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 |
|---|---|---|---|---|---|
| Principal Financial Group Inc | 176,377 | $49.0M | 0.04% | +3,490+2.0% | Added |
| Railway Pension Investments Ltd | 174,022 | $48.4M | 0.49% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 170,304 | $47.3M | 0.49% | +141,604+493.4% | Added |
| Canada Pension Plan Investment Board | 168,810 | $46.9M | 0.07% | +11,415+7.3% | Added |
| Korea Investment CORP | 167,794 | $46.7M | 0.14% | −17,244−9.3% | Reduced |
| Great West Life Assurance Co | 166,710 | $46.4M | 0.12% | +25,045+17.7% | Added |
| New York State Teachers Retirement System | 162,091 | $45.1M | 0.11% | −1,607−1.0% | Reduced |
| Brown Advisory Inc | 161,213 | $44.8M | 0.08% | +11,582+7.7% | Added |
| ProShare Advisors LLC | 157,923 | $43.9M | 0.13% | +16,349+11.5% | Added |
| New York State Common Retirement Fund | 157,845 | $43.9M | 0.06% | −6,193−3.8% | Reduced |
| TD Asset Management Inc | 155,859 | $43.3M | 0.05% | −3,860−2.4% | Reduced |
| Eversept Partners, LP | 153,774 | $42.8M | 3.84% | +16,426+12.0% | Added |
| Storebrand Asset Management AS | 149,227 | $41.5M | 0.21% | +48,910+48.8% | Added |
| Bridgewater Associates, LP | 147,725 | $41.1M | 0.25% | +36,928+33.3% | Added |
| Massachusetts Financial Services Co | 147,087 | $40.9M | 0.01% | −462−0.3% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 146,941 | $40.9M | 0.51% | +7,893+5.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 146,385 | $40.7M | 0.09% | −43,106−22.7% | Reduced |
| Woodline Partners LP | 143,078 | $39.8M | 0.56% | +107,569+302.9% | Added |
| Wedge Capital Management L L P | 141,626 | $39.4M | 0.66% | +7,199+5.4% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 140,502 | $39.1M | 0.20% | +5,400+4.0% | Added |
| Victory Capital Management Inc | 140,373 | $39.0M | 0.04% | −15,490−9.9% | Reduced |
| STRS Ohio | 136,753 | $38.0M | 0.16% | +203+0.1% | Added |
| Fisher Asset Management, LLC | 132,817 | $36.9M | 0.02% | +322+0.2% | Added |
| Sofinnova Investments, Inc. | 132,600 | $36.9M | 2.50% | +132,600 | New |
| Verition Fund Management LLC | 132,210 | $36.8M | 0.59% | +47,709+56.5% | Added |
| Avidity Partners Management LP | 128,800 | $35.8M | 1.19% | +128,800 | New |
| Mitsubishi UFJ Trust & Banking Corp | 128,194 | $35.6M | 0.09% | −28,381−18.1% | Reduced |
| Intech Investment Management LLC | 127,332 | $35.4M | 0.29% | −24,351−16.1% | Reduced |
| Swedbank AB | 125,127 | $34.8M | 0.07% | +3,125+2.6% | Added |
| Manufacturers Life Insurance Company, The | 124,509 | $34.6M | 0.02% | −4,204−3.3% | Reduced |
| Voya Investment Management LLC | 120,420 | $33.5M | 0.04% | +1,780+1.5% | Added |
| Raymond James & Associates | 120,417 | $33.5M | 0.03% | −1,067−0.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 119,576 | $33.2M | 0.08% | +8,107+7.3% | Added |
| APG Asset Management N.V. | 128,517 | $32.9M | 0.07% | −36,604−22.2% | Reduced |
| ING Groep NV | 117,558 | $32.7M | 0.32% | +51,662+78.4% | Added |
| Letko, Brosseau & Associates Inc | 115,725 | $32.2M | 0.60% | −333−0.3% | Reduced |
| Standard Life Aberdeen plc | 114,507 | $31.8M | 0.08% | +10,174+9.8% | Added |
| Hudson Bay Capital Management LP | 109,306 | $30.4M | 0.33% | +56,806+108.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 107,268 | $29.8M | 0.16% | +45,041+72.4% | Added |
| ExodusPoint Capital Management, LP | 104,296 | $29.0M | 0.33% | +26,437+34.0% | Added |
| SEI Investments Co | 101,415 | $28.2M | 0.05% | +3,983+4.1% | Added |
| Logos Global Management LP | 100,000 | $27.8M | 3.98% | +100,000 | New |
| State of Wisconsin Investment Board | 98,821 | $27.5M | 0.08% | +5,448+5.8% | Added |
| Royal London Asset Management Ltd | 96,375 | $26.8M | 0.11% | −44,443−31.6% | Reduced |
| Toronto Dominion Bank | 95,626 | $26.6M | 0.04% | −40,487−29.7% | Reduced |
| Treasurer of the State of North Carolina | 94,061 | $26.2M | 0.15% | +2,403+2.6% | Added |
| Susquehanna International Group, LLP | 90,118 | $25.1M | 0.04% | −126,619−58.4% | Reduced |
| Public Employees Retirement System of Ohio | 88,261 | $24.5M | 0.10% | +8,620+10.8% | Added |
| Sector Gamma AS | 87,836 | $24.4M | 5.92% | +17,797+25.4% | Added |
| Glenmede Trust Co NA | 86,701 | $24.1M | 0.14% | −2,573−2.9% | Reduced |
| Putnam Investments LLC | 86,211 | $24.0M | 0.04% | −60,843−41.4% | Reduced |
| State of New Jersey Common Pension Fund D | 85,382 | $23.7M | 0.08% | −505−0.6% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 84,408 | $23.5M | 0.09% | +858+1.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 80,574 | $22.4M | 0.16% | −1,488−1.8% | Reduced |
| Artia Global Partners LP | 80,000 | $22.2M | 8.95% | +50,000+166.7% | Added |
| Schroder Investment Management Group | 74,069 | $20.6M | 0.03% | +56,560+323.0% | Added |
| Mn Services Vermogensbeheer B.V. | 73,408 | $20.4M | 0.21% | +3,300+4.7% | Added |
| Employees Retirement System of Texas | 73,000 | $20.3M | 0.30% | −27,000−27.0% | Reduced |
| Nisa Investment Advisors, LLC | 71,731 | $19.9M | 0.16% | +3,778+5.6% | Added |
| Sprucegrove Investment Management Ltd | 71,400 | $19.9M | 1.08% | +2,700+3.9% | Added |
| Truist Financial Corp | 71,179 | $19.8M | 0.03% | +11,605+19.5% | Added |
| Handelsbanken Fonder AB | 69,235 | $19.2M | 0.11% | +3,013+4.5% | Added |
| Allspring Global Investments Holdings, LLC | 68,169 | $19.0M | 0.03% | −32,497−32.3% | Reduced |
| KBC Group NV | 67,419 | $18.7M | 0.08% | +28,878+74.9% | Added |
| Gateway Investment Advisers LLC | 66,436 | $18.5M | 0.23% | +10,014+17.7% | Added |
| Brandywine Global Investment Management, LLC | 65,637 | $18.2M | 0.15% | −2,469−3.6% | Reduced |
| Foundry Partners, LLC | 64,753 | $18.0M | 1.13% | +7,511+13.1% | Added |
| FIL Ltd | 63,887 | $17.8M | 0.02% | +8,864+16.1% | Added |
| Federated Hermes, Inc. | 62,871 | $17.5M | 0.04% | +250+0.4% | Added |
| Martingale Asset Management L P | 62,724 | $17.4M | 0.34% | +37,482+148.5% | Added |
| Jennison Associates LLC | 61,787 | $17.2M | 0.02% | +61,787 | New |
| Los Angeles Capital Management LLC | 61,631 | $17.1M | 0.08% | −139,445−69.3% | Reduced |
| Nomura Asset Management Co Ltd | 61,247 | $17.0M | 0.09% | −224−0.4% | Reduced |
| Andra AP-fonden | 60,300 | $16.8M | 0.44% | +10,100+20.1% | Added |
| Boone Capital Management LLC | 59,522 | $16.5M | 7.75% | +17,679+42.3% | Added |
| Macquarie Group Ltd | 59,340 | $16.5M | 0.02% | +6,358+12.0% | Added |
| Rafferty Asset Management, LLC | 59,165 | $16.4M | 0.11% | +2,794+5.0% | Added |
| DnB Asset Management AS | 59,140 | $16.4M | 0.10% | +16,467+38.6% | Added |
| Asset Management One Co.,Ltd. | 58,357 | $16.2M | 0.07% | +270.0% | Added |
| Guggenheim Capital LLC | 57,456 | $16.0M | 0.13% | −2,081−3.5% | Reduced |
| Tobam | 56,832 | $15.8M | 1.04% | −21,678−27.6% | Reduced |
| Illinois Municipal Retirement Fund | 56,392 | $15.7M | 0.33% | −7,916−12.3% | Reduced |
| Bridger Management, LLC | 56,277 | $15.6M | 5.82% | +8,500+17.8% | Added |
| American International Group, Inc. | 54,494 | $15.2M | 0.10% | +172+0.3% | Added |
| Gilder Gagnon Howe & Co LLC | 54,412 | $15.1M | 0.25% | −2,129−3.8% | Reduced |
| Clal Insurance Enterprises Holdings Ltd | 53,000 | $14.7M | 0.22% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 52,920 | $14.7M | 0.04% | −1,821−3.3% | Reduced |
| Altrinsic Global Advisors LLC | 51,776 | $14.4M | 0.56% | +12,449+31.7% | Added |
| Tredje AP-fonden | 50,383 | $14.0M | 0.22% | +41,286+453.8% | Added |
| Jane Street Group, LLC | 49,910 | $13.9M | 0.02% | −157,671−76.0% | Reduced |
| State of Alaska, Department of Revenue | 48,664 | $13.5M | 0.16% | +243+0.5% | Added |
| Rhenman & Partners Asset Management AB | 47,500 | $13.1M | 1.43% | +17,500+58.3% | Added |
| Oregon Public Employees Retirement Fund | 46,730 | $13.0M | 0.16% | −811−1.7% | Reduced |
| Acadian Asset Management LLC | 45,659 | $12.7M | 0.06% | −13,962−23.4% | Reduced |
| AMF Pensionsforsakring AB | 45,645 | $12.7M | 0.13% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 45,589 | $12.7M | 0.02% | −474−1.0% | Reduced |
| Banque Pictet & Cie SA | 45,434 | $12.6M | 0.12% | −8,562−15.9% | Reduced |
| Grimes & Company, Inc. | 44,488 | $12.4M | 0.51% | −1,547−3.4% | Reduced |
| State of Tennessee, Treasury Department | 43,148 | $12.0M | 0.05% | +6,964+19.2% | Added |
| Weiss Multi-Strategy Advisers LLC | 43,132 | $12.0M | 0.29% | +13,806+47.1% | Added |