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, Q3 2021
Institutional positions in Biogen Inc. as of Sep 30, 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
- 1,044
- −50 vs. Q2 2021
- Shares held
- 123.8M
- −1.32M (−1.1%) vs. Q2 2021
- Total value
- $35.1B
- −$8.22B (−19.0%) vs. Q2 2021
- New holders
- 74
- 351 more added
- Sold out
- 124
- 398 more reduced
13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Parnassus Investments | 452,053 | $127.9M | 0.27% | 00.0% | Unchanged |
| Nordea Investment Management AB | 456,986 | $131.0M | 0.17% | +11,987+2.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 465,619 | $131.8M | 0.08% | −29,106−5.9% | Reduced |
| HealthCor Management, L.P. | 466,830 | $132.1M | 5.75% | +127,530+37.6% | Added |
| California Public Employees Retirement System | 468,268 | $132.5M | 0.10% | −5,238−1.1% | Reduced |
| Franklin Resources Inc | 486,295 | $137.6M | 0.05% | +14,995+3.2% | Added |
| Bellevue Group AG | 527,000 | $149.1M | 1.51% | −1,100−0.2% | Reduced |
| Beutel, Goodman & Co Ltd. | 550,016 | $155.6M | 0.95% | +415,883+310.1% | Added |
| Nuveen Asset Management, LLC | 570,604 | $161.5M | 0.05% | −279,302−32.9% | Reduced |
| Wells Fargo & Company | 573,576 | $162.3M | 0.04% | +23,940+4.4% | Added |
| Swiss National Bank | 595,272 | $168.5M | 0.11% | −25,800−4.2% | Reduced |
| Parametric Portfolio Associates LLC | 598,531 | $169.4M | 0.10% | −86,433−12.6% | Reduced |
| Van Eck Associates Corp | 640,075 | $181.1M | 0.46% | +43,528+7.3% | Added |
| Sarissa Capital Management LP | 643,000 | $182.0M | 14.28% | 00.0% | Unchanged |
| Pictet Asset Management SA | 676,762 | $191.5M | 0.21% | +676,762 | New |
| Charles Schwab Investment Management Inc | 731,198 | $206.9M | 0.07% | +7,369+1.0% | Added |
| Bank of America Corp | 742,849 | $210.2M | 0.02% | +50,598+7.3% | Added |
| Assenagon Asset Management S.A. | 751,389 | $212.6M | 0.88% | +399,310+113.4% | Added |
| Morgan Stanley | 753,715 | $213.3M | 0.03% | +51,540+7.3% | Added |
| Goldman Sachs Group Inc | 799,928 | $226.4M | 0.06% | −41,150−4.9% | Reduced |
| Amundi | 855,003 | $242.0M | 0.17% | +235,305+38.0% | Added |
| Renaissance Technologies LLC | 981,707 | $277.8M | 0.36% | −348,296−26.2% | Reduced |
| Invesco Ltd. | 990,579 | $280.3M | 0.07% | −52,879−5.1% | Reduced |
| Dimensional Fund Advisors LP | 1,130,190 | $319.9M | 0.10% | −57,498−4.8% | Reduced |
| American Century Companies Inc | 1,138,819 | $322.3M | 0.22% | −103,224−8.3% | Reduced |
| FMR LLC | 1,177,553 | $333.2M | 0.03% | −174,665−12.9% | Reduced |
| UBS Asset Management Americas Inc | 1,244,986 | $352.3M | 0.15% | +106,513+9.4% | Added |
| Deutsche Bank AG | 1,381,482 | $390.9M | 0.19% | −33,712−2.4% | Reduced |
| Legal & General Group Plc | 1,406,196 | $397.9M | 0.13% | +20,504+1.5% | Added |
| Bank of New York Mellon Corp | 1,609,799 | $455.6M | 0.09% | −156,033−8.8% | Reduced |
| Norges Bank | 1,622,011 | $459.0M | 0.10% | −199,140−10.9% | Reduced |
| Northern Trust Corp | 1,758,890 | $497.7M | 0.09% | −308,649−14.9% | Reduced |
| Price T Rowe Associates Inc | 1,784,136 | $504.9M | 0.05% | +171,573+10.6% | Added |
| Geode Capital Management, LLC | 2,775,266 | $783.5M | 0.11% | −118,484−4.1% | Reduced |
| Clearbridge Investments, LLC | 3,363,927 | $952.0M | 0.68% | −201,185−5.6% | Reduced |
| Wellington Management Group LLP | 5,577,720 | $1.58B | 0.27% | −24,141−0.4% | Reduced |
| JPMorgan Chase & Co | 5,605,297 | $1.59B | 0.21% | +250,531+4.7% | Added |
| State Street Corp | 6,903,536 | $1.95B | 0.10% | +223,496+3.3% | Added |
| Vanguard Group Inc | 11,691,876 | $3.31B | 0.08% | −61,457−0.5% | Reduced |
| BlackRock Inc. | 13,896,253 | $3.93B | 0.11% | +689,662+5.2% | Added |
| Primecap Management Co | 16,258,915 | $4.60B | 3.25% | −199,591−1.2% | Reduced |
| Westside Investment Management, Inc. | 1,710 | – | – | +210+14.0% | Added |
| Viridian Ria, LLC | 100 | – | – | +100 | New |
| Sofos Investments, Inc. | 5 | – | – | −32−86.5% | Reduced |
| Capital World Investors | 0 | $0 | 0.00% | −330,992−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −187,722−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −183,900−100.0% | Sold out |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −113,500−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −85,613−100.0% | Sold out |
| Miller Value Partners, LLC | 0 | $0 | 0.00% | −79,493−100.0% | Sold out |
| Scout Investments, Inc. | 0 | $0 | 0.00% | −75,007−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −65,367−100.0% | Sold out |
| Jericho Capital Asset Management L.P. | 0 | $0 | 0.00% | −49,000−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −39,277−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| Broadleaf Partners, LLC | 0 | $0 | 0.00% | −24,812−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −23,995−100.0% | Sold out |
| Wilsey Asset Management Inc | 0 | $0 | 0.00% | −22,708−100.0% | Sold out |
| Sivik Global Healthcare LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Muhlenkamp & Co Inc | 0 | $0 | 0.00% | −18,218−100.0% | Sold out |
| MainStreet Investment Advisors LLC | 0 | $0 | 0.00% | −14,172−100.0% | Sold out |
| 6 Meridian | 0 | $0 | 0.00% | −12,862−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −12,777−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −8,458−100.0% | Sold out |
| Pensionfund Sabic | 0 | $0 | 0.00% | −8,400−100.0% | Sold out |
| Hendershot Investments Inc. | 0 | $0 | 0.00% | −7,721−100.0% | Sold out |
| Cohen Investment Advisors LLC | 0 | $0 | 0.00% | −5,674−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −5,612−100.0% | Sold out |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Prairiewood Capital, LLC | 0 | $0 | 0.00% | −4,920−100.0% | Sold out |
| Hoey Investments, Inc | 0 | $0 | 0.00% | −4,433−100.0% | Sold out |
| Argent Capital Management LLC | 0 | $0 | 0.00% | −4,262−100.0% | Sold out |
| Sabby Management, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −3,907−100.0% | Sold out |
| Simmons Bank | 0 | $0 | 0.00% | −3,680−100.0% | Sold out |
| Mainstay Capital Management LLC | 0 | $0 | 0.00% | −3,615−100.0% | Sold out |
| BP PLC | 0 | $0 | 0.00% | −3,484−100.0% | Sold out |
| Xcel Wealth Management, LLC | 0 | $0 | 0.00% | −3,460−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −2,852−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −2,794−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Quantitative Systematic Strategies LLC | 0 | $0 | 0.00% | −2,597−100.0% | Sold out |
| TrinityPoint Wealth, LLC | 0 | $0 | 0.00% | −2,368−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −2,365−100.0% | Sold out |
| Telemus Capital, LLC | 0 | $0 | 0.00% | −2,267−100.0% | Sold out |
| AMG National Trust Bank | 0 | $0 | 0.00% | −2,251−100.0% | Sold out |
| Cape Ann Savings Bank | 0 | $0 | 0.00% | −2,249−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −1,832−100.0% | Sold out |
| O'Neil Global Advisors, Inc. | 0 | $0 | 0.00% | −1,730−100.0% | Sold out |
| Sippican Capital Advisors | 0 | $0 | 0.00% | −1,426−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −1,370−100.0% | Sold out |
| Qci Asset Management Inc | 0 | $0 | 0.00% | −1,359−100.0% | Sold out |
| Avalon Investment & Advisory | 0 | $0 | 0.00% | −1,239−100.0% | Sold out |
| Gries Financial LLC | 0 | $0 | 0.00% | −1,215−100.0% | Sold out |
| Founders Financial Alliance, LLC | 0 | $0 | 0.00% | −1,175−100.0% | Sold out |
| JT Stratford LLC | 0 | $0 | 0.00% | −1,117−100.0% | Sold out |
| Lake Street Advisors Group, LLC | 0 | $0 | 0.00% | −1,126−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −1,074−100.0% | Sold out |