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 |
|---|---|---|---|---|---|
| Nissay Asset Management Corp | 43,879 | $6.64M | 0.04% | +1,379+3.2% | Added |
| Assenagon Asset Management S.A. | 43,460 | $6.65M | 0.01% | +111+0.3% | Added |
| Oversea-Chinese Banking CORP Ltd | 44,266 | $6.77M | 0.19% | +28,524+181.2% | Added |
| Resona Asset Management Co.,Ltd. | 44,608 | $6.81M | 0.04% | −1,494−3.2% | Reduced |
| Corebridge Financial, Inc. | 45,492 | $6.96M | 0.04% | −1,710−3.6% | Reduced |
| Balyasny Asset Management LLC | 45,829 | $7.01M | 0.02% | +45,829 | New |
| Envestnet Asset Management Inc | 46,368 | $7.09M | 0.00% | −135,182−74.5% | Reduced |
| CIBC Asset Management Inc | 46,807 | $7.16M | 0.02% | +1,623+3.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 47,553 | $7.19M | 0.03% | +4,848+11.4% | Added |
| Macquarie Group Ltd | 52,960 | $7.23M | 0.01% | +7,297+16.0% | Added |
| DnB Asset Management AS | 47,441 | $7.25M | 0.03% | −34,703−42.2% | Reduced |
| Banco Santander, S.A. | 47,809 | $7.31M | 0.09% | +47,809 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 48,262 | $7.38M | 0.04% | +48,262 | New |
| Nomura Asset Management Co Ltd | 49,092 | $7.51M | 0.02% | −211−0.4% | Reduced |
| Factory Mutual Insurance Co | 49,200 | $7.52M | 0.08% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 50,051 | $7.65M | 0.03% | −2,866−5.4% | Reduced |
| Ossiam | 50,363 | $7.70M | 0.13% | +2,653+5.6% | Added |
| Centre Asset Management, LLC | 51,530 | $7.88M | 1.80% | +3,698+7.7% | Added |
| Swiss Life Asset Management Ltd | 51,817 | $7.92M | 0.06% | +43,227+503.2% | Added |
| Teacher Retirement System of Texas | 52,157 | $7.98M | 0.03% | +12,765+32.4% | Added |
| State of New Jersey Common Pension Fund D | 52,160 | $7.98M | 0.03% | −824−1.6% | Reduced |
| Lazard Asset Management LLC | 54,476 | $8.33M | 0.01% | +30,619+128.3% | Added |
| Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD | 54,585 | $8.34M | 0.66% | +54,585 | New |
| Asset Management One Co.,Ltd. | 58,226 | $8.81M | 0.03% | +2,871+5.2% | Added |
| Group One Trading, L.P. | 57,921 | $8.86M | 0.30% | −101,314−63.6% | Reduced |
| Wolverine Trading, LLC | 59,213 | $8.89M | 0.20% | +51,092+629.1% | Added |
| Erste Asset Management GmbH | 59,316 | $8.98M | 0.11% | −228,307−79.4% | Reduced |
| AMF Pensionsforsakring AB | 59,115 | $9.04M | 0.06% | −4,818−7.5% | Reduced |
| Ieq Capital, LLC | 59,534 | $9.10M | 0.09% | +55,514+1,380.9% | Added |
| Edmond de Rothschild Holding S.A. | 60,070 | $9.19M | 0.16% | 00.0% | Unchanged |
| Korea Investment CORP | 60,108 | $9.19M | 0.02% | −2,100−3.4% | Reduced |
| Guggenheim Capital LLC | 60,777 | $9.29M | 0.08% | +533+0.9% | Added |
| Illinois Municipal Retirement Fund | 62,181 | $9.51M | 0.13% | +12,166+24.3% | Added |
| J. Safra Sarasin Holding AG | 62,873 | $9.61M | 0.16% | −9,745−13.4% | Reduced |
| Banque Pictet & Cie SA | 63,494 | $9.71M | 0.09% | +32,759+106.6% | Added |
| State of Michigan Retirement System | 63,503 | $9.71M | 0.05% | +23,800+59.9% | Added |
| Aquatic Capital Management LLC | 64,945 | $9.93M | 0.27% | +10,845+20.0% | Added |
| Royal London Asset Management Ltd | 64,957 | $9.93M | 0.02% | −672−1.0% | Reduced |
| M&G Plc | 68,839 | $10.5M | 0.07% | +60,246+701.1% | Added |
| Bridgewater Associates, LP | 70,033 | $10.7M | 0.05% | −2,071−2.9% | Reduced |
| Toronto Dominion Bank | 72,671 | $11.1M | 0.02% | +12,301+20.4% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 72,818 | $11.1M | 0.01% | −3,214−4.2% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 76,820 | $11.7M | 0.04% | −1,805−2.3% | Reduced |
| Voya Investment Management LLC | 77,581 | $11.9M | 0.01% | −3,193−4.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 79,516 | $12.2M | 0.08% | +72,305+1,002.7% | Added |
| Danske Bank A/S | 79,798 | $12.2M | 0.04% | +14,114+21.5% | Added |
| Marshall Wace, LLP | 79,952 | $12.2M | 0.02% | +13,652+20.6% | Added |
| State of Wisconsin Investment Board | 80,141 | $12.3M | 0.03% | −12,825−13.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 81,614 | $12.5M | 0.03% | +2,443+3.1% | Added |
| Handelsbanken Fonder AB | 81,935 | $12.5M | 0.05% | +13,433+19.6% | Added |
| Jefferies Financial Group Inc. | 83,847 | $12.8M | 0.14% | +40,820+94.9% | Added |
| Aviva PLC | 87,731 | $13.4M | 0.03% | +69,199+373.4% | Added |
| Woodline Partners LP | 88,157 | $13.5M | 0.09% | +5,874+7.1% | Added |
| Treasurer of the State of North Carolina | 88,687 | $13.6M | 0.05% | −2,680−2.9% | Reduced |
| Glenmede Trust Co NA | 89,023 | $13.6M | 0.07% | +11,722+15.2% | Added |
| Gotham Asset Management, LLC | 89,626 | $13.7M | 0.13% | +47,182+111.2% | Added |
| KLP Kapitalforvaltning AS | 92,377 | $14.1M | 0.07% | +92,377 | New |
| Jump Financial, LLC | 94,554 | $14.5M | 0.30% | +37,885+66.9% | Added |
| Sprucegrove Investment Management Ltd | 97,855 | $15.0M | 1.07% | 00.0% | Unchanged |
| J. L. Bainbridge & Co., Inc. | 97,983 | $15.0M | 1.41% | −23,159−19.1% | Reduced |
| Federated Hermes, Inc. | 101,403 | $15.5M | 0.03% | −1,181−1.2% | Reduced |
| APG Asset Management N.V. | 105,446 | $15.6M | 0.04% | +81,811+346.1% | Added |
| Meitav Dash Investments Ltd | 102,838 | $15.7M | 0.27% | +85,986+510.2% | Added |
| FIL Ltd | 104,717 | $16.0M | 0.01% | −91,285−46.6% | Reduced |
| DekaBank Deutsche Girozentrale | 108,721 | $16.2M | 0.03% | 00.0% | Unchanged |
| Krensavage Asset Management, LLC | 108,923 | $16.7M | 9.85% | −4,579−4.0% | Reduced |
| New York State Common Retirement Fund | 111,016 | $17.0M | 0.02% | +16,271+17.2% | Added |
| Wells Fargo & Company | 111,043 | $17.0M | 0.00% | −95,427−46.2% | Reduced |
| New York State Teachers Retirement System | 111,128 | $17.0M | 0.04% | −6,673−5.7% | Reduced |
| Leonteq Securities AG | 114,363 | $17.5M | 1.72% | +101,892+817.0% | Added |
| Cubist Systematic Strategies, LLC | 114,943 | $17.6M | 0.29% | +114,943 | New |
| American Century Companies Inc | 115,374 | $17.6M | 0.01% | −101,604−46.8% | Reduced |
| Suvretta Capital Management, LLC | 115,436 | $17.7M | 0.65% | +85,490+285.5% | Added |
| Nordea Investment Management AB | 117,963 | $17.9M | 0.02% | +38,283+48.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 117,240 | $17.9M | 0.04% | −14,148−10.8% | Reduced |
| Victory Capital Management Inc | 119,033 | $18.2M | 0.02% | −11,676−8.9% | Reduced |
| Letko, Brosseau & Associates Inc | 119,582 | $18.3M | 0.35% | −13,330−10.0% | Reduced |
| Russell Investments Group, Ltd. | 121,763 | $18.6M | 0.03% | −9,687−7.4% | Reduced |
| Manufacturers Life Insurance Company, The | 123,666 | $18.9M | 0.02% | +122+0.1% | Added |
| Rhenman & Partners Asset Management AB | 123,700 | $18.9M | 1.94% | +56,600+84.4% | Added |
| Great West Life Assurance Co | 126,631 | $19.3M | 0.03% | −3,257−2.5% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 127,282 | $19.4M | 0.20% | −2,418−1.9% | Reduced |
| State Board of Administration of Florida Retirement System | 133,547 | $20.4M | 0.04% | −9,285−6.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 140,320 | $21.5M | 0.10% | +117,576+517.0% | Added |
| Raymond James Financial Inc | 141,968 | $21.7M | 0.01% | +141,968 | New |
| Ameriprise Financial Inc | 144,023 | $22.0M | 0.01% | −1,006,463−87.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 144,152 | $22.0M | 0.06% | +74,503+107.0% | Added |
| Voloridge Investment Management, LLC | 151,678 | $23.2M | 0.08% | +151,678 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 152,867 | $23.4M | 0.05% | +152,867 | New |
| Citadel Advisors LLC | 153,660 | $23.5M | 0.02% | −218,706−58.7% | Reduced |
| AXA S.A. | 161,636 | $24.7M | 0.08% | +103,677+178.9% | Added |
| Principal Financial Group Inc | 164,700 | $25.2M | 0.01% | −3,931−2.3% | Reduced |
| National Bank of Canada | 177,889 | $27.2M | 0.04% | −13,576−7.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 178,468 | $27.3M | 0.07% | −220,936−55.3% | Reduced |
| Wedge Capital Management L L P | 179,191 | $27.4M | 0.49% | +26,530+17.4% | Added |
| Alliancebernstein L.P. | 180,723 | $27.6M | 0.01% | +1,592+0.9% | Added |
| Fisher Asset Management, LLC | 180,924 | $27.7M | 0.01% | +114,156+171.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 181,859 | $27.8M | 0.06% | +154,168+556.7% | Added |
| Swedbank AB | 184,045 | $28.1M | 0.03% | −963−0.5% | Reduced |
| Retirement Systems of Alabama | 185,383 | $28.3M | 0.11% | +154,062+491.9% | Added |