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; 1,046 institutions reported holding it in 13F filings for Q2 2026, worth $30.7B in total; no superinvestor holds it.
13F holders, Q3 2024
Institutional positions in Biogen Inc. as of Sep 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
- 921
- −17 vs. Q2 2024
- Shares held
- 129.8M
- +15.4M (+13.4%) vs. Q2 2024
- Total value
- $25.1B
- −$1.44B (−5.4%) vs. Q2 2024
- New holders
- 101
- 269 more added
- Sold out
- 118
- 378 more reduced
9 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 1,046 | $30.7B |
| Q1 2026 | 1,014 | $24.7B |
| Q4 2025 | 1,001 | $24.6B |
| Q3 2025 | 908 | $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, Q3 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sarissa Capital Management LP | 26,950 | $5.22M | 1.30% | −616,050−95.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 27,691 | $5.37M | 0.01% | −15,005−35.1% | Reduced |
| Forsta Ap-Fonden | 28,100 | $5.45M | 0.04% | +3,400+13.8% | Added |
| CSM Advisors, LLC | 28,109 | $5.45M | 0.36% | −300−1.1% | Reduced |
| Commonwealth Equity Services, LLC | 28,343 | $5.49M | 0.01% | −103−0.4% | Reduced |
| Profund Advisors LLC | 28,531 | $5.53M | 0.21% | +1,610+6.0% | Added |
| Amalgamated Bank | 28,623 | $5.55M | 0.05% | −805−2.7% | Reduced |
| Credit Agricole S A | 29,030 | $5.63M | 0.03% | −4,782−14.1% | Reduced |
| Baird Financial Group, Inc. | 29,442 | $5.71M | 0.01% | +2,858+10.8% | Added |
| ADAR1 Capital Management, LLC | 29,625 | $5.74M | 0.96% | +29,625 | New |
| Czech National Bank | 29,672 | $5.75M | 0.06% | +1,928+6.9% | Added |
| CI Private Wealth, LLC | 29,722 | $5.76M | 0.01% | −3,100−9.4% | Reduced |
| Suvretta Capital Management, LLC | 29,946 | $5.80M | 0.21% | +29,946 | New |
| CenterBook Partners LP | 29,987 | $5.81M | 0.36% | −26,841−47.2% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 30,368 | $5.89M | 0.62% | −9,529−23.9% | Reduced |
| Banque Pictet & Cie SA | 30,735 | $5.96M | 0.06% | +966+3.2% | Added |
| Bedell Frazier Investment Counseling, LLC | 31,318 | $6.07M | 1.45% | +17,628+128.8% | Added |
| Retirement Systems of Alabama | 31,321 | $6.07M | 0.02% | −796−2.5% | Reduced |
| Daiwa Securities Group Inc. | 31,594 | $6.12M | 0.03% | +6,746+27.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 31,709 | $6.15M | 0.04% | −272−0.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 31,721 | $6.15M | 0.06% | +31,721 | New |
| NorthCrest Asset Manangement, LLC | 31,858 | $6.18M | 0.19% | +386+1.2% | Added |
| Neuberger Berman Group LLC | 32,099 | $6.22M | 0.00% | +593+1.9% | Added |
| Orion Investment Co | 32,555 | $6.31M | 2.47% | −88−0.3% | Reduced |
| KBC Group NV | 33,229 | $6.44M | 0.02% | −8,752−20.8% | Reduced |
| Stoneridge Investment Partners LLC | 33,799 | $6.55M | 2.44% | +3,244+10.6% | Added |
| IFM Investors Pty Ltd | 34,013 | $6.59M | 0.06% | −247−0.7% | Reduced |
| Kirr Marbach & Co LLC | 34,376 | $6.66M | 1.49% | +144+0.4% | Added |
| Tang Capital Management LLC | 35,000 | $6.78M | 0.48% | 00.0% | Unchanged |
| Sector Gamma AS | 35,166 | $6.82M | 2.07% | −8,819−20.1% | Reduced |
| Hillman Capital Management, Inc. | 35,253 | $6.83M | 2.34% | −701−1.9% | Reduced |
| China Universal Asset Management Co., Ltd. | 35,863 | $6.95M | 0.77% | +15,902+79.7% | Added |
| Oppenheimer Asset Management Inc. | 35,928 | $6.96M | 0.08% | −839−2.3% | Reduced |
| Calamos Advisors LLC | 36,558 | $7.09M | 0.03% | −897−2.4% | Reduced |
| Truist Financial Corp | 36,746 | $7.12M | 0.01% | −2,923−7.4% | Reduced |
| Channing Capital Management, LLC | 36,974 | $7.17M | 0.18% | −691−1.8% | Reduced |
| USS Investment Management Ltd | 37,082 | $7.18M | 0.05% | +1,340+3.7% | Added |
| Varma Mutual Pension Insurance Co | 41,608 | $7.24M | 0.06% | +1,600+4.0% | Added |
| MetLife Investment Management | 37,874 | $7.34M | 0.04% | −962−2.5% | Reduced |
| Impax Asset Management Group plc | 38,810 | $7.52M | 0.03% | +11,185+40.5% | Added |
| Altrinsic Global Advisors LLC | 39,350 | $7.63M | 0.32% | −1,092−2.7% | Reduced |
| Teacher Retirement System of Texas | 39,392 | $7.64M | 0.04% | +5,555+16.4% | Added |
| Comerica Bank | 39,431 | $7.64M | 0.03% | −1,467−3.6% | Reduced |
| State of Michigan Retirement System | 39,703 | $7.70M | 0.04% | −200−0.5% | Reduced |
| Gateway Investment Advisers LLC | 41,312 | $8.01M | 0.09% | −77−0.2% | Reduced |
| LSV Asset Management | 41,500 | $8.04M | 0.02% | +41,500 | New |
| Arizona State Retirement System | 41,721 | $8.09M | 0.05% | −419−1.0% | Reduced |
| Gotham Asset Management, LLC | 42,444 | $8.23M | 0.09% | +18,887+80.2% | Added |
| Nissay Asset Management Corp | 42,500 | $8.24M | 0.05% | +2,592+6.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 42,705 | $8.31M | 0.04% | +7,510+21.3% | Added |
| Jefferies Financial Group Inc. | 43,027 | $8.34M | 0.14% | +39,719+1,200.7% | Added |
| Assenagon Asset Management S.A. | 43,349 | $8.40M | 0.02% | +612+1.4% | Added |
| Verition Fund Management LLC | 44,361 | $8.60M | 0.06% | +27,357+160.9% | Added |
| LPL Financial LLC | 44,391 | $8.60M | 0.00% | −7,107−13.8% | Reduced |
| CIBC Asset Management Inc | 45,184 | $8.76M | 0.03% | +2,509+5.9% | Added |
| Macquarie Group Ltd | 45,663 | $8.85M | 0.01% | −10,166−18.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 45,799 | $8.88M | 0.02% | −91,900−66.7% | Reduced |
| Resona Asset Management Co.,Ltd. | 46,102 | $8.94M | 0.05% | −211−0.5% | Reduced |
| Pinebridge Investments, L.P. | 47,084 | $9.13M | 0.07% | +35,824+318.2% | Added |
| Corebridge Financial, Inc. | 47,202 | $9.15M | 0.05% | −1,206−2.5% | Reduced |
| Grimes & Company, Inc. | 47,467 | $9.20M | 0.25% | −273−0.6% | Reduced |
| Stifel Financial Corp | 47,554 | $9.22M | 0.01% | +868+1.9% | Added |
| Ossiam | 47,710 | $9.25M | 0.18% | +6,759+16.5% | Added |
| Centre Asset Management, LLC | 47,832 | $9.27M | 2.00% | +47,832 | New |
| STRS Ohio | 49,000 | $9.50M | 0.04% | 00.0% | Unchanged |
| Factory Mutual Insurance Co | 49,200 | $9.54M | 0.10% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 49,303 | $9.56M | 0.03% | −6,790−12.1% | Reduced |
| AQR Capital Management LLC | 49,881 | $9.62M | 0.01% | +26,324+111.7% | Added |
| Nisa Investment Advisors, LLC | 49,793 | $9.65M | 0.06% | −6,735−11.9% | Reduced |
| Illinois Municipal Retirement Fund | 50,015 | $9.69M | 0.14% | +8,038+19.1% | Added |
| Public Employees Retirement System of Ohio | 52,917 | $10.3M | 0.04% | −6,452−10.9% | Reduced |
| State of New Jersey Common Pension Fund D | 52,984 | $10.3M | 0.04% | 00.0% | Unchanged |
| Simplex Trading, LLC | 53,118 | $10.3M | 0.35% | +32,405+156.4% | Added |
| Tudor Investment Corp Et Al | 53,711 | $10.4M | 0.11% | +45,043+519.6% | Added |
| Aquatic Capital Management LLC | 54,100 | $10.5M | 0.27% | +54,100 | New |
| Storebrand Asset Management AS | 55,349 | $10.7M | 0.03% | −2,150−3.7% | Reduced |
| Asset Management One Co.,Ltd. | 55,355 | $10.7M | 0.04% | +324+0.6% | Added |
| Martingale Asset Management L P | 55,772 | $10.8M | 0.25% | +1,431+2.6% | Added |
| Jump Financial, LLC | 56,669 | $11.0M | 0.23% | +48,964+635.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 57,119 | $11.1M | 0.05% | −25,906−31.2% | Reduced |
| AXA S.A. | 57,959 | $11.2M | 0.03% | −14,043−19.5% | Reduced |
| UniSuper Management Pty Ltd | 58,830 | $11.4M | 0.09% | +1,738+3.0% | Added |
| Edmond de Rothschild Holding S.A. | 60,070 | $11.6M | 0.19% | −150−0.2% | Reduced |
| Guggenheim Capital LLC | 60,244 | $11.7M | 0.08% | −2,099−3.4% | Reduced |
| Toronto Dominion Bank | 60,370 | $11.7M | 0.02% | −22,878−27.5% | Reduced |
| Twinbeech Capital LP | 61,264 | $11.9M | 0.23% | +61,264 | New |
| Korea Investment CORP | 62,208 | $12.1M | 0.03% | −33,209−34.8% | Reduced |
| ExodusPoint Capital Management, LP | 62,915 | $12.2M | 0.13% | +38,059+153.1% | Added |
| AMF Pensionsforsakring AB | 63,933 | $12.4M | 0.09% | 00.0% | Unchanged |
| Schroder Investment Management Group | 64,059 | $12.5M | 0.01% | +28,079+78.0% | Added |
| Royal London Asset Management Ltd | 65,629 | $12.7M | 0.03% | −3,943−5.7% | Reduced |
| Danske Bank A/S | 65,684 | $12.7M | 0.04% | +253+0.4% | Added |
| Marshall Wace, LLP | 66,300 | $12.9M | 0.02% | +66,300 | New |
| Fisher Asset Management, LLC | 66,768 | $12.9M | 0.01% | −1,719−2.5% | Reduced |
| Rhenman & Partners Asset Management AB | 67,100 | $13.0M | 1.06% | −17,700−20.9% | Reduced |
| Handelsbanken Fonder AB | 68,502 | $13.3M | 0.05% | +1,296+1.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 69,649 | $13.5M | 0.04% | −3,707−5.1% | Reduced |
| Bridgewater Associates, LP | 72,104 | $14.0M | 0.08% | +55,688+339.2% | Added |
| J. Safra Sarasin Holding AG | 72,618 | $14.1M | 0.24% | +6,860+10.4% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 76,032 | $14.7M | 0.02% | +53,561+238.4% | Added |