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, Q1 2024
Institutional positions in Biogen Inc. as of Mar 31, 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
- 955
- −41 vs. Q4 2023
- Shares held
- 129.7M
- +1.13M (+0.9%) vs. Q4 2023
- Total value
- $28.0B
- −$5.30B (−15.9%) vs. Q4 2023
- New holders
- 105
- 304 more added
- Sold out
- 146
- 354 more reduced
9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 120,721 | $26.0M | 0.03% | −134,394−52.7% | Reduced |
| APG Asset Management N.V. | 126,670 | $25.3M | 0.04% | +3,434+2.8% | Added |
| Rafferty Asset Management, LLC | 112,816 | $24.3M | 0.09% | +16,934+17.7% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 110,908 | $23.9M | 0.27% | −3,992−3.5% | Reduced |
| New York State Common Retirement Fund | 109,175 | $23.5M | 0.03% | −14,028−11.4% | Reduced |
| Canada Pension Plan Investment Board | 109,159 | $23.5M | 0.02% | +3,233+3.1% | Added |
| DekaBank Deutsche Girozentrale | 109,198 | $23.5M | 0.04% | −174,070−61.5% | Reduced |
| Swedbank AB | 106,383 | $22.9M | 0.03% | +227+0.2% | Added |
| Letko, Brosseau & Associates Inc | 105,307 | $22.7M | 0.39% | +893+0.9% | Added |
| Nordea Investment Management AB | 105,376 | $22.7M | 0.03% | −31,354−22.9% | Reduced |
| Prudential Financial Inc | 104,945 | $22.6M | 0.03% | −24,148−18.7% | Reduced |
| Bank of Nova Scotia | 103,059 | $22.2M | 0.04% | −57,204−35.7% | Reduced |
| Federated Hermes, Inc. | 102,724 | $22.2M | 0.05% | +2,576+2.6% | Added |
| Twinbeech Capital LP | 102,251 | $22.0M | 0.45% | +102,251 | New |
| Natixis | 101,738 | $21.9M | 0.12% | +34,665+51.7% | Added |
| Qube Research & Technologies Ltd | 100,845 | $21.7M | 0.04% | +100,845 | New |
| Armistice Capital, LLC | 100,049 | $21.6M | 0.57% | −99,951−50.0% | Reduced |
| Storebrand Asset Management AS | 99,378 | $21.4M | 0.07% | −47,710−32.4% | Reduced |
| Voya Investment Management LLC | 98,088 | $21.2M | 0.02% | −17,380−15.1% | Reduced |
| Sprucegrove Investment Management Ltd | 96,855 | $20.9M | 0.84% | +34,100+54.3% | Added |
| Toronto Dominion Bank | 95,684 | $20.6M | 0.03% | +3,444+3.7% | Added |
| Treasurer of the State of North Carolina | 93,473 | $20.2M | 0.09% | −2,379−2.5% | Reduced |
| United Capital Financial Advisers, LLC | 91,376 | $19.7M | 0.16% | −3,894−4.1% | Reduced |
| SEI Investments Co | 90,451 | $19.5M | 0.03% | +837+0.9% | Added |
| State of Wisconsin Investment Board | 88,563 | $19.1M | 0.05% | +11,001+14.2% | Added |
| Jane Street Group, LLC | 85,994 | $18.5M | 0.02% | −118,694−58.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 85,595 | $18.5M | 0.09% | −100−0.1% | Reduced |
| Danske Bank A/S | 83,854 | $18.1M | 0.06% | +83,854 | New |
| State of New Jersey Common Pension Fund D | 82,025 | $17.7M | 0.05% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 80,965 | $17.5M | 0.06% | −704−0.9% | Reduced |
| Woodline Partners LP | 80,600 | $17.4M | 0.16% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 80,500 | $17.4M | 0.57% | +73,700+1,083.8% | Added |
| Schroder Investment Management Group | 79,489 | $17.1M | 0.02% | −13,142−14.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 78,053 | $16.8M | 0.04% | −6,254−7.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 75,355 | $16.2M | 0.06% | −94,026−55.5% | Reduced |
| National Bank of Canada | 72,824 | $16.1M | 0.03% | −128,451−63.8% | Reduced |
| Soleus Capital Management, L.P. | 72,800 | $15.7M | 1.38% | +72,800 | New |
| Sphera Funds Management Ltd. | 70,646 | $15.2M | 2.47% | +24,300+52.4% | Added |
| Nomura Asset Management Co Ltd | 70,044 | $15.1M | 0.05% | −1,651−2.3% | Reduced |
| Guggenheim Capital LLC | 69,050 | $14.9M | 0.11% | +995+1.5% | Added |
| Public Employees Retirement System of Ohio | 64,530 | $13.9M | 0.05% | −7,263−10.1% | Reduced |
| Handelsbanken Fonder AB | 64,060 | $13.8M | 0.06% | +6,527+11.3% | Added |
| Jump Financial, LLC | 63,766 | $13.7M | 0.37% | +62,429+4,669.3% | Added |
| Fisher Asset Management, LLC | 61,544 | $13.3M | 0.01% | −2,234−3.5% | Reduced |
| Voloridge Investment Management, LLC | 60,220 | $13.0M | 0.05% | +60,220 | New |
| Gilder Gagnon Howe & Co LLC | 59,941 | $12.9M | 0.16% | −8,538−12.5% | Reduced |
| Sector Gamma AS | 59,698 | $12.9M | 3.63% | −42,536−41.6% | Reduced |
| Edmond de Rothschild Holding S.A. | 59,680 | $12.9M | 0.21% | +11,547+24.0% | Added |
| Stifel Financial Corp | 59,475 | $12.8M | 0.01% | +7,827+15.2% | Added |
| Asset Management One Co.,Ltd. | 58,910 | $12.7M | 0.05% | −2,347−3.8% | Reduced |
| Martingale Asset Management L P | 57,592 | $12.4M | 0.25% | −4,635−7.4% | Reduced |
| Royal London Asset Management Ltd | 56,821 | $12.3M | 0.03% | −394−0.7% | Reduced |
| Rhenman & Partners Asset Management AB | 56,800 | $12.2M | 1.16% | −1,872−3.2% | Reduced |
| Man Group plc | 56,641 | $12.2M | 0.03% | −13,367−19.1% | Reduced |
| ING Groep NV | 54,898 | $11.8M | 0.08% | +5,406+10.9% | Added |
| Nisa Investment Advisors, LLC | 54,708 | $11.8M | 0.08% | −1,013−1.8% | Reduced |
| DnB Asset Management AS | 53,253 | $11.5M | 0.06% | −2,211−4.0% | Reduced |
| UniSuper Management Pty Ltd | 52,889 | $11.4M | 0.11% | +4,671+9.7% | Added |
| Cutter Capital Management, LP | 52,000 | $11.2M | 4.32% | +52,000 | New |
| J. L. Bainbridge & Co., Inc. | 50,018 | $10.8M | 1.15% | +50,018 | New |
| Resona Asset Management Co.,Ltd. | 49,585 | $10.7M | 0.06% | +49,585 | New |
| American International Group, Inc. | 49,426 | $10.7M | 0.04% | −2,543−4.9% | Reduced |
| Factory Mutual Insurance Co | 49,200 | $10.6M | 0.12% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 49,117 | $10.6M | 0.16% | 00.0% | Unchanged |
| LPL Financial LLC | 48,165 | $10.4M | 0.01% | +3,095+6.9% | Added |
| Mackenzie Financial Corp | 47,222 | $10.2M | 0.01% | −13,404−22.1% | Reduced |
| Grimes & Company, Inc. | 46,888 | $10.1M | 0.31% | +1,689+3.7% | Added |
| Tocqueville Asset Management L.P. | 46,200 | $9.96M | 0.16% | +41,690+924.4% | Added |
| KBC Group NV | 45,507 | $9.81M | 0.03% | −5,329−10.5% | Reduced |
| Boston Common Asset Management, LLC | 45,266 | $9.76M | 0.23% | −13,445−22.9% | Reduced |
| Tudor Investment Corp Et Al | 45,042 | $9.71M | 0.12% | +45,042 | New |
| Bridgewater Associates, LP | 44,952 | $9.69M | 0.05% | −98,334−68.6% | Reduced |
| AMF Pensionsforsakring AB | 43,849 | $9.46M | 0.07% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 42,880 | $9.25M | 0.03% | +2,394+5.9% | Added |
| Assenagon Asset Management S.A. | 42,839 | $9.24M | 0.02% | −377−0.9% | Reduced |
| Truist Financial Corp | 42,422 | $9.15M | 0.01% | +507+1.2% | Added |
| Comerica Bank | 42,314 | $9.12M | 0.04% | +1,210+2.9% | Added |
| Altrinsic Global Advisors LLC | 42,039 | $9.06M | 0.41% | −2,512−5.6% | Reduced |
| Easterly Investment Partners LLC | 41,942 | $9.04M | 0.69% | +36,858+725.0% | Added |
| Arizona State Retirement System | 41,581 | $8.97M | 0.06% | +836+2.1% | Added |
| Gateway Investment Advisers LLC | 41,434 | $8.93M | 0.10% | −5,505−11.7% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 41,145 | $8.87M | 1.00% | +5,156+14.3% | Added |
| Varma Mutual Pension Insurance Co | 40,900 | $8.82M | 0.08% | +26,800+190.1% | Added |
| State of Tennessee, Treasury Department | 40,368 | $8.70M | 0.03% | −23,028−36.3% | Reduced |
| Engineers Gate Manager LP | 39,840 | $8.59M | 0.23% | +39,840 | New |
| State of Michigan Retirement System | 39,703 | $8.56M | 0.05% | 00.0% | Unchanged |
| Nicola Wealth Management Ltd. | 39,500 | $8.52M | 0.83% | +14,500+58.0% | Added |
| Calamos Advisors LLC | 38,822 | $8.37M | 0.04% | −976−2.5% | Reduced |
| Channing Capital Management, LLC | 38,403 | $8.28M | 0.22% | +4,300+12.6% | Added |
| Hillman Capital Management, Inc. | 35,792 | $7.72M | 2.48% | +1,316+3.8% | Added |
| Janus Henderson Group PLC | 35,159 | $7.58M | 0.00% | +13,985+66.0% | Added |
| USS Investment Management Ltd | 34,356 | $7.41M | 0.06% | +4,137+13.7% | Added |
| Capital World Investors | 34,200 | $7.37M | 0.00% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 34,188 | $7.37M | 0.08% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 33,980 | $7.33M | 0.11% | −4,619−12.0% | Reduced |
| MetLife Investment Management | 33,910 | $7.31M | 0.05% | −1,248−3.5% | Reduced |
| State of Alaska, Department of Revenue | 33,640 | $7.25M | 0.08% | −4,910−12.7% | Reduced |
| Teacher Retirement System of Texas | 32,946 | $7.10M | 0.05% | −924−2.7% | Reduced |
| Nissay Asset Management Corp | 32,345 | $6.97M | 0.05% | +12,901+66.3% | Added |
| Aviva PLC | 32,123 | $6.93M | 0.02% | −34,836−52.0% | Reduced |