% | Added |
| Nexus Investment Management ULC | 920 | $198.8K | 0.03% | 00.0% | Unchanged |
| Acima Private Wealth, LLC | 916 | $197.9K | 0.06% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 905 | $195.5K | 0.03% | +4+0.4% | Added |
| Bryn Mawr Trust Co | 889 | $192.1K | 0.00% | +22+2.5% | Added |
| Legacy Bridge, LLC | 880 | $190.1K | 0.06% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 858 | $185.4K | 0.01% | +604+237.8% | Added |
| Sava Infond d.o.o. | 825 | $178.3K | 0.01% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 821 | $177.0K | 0.13% | +1+0.1% | Added |
| Centennial Bank | 800 | $172.8K | 0.06% | 00.0% | Unchanged |
| Eastern Bank | 796 | $172.0K | 0.00% | 00.0% | Unchanged |
| Deseret Mutual Benefit Administrators | 775 | $167.4K | 0.05% | −168−17.8% | Reduced |
| Massmutual Trust Co FSB | 733 | $158.4K | 0.00% | −17−2.3% | Reduced |
| Whittier Trust Co | 699 | $145.7K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 674 | $145.6K | 0.00% | −34,684−98.1% | Reduced |
| Wilkerson Advisory Group LLC | 672 | $145.2K | 0.04% | +79+13.3% | Added |
| TD Waterhouse Canada Inc. | 690 | $144.8K | 0.00% | −1−0.1% | Reduced |
| Bayforest Capital Ltd | 667 | $144.1K | 0.13% | +667 | New |
| Salem Investment Counselors Inc | 599 | $129.4K | 0.00% | +33+5.8% | Added |
| Tidemark, LLC | 593 | $128.1K | 0.03% | 00.0% | Unchanged |
| CVA Family Office, LLC | 592 | $127.9K | 0.01% | +11+1.9% | Added |
| TIAA Wealth Investment Management LLC | 576 | $124.5K | 0.00% | −53−8.4% | Reduced |
| Walleye Capital LLC | 569 | $122.9K | 0.00% | −34,770−98.4% | Reduced |
| Alpine Bank Wealth Management | 545 | $117.8K | 0.02% | +545 | New |
| Cromwell Holdings LLC | 535 | $115.6K | 0.05% | +20+3.9% | Added |
| Hanson & Doremus Investment Management | 525 | $113.0K | 0.01% | 00.0% | Unchanged |
| Groupe la Francaise | 519 | $112.1K | 0.00% | +519 | New |