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 2025
Institutional positions in Biogen Inc. as of Mar 31, 2025. 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
- 882
- +16 vs. Q4 2024
- Shares held
- 129.8M
- −2.03M (−1.5%) vs. Q4 2024
- Total value
- $17.7B
- −$2.41B (−11.9%) vs. Q4 2024
- New holders
- 123
- 331 more added
- Sold out
- 107
- 273 more reduced
13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LPL Financial LLC | 44,321 | $6.06M | 0.00% | +18,183+69.6% | Added |
| Trexquant Investment LP | 44,488 | $6.09M | 0.07% | +21,151+90.6% | Added |
| State of Tennessee, Treasury Department | 44,497 | $6.09M | 0.02% | +26,195+143.1% | Added |
| Assenagon Asset Management S.A. | 44,796 | $6.13M | 0.01% | +1,336+3.1% | Added |
| Public Employees Retirement System of Ohio | 44,863 | $6.14M | 0.02% | −5,188−10.4% | Reduced |
| Andra AP-fonden | 46,200 | $6.32M | 0.10% | +12,500+37.1% | Added |
| Mackenzie Financial Corp | 46,684 | $6.39M | 0.01% | +12,838+37.9% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 46,731 | $6.39M | 0.03% | +3,684+8.6% | Added |
| Resona Asset Management Co.,Ltd. | 46,712 | $6.40M | 0.04% | +2,104+4.7% | Added |
| Nissay Asset Management Corp | 47,204 | $6.46M | 0.04% | +3,325+7.6% | Added |
| CIBC Asset Management Inc | 47,261 | $6.47M | 0.02% | +454+1.0% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 48,132 | $6.59M | 0.04% | −130−0.3% | Reduced |
| State of New Jersey Common Pension Fund D | 48,377 | $6.62M | 0.03% | −3,783−7.3% | Reduced |
| Factory Mutual Insurance Co | 49,200 | $6.73M | 0.08% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 49,500 | $6.77M | 0.78% | −74,200−60.0% | Reduced |
| Point72 (DIFC) Ltd | 49,849 | $6.82M | 0.66% | +49,778+70,109.9% | Added |
| Jefferies Financial Group Inc. | 49,994 | $6.84M | 0.12% | −33,853−40.4% | Reduced |
| Tredje AP-fonden | 50,000 | $6.84M | 0.06% | +50,000 | New |
| Seizert Capital Partners, LLC | 50,457 | $6.90M | 0.32% | +10,786+27.2% | Added |
| Erste Asset Management GmbH | 50,956 | $7.05M | 0.09% | −8,360−14.1% | Reduced |
| Ossiam | 52,181 | $7.14M | 0.10% | +1,818+3.6% | Added |
| Envestnet Asset Management Inc | 52,294 | $7.16M | 0.00% | +5,926+12.8% | Added |
| Guggenheim Capital LLC | 53,126 | $7.27M | 0.07% | −7,651−12.6% | Reduced |
| Oversea-Chinese Banking CORP Ltd | 53,280 | $7.33M | 0.21% | +9,014+20.4% | Added |
| Nomura Asset Management Co Ltd | 53,786 | $7.36M | 0.02% | +4,694+9.6% | Added |
| Banco Santander, S.A. | 54,991 | $7.52M | 0.08% | +7,182+15.0% | Added |
| Toronto Dominion Bank | 55,643 | $7.61M | 0.02% | −17,028−23.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 55,084 | $7.62M | 0.03% | +7,531+15.8% | Added |
| Centre Asset Management, LLC | 56,894 | $7.79M | 2.00% | +5,364+10.4% | Added |
| Worldquant Millennium Advisors LLC | 57,013 | $7.80M | 0.05% | −404,107−87.6% | Reduced |
| Lazard Asset Management LLC | 58,572 | $8.01M | 0.01% | +4,096+7.5% | Added |
| Swiss Life Asset Management Ltd | 58,758 | $8.04M | 0.06% | +6,941+13.4% | Added |
| Macquarie Group Ltd | 59,104 | $8.09M | 0.01% | +6,144+11.6% | Added |
| AMF Pensionsforsakring AB | 59,115 | $8.09M | 0.06% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 59,334 | $8.12M | 0.25% | +33,721+131.7% | Added |
| Edmond de Rothschild Holding S.A. | 60,070 | $8.22M | 0.15% | 00.0% | Unchanged |
| American Century Companies Inc | 60,475 | $8.28M | 0.01% | −54,899−47.6% | Reduced |
| Schroder Investment Management Group | 60,335 | $8.35M | 0.01% | +17,720+41.6% | Added |
| Jacobs Levy Equity Management, Inc | 61,393 | $8.40M | 0.03% | +61,393 | New |
| Asset Management One Co.,Ltd. | 61,420 | $8.40M | 0.03% | +3,194+5.5% | Added |
| Danske Bank A/S | 63,928 | $8.75M | 0.03% | −15,870−19.9% | Reduced |
| Illinois Municipal Retirement Fund | 64,138 | $8.78M | 0.13% | +1,957+3.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 64,150 | $8.78M | 0.02% | −117,709−64.7% | Reduced |
| Twinbeech Capital LP | 64,253 | $8.79M | 0.16% | +64,253 | New |
| Korea Investment CORP | 66,408 | $9.09M | 0.02% | +6,300+10.5% | Added |
| Treasurer of the State of North Carolina | 66,670 | $9.12M | 0.04% | −22,017−24.8% | Reduced |
| Banque Pictet & Cie SA | 68,274 | $9.34M | 0.10% | +4,780+7.5% | Added |
| Ieq Capital, LLC | 69,729 | $9.54M | 0.08% | +10,195+17.1% | Added |
| Walleye Capital LLC | 69,905 | $9.57M | 0.11% | +59,865+596.3% | Added |
| Voya Investment Management LLC | 70,069 | $9.59M | 0.01% | −7,512−9.7% | Reduced |
| Royal London Asset Management Ltd | 70,240 | $9.61M | 0.02% | +5,283+8.1% | Added |
| Adage Capital Partners GP, L.L.C. | 70,767 | $9.68M | 0.02% | +70,767 | New |
| Glenmede Trust Co NA | 71,547 | $9.79M | 0.05% | −17,476−19.6% | Reduced |
| M&G Plc | 72,712 | $9.96M | 0.05% | +3,873+5.6% | Added |
| Jump Financial, LLC | 73,129 | $10.0M | 0.15% | −21,425−22.7% | Reduced |
| Engineers Gate Manager LP | 76,958 | $10.5M | 0.18% | +48,915+174.4% | Added |
| Chevy Chase Trust Holdings, Inc. | 77,115 | $10.6M | 0.03% | +295+0.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 77,233 | $10.6M | 0.03% | −4,381−5.4% | Reduced |
| Handelsbanken Fonder AB | 80,254 | $11.0M | 0.05% | −1,681−2.1% | Reduced |
| Leonteq Securities AG | 81,659 | $11.1M | 0.85% | −32,704−28.6% | Reduced |
| Caisse de Depot Et Placement du Quebec | 81,900 | $11.2M | 0.02% | +81,900 | New |
| Point72 Europe (London) LLP | 82,476 | $11.3M | 0.78% | +82,476 | New |
| State of Wisconsin Investment Board | 88,576 | $12.1M | 0.03% | +8,435+10.5% | Added |
| APG Asset Management N.V. | 96,432 | $12.2M | 0.04% | −9,014−8.5% | Reduced |
| Nuveen, LLC | 146,431 | $12.5M | 0.00% | +146,431 | New |
| Gotham Asset Management, LLC | 99,228 | $13.6M | 0.11% | +9,602+10.7% | Added |
| Aviva PLC | 101,729 | $13.9M | 0.03% | +13,998+16.0% | Added |
| Ameriprise Financial Inc | 102,551 | $14.0M | 0.00% | −41,472−28.8% | Reduced |
| Federated Hermes, Inc. | 103,208 | $14.1M | 0.03% | +1,805+1.8% | Added |
| Tudor Investment Corp Et Al | 105,851 | $14.5M | 0.13% | +83,848+381.1% | Added |
| New York State Teachers Retirement System | 107,676 | $14.7M | 0.03% | −3,452−3.1% | Reduced |
| DekaBank Deutsche Girozentrale | 109,198 | $15.0M | 0.03% | +477+0.4% | Added |
| Cutter Capital Management, LP | 113,500 | $15.5M | 6.76% | +113,500 | New |
| Letko, Brosseau & Associates Inc | 115,610 | $15.8M | 0.34% | −3,972−3.3% | Reduced |
| Nordea Investment Management AB | 119,124 | $16.3M | 0.02% | +1,161+1.0% | Added |
| Manufacturers Life Insurance Company, The | 119,256 | $16.3M | 0.02% | −4,410−3.6% | Reduced |
| FIL Ltd | 120,000 | $16.4M | 0.02% | +15,283+14.6% | Added |
| Suvretta Capital Management, LLC | 120,736 | $16.5M | 0.67% | +5,300+4.6% | Added |
| J. L. Bainbridge & Co., Inc. | 124,522 | $17.0M | 1.73% | +26,539+27.1% | Added |
| Victory Capital Management Inc | 124,756 | $17.1M | 0.02% | +5,723+4.8% | Added |
| Woodline Partners LP | 125,162 | $17.1M | 0.11% | +37,005+42.0% | Added |
| Great West Life Assurance Co | 125,507 | $17.2M | 0.03% | −1,124−0.9% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 129,513 | $17.7M | 0.18% | +2,231+1.8% | Added |
| New York State Common Retirement Fund | 131,146 | $17.9M | 0.03% | +20,130+18.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 132,891 | $18.2M | 0.02% | +60,073+82.5% | Added |
| Bank of Montreal | 132,968 | $18.2M | 0.01% | −78,368−37.1% | Reduced |
| State Board of Administration of Florida Retirement System | 133,547 | $18.3M | 0.04% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 134,489 | $18.4M | 0.07% | −17,189−11.3% | Reduced |
| Cubist Systematic Strategies, LLC | 140,881 | $19.3M | 0.25% | +25,938+22.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 144,593 | $19.8M | 0.04% | +27,353+23.3% | Added |
| Standard Life Aberdeen plc | 146,813 | $20.0M | 0.04% | −396,597−73.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 152,593 | $20.9M | 0.06% | −25,875−14.5% | Reduced |
| Nisa Investment Advisors, LLC | 153,217 | $21.0M | 0.10% | −46,037−23.1% | Reduced |
| AXA S.A. | 153,969 | $21.1M | 0.07% | −7,667−4.7% | Reduced |
| Wells Fargo & Company | 154,485 | $21.1M | 0.01% | +43,442+39.1% | Added |
| KLP Kapitalforvaltning AS | 156,077 | $21.4M | 0.10% | +63,700+69.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 157,461 | $21.5M | 0.04% | +4,594+3.0% | Added |
| Principal Financial Group Inc | 164,836 | $22.6M | 0.01% | +136+0.1% | Added |
| HRT Financial LP | 178,342 | $24.4M | 0.15% | +178,342 | New |
| Rafferty Asset Management, LLC | 180,775 | $24.7M | 0.11% | −8,745−4.6% | Reduced |