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.
| 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, Q4 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wetherby Asset Management Inc | 2,508 | $649.0K | 0.03% | −177−6.6% | Reduced |
| Atria Wealth Solutions, Inc. | 2,526 | $653.7K | 0.01% | −58−2.2% | Reduced |
| Park Avenue Securities LLC | 2,551 | $660.0K | 0.01% | −281−9.9% | Reduced |
| Horizon Investments, LLC | 2,551 | $660.1K | 0.02% | +52+2.1% | Added |
| QRG Capital Management, Inc. | 2,583 | $668.4K | 0.01% | −1,295−33.4% | Reduced |
| Raymond James Trust N.A. | 2,619 | $677.7K | 0.02% | −83−3.1% | Reduced |
| ARGA Investment Management, LP | 2,622 | $678.5K | 0.02% | 00.0% | Unchanged |
| Eagle Global Advisors LLC | 2,625 | $679.3K | 0.04% | 00.0% | Unchanged |
| V-Square Quantitative Management LLC | 2,661 | $688.6K | 0.16% | +639+31.6% | Added |
| Sequoia Financial Advisors, LLC | 2,668 | $690.4K | 0.01% | +625+30.6% | Added |
| Cerity Partners LLC | 2,678 | $693.1K | 0.00% | +360+15.5% | Added |
| Basepoint Wealth LLC | 2,679 | $693.4K | 0.56% | −101−3.6% | Reduced |
| CIBC Private Wealth Group, LLC | 2,710 | $701.2K | 0.00% | +11+0.4% | Added |
| Fiduciary Trust Co | 2,710 | $701.3K | 0.01% | −104−3.7% | Reduced |
| Stonegate Investment Group, LLC | 2,738 | $708.5K | 0.02% | −3−0.1% | Reduced |
| GHP Investment Advisors, Inc. | 2,750 | $711.6K | 0.04% | −144−5.0% | Reduced |
| Kestra Advisory Services, LLC | 2,771 | $717.1K | 0.01% | +113+4.3% | Added |
| Focus Financial Network Inc | 2,777 | $718.6K | 0.03% | +2,777 | New |
| Great Valley Advisor Group, Inc. | 2,786 | $721.4K | 0.03% | +1,341+92.8% | Added |
| Peapack Gladstone Financial Corp | 2,813 | $728.0K | 0.01% | −143−4.8% | Reduced |
| Lido Advisors, LLC | 2,815 | $728.3K | 0.01% | +1,843+189.6% | Added |
| Callan Capital, LLC | 2,818 | $729.2K | 0.07% | +329+13.2% | Added |
| Lindenwold Advisors | 2,880 | $745.3K | 0.42% | −1,804−38.5% | Reduced |
| Fernwood Investment Management, LLC | 2,880 | $745.3K | 0.25% | 00.0% | Unchanged |
| Baker Tilly Wealth Management, LLC | 2,881 | $745.5K | 0.12% | −241−7.7% | Reduced |
| Axq Capital, LP | 2,900 | $750.4K | 0.20% | −900−23.7% | Reduced |
| KCM Investment Advisors LLC | 2,905 | $751.7K | 0.03% | −14−0.5% | Reduced |
| Nomura Holdings Inc | 2,924 | $756.6K | 0.01% | +2,924 | New |
| Tokio Marine Asset Management Co Ltd | 2,943 | $761.6K | 0.04% | 00.0% | Unchanged |
| Cim Investment Mangement Inc | 2,946 | $762.3K | 0.25% | −130−4.2% | Reduced |
| United Bank | 2,957 | $765.2K | 0.42% | −92−3.0% | Reduced |
| Trust Co of Toledo NA | 2,975 | $769.8K | 0.13% | +235+8.6% | Added |
| Trail Ridge Investment Advisors, LLC | 2,999 | $776.1K | 0.48% | −271−8.3% | Reduced |
| Aquila Investment Management LLC | 3,000 | $776.3K | 0.67% | 00.0% | Unchanged |
| Bessemer Group Inc | 3,011 | $779.0K | 0.00% | −2,055−40.6% | Reduced |
| Adviser Investments LLC | 3,022 | $781.9K | 0.01% | +3,022 | New |
| Forum Financial Management, LP | 3,043 | $787.4K | 0.01% | 00.0% | Unchanged |
| Nicolet Bankshares Inc | 3,062 | $792.4K | 0.21% | +311+11.3% | Added |
| Portside Wealth Group, LLC | 3,062 | $792.4K | 0.15% | −522−14.6% | Reduced |
| Impax Asset Management Group plc | 3,088 | $799.1K | 0.00% | −4−0.1% | Reduced |
| Aigen Investment Management, LP | 3,108 | $804.3K | 0.14% | +3,108 | New |
| Horizon Kinetics Asset Management LLC | 3,119 | $807.1K | 0.02% | −131−4.0% | Reduced |
| Fifth Third Bancorp | 3,120 | $807.4K | 0.00% | −131−4.0% | Reduced |
| TD Private Client Wealth LLC | 3,133 | $810.7K | 0.03% | −294−8.6% | Reduced |
| XTX Topco Ltd | 3,140 | $812.5K | 0.18% | +1,021+48.2% | Added |
| Klingenstein Fields & Co LP | 3,143 | $813.3K | 0.04% | 00.0% | Unchanged |
| Autumn Glory Partners, LLC | 3,184 | $823.4K | 0.47% | +63+2.0% | Added |
| Envestnet Portfolio Solutions, Inc. | 3,219 | $833.0K | 0.00% | −20,761−86.6% | Reduced |
| Alhambra Investment Partners LLC | 3,219 | $833.0K | 0.49% | −724−18.4% | Reduced |
| Massachusetts Wealth Management | 3,250 | $841.0K | 0.68% | +50+1.6% | Added |
| Investment House LLC | 3,269 | $845.9K | 0.06% | −67−2.0% | Reduced |
| Northwest Bank & Trust Co | 3,273 | $846.9K | 0.76% | +3,273 | New |
| Public Sector Pension Investment Board | 3,296 | $852.9K | 0.01% | −12,254−78.8% | Reduced |
| CenterBook Partners LP | 3,308 | $856.0K | 0.10% | +3,308 | New |
| Cowen and Company, LLC | 3,326 | $860.7K | 0.06% | +3,326 | New |
| Roberts Glore & Co Inc | 3,346 | $865.8K | 0.27% | +4+0.1% | Added |
| National Asset Management, Inc. | 3,378 | $874.1K | 0.02% | −97−2.8% | Reduced |
| CWM, LLC | 3,458 | $895.0K | 0.00% | −200−5.5% | Reduced |
| Missouri Trust & Investment Co | 3,462 | $895.9K | 0.36% | −210−5.7% | Reduced |
| Mutual Advisors, LLC | 3,496 | $904.7K | 0.03% | +475+15.7% | Added |
| Tiaa Trust, National Association | 3,502 | $906.2K | 0.00% | −92−2.6% | Reduced |
| Vestcor Inc | 3,511 | $909.0K | 0.03% | −29−0.8% | Reduced |
| Moody Aldrich Partners LLC | 3,610 | $934.2K | 0.17% | +1,080+42.7% | Added |
| Ironwood Financial, llc | 3,614 | $935.2K | 0.23% | 00.0% | Unchanged |
| South Dakota Investment Council | 3,619 | $936.0K | 0.02% | 00.0% | Unchanged |
| Dohj, LLC | 3,675 | $951.0K | 0.28% | +3,675 | New |
| Gotham Asset Management, LLC | 3,684 | $953.3K | 0.02% | −15,766−81.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 3,752 | $970.9K | 0.01% | −1,451−27.9% | Reduced |
| Premier Path Wealth Partners, LLC | 3,825 | $1.00M | 0.22% | +3,825 | New |
| Richwood Investment Advisors, LLC | 3,900 | $1.01M | 0.95% | −107−2.7% | Reduced |
| Jefferies Financial Group Inc. | 3,929 | $1.02M | 0.02% | −5,561−58.6% | Reduced |
| Motley Fool Asset Management LLC | 3,969 | $1.03M | 0.08% | −23−0.6% | Reduced |
| Texas Yale Capital Corp. | 3,987 | $1.03M | 0.05% | 00.0% | Unchanged |
| Privium Fund Management B.V. | 3,860 | $1.03M | 0.29% | +772+25.0% | Added |
| Cohen Klingenstein LLC | 4,000 | $1.04M | 0.04% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 4,007 | $1.04M | 0.04% | −20−0.5% | Reduced |
| Hills Bank & Trust Co | 4,020 | $1.04M | 0.10% | +33+0.8% | Added |
| Stratos Wealth Partners, LTD. | 4,023 | $1.04M | 0.02% | −9−0.2% | Reduced |
| E Fund Management Co., Ltd. | 4,055 | $1.05M | 0.07% | +353+9.5% | Added |
| Whittier Trust Co | 4,097 | $1.06M | 0.02% | +136+3.4% | Added |
| Congress Park Capital LLC | 4,117 | $1.07M | 0.52% | −931−18.4% | Reduced |
| Ieq Capital, LLC | 4,283 | $1.11M | 0.02% | −669−13.5% | Reduced |
| Atria Investments LLC | 4,374 | $1.13M | 0.02% | +4,374 | New |
| Sumitomo Life Insurance Co | 4,391 | $1.14M | 0.04% | −228−4.9% | Reduced |
| FDx Advisors, Inc. | 4,396 | $1.14M | 0.09% | +1,478+50.7% | Added |
| Citizens & Northern Corp | 4,404 | $1.14M | 0.41% | −190−4.1% | Reduced |
| Banque Cantonale Vaudoise | 4,422 | $1.15M | 0.05% | −1,391−23.9% | Reduced |
| Cetera Investment Advisers | 4,435 | $1.15M | 0.01% | +4+0.1% | Added |
| Tocqueville Asset Management L.P. | 4,510 | $1.17M | 0.02% | +289+6.8% | Added |
| Uncommon Cents Investing LLC | 4,510 | $1.17M | 0.39% | +795+21.4% | Added |
| Millennium Management LLC | 4,535 | $1.17M | 0.00% | −73,609−94.2% | Reduced |
| Beacon Pointe Advisors, LLC | 4,542 | $1.18M | 0.01% | −13,614−75.0% | Reduced |
| Pinnacle Associates Ltd | 4,557 | $1.18M | 0.02% | +16+0.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 4,586 | $1.19M | 0.03% | +15+0.3% | Added |
| Private Advisor Group, LLC | 4,609 | $1.19M | 0.01% | −20−0.4% | Reduced |
| Enterprise Bank & Trust Co | 4,616 | $1.19M | 0.43% | −39−0.8% | Reduced |
| Dynamic Advisor Solutions LLC | 4,850 | $1.25M | 0.05% | +285+6.2% | Added |
| UBS Oconnor LLC | 4,879 | $1.26M | 0.04% | −17,121−77.8% | Reduced |
| Apollon Wealth Management, LLC | 4,994 | $1.29M | 0.04% | +3,990+397.4% | Added |
| Everence Capital Management Inc | 5,000 | $1.29M | 0.09% | +1,050+26.6% | Added |