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 2024
Institutional positions in Biogen Inc. as of Dec 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
- 879
- −27 vs. Q3 2024
- Shares held
- 132.4M
- +2.79M (+2.2%) vs. Q3 2024
- Total value
- $20.2B
- −$4.80B (−19.2%) vs. Q3 2024
- New holders
- 133
- 300 more added
- Sold out
- 160
- 322 more reduced
15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| 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 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 123,666 | $18.9M | 0.02% | +122+0.1% | Added |
| Russell Investments Group, Ltd. | 121,763 | $18.6M | 0.03% | −9,687−7.4% | Reduced |
| Letko, Brosseau & Associates Inc | 119,582 | $18.3M | 0.35% | −13,330−10.0% | Reduced |
| Victory Capital Management Inc | 119,033 | $18.2M | 0.02% | −11,676−8.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 117,240 | $17.9M | 0.04% | −14,148−10.8% | Reduced |
| Nordea Investment Management AB | 117,963 | $17.9M | 0.02% | +38,283+48.0% | Added |
| Suvretta Capital Management, LLC | 115,436 | $17.7M | 0.65% | +85,490+285.5% | Added |
| American Century Companies Inc | 115,374 | $17.6M | 0.01% | −101,604−46.8% | Reduced |
| Cubist Systematic Strategies, LLC | 114,943 | $17.6M | 0.29% | +114,943 | New |
| Leonteq Securities AG | 114,363 | $17.5M | 1.72% | +101,892+817.0% | Added |
| New York State Teachers Retirement System | 111,128 | $17.0M | 0.04% | −6,673−5.7% | Reduced |
| Wells Fargo & Company | 111,043 | $17.0M | 0.00% | −95,427−46.2% | Reduced |
| New York State Common Retirement Fund | 111,016 | $17.0M | 0.02% | +16,271+17.2% | Added |
| Krensavage Asset Management, LLC | 108,923 | $16.7M | 9.85% | −4,579−4.0% | Reduced |
| DekaBank Deutsche Girozentrale | 108,721 | $16.2M | 0.03% | 00.0% | Unchanged |
| FIL Ltd | 104,717 | $16.0M | 0.01% | −91,285−46.6% | Reduced |
| Meitav Dash Investments Ltd | 102,838 | $15.7M | 0.27% | +85,986+510.2% | Added |
| APG Asset Management N.V. | 105,446 | $15.6M | 0.04% | +81,811+346.1% | Added |
| Federated Hermes, Inc. | 101,403 | $15.5M | 0.03% | −1,181−1.2% | Reduced |
| J. L. Bainbridge & Co., Inc. | 97,983 | $15.0M | 1.41% | −23,159−19.1% | Reduced |
| Sprucegrove Investment Management Ltd | 97,855 | $15.0M | 1.07% | 00.0% | Unchanged |
| Jump Financial, LLC | 94,554 | $14.5M | 0.30% | +37,885+66.9% | Added |
| KLP Kapitalforvaltning AS | 92,377 | $14.1M | 0.07% | +92,377 | New |
| Gotham Asset Management, LLC | 89,626 | $13.7M | 0.13% | +47,182+111.2% | Added |
| Glenmede Trust Co NA | 89,023 | $13.6M | 0.07% | +11,722+15.2% | Added |
| Treasurer of the State of North Carolina | 88,687 | $13.6M | 0.05% | −2,680−2.9% | Reduced |
| Woodline Partners LP | 88,157 | $13.5M | 0.09% | +5,874+7.1% | Added |
| Aviva PLC | 87,731 | $13.4M | 0.03% | +69,199+373.4% | Added |
| Jefferies Financial Group Inc. | 83,847 | $12.8M | 0.14% | +40,820+94.9% | Added |
| Handelsbanken Fonder AB | 81,935 | $12.5M | 0.05% | +13,433+19.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 81,614 | $12.5M | 0.03% | +2,443+3.1% | Added |
| State of Wisconsin Investment Board | 80,141 | $12.3M | 0.03% | −12,825−13.8% | Reduced |
| Marshall Wace, LLP | 79,952 | $12.2M | 0.02% | +13,652+20.6% | Added |
| Danske Bank A/S | 79,798 | $12.2M | 0.04% | +14,114+21.5% | Added |
| Schonfeld Strategic Advisors LLC | 79,516 | $12.2M | 0.08% | +72,305+1,002.7% | Added |
| Voya Investment Management LLC | 77,581 | $11.9M | 0.01% | −3,193−4.0% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 76,820 | $11.7M | 0.04% | −1,805−2.3% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 72,818 | $11.1M | 0.01% | −3,214−4.2% | Reduced |
| Toronto Dominion Bank | 72,671 | $11.1M | 0.02% | +12,301+20.4% | Added |
| Bridgewater Associates, LP | 70,033 | $10.7M | 0.05% | −2,071−2.9% | Reduced |
| M&G Plc | 68,839 | $10.5M | 0.07% | +60,246+701.1% | Added |
| Royal London Asset Management Ltd | 64,957 | $9.93M | 0.02% | −672−1.0% | Reduced |
| Aquatic Capital Management LLC | 64,945 | $9.93M | 0.27% | +10,845+20.0% | Added |
| State of Michigan Retirement System | 63,503 | $9.71M | 0.05% | +23,800+59.9% | Added |
| Banque Pictet & Cie SA | 63,494 | $9.71M | 0.09% | +32,759+106.6% | Added |
| J. Safra Sarasin Holding AG | 62,873 | $9.61M | 0.16% | −9,745−13.4% | Reduced |
| Illinois Municipal Retirement Fund | 62,181 | $9.51M | 0.13% | +12,166+24.3% | Added |
| Guggenheim Capital LLC | 60,777 | $9.29M | 0.08% | +533+0.9% | Added |
| Korea Investment CORP | 60,108 | $9.19M | 0.02% | −2,100−3.4% | Reduced |
| Edmond de Rothschild Holding S.A. | 60,070 | $9.19M | 0.16% | 00.0% | Unchanged |
| Ieq Capital, LLC | 59,534 | $9.10M | 0.09% | +55,514+1,380.9% | Added |
| AMF Pensionsforsakring AB | 59,115 | $9.04M | 0.06% | −4,818−7.5% | Reduced |
| Erste Asset Management GmbH | 59,316 | $8.98M | 0.11% | −228,307−79.4% | Reduced |
| Wolverine Trading, LLC | 59,213 | $8.89M | 0.20% | +51,092+629.1% | Added |
| Group One Trading, L.P. | 57,921 | $8.86M | 0.30% | −101,314−63.6% | Reduced |
| Asset Management One Co.,Ltd. | 58,226 | $8.81M | 0.03% | +2,871+5.2% | Added |
| Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD | 54,585 | $8.34M | 0.66% | +54,585 | New |
| Lazard Asset Management LLC | 54,476 | $8.33M | 0.01% | +30,619+128.3% | Added |
| State of New Jersey Common Pension Fund D | 52,160 | $7.98M | 0.03% | −824−1.6% | Reduced |
| Teacher Retirement System of Texas | 52,157 | $7.98M | 0.03% | +12,765+32.4% | Added |
| Swiss Life Asset Management Ltd | 51,817 | $7.92M | 0.06% | +43,227+503.2% | Added |
| Centre Asset Management, LLC | 51,530 | $7.88M | 1.80% | +3,698+7.7% | Added |
| Ossiam | 50,363 | $7.70M | 0.13% | +2,653+5.6% | Added |
| Public Employees Retirement System of Ohio | 50,051 | $7.65M | 0.03% | −2,866−5.4% | Reduced |
| Factory Mutual Insurance Co | 49,200 | $7.52M | 0.08% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 49,092 | $7.51M | 0.02% | −211−0.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 48,262 | $7.38M | 0.04% | +48,262 | New |
| Banco Santander, S.A. | 47,809 | $7.31M | 0.09% | +47,809 | New |
| DnB Asset Management AS | 47,441 | $7.25M | 0.03% | −34,703−42.2% | Reduced |
| Macquarie Group Ltd | 52,960 | $7.23M | 0.01% | +7,297+16.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 47,553 | $7.19M | 0.03% | +4,848+11.4% | Added |
| CIBC Asset Management Inc | 46,807 | $7.16M | 0.02% | +1,623+3.6% | Added |
| Envestnet Asset Management Inc | 46,368 | $7.09M | 0.00% | −135,182−74.5% | Reduced |
| Balyasny Asset Management LLC | 45,829 | $7.01M | 0.02% | +45,829 | New |
| Corebridge Financial, Inc. | 45,492 | $6.96M | 0.04% | −1,710−3.6% | Reduced |
| Resona Asset Management Co.,Ltd. | 44,608 | $6.81M | 0.04% | −1,494−3.2% | Reduced |
| Oversea-Chinese Banking CORP Ltd | 44,266 | $6.77M | 0.19% | +28,524+181.2% | Added |
| Assenagon Asset Management S.A. | 43,460 | $6.65M | 0.01% | +111+0.3% | Added |
| Nissay Asset Management Corp | 43,879 | $6.64M | 0.04% | +1,379+3.2% | Added |
| Hillman Capital Management, Inc. | 43,066 | $6.59M | 2.44% | +7,813+22.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 43,047 | $6.47M | 0.03% | −14,072−24.6% | Reduced |
| Schroder Investment Management Group | 42,615 | $6.40M | 0.01% | −21,444−33.5% | Reduced |
| Lido Advisors, LLC | 41,598 | $6.36M | 0.04% | +39,910+2,364.3% | Added |
| Forsta Ap-Fonden | 41,300 | $6.32M | 0.04% | +13,200+47.0% | Added |
| Gateway Investment Advisers LLC | 41,202 | $6.30M | 0.07% | −110−0.3% | Reduced |
| Arizona State Retirement System | 40,770 | $6.23M | 0.04% | −951−2.3% | Reduced |
| Mirae Asset Securities (USA) Inc. | 40,104 | $6.13M | 0.29% | +40,104 | New |
| Altrinsic Global Advisors LLC | 39,724 | $6.07M | 0.29% | +374+1.0% | Added |
| Seizert Capital Partners, LLC | 39,671 | $6.07M | 0.27% | +28,667+260.5% | Added |
| PDT Partners, LLC | 39,405 | $6.03M | 0.53% | +22,908+138.9% | Added |
| MetLife Investment Management | 38,564 | $5.90M | 0.03% | +690+1.8% | Added |
| Daiwa Securities Group Inc. | 37,221 | $5.69M | 0.03% | +5,627+17.8% | Added |
| Impax Asset Management Group plc | 36,730 | $5.62M | 0.03% | −2,080−5.4% | Reduced |
| Calamos Advisors LLC | 36,558 | $5.59M | 0.03% | 00.0% | Unchanged |
| Credit Agricole S A | 36,464 | $5.58M | 0.02% | +7,434+25.6% | Added |
| Tang Capital Management LLC | 35,000 | $5.35M | 0.35% | 00.0% | Unchanged |
| Martingale Asset Management L P | 34,922 | $5.34M | 0.13% | −20,850−37.4% | Reduced |
| Entropy Technologies, LP | 34,397 | $5.26M | 0.54% | +34,397 | New |
| GF Fund Management Co. Ltd. | 34,242 | $5.24M | 0.11% | +34,242 | New |
| STRS Ohio | 34,000 | $5.20M | 0.02% | −15,000−30.6% | Reduced |