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 2021
Institutional positions in Biogen Inc. as of Dec 31, 2021. 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
- 1,014
- −7 vs. Q3 2021
- Shares held
- 123.9M
- +172.9K (+0.1%) vs. Q3 2021
- Total value
- $29.7B
- −$5.31B (−15.2%) vs. Q3 2021
- New holders
- 146
- 295 more added
- Sold out
- 153
- 395 more reduced
23 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vontobel Holding Ltd. | 36,254 | $8.70M | 0.07% | −11,370−23.9% | Reduced |
| Woodline Partners LP | 37,781 | $9.06M | 0.13% | −14,637−27.9% | Reduced |
| Jupiter Asset Management Ltd | 38,584 | $9.26M | 0.10% | −18,991−33.0% | Reduced |
| Amalgamated Bank | 39,532 | $9.48M | 0.07% | −771−1.9% | Reduced |
| Edgestream Partners, L.P. | 39,587 | $9.50M | 0.59% | +22,373+130.0% | Added |
| Kynam Capital Management, LP | 40,000 | $9.60M | 5.13% | +40,000 | New |
| CSM Advisors, LLC | 40,461 | $9.71M | 0.65% | −350−0.9% | Reduced |
| KBC Group NV | 40,696 | $9.76M | 0.03% | −5,801−12.5% | Reduced |
| NN Investment Partners Holdings N.V. | 40,794 | $9.79M | 0.05% | +2,316+6.0% | Added |
| Arizona State Retirement System | 40,818 | $9.79M | 0.07% | −1,166−2.8% | Reduced |
| The PNC Financial Services Group, Inc. | 40,832 | $9.80M | 0.01% | −5,533−11.9% | Reduced |
| Atwood & Palmer Inc | 41,227 | $9.89M | 0.83% | +1,056+2.6% | Added |
| Nomura Asset Management Co Ltd | 41,396 | $9.93M | 0.05% | −7,843−15.9% | Reduced |
| Grimes & Company, Inc. | 41,529 | $9.96M | 0.46% | −312−0.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 42,721 | $10.3M | 0.09% | −1,500−3.4% | Reduced |
| Group One Trading, L.P. | 42,771 | $10.3M | 0.19% | +42,771 | New |
| Allspring Global Investments Holdings, LLC | 43,262 | $10.4M | 0.01% | +43,262 | New |
| Illinois Municipal Retirement Fund | 43,287 | $10.4M | 0.29% | +7,221+20.0% | Added |
| Stifel Financial Corp | 43,825 | $10.5M | 0.01% | −3,420−7.2% | Reduced |
| GMT Capital Corp | 43,850 | $10.5M | 0.81% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 44,000 | $10.6M | 0.12% | +24,000+120.0% | Added |
| Mackenzie Financial Corp | 44,505 | $10.7M | 0.01% | +4,691+11.8% | Added |
| Rafferty Asset Management, LLC | 44,960 | $10.8M | 0.06% | +15,793+54.1% | Added |
| Calamos Advisors LLC | 45,018 | $10.8M | 0.04% | +1,743+4.0% | Added |
| Oppenheimer Asset Management Inc. | 45,578 | $10.9M | 0.14% | −6,960−13.2% | Reduced |
| DnB Asset Management AS | 45,954 | $11.0M | 0.06% | +2,688+6.2% | Added |
| LPL Financial LLC | 45,984 | $11.0M | 0.01% | −3,273−6.6% | Reduced |
| Aviva PLC | 46,102 | $11.1M | 0.05% | −3,527−7.1% | Reduced |
| International Biotechnology Trust PLC | 47,500 | $11.4M | 2.54% | +22,000+86.3% | Added |
| Perceptive Advisors LLC | 48,600 | $11.7M | 0.18% | 00.0% | Unchanged |
| STRS Ohio | 51,145 | $12.3M | 0.04% | −3,692−6.7% | Reduced |
| Westpac Banking Corp | 52,930 | $12.7M | 0.13% | +30,475+135.7% | Added |
| Oregon Public Employees Retirement Fund | 53,019 | $12.7M | 0.14% | −10,418−16.4% | Reduced |
| Alberta Investment Management Corp | 53,200 | $12.8M | 0.08% | +31,500+145.2% | Added |
| Gateway Investment Advisers LLC | 55,030 | $13.2M | 0.13% | −6,782−11.0% | Reduced |
| Macquarie Group Ltd | 56,616 | $13.6M | 0.01% | −15,769−21.8% | Reduced |
| Truist Financial Corp | 57,764 | $13.9M | 0.02% | −24,467−29.8% | Reduced |
| State of Alaska, Department of Revenue | 57,835 | $13.9M | 0.13% | −8,085−12.3% | Reduced |
| American International Group, Inc. | 57,884 | $13.9M | 0.07% | −1,381−2.3% | Reduced |
| Montag & Caldwell, LLC | 58,121 | $13.9M | 1.35% | +5,409+10.3% | Added |
| PEAK6 Investments LLC | 58,579 | $14.1M | 0.39% | −48,840−45.5% | Reduced |
| Ensign Peak Advisors, Inc | 59,651 | $14.3M | 0.03% | −59,105−49.8% | Reduced |
| Andra AP-fonden | 60,400 | $14.5M | 0.30% | −3,100−4.9% | Reduced |
| Jefferies Group LLC | 63,898 | $15.3M | 0.29% | +54,541+582.9% | Added |
| Standard Life Aberdeen plc | 65,045 | $15.6M | 0.03% | −1,936−2.9% | Reduced |
| Handelsbanken Fonder AB | 65,686 | $15.8M | 0.08% | −21,897−25.0% | Reduced |
| Sector Gamma AS | 66,599 | $16.0M | 3.76% | −16,720−20.1% | Reduced |
| Federated Hermes, Inc. | 69,450 | $16.7M | 0.03% | +64,015+1,177.8% | Added |
| Ossiam | 70,113 | $16.8M | 0.44% | +21,298+43.6% | Added |
| Asset Management One Co.,Ltd. | 66,641 | $17.2M | 0.06% | −1,378−2.0% | Reduced |
| Edmond de Rothschild Holding S.A. | 72,075 | $17.3M | 0.37% | +10,772+17.6% | Added |
| Storebrand Asset Management AS | 72,280 | $17.3M | 0.08% | −31,471−30.3% | Reduced |
| Beacon Investment Advisory Services, Inc. | 72,419 | $17.4M | 0.67% | −6,549−8.3% | Reduced |
| FIL Ltd | 72,666 | $17.4M | 0.02% | −1,734−2.3% | Reduced |
| Bridgeway Capital Management, LLC | 75,745 | $18.2M | 0.34% | −1,130−1.5% | Reduced |
| Banque Pictet & Cie SA | 77,081 | $18.5M | 0.14% | +54,819+246.2% | Added |
| Baird Financial Group, Inc. | 77,840 | $18.7M | 0.04% | +3,823+5.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 77,765 | $19.0M | 0.08% | +10,774+16.1% | Added |
| Nisa Investment Advisors, LLC | 85,206 | $19.3M | 0.14% | +6,965+8.9% | Added |
| Balyasny Asset Management LLC | 81,244 | $19.5M | 0.08% | +34,709+74.6% | Added |
| O'Shaughnessy Asset Management, LLC | 82,312 | $19.7M | 0.35% | −6,989−7.8% | Reduced |
| Retirement Systems of Alabama | 82,625 | $19.8M | 0.07% | +6,073+7.9% | Added |
| Leonteq Securities AG | 86,120 | $20.7M | 0.93% | +50,704+143.2% | Added |
| Worldquant Millennium Advisors LLC | 87,255 | $20.9M | 0.42% | +87,255 | New |
| State of New Jersey Common Pension Fund D | 88,513 | $21.2M | 0.06% | −1,610−1.8% | Reduced |
| Guggenheim Capital LLC | 88,780 | $21.3M | 0.11% | +10,109+12.8% | Added |
| Chevy Chase Trust Holdings, Inc. | 88,907 | $21.3M | 0.07% | −3,324−3.6% | Reduced |
| Citadel Advisors LLC | 89,241 | $21.4M | 0.02% | −247,115−73.5% | Reduced |
| Public Employees Retirement System of Ohio | 90,702 | $21.8M | 0.07% | −4,085−4.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 97,207 | $23.3M | 0.11% | +19,344+24.8% | Added |
| Treasurer of the State of North Carolina | 98,057 | $23.5M | 0.12% | +8,042+8.9% | Added |
| Korea Investment CORP | 98,240 | $23.6M | 0.06% | −21,474−17.9% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 99,100 | $23.8M | 0.11% | +5,700+6.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 100,899 | $24.2M | 0.12% | −20,850−17.1% | Reduced |
| Royal London Asset Management Ltd | 100,934 | $24.2M | 0.09% | −6,572−6.1% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 102,484 | $24.6M | 1.57% | +18,138+21.5% | Added |
| Krensavage Asset Management, LLC | 103,053 | $24.7M | 8.58% | −149−0.1% | Reduced |
| Russell Investments Group, Ltd. | 104,070 | $25.0M | 0.04% | −2,380−2.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 104,397 | $25.0M | 0.05% | +18,669+21.8% | Added |
| AMF Pensionsforsakring AB | 104,492 | $25.1M | 0.17% | +9,209+9.7% | Added |
| Boston Common Asset Management, LLC | 107,771 | $25.9M | 1.04% | +7,511+7.5% | Added |
| Voya Investment Management LLC | 109,260 | $26.2M | 0.05% | +29,757+37.4% | Added |
| Altrinsic Global Advisors LLC | 112,083 | $26.9M | 0.86% | −13,938−11.1% | Reduced |
| Manufacturers Life Insurance Company, The | 112,523 | $27.0M | 0.02% | −20,993−15.7% | Reduced |
| Great Lakes Advisors, LLC | 112,789 | $27.1M | 0.41% | +25,158+28.7% | Added |
| Rhenman & Partners Asset Management AB | 115,000 | $27.6M | 1.84% | −35,000−23.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 116,208 | $27.9M | 0.16% | +2,800+2.5% | Added |
| Toronto Dominion Bank | 119,267 | $28.6M | 0.04% | +10,743+9.9% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 120,731 | $28.7M | 0.38% | +103,510+601.1% | Added |
| Letko, Brosseau & Associates Inc | 123,371 | $29.6M | 0.42% | +3,375+2.8% | Added |
| Glenmede Trust Co NA | 124,617 | $29.9M | 0.14% | −21,842−14.9% | Reduced |
| CIBC World Markets Corp | 124,701 | $29.9M | 0.16% | +67,283+117.2% | Added |
| Fisher Asset Management, LLC | 132,034 | $31.7M | 0.02% | +23,545+21.7% | Added |
| Raymond James & Associates | 132,282 | $31.7M | 0.03% | −18,700−12.4% | Reduced |
| Putnam Investments LLC | 133,350 | $32.0M | 0.05% | −18,311−12.1% | Reduced |
| Eaton Vance Management | 134,454 | $32.3M | 0.04% | −6,995−4.9% | Reduced |
| State of Wisconsin Investment Board | 135,563 | $32.5M | 0.06% | −19,549−12.6% | Reduced |
| Tekla Capital Management LLC | 135,639 | $32.5M | 1.05% | −98,214−42.0% | Reduced |
| Victory Capital Management Inc | 140,146 | $33.6M | 0.03% | +11,863+9.2% | Added |
| State of Michigan Retirement System | 145,541 | $34.9M | 0.18% | +358+0.2% | Added |