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, Q2 2024
Institutional positions in Biogen Inc. as of Jun 30, 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
- 947
- +5 vs. Q1 2024
- Shares held
- 129.0M
- −367.1K (−0.3%) vs. Q1 2024
- Total value
- $29.9B
- +$2.00B (+7.2%) vs. Q1 2024
- New holders
- 101
- 322 more added
- Sold out
- 96
- 338 more reduced
13 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banco Bilbao Vizcaya Argentaria, S.A. | 110,008 | $25.5M | 0.27% | −900−0.8% | Reduced |
| Natixis | 107,481 | $24.9M | 0.16% | +5,743+5.6% | Added |
| DekaBank Deutsche Girozentrale | 106,968 | $24.4M | 0.04% | −2,230−2.0% | Reduced |
| SEI Investments Co | 105,351 | $24.4M | 0.03% | +14,900+16.5% | Added |
| Federated Hermes, Inc. | 102,942 | $23.9M | 0.06% | +218+0.2% | Added |
| Swedbank AB | 100,027 | $23.2M | 0.03% | −6,356−6.0% | Reduced |
| Zurich Insurance Group Ltd | 98,642 | $22.9M | 0.20% | +98,642 | New |
| Sprucegrove Investment Management Ltd | 98,055 | $22.7M | 1.18% | +1,200+1.2% | Added |
| Treasurer of the State of North Carolina | 97,355 | $22.6M | 0.10% | +3,882+4.2% | Added |
| Korea Investment CORP | 95,417 | $22.1M | 0.06% | −45,454−32.3% | Reduced |
| Prudential Financial Inc | 94,577 | $21.9M | 0.03% | −10,368−9.9% | Reduced |
| Voya Investment Management LLC | 94,494 | $21.9M | 0.02% | −3,594−3.7% | Reduced |
| Capital Fund Management S.A. | 93,224 | $21.6M | 0.25% | −54,206−36.8% | Reduced |
| United Capital Financial Advisers, LLC | 89,178 | $20.7M | 0.18% | −2,198−2.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 88,502 | $20.5M | 0.09% | +76,465+635.2% | Added |
| Rhenman & Partners Asset Management AB | 84,800 | $19.7M | 1.89% | +28,000+49.3% | Added |
| Toronto Dominion Bank | 83,248 | $19.3M | 0.03% | −12,436−13.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 83,025 | $19.3M | 0.09% | −2,570−3.0% | Reduced |
| Worldquant Millennium Advisors LLC | 80,828 | $18.7M | 0.17% | +76,787+1,900.2% | Added |
| Woodline Partners LP | 80,600 | $18.7M | 0.18% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 80,020 | $18.6M | 0.06% | −945−1.2% | Reduced |
| State of Wisconsin Investment Board | 79,395 | $18.4M | 0.05% | −9,168−10.4% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 78,627 | $18.2M | 0.04% | +574+0.7% | Added |
| Cutter Capital Management, LP | 76,726 | $17.8M | 5.42% | +24,726+47.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 73,356 | $17.0M | 0.06% | −1,999−2.7% | Reduced |
| AXA S.A. | 72,002 | $16.7M | 0.05% | −335,836−82.3% | Reduced |
| Royal London Asset Management Ltd | 69,572 | $16.1M | 0.04% | +12,751+22.4% | Added |
| Fisher Asset Management, LLC | 68,487 | $15.9M | 0.01% | +6,943+11.3% | Added |
| Handelsbanken Fonder AB | 67,206 | $15.6M | 0.07% | +3,146+4.9% | Added |
| J. Safra Sarasin Holding AG | 65,758 | $15.2M | 0.28% | +65,758 | New |
| Danske Bank A/S | 65,431 | $15.2M | 0.06% | −18,423−22.0% | Reduced |
| AMF Pensionsforsakring AB | 63,933 | $14.8M | 0.11% | +20,084+45.8% | Added |
| Guggenheim Capital LLC | 62,343 | $14.5M | 0.10% | −6,707−9.7% | Reduced |
| DnB Asset Management AS | 61,226 | $14.2M | 0.07% | +7,973+15.0% | Added |
| State of Tennessee, Treasury Department | 61,199 | $14.2M | 0.05% | +20,831+51.6% | Added |
| J. L. Bainbridge & Co., Inc. | 60,604 | $14.0M | 1.41% | +10,586+21.2% | Added |
| Edmond de Rothschild Holding S.A. | 60,220 | $14.0M | 0.24% | +540+0.9% | Added |
| Public Employees Retirement System of Ohio | 59,369 | $13.8M | 0.05% | −5,161−8.0% | Reduced |
| Man Group plc | 57,595 | $13.4M | 0.04% | +954+1.7% | Added |
| Storebrand Asset Management AS | 57,499 | $13.3M | 0.04% | −41,879−42.1% | Reduced |
| UniSuper Management Pty Ltd | 57,092 | $13.2M | 0.11% | +4,203+7.9% | Added |
| Gilder Gagnon Howe & Co LLC | 57,031 | $13.2M | 0.17% | −2,910−4.9% | Reduced |
| CenterBook Partners LP | 56,828 | $13.2M | 0.82% | +52,863+1,333.2% | Added |
| Nisa Investment Advisors, LLC | 56,528 | $13.1M | 0.08% | +1,820+3.3% | Added |
| Nomura Asset Management Co Ltd | 56,093 | $13.0M | 0.04% | −13,951−19.9% | Reduced |
| Macquarie Group Ltd | 55,829 | $12.9M | 0.01% | −64,892−53.8% | Reduced |
| Asset Management One Co.,Ltd. | 55,031 | $12.8M | 0.05% | −3,879−6.6% | Reduced |
| Martingale Asset Management L P | 54,341 | $12.6M | 0.27% | −3,251−5.6% | Reduced |
| National Bank of Canada | 54,304 | $12.6M | 0.02% | −18,520−25.4% | Reduced |
| State of New Jersey Common Pension Fund D | 52,984 | $12.3M | 0.05% | −29,041−35.4% | Reduced |
| LPL Financial LLC | 51,498 | $11.9M | 0.01% | +3,333+6.9% | Added |
| Factory Mutual Insurance Co | 49,200 | $11.4M | 0.13% | 00.0% | Unchanged |
| STRS Ohio | 49,000 | $11.4M | 0.04% | +49,000 | New |
| Corebridge Financial, Inc. | 48,408 | $11.2M | 0.06% | +48,408 | New |
| Grimes & Company, Inc. | 47,740 | $11.1M | 0.33% | +852+1.8% | Added |
| Sphera Funds Management Ltd. | 47,412 | $11.0M | 1.79% | −23,234−32.9% | Reduced |
| Walleye Capital LLC | 47,295 | $11.0M | 0.12% | +37,711+393.5% | Added |
| Stifel Financial Corp | 46,686 | $10.8M | 0.01% | −12,789−21.5% | Reduced |
| Resona Asset Management Co.,Ltd. | 46,313 | $10.7M | 0.06% | −3,272−6.6% | Reduced |
| Sector Gamma AS | 43,985 | $10.2M | 3.81% | −15,713−26.3% | Reduced |
| Clough Capital Partners L P | 42,800 | $9.92M | 1.08% | +42,800 | New |
| Assenagon Asset Management S.A. | 42,737 | $9.91M | 0.02% | −102−0.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 42,696 | $9.90M | 0.03% | +42,696 | New |
| CIBC Asset Management Inc | 42,675 | $9.89M | 0.04% | −205−0.5% | Reduced |
| Arizona State Retirement System | 42,140 | $9.77M | 0.07% | +559+1.3% | Added |
| KBC Group NV | 41,981 | $9.73M | 0.03% | −3,526−7.7% | Reduced |
| Illinois Municipal Retirement Fund | 41,977 | $9.73M | 0.15% | −7,140−14.5% | Reduced |
| Gateway Investment Advisers LLC | 41,389 | $9.59M | 0.11% | −45−0.1% | Reduced |
| Ossiam | 40,951 | $9.49M | 0.18% | +15,637+61.8% | Added |
| Comerica Bank | 40,898 | $9.48M | 0.04% | −1,416−3.3% | Reduced |
| Altrinsic Global Advisors LLC | 40,442 | $9.38M | 0.42% | −1,597−3.8% | Reduced |
| SG Americas Securities, LLC | 40,190 | $9.32M | 0.06% | −136,072−77.2% | Reduced |
| Varma Mutual Pension Insurance Co | 40,008 | $9.27M | 0.07% | −892−2.2% | Reduced |
| Nissay Asset Management Corp | 39,908 | $9.25M | 0.06% | +7,563+23.4% | Added |
| State of Michigan Retirement System | 39,903 | $9.25M | 0.05% | +200+0.5% | Added |
| ICICI Prudential Asset Management Co Ltd | 39,897 | $9.25M | 1.10% | −1,248−3.0% | Reduced |
| Truist Financial Corp | 39,669 | $9.20M | 0.01% | −2,753−6.5% | Reduced |
| Nicola Wealth Management Ltd. | 39,500 | $9.16M | 0.82% | 00.0% | Unchanged |
| MetLife Investment Management | 38,836 | $9.00M | 0.05% | +4,926+14.5% | Added |
| Channing Capital Management, LLC | 37,665 | $8.73M | 0.24% | −738−1.9% | Reduced |
| Calamos Advisors LLC | 37,455 | $8.68M | 0.04% | −1,367−3.5% | Reduced |
| Oppenheimer Asset Management Inc. | 36,767 | $8.52M | 0.11% | +2,787+8.2% | Added |
| Schroder Investment Management Group | 35,980 | $8.34M | 0.01% | −43,509−54.7% | Reduced |
| Hillman Capital Management, Inc. | 35,954 | $8.33M | 2.94% | +162+0.5% | Added |
| USS Investment Management Ltd | 35,742 | $8.30M | 0.07% | +1,386+4.0% | Added |
| Tang Capital Management LLC | 35,000 | $8.11M | 0.83% | +35,000 | New |
| Natixis Advisors, L.P. | 34,811 | $8.07M | 0.02% | +9,714+38.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 35,195 | $8.05M | 0.04% | −119,133−77.2% | Reduced |
| Ensign Peak Advisors, Inc | 34,581 | $8.02M | 0.01% | +7,505+27.7% | Added |
| Boston Common Asset Management, LLC | 34,456 | $7.99M | 0.20% | −10,810−23.9% | Reduced |
| IFM Investors Pty Ltd | 34,260 | $7.94M | 0.08% | +72+0.2% | Added |
| Kirr Marbach & Co LLC | 34,232 | $7.94M | 1.91% | +11,985+53.9% | Added |
| Teacher Retirement System of Texas | 33,837 | $7.84M | 0.04% | +891+2.7% | Added |
| Credit Agricole S A | 33,812 | $7.84M | 0.05% | +22,487+198.6% | Added |
| CI Private Wealth, LLC | 32,822 | $7.61M | 0.01% | +2,474+8.2% | Added |
| Orion Investment Co | 32,643 | $7.57M | 3.01% | +32,643 | New |
| Retirement Systems of Alabama | 32,117 | $7.45M | 0.03% | +136+0.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 31,981 | $7.41M | 0.05% | +172+0.5% | Added |
| Neuberger Berman Group LLC | 31,506 | $7.30M | 0.01% | +11,810+60.0% | Added |
| NorthCrest Asset Manangement, LLC | 31,472 | $7.30M | 0.24% | +38+0.1% | Added |