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 |
|---|---|---|---|---|---|
| British Columbia Investment Management Corp | 27,865 | $7.89M | 0.05% | −347−1.2% | Reduced |
| CIBC Asset Management Inc | 27,876 | $7.89M | 0.03% | +275+1.0% | Added |
| ACG Wealth | 27,973 | $7.92M | 1.04% | −265−0.9% | Reduced |
| PFS Investments Inc. | 29,344 | $8.00M | 0.17% | −160−0.5% | Reduced |
| Hillman Capital Management, Inc. | 28,289 | $8.01M | 2.81% | +1,050+3.9% | Added |
| Rafferty Asset Management, LLC | 29,167 | $8.25M | 0.06% | +9,718+50.0% | Added |
| Janney Montgomery Scott LLC | 29,794 | $8.43M | 0.04% | +101+0.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 30,446 | $8.62M | 0.01% | −6,912−18.5% | Reduced |
| Point72 Asset Management, L.P. | 30,852 | $8.73M | 0.04% | −214,654−87.4% | Reduced |
| Citizens Financial Group Inc | 31,151 | $8.82M | 0.33% | +1,834+6.3% | Added |
| Forsta Ap-Fonden | 31,400 | $8.89M | 0.10% | −6,600−17.4% | Reduced |
| Easterly Investment Partners LLC | 31,471 | $8.91M | 0.60% | +31,471 | New |
| Gulf International Bank (UK) Ltd | 31,808 | $9.00M | 0.12% | −366−1.1% | Reduced |
| Ikarian Capital, LLC | 32,243 | $9.12M | 2.09% | −93,719−74.4% | Reduced |
| Sofinnova Investments, Inc. | 33,220 | $9.40M | 0.60% | −77,380−70.0% | Reduced |
| Advisor Group Holdings, Inc. | 33,473 | $9.47M | 0.02% | −2,967−8.1% | Reduced |
| North Growth Management Ltd. | 34,000 | $9.50M | 1.67% | 00.0% | Unchanged |
| USS Investment Management Ltd | 33,643 | $9.52M | 0.08% | +6,168+22.4% | Added |
| MetLife Investment Management | 33,661 | $9.53M | 0.09% | −1,245−3.6% | Reduced |
| Leonteq Securities AG | 35,416 | $10.0M | 0.54% | +34,169+2,740.1% | Added |
| Magnetar Financial LLC | 35,442 | $10.0M | 0.10% | +24,737+231.1% | Added |
| Illinois Municipal Retirement Fund | 36,066 | $10.2M | 0.38% | +5,210+16.9% | Added |
| EULAV Asset Management | 37,015 | $10.5M | 0.28% | +150.0% | Added |
| Factory Mutual Insurance Co | 38,365 | $10.9M | 0.14% | 00.0% | Unchanged |
| NN Investment Partners Holdings N.V. | 38,478 | $10.9M | 0.06% | +8,264+27.4% | Added |
| Profund Advisors LLC | 38,511 | $10.9M | 0.37% | −485−1.2% | Reduced |
| Mackenzie Financial Corp | 39,814 | $11.3M | 0.02% | −6,627−14.3% | Reduced |
| Atwood & Palmer Inc | 40,171 | $11.4M | 1.01% | +353+0.9% | Added |
| Amalgamated Bank | 40,303 | $11.4M | 0.10% | −2,182−5.1% | Reduced |
| CSM Advisors, LLC | 40,811 | $11.5M | 0.86% | −100.0% | Reduced |
| Quinn Opportunity Partners LLC | 41,511 | $11.7M | 0.75% | +2,000+5.1% | Added |
| Premier Asset Management LLC | 41,814 | $11.8M | 1.64% | +2,502+6.4% | Added |
| Grimes & Company, Inc. | 41,841 | $11.8M | 0.52% | −130.0% | Reduced |
| Arizona State Retirement System | 41,984 | $11.9M | 0.10% | −697−1.6% | Reduced |
| Private Advisor Group, LLC | 42,461 | $12.0M | 0.08% | +34,676+445.4% | Added |
| DnB Asset Management AS | 43,266 | $12.2M | 0.08% | +2,088+5.1% | Added |
| Calamos Advisors LLC | 43,275 | $12.2M | 0.06% | +3,818+9.7% | Added |
| GMT Capital Corp | 43,850 | $12.4M | 1.09% | −3,100−6.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 44,221 | $12.5M | 0.12% | −700−1.6% | Reduced |
| US Bancorp | 45,830 | $13.0M | 0.02% | −2,234−4.6% | Reduced |
| Mangrove Partners | 45,872 | $13.0M | 1.43% | +45,872 | New |
| The PNC Financial Services Group, Inc. | 46,365 | $13.1M | 0.01% | −2,861−5.8% | Reduced |
| KBC Group NV | 46,497 | $13.2M | 0.05% | −1,133−2.4% | Reduced |
| Balyasny Asset Management LLC | 46,535 | $13.2M | 0.06% | −91,744−66.3% | Reduced |
| Stifel Financial Corp | 47,245 | $13.4M | 0.02% | −2,690−5.4% | Reduced |
| HAP Trading, LLC | 47,485 | $13.4M | 0.99% | +9,484+25.0% | Added |
| Great Point Partners LLC | 47,500 | $13.4M | 3.18% | +15,000+46.2% | Added |
| Vontobel Holding Ltd. | 47,624 | $13.5M | 0.12% | +4,657+10.8% | Added |
| AMP Capital Investors Ltd | 47,753 | $13.5M | 0.07% | −6,387−11.8% | Reduced |
| Perceptive Advisors LLC | 48,600 | $13.8M | 0.20% | +48,600 | New |
| Ossiam | 48,815 | $13.8M | 0.39% | +7,989+19.6% | Added |
| Nomura Asset Management Co Ltd | 49,239 | $13.9M | 0.08% | −4,522−8.4% | Reduced |
| LPL Financial LLC | 49,257 | $13.9M | 0.01% | +11,320+29.8% | Added |
| Aviva PLC | 49,629 | $14.0M | 0.06% | +1,069+2.2% | Added |
| Two Sigma Advisers, LP | 50,700 | $14.3M | 0.04% | +50,700 | New |
| Woodline Partners LP | 52,418 | $14.8M | 0.25% | −21,039−28.6% | Reduced |
| Oppenheimer Asset Management Inc. | 52,538 | $14.9M | 0.21% | +2,575+5.2% | Added |
| Montag & Caldwell, LLC | 52,712 | $14.9M | 1.38% | +6,576+14.3% | Added |
| STRS Ohio | 54,837 | $15.5M | 0.06% | −9,915−15.3% | Reduced |
| Brown Advisory Inc | 55,507 | $15.7M | 0.02% | +43,163+349.7% | Added |
| CIBC World Markets Corp | 57,418 | $16.2M | 0.11% | +27,002+88.8% | Added |
| Jupiter Asset Management Ltd | 57,575 | $16.3M | 0.18% | +43,252+302.0% | Added |
| Qube Research & Technologies Ltd | 59,206 | $16.8M | 0.21% | −17,445−22.8% | Reduced |
| American International Group, Inc. | 59,265 | $16.8M | 0.09% | −5,775−8.9% | Reduced |
| Edmond de Rothschild Holding S.A. | 61,303 | $17.3M | 0.40% | +16,043+35.4% | Added |
| Gateway Investment Advisers LLC | 61,812 | $17.5M | 0.18% | +20.0% | Added |
| Oregon Public Employees Retirement Fund | 63,437 | $18.0M | 0.21% | +338+0.5% | Added |
| Andra AP-fonden | 63,500 | $18.0M | 0.37% | +4,400+7.4% | Added |
| Voloridge Investment Management, LLC | 64,753 | $18.3M | 0.12% | −17,556−21.3% | Reduced |
| PointState Capital LP | 65,500 | $18.5M | 0.44% | +24,900+61.3% | Added |
| State of Alaska, Department of Revenue | 65,920 | $18.7M | 0.19% | −3,614−5.2% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 66,991 | $19.0M | 0.09% | +7,095+11.8% | Added |
| Standard Life Aberdeen plc | 66,981 | $19.1M | 0.04% | +2,317+3.6% | Added |
| Tocqueville Asset Management L.P. | 67,920 | $19.2M | 0.28% | −301−0.4% | Reduced |
| Asset Management One Co.,Ltd. | 68,019 | $19.2M | 0.07% | −2,795−3.9% | Reduced |
| Panagora Asset Management Inc | 68,240 | $19.3M | 0.10% | −2,283−3.2% | Reduced |
| Acadian Asset Management LLC | 71,175 | $20.1M | 0.08% | −108,046−60.3% | Reduced |
| Macquarie Group Ltd | 72,385 | $20.5M | 0.02% | +1,610+2.3% | Added |
| Baird Financial Group, Inc. | 74,017 | $20.9M | 0.05% | +15,862+27.3% | Added |
| FIL Ltd | 74,400 | $21.1M | 0.02% | −2,403−3.1% | Reduced |
| Camber Capital Management LP | 75,000 | $21.2M | 0.79% | +75,000 | New |
| Parallax Volatility Advisers, L.P. | 76,058 | $21.5M | 0.23% | +62,823+474.7% | Added |
| Retirement Systems of Alabama | 76,552 | $21.7M | 0.08% | −7,413−8.8% | Reduced |
| Bridgeway Capital Management, LLC | 76,875 | $21.8M | 0.42% | −8,700−10.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 77,863 | $22.0M | 0.12% | +8,272+11.9% | Added |
| Public Sector Pension Investment Board | 77,979 | $22.1M | 0.13% | +54,373+230.3% | Added |
| Nisa Investment Advisors, LLC | 78,241 | $22.1M | 0.13% | −8,793−10.1% | Reduced |
| Guggenheim Capital LLC | 78,671 | $22.3M | 0.13% | −3,167−3.9% | Reduced |
| Beacon Investment Advisory Services, Inc. | 78,968 | $22.3M | 0.93% | −3,777−4.6% | Reduced |
| Voya Investment Management LLC | 79,503 | $22.5M | 0.05% | −12,364−13.5% | Reduced |
| Truist Financial Corp | 82,231 | $23.3M | 0.04% | −255−0.3% | Reduced |
| Sector Gamma AS | 83,319 | $23.6M | 4.70% | +10,276+14.1% | Added |
| Avoro Capital Advisors LLC | 84,000 | $23.8M | 0.37% | +84,000 | New |
| Lombard Odier Asset Management (Switzerland) SA | 84,346 | $23.8M | 1.48% | +7,217+9.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 85,728 | $24.3M | 0.06% | +16,459+23.8% | Added |
| M&G Investment Management Ltd | 86,892 | $24.6M | 0.12% | +27,777+47.0% | Added |
| Handelsbanken Fonder AB | 87,583 | $24.8M | 0.13% | −8,757−9.1% | Reduced |
| Great Lakes Advisors, LLC | 87,631 | $24.8M | 0.39% | +3,530+4.2% | Added |
| Natixis | 88,585 | $25.1M | 0.09% | −18,719−17.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 89,301 | $25.3M | 0.52% | −4,291−4.6% | Reduced |