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 2024
Institutional positions in Biogen Inc. as of Mar 31, 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
- 955
- −41 vs. Q4 2023
- Shares held
- 129.7M
- +1.13M (+0.9%) vs. Q4 2023
- Total value
- $28.0B
- −$5.30B (−15.9%) vs. Q4 2023
- New holders
- 105
- 304 more added
- Sold out
- 146
- 354 more reduced
9 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Profund Advisors LLC | 19,071 | $4.11M | 0.16% | −541−2.8% | Reduced |
| Silverarc Capital Management, LLC | 19,365 | $4.18M | 1.17% | −635−3.2% | Reduced |
| Neuberger Berman Group LLC | 19,696 | $4.25M | 0.00% | −2,697−12.0% | Reduced |
| Cubist Systematic Strategies, LLC | 19,793 | $4.27M | 0.05% | +9,502+92.3% | Added |
| Louisiana State Employees Retirement System | 19,800 | $4.27M | 0.08% | −500−2.5% | Reduced |
| American Assets Investment Management, LLC | 20,000 | $4.31M | 0.41% | 00.0% | Unchanged |
| Exchange Capital Management, Inc. | 20,348 | $4.39M | 0.71% | +50+0.2% | Added |
| Public Employees Retirement Association of Colorado | 20,594 | $4.44M | 0.02% | −856−4.0% | Reduced |
| Andra AP-fonden | 20,800 | $4.49M | 0.08% | −10,200−32.9% | Reduced |
| Diversified Trust Co | 20,860 | $4.50M | 0.14% | +9,588+85.1% | Added |
| Groupama Asset Managment | 13,491 | $4.51M | 0.08% | −2,292−14.5% | Reduced |
| Xponance, Inc. | 21,036 | $4.54M | 0.05% | +989+4.9% | Added |
| Mariner, LLC | 21,076 | $4.54M | 0.01% | −453−2.1% | Reduced |
| Shelton Capital Management | 21,189 | $4.57M | 0.13% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 21,203 | $4.57M | 0.01% | −28,066−57.0% | Reduced |
| Quantitative Investment Management, LLC | 21,371 | $4.61M | 0.27% | +21,371 | New |
| Commonwealth Equity Services, LLC | 22,187 | $4.78M | 0.01% | −425−1.9% | Reduced |
| Kirr Marbach & Co LLC | 22,247 | $4.80M | 1.16% | +22,247 | New |
| New York Life Investment Management LLC | 22,628 | $4.88M | 0.05% | −690−3.0% | Reduced |
| Daiwa Securities Group Inc. | 22,651 | $4.88M | 0.03% | +2,172+10.6% | Added |
| Lazard Asset Management LLC | 22,719 | $4.90M | 0.01% | −2,417−9.6% | Reduced |
| Leonteq Securities AG | 22,724 | $4.90M | 0.66% | +14,760+185.3% | Added |
| Ostrum Asset Management | 22,793 | $4.91M | 0.39% | +2,483+12.2% | Added |
| Marshall Wace, LLP | 23,228 | $5.01M | 0.01% | +23,228 | New |
| Entropy Technologies, LP | 23,358 | $5.04M | 0.54% | +23,358 | New |
| E. Ohman J:or Asset Management AB | 24,099 | $5.20M | 0.13% | +18,500+330.4% | Added |
| CIBC World Markets Corp | 24,100 | $5.20M | 0.03% | −15,352−38.9% | Reduced |
| Yousif Capital Management, LLC | 24,179 | $5.21M | 0.06% | −3,022−11.1% | Reduced |
| Point72 (DIFC) Ltd | 24,407 | $5.26M | 0.41% | +24,407 | New |
| Mutual of America Capital Management LLC | 24,551 | $5.29M | 0.06% | −2,499−9.2% | Reduced |
| The PNC Financial Services Group, Inc. | 24,585 | $5.30M | 0.00% | +218+0.9% | Added |
| Utah Retirement Systems | 24,915 | $5.37M | 0.06% | 00.0% | Unchanged |
| Natixis Advisors, L.P. | 25,097 | $5.41M | 0.01% | +931+3.9% | Added |
| Ossiam | 25,314 | $5.46M | 0.10% | −3,306−11.6% | Reduced |
| Czech National Bank | 25,494 | $5.50M | 0.07% | +117+0.5% | Added |
| Bokf, NA | 25,798 | $5.54M | 0.10% | −8,556−24.9% | Reduced |
| Beacon Investment Advisory Services, Inc. | 26,254 | $5.66M | 0.24% | −1,372−5.0% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 26,421 | $5.70M | 0.01% | −10,054−27.6% | Reduced |
| Ensign Peak Advisors, Inc | 27,076 | $5.84M | 0.01% | −57,387−67.9% | Reduced |
| Banque Pictet & Cie SA | 27,786 | $5.99M | 0.06% | +1,947+7.5% | Added |
| Forsta Ap-Fonden | 27,800 | $5.99M | 0.05% | +3,200+13.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 27,821 | $6.00M | 0.07% | +1,700+6.5% | Added |
| CSM Advisors, LLC | 28,409 | $6.13M | 0.40% | +270+1.0% | Added |
| FORA Capital, LLC | 28,652 | $6.18M | 0.51% | +28,652 | New |
| Degroof Petercam Asset Management | 29,300 | $6.32M | 0.08% | −11,000−27.3% | Reduced |
| Stoneridge Investment Partners LLC | 29,874 | $6.44M | 2.45% | +5,552+22.8% | Added |
| Texas Permanent School Fund | 29,963 | $6.46M | 0.05% | +35+0.1% | Added |
| Amalgamated Bank | 30,017 | $6.47M | 0.06% | −4,839−13.9% | Reduced |
| CI Private Wealth, LLC | 30,348 | $6.54M | 0.01% | −864−2.8% | Reduced |
| Mediolanum International Funds Ltd | 30,278 | $6.55M | 0.11% | +30,278 | New |
| Cardinal Capital Management | 30,467 | $6.57M | 1.07% | +2,845+10.3% | Added |
| China Universal Asset Management Co., Ltd. | 30,584 | $6.59M | 0.84% | +11,557+60.7% | Added |
| NorthCrest Asset Manangement, LLC | 31,434 | $6.78M | 0.23% | +365+1.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 31,809 | $6.86M | 0.05% | +78+0.2% | Added |
| Retirement Systems of Alabama | 31,981 | $6.90M | 0.03% | +48+0.2% | Added |
| Aviva PLC | 32,123 | $6.93M | 0.02% | −34,836−52.0% | Reduced |
| Nissay Asset Management Corp | 32,345 | $6.97M | 0.05% | +12,901+66.3% | Added |
| Teacher Retirement System of Texas | 32,946 | $7.10M | 0.05% | −924−2.7% | Reduced |
| State of Alaska, Department of Revenue | 33,640 | $7.25M | 0.08% | −4,910−12.7% | Reduced |
| MetLife Investment Management | 33,910 | $7.31M | 0.05% | −1,248−3.5% | Reduced |
| Oppenheimer Asset Management Inc. | 33,980 | $7.33M | 0.11% | −4,619−12.0% | Reduced |
| IFM Investors Pty Ltd | 34,188 | $7.37M | 0.08% | 00.0% | Unchanged |
| Capital World Investors | 34,200 | $7.37M | 0.00% | 00.0% | Unchanged |
| USS Investment Management Ltd | 34,356 | $7.41M | 0.06% | +4,137+13.7% | Added |
| Janus Henderson Group PLC | 35,159 | $7.58M | 0.00% | +13,985+66.0% | Added |
| Hillman Capital Management, Inc. | 35,792 | $7.72M | 2.48% | +1,316+3.8% | Added |
| Channing Capital Management, LLC | 38,403 | $8.28M | 0.22% | +4,300+12.6% | Added |
| Calamos Advisors LLC | 38,822 | $8.37M | 0.04% | −976−2.5% | Reduced |
| Nicola Wealth Management Ltd. | 39,500 | $8.52M | 0.83% | +14,500+58.0% | Added |
| State of Michigan Retirement System | 39,703 | $8.56M | 0.05% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 39,840 | $8.59M | 0.23% | +39,840 | New |
| State of Tennessee, Treasury Department | 40,368 | $8.70M | 0.03% | −23,028−36.3% | Reduced |
| Varma Mutual Pension Insurance Co | 40,900 | $8.82M | 0.08% | +26,800+190.1% | Added |
| ICICI Prudential Asset Management Co Ltd | 41,145 | $8.87M | 1.00% | +5,156+14.3% | Added |
| Gateway Investment Advisers LLC | 41,434 | $8.93M | 0.10% | −5,505−11.7% | Reduced |
| Arizona State Retirement System | 41,581 | $8.97M | 0.06% | +836+2.1% | Added |
| Easterly Investment Partners LLC | 41,942 | $9.04M | 0.69% | +36,858+725.0% | Added |
| Altrinsic Global Advisors LLC | 42,039 | $9.06M | 0.41% | −2,512−5.6% | Reduced |
| Comerica Bank | 42,314 | $9.12M | 0.04% | +1,210+2.9% | Added |
| Truist Financial Corp | 42,422 | $9.15M | 0.01% | +507+1.2% | Added |
| Assenagon Asset Management S.A. | 42,839 | $9.24M | 0.02% | −377−0.9% | Reduced |
| CIBC Asset Management Inc | 42,880 | $9.25M | 0.03% | +2,394+5.9% | Added |
| AMF Pensionsforsakring AB | 43,849 | $9.46M | 0.07% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 44,952 | $9.69M | 0.05% | −98,334−68.6% | Reduced |
| Tudor Investment Corp Et Al | 45,042 | $9.71M | 0.12% | +45,042 | New |
| Boston Common Asset Management, LLC | 45,266 | $9.76M | 0.23% | −13,445−22.9% | Reduced |
| KBC Group NV | 45,507 | $9.81M | 0.03% | −5,329−10.5% | Reduced |
| Tocqueville Asset Management L.P. | 46,200 | $9.96M | 0.16% | +41,690+924.4% | Added |
| Grimes & Company, Inc. | 46,888 | $10.1M | 0.31% | +1,689+3.7% | Added |
| Mackenzie Financial Corp | 47,222 | $10.2M | 0.01% | −13,404−22.1% | Reduced |
| LPL Financial LLC | 48,165 | $10.4M | 0.01% | +3,095+6.9% | Added |
| Illinois Municipal Retirement Fund | 49,117 | $10.6M | 0.16% | 00.0% | Unchanged |
| Factory Mutual Insurance Co | 49,200 | $10.6M | 0.12% | 00.0% | Unchanged |
| American International Group, Inc. | 49,426 | $10.7M | 0.04% | −2,543−4.9% | Reduced |
| Resona Asset Management Co.,Ltd. | 49,585 | $10.7M | 0.06% | +49,585 | New |
| J. L. Bainbridge & Co., Inc. | 50,018 | $10.8M | 1.15% | +50,018 | New |
| Cutter Capital Management, LP | 52,000 | $11.2M | 4.32% | +52,000 | New |
| UniSuper Management Pty Ltd | 52,889 | $11.4M | 0.11% | +4,671+9.7% | Added |
| DnB Asset Management AS | 53,253 | $11.5M | 0.06% | −2,211−4.0% | Reduced |
| Nisa Investment Advisors, LLC | 54,708 | $11.8M | 0.08% | −1,013−1.8% | Reduced |