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 2023
Institutional positions in Biogen Inc. as of Mar 31, 2023. 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
- 1,004
- −11 vs. Q4 2022
- Shares held
- 127.9M
- +3.08M (+2.5%) vs. Q4 2022
- Total value
- $35.0B
- +$421.8M (+1.2%) vs. Q4 2022
- New holders
- 88
- 342 more added
- Sold out
- 99
- 365 more reduced
18 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Factory Mutual Insurance Co | 42,000 | $11.7M | 0.18% | +8,200+24.3% | Added |
| State of Michigan Retirement System | 42,461 | $11.8M | 0.08% | +400+1.0% | Added |
| LPL Financial LLC | 42,529 | $11.8M | 0.01% | −22−0.1% | Reduced |
| Weiss Multi-Strategy Advisers LLC | 43,132 | $12.0M | 0.29% | +13,806+47.1% | Added |
| State of Tennessee, Treasury Department | 43,148 | $12.0M | 0.05% | +6,964+19.2% | Added |
| Grimes & Company, Inc. | 44,488 | $12.4M | 0.51% | −1,547−3.4% | Reduced |
| Banque Pictet & Cie SA | 45,434 | $12.6M | 0.12% | −8,562−15.9% | Reduced |
| Mackenzie Financial Corp | 45,589 | $12.7M | 0.02% | −474−1.0% | Reduced |
| AMF Pensionsforsakring AB | 45,645 | $12.7M | 0.13% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 45,659 | $12.7M | 0.06% | −13,962−23.4% | Reduced |
| Oregon Public Employees Retirement Fund | 46,730 | $13.0M | 0.16% | −811−1.7% | Reduced |
| Rhenman & Partners Asset Management AB | 47,500 | $13.1M | 1.43% | +17,500+58.3% | Added |
| State of Alaska, Department of Revenue | 48,664 | $13.5M | 0.16% | +243+0.5% | Added |
| Jane Street Group, LLC | 49,910 | $13.9M | 0.02% | −157,671−76.0% | Reduced |
| Tredje AP-fonden | 50,383 | $14.0M | 0.22% | +41,286+453.8% | Added |
| Altrinsic Global Advisors LLC | 51,776 | $14.4M | 0.56% | +12,449+31.7% | Added |
| Baird Financial Group, Inc. | 52,920 | $14.7M | 0.04% | −1,821−3.3% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 53,000 | $14.7M | 0.22% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 54,412 | $15.1M | 0.25% | −2,129−3.8% | Reduced |
| American International Group, Inc. | 54,494 | $15.2M | 0.10% | +172+0.3% | Added |
| Bridger Management, LLC | 56,277 | $15.6M | 5.82% | +8,500+17.8% | Added |
| Illinois Municipal Retirement Fund | 56,392 | $15.7M | 0.33% | −7,916−12.3% | Reduced |
| Tobam | 56,832 | $15.8M | 1.04% | −21,678−27.6% | Reduced |
| Guggenheim Capital LLC | 57,456 | $16.0M | 0.13% | −2,081−3.5% | Reduced |
| Asset Management One Co.,Ltd. | 58,357 | $16.2M | 0.07% | +270.0% | Added |
| DnB Asset Management AS | 59,140 | $16.4M | 0.10% | +16,467+38.6% | Added |
| Rafferty Asset Management, LLC | 59,165 | $16.4M | 0.11% | +2,794+5.0% | Added |
| Macquarie Group Ltd | 59,340 | $16.5M | 0.02% | +6,358+12.0% | Added |
| Boone Capital Management LLC | 59,522 | $16.5M | 7.75% | +17,679+42.3% | Added |
| Andra AP-fonden | 60,300 | $16.8M | 0.44% | +10,100+20.1% | Added |
| Nomura Asset Management Co Ltd | 61,247 | $17.0M | 0.09% | −224−0.4% | Reduced |
| Los Angeles Capital Management LLC | 61,631 | $17.1M | 0.08% | −139,445−69.3% | Reduced |
| Jennison Associates LLC | 61,787 | $17.2M | 0.02% | +61,787 | New |
| Martingale Asset Management L P | 62,724 | $17.4M | 0.34% | +37,482+148.5% | Added |
| Federated Hermes, Inc. | 62,871 | $17.5M | 0.04% | +250+0.4% | Added |
| FIL Ltd | 63,887 | $17.8M | 0.02% | +8,864+16.1% | Added |
| Foundry Partners, LLC | 64,753 | $18.0M | 1.13% | +7,511+13.1% | Added |
| Brandywine Global Investment Management, LLC | 65,637 | $18.2M | 0.15% | −2,469−3.6% | Reduced |
| Gateway Investment Advisers LLC | 66,436 | $18.5M | 0.23% | +10,014+17.7% | Added |
| KBC Group NV | 67,419 | $18.7M | 0.08% | +28,878+74.9% | Added |
| Allspring Global Investments Holdings, LLC | 68,169 | $19.0M | 0.03% | −32,497−32.3% | Reduced |
| Handelsbanken Fonder AB | 69,235 | $19.2M | 0.11% | +3,013+4.5% | Added |
| Truist Financial Corp | 71,179 | $19.8M | 0.03% | +11,605+19.5% | Added |
| Sprucegrove Investment Management Ltd | 71,400 | $19.9M | 1.08% | +2,700+3.9% | Added |
| Nisa Investment Advisors, LLC | 71,731 | $19.9M | 0.16% | +3,778+5.6% | Added |
| Employees Retirement System of Texas | 73,000 | $20.3M | 0.30% | −27,000−27.0% | Reduced |
| Mn Services Vermogensbeheer B.V. | 73,408 | $20.4M | 0.21% | +3,300+4.7% | Added |
| Schroder Investment Management Group | 74,069 | $20.6M | 0.03% | +56,560+323.0% | Added |
| Artia Global Partners LP | 80,000 | $22.2M | 8.95% | +50,000+166.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 80,574 | $22.4M | 0.16% | −1,488−1.8% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 84,408 | $23.5M | 0.09% | +858+1.0% | Added |
| State of New Jersey Common Pension Fund D | 85,382 | $23.7M | 0.08% | −505−0.6% | Reduced |
| Putnam Investments LLC | 86,211 | $24.0M | 0.04% | −60,843−41.4% | Reduced |
| Glenmede Trust Co NA | 86,701 | $24.1M | 0.14% | −2,573−2.9% | Reduced |
| Sector Gamma AS | 87,836 | $24.4M | 5.92% | +17,797+25.4% | Added |
| Public Employees Retirement System of Ohio | 88,261 | $24.5M | 0.10% | +8,620+10.8% | Added |
| Susquehanna International Group, LLP | 90,118 | $25.1M | 0.04% | −126,619−58.4% | Reduced |
| Treasurer of the State of North Carolina | 94,061 | $26.2M | 0.15% | +2,403+2.6% | Added |
| Toronto Dominion Bank | 95,626 | $26.6M | 0.04% | −40,487−29.7% | Reduced |
| Royal London Asset Management Ltd | 96,375 | $26.8M | 0.11% | −44,443−31.6% | Reduced |
| State of Wisconsin Investment Board | 98,821 | $27.5M | 0.08% | +5,448+5.8% | Added |
| Logos Global Management LP | 100,000 | $27.8M | 3.98% | +100,000 | New |
| SEI Investments Co | 101,415 | $28.2M | 0.05% | +3,983+4.1% | Added |
| ExodusPoint Capital Management, LP | 104,296 | $29.0M | 0.33% | +26,437+34.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 107,268 | $29.8M | 0.16% | +45,041+72.4% | Added |
| Hudson Bay Capital Management LP | 109,306 | $30.4M | 0.33% | +56,806+108.2% | Added |
| Standard Life Aberdeen plc | 114,507 | $31.8M | 0.08% | +10,174+9.8% | Added |
| Letko, Brosseau & Associates Inc | 115,725 | $32.2M | 0.60% | −333−0.3% | Reduced |
| ING Groep NV | 117,558 | $32.7M | 0.32% | +51,662+78.4% | Added |
| APG Asset Management N.V. | 128,517 | $32.9M | 0.07% | −36,604−22.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 119,576 | $33.2M | 0.08% | +8,107+7.3% | Added |
| Raymond James & Associates | 120,417 | $33.5M | 0.03% | −1,067−0.9% | Reduced |
| Voya Investment Management LLC | 120,420 | $33.5M | 0.04% | +1,780+1.5% | Added |
| Manufacturers Life Insurance Company, The | 124,509 | $34.6M | 0.02% | −4,204−3.3% | Reduced |
| Swedbank AB | 125,127 | $34.8M | 0.07% | +3,125+2.6% | Added |
| Intech Investment Management LLC | 127,332 | $35.4M | 0.29% | −24,351−16.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 128,194 | $35.6M | 0.09% | −28,381−18.1% | Reduced |
| Avidity Partners Management LP | 128,800 | $35.8M | 1.19% | +128,800 | New |
| Verition Fund Management LLC | 132,210 | $36.8M | 0.59% | +47,709+56.5% | Added |
| Sofinnova Investments, Inc. | 132,600 | $36.9M | 2.50% | +132,600 | New |
| Fisher Asset Management, LLC | 132,817 | $36.9M | 0.02% | +322+0.2% | Added |
| STRS Ohio | 136,753 | $38.0M | 0.16% | +203+0.1% | Added |
| Victory Capital Management Inc | 140,373 | $39.0M | 0.04% | −15,490−9.9% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 140,502 | $39.1M | 0.20% | +5,400+4.0% | Added |
| Wedge Capital Management L L P | 141,626 | $39.4M | 0.66% | +7,199+5.4% | Added |
| Woodline Partners LP | 143,078 | $39.8M | 0.56% | +107,569+302.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 146,385 | $40.7M | 0.09% | −43,106−22.7% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 146,941 | $40.9M | 0.51% | +7,893+5.7% | Added |
| Massachusetts Financial Services Co | 147,087 | $40.9M | 0.01% | −462−0.3% | Reduced |
| Bridgewater Associates, LP | 147,725 | $41.1M | 0.25% | +36,928+33.3% | Added |
| Storebrand Asset Management AS | 149,227 | $41.5M | 0.21% | +48,910+48.8% | Added |
| Eversept Partners, LP | 153,774 | $42.8M | 3.84% | +16,426+12.0% | Added |
| TD Asset Management Inc | 155,859 | $43.3M | 0.05% | −3,860−2.4% | Reduced |
| New York State Common Retirement Fund | 157,845 | $43.9M | 0.06% | −6,193−3.8% | Reduced |
| ProShare Advisors LLC | 157,923 | $43.9M | 0.13% | +16,349+11.5% | Added |
| Brown Advisory Inc | 161,213 | $44.8M | 0.08% | +11,582+7.7% | Added |
| New York State Teachers Retirement System | 162,091 | $45.1M | 0.11% | −1,607−1.0% | Reduced |
| Great West Life Assurance Co | 166,710 | $46.4M | 0.12% | +25,045+17.7% | Added |
| Korea Investment CORP | 167,794 | $46.7M | 0.14% | −17,244−9.3% | Reduced |
| Canada Pension Plan Investment Board | 168,810 | $46.9M | 0.07% | +11,415+7.3% | Added |