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 |
|---|---|---|---|---|---|
| Bank Pictet & Cie (Asia) Ltd | 5,083 | $1.32M | 0.33% | 00.0% | Unchanged |
| Unison Advisors LLC | 5,078 | $1.31M | 0.14% | 00.0% | Unchanged |
| Eaton Financial Holdings Company, LLC | 5,062 | $1.31M | 0.32% | +5,062 | New |
| Assetmark, Inc | 5,035 | $1.30M | 0.00% | +161+3.3% | Added |
| Everence Capital Management Inc | 5,000 | $1.29M | 0.09% | +1,050+26.6% | Added |
| Apollon Wealth Management, LLC | 4,994 | $1.29M | 0.04% | +3,990+397.4% | Added |
| UBS Oconnor LLC | 4,879 | $1.26M | 0.04% | −17,121−77.8% | Reduced |
| Dynamic Advisor Solutions LLC | 4,850 | $1.25M | 0.05% | +285+6.2% | Added |
| Enterprise Bank & Trust Co | 4,616 | $1.19M | 0.43% | −39−0.8% | Reduced |
| Private Advisor Group, LLC | 4,609 | $1.19M | 0.01% | −20−0.4% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 4,586 | $1.19M | 0.03% | +15+0.3% | Added |
| Pinnacle Associates Ltd | 4,557 | $1.18M | 0.02% | +16+0.4% | Added |
| Beacon Pointe Advisors, LLC | 4,542 | $1.18M | 0.01% | −13,614−75.0% | Reduced |
| Millennium Management LLC | 4,535 | $1.17M | 0.00% | −73,609−94.2% | Reduced |
| 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 |
| Cetera Investment Advisers | 4,435 | $1.15M | 0.01% | +4+0.1% | Added |
| Banque Cantonale Vaudoise | 4,422 | $1.15M | 0.05% | −1,391−23.9% | Reduced |
| Citizens & Northern Corp | 4,404 | $1.14M | 0.41% | −190−4.1% | Reduced |
| FDx Advisors, Inc. | 4,396 | $1.14M | 0.09% | +1,478+50.7% | Added |
| Sumitomo Life Insurance Co | 4,391 | $1.14M | 0.04% | −228−4.9% | Reduced |
| Atria Investments LLC | 4,374 | $1.13M | 0.02% | +4,374 | New |
| Ieq Capital, LLC | 4,283 | $1.11M | 0.02% | −669−13.5% | Reduced |
| Congress Park Capital LLC | 4,117 | $1.07M | 0.52% | −931−18.4% | Reduced |
| Whittier Trust Co | 4,097 | $1.06M | 0.02% | +136+3.4% | Added |
| E Fund Management Co., Ltd. | 4,055 | $1.05M | 0.07% | +353+9.5% | Added |
| Stratos Wealth Partners, LTD. | 4,023 | $1.04M | 0.02% | −9−0.2% | Reduced |
| Hills Bank & Trust Co | 4,020 | $1.04M | 0.10% | +33+0.8% | Added |
| Farmers & Merchants Investments Inc | 4,007 | $1.04M | 0.04% | −20−0.5% | Reduced |
| Cohen Klingenstein LLC | 4,000 | $1.04M | 0.04% | 00.0% | Unchanged |
| Privium Fund Management B.V. | 3,860 | $1.03M | 0.29% | +772+25.0% | Added |
| Texas Yale Capital Corp. | 3,987 | $1.03M | 0.05% | 00.0% | Unchanged |
| Motley Fool Asset Management LLC | 3,969 | $1.03M | 0.08% | −23−0.6% | Reduced |
| Jefferies Financial Group Inc. | 3,929 | $1.02M | 0.02% | −5,561−58.6% | Reduced |
| Richwood Investment Advisors, LLC | 3,900 | $1.01M | 0.95% | −107−2.7% | Reduced |
| Premier Path Wealth Partners, LLC | 3,825 | $1.00M | 0.22% | +3,825 | New |
| O'Shaughnessy Asset Management, LLC | 3,752 | $970.9K | 0.01% | −1,451−27.9% | Reduced |
| Gotham Asset Management, LLC | 3,684 | $953.3K | 0.02% | −15,766−81.1% | Reduced |
| Dohj, LLC | 3,675 | $951.0K | 0.28% | +3,675 | New |
| South Dakota Investment Council | 3,619 | $936.0K | 0.02% | 00.0% | Unchanged |
| Ironwood Financial, llc | 3,614 | $935.2K | 0.23% | 00.0% | Unchanged |
| Moody Aldrich Partners LLC | 3,610 | $934.2K | 0.17% | +1,080+42.7% | Added |
| Vestcor Inc | 3,511 | $909.0K | 0.03% | −29−0.8% | Reduced |
| Tiaa Trust, National Association | 3,502 | $906.2K | 0.00% | −92−2.6% | Reduced |
| Mutual Advisors, LLC | 3,496 | $904.7K | 0.03% | +475+15.7% | Added |
| Missouri Trust & Investment Co | 3,462 | $895.9K | 0.36% | −210−5.7% | Reduced |
| CWM, LLC | 3,458 | $895.0K | 0.00% | −200−5.5% | Reduced |
| National Asset Management, Inc. | 3,378 | $874.1K | 0.02% | −97−2.8% | Reduced |
| Roberts Glore & Co Inc | 3,346 | $865.8K | 0.27% | +4+0.1% | Added |
| Cowen and Company, LLC | 3,326 | $860.7K | 0.06% | +3,326 | New |
| CenterBook Partners LP | 3,308 | $856.0K | 0.10% | +3,308 | New |
| Public Sector Pension Investment Board | 3,296 | $852.9K | 0.01% | −12,254−78.8% | Reduced |
| Northwest Bank & Trust Co | 3,273 | $846.9K | 0.76% | +3,273 | New |
| Investment House LLC | 3,269 | $845.9K | 0.06% | −67−2.0% | Reduced |
| Massachusetts Wealth Management | 3,250 | $841.0K | 0.68% | +50+1.6% | 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 |
| Autumn Glory Partners, LLC | 3,184 | $823.4K | 0.47% | +63+2.0% | Added |
| Klingenstein Fields & Co LP | 3,143 | $813.3K | 0.04% | 00.0% | Unchanged |
| XTX Topco Ltd | 3,140 | $812.5K | 0.18% | +1,021+48.2% | Added |
| TD Private Client Wealth LLC | 3,133 | $810.7K | 0.03% | −294−8.6% | Reduced |
| Fifth Third Bancorp | 3,120 | $807.4K | 0.00% | −131−4.0% | Reduced |
| Horizon Kinetics Asset Management LLC | 3,119 | $807.1K | 0.02% | −131−4.0% | Reduced |
| Aigen Investment Management, LP | 3,108 | $804.3K | 0.14% | +3,108 | New |
| Impax Asset Management Group plc | 3,088 | $799.1K | 0.00% | −4−0.1% | Reduced |
| Portside Wealth Group, LLC | 3,062 | $792.4K | 0.15% | −522−14.6% | Reduced |
| Nicolet Bankshares Inc | 3,062 | $792.4K | 0.21% | +311+11.3% | Added |
| Forum Financial Management, LP | 3,043 | $787.4K | 0.01% | 00.0% | Unchanged |
| Adviser Investments LLC | 3,022 | $781.9K | 0.01% | +3,022 | New |
| Bessemer Group Inc | 3,011 | $779.0K | 0.00% | −2,055−40.6% | Reduced |
| Aquila Investment Management LLC | 3,000 | $776.3K | 0.67% | 00.0% | Unchanged |
| Trail Ridge Investment Advisors, LLC | 2,999 | $776.1K | 0.48% | −271−8.3% | Reduced |
| Trust Co of Toledo NA | 2,975 | $769.8K | 0.13% | +235+8.6% | Added |
| United Bank | 2,957 | $765.2K | 0.42% | −92−3.0% | Reduced |
| Cim Investment Mangement Inc | 2,946 | $762.3K | 0.25% | −130−4.2% | Reduced |
| Tokio Marine Asset Management Co Ltd | 2,943 | $761.6K | 0.04% | 00.0% | Unchanged |
| Nomura Holdings Inc | 2,924 | $756.6K | 0.01% | +2,924 | New |
| KCM Investment Advisors LLC | 2,905 | $751.7K | 0.03% | −14−0.5% | Reduced |
| Axq Capital, LP | 2,900 | $750.4K | 0.20% | −900−23.7% | Reduced |
| Baker Tilly Wealth Management, LLC | 2,881 | $745.5K | 0.12% | −241−7.7% | Reduced |
| 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 |
| Callan Capital, LLC | 2,818 | $729.2K | 0.07% | +329+13.2% | Added |
| Lido Advisors, LLC | 2,815 | $728.3K | 0.01% | +1,843+189.6% | Added |
| Peapack Gladstone Financial Corp | 2,813 | $728.0K | 0.01% | −143−4.8% | Reduced |
| Great Valley Advisor Group, Inc. | 2,786 | $721.4K | 0.03% | +1,341+92.8% | Added |
| Focus Financial Network Inc | 2,777 | $718.6K | 0.03% | +2,777 | New |
| Kestra Advisory Services, LLC | 2,771 | $717.1K | 0.01% | +113+4.3% | Added |
| GHP Investment Advisors, Inc. | 2,750 | $711.6K | 0.04% | −144−5.0% | Reduced |
| Stonegate Investment Group, LLC | 2,738 | $708.5K | 0.02% | −3−0.1% | Reduced |
| Fiduciary Trust Co | 2,710 | $701.3K | 0.01% | −104−3.7% | Reduced |
| CIBC Private Wealth Group, LLC | 2,710 | $701.2K | 0.00% | +11+0.4% | Added |
| Basepoint Wealth LLC | 2,679 | $693.4K | 0.56% | −101−3.6% | Reduced |
| Cerity Partners LLC | 2,678 | $693.1K | 0.00% | +360+15.5% | Added |
| Sequoia Financial Advisors, LLC | 2,668 | $690.4K | 0.01% | +625+30.6% | Added |
| V-Square Quantitative Management LLC | 2,661 | $688.6K | 0.16% | +639+31.6% | Added |
| Eagle Global Advisors LLC | 2,625 | $679.3K | 0.04% | 00.0% | Unchanged |
| ARGA Investment Management, LP | 2,622 | $678.5K | 0.02% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 2,619 | $677.7K | 0.02% | −83−3.1% | Reduced |
| QRG Capital Management, Inc. | 2,583 | $668.4K | 0.01% | −1,295−33.4% | Reduced |