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, Q2 2021
Institutional positions in Biogen Inc. as of Jun 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
- 1,107
- +26 vs. Q1 2021
- Shares held
- 126.1M
- −1.15M (−0.9%) vs. Q1 2021
- Total value
- $43.6B
- +$8.06B (+22.7%) vs. Q1 2021
- New holders
- 136
- 325 more added
- Sold out
- 110
- 469 more reduced
15 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fifth Third Bancorp | 17,347 | $6.01M | 0.03% | −4,217−19.6% | Reduced |
| First Horizon Advisors, Inc. | 17,486 | $6.05M | 0.33% | −187−1.1% | Reduced |
| Cardinal Capital Management | 17,555 | $6.08M | 1.28% | +193+1.1% | Added |
| Bridgewater Associates, LP | 17,856 | $6.18M | 0.04% | +9,459+112.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 18,000 | $6.23M | 0.07% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 18,123 | $6.28M | 0.09% | −2,902−13.8% | Reduced |
| Muhlenkamp & Co Inc | 18,218 | $6.31M | 2.31% | +34+0.2% | Added |
| Stephens Inc | 18,416 | $6.38M | 0.10% | +6,501+54.6% | Added |
| Shelton Capital Management | 18,593 | $6.44M | 0.24% | −2,900−13.5% | Reduced |
| Symons Capital Management Inc | 18,710 | $6.48M | 3.69% | −830−4.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,863 | $6.53M | 0.07% | −189−1.0% | Reduced |
| HighTower Advisors, LLC | 18,960 | $6.57M | 0.02% | −19,400−50.6% | Reduced |
| Sectoral Asset Management Inc | 19,432 | $6.73M | 0.54% | +6,950+55.7% | Added |
| Rafferty Asset Management, LLC | 19,449 | $6.74M | 0.04% | −9,647−33.2% | Reduced |
| Boothbay Fund Management, LLC | 19,521 | $6.76M | 0.28% | +17,741+996.7% | Added |
| Exchange Capital Management, Inc. | 19,528 | $6.76M | 1.30% | +464+2.4% | Added |
| Mutual of America Capital Management LLC | 19,624 | $6.79M | 0.07% | −52−0.3% | Reduced |
| Taconic Capital Advisors LP | 20,000 | $6.92M | 0.22% | +5,000+33.3% | Added |
| Sivik Global Healthcare LLC | 20,000 | $6.92M | 2.32% | +7,500+60.0% | Added |
| Natixis Advisors, L.P. | 20,005 | $6.93M | 0.03% | +681+3.5% | Added |
| Wolverine Trading, LLC | 20,269 | $7.01M | 0.19% | −5,162−20.3% | Reduced |
| Hartford Investment Management Co | 20,489 | $7.09M | 0.18% | +430+2.1% | Added |
| Meeder Asset Management Inc | 20,515 | $7.10M | 0.33% | +15,712+327.1% | Added |
| IFM Investors Pty Ltd | 20,529 | $7.11M | 0.15% | +3,236+18.7% | Added |
| Fort Washington Investment Advisors Inc | 20,745 | $7.18M | 0.06% | −2,645−11.3% | Reduced |
| Squarepoint Ops LLC | 21,693 | $7.51M | 0.05% | +21,693 | New |
| Walleye Trading LLC | 22,108 | $7.66M | 0.20% | +19,349+701.3% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 22,187 | $7.68M | 0.46% | +1,000+4.7% | Added |
| Bank of Nova Scotia | 22,622 | $7.83M | 0.01% | −5,834−20.5% | Reduced |
| Wilsey Asset Management Inc | 22,708 | $7.86M | 2.10% | −243−1.1% | Reduced |
| LMR Partners LLP | 22,806 | $7.90M | 0.12% | +9,715+74.2% | Added |
| Employees Retirement System of Texas | 22,900 | $7.93M | 0.10% | −8,900−28.0% | Reduced |
| Comerica Bank | 23,678 | $8.02M | 0.05% | −1,971−7.7% | Reduced |
| Two Sigma Investments, LP | 23,189 | $8.03M | 0.02% | +17,000+274.7% | Added |
| Public Sector Pension Investment Board | 23,606 | $8.17M | 0.05% | +9,200+63.9% | Added |
| Sphera Funds Management Ltd. | 23,995 | $8.31M | 0.79% | +17,195+252.9% | Added |
| Mackay Shields LLC | 24,027 | $8.32M | 0.08% | −32,490−57.5% | Reduced |
| Auxier Asset Management | 24,130 | $8.36M | 1.38% | −237−1.0% | Reduced |
| IMC-Chicago, LLC | 24,405 | $8.45M | 0.69% | +24,405 | New |
| M&T Bank Corp | 24,599 | $8.52M | 0.04% | −10,802−30.5% | Reduced |
| Apriem Advisors | 24,753 | $8.57M | 1.28% | −36,409−59.5% | Reduced |
| Broadleaf Partners, LLC | 24,812 | $8.59M | 2.99% | −706−2.8% | Reduced |
| Sprott Inc. | 25,000 | $8.66M | 0.56% | −15,000−37.5% | Reduced |
| Texas Permanent School Fund | 25,012 | $8.66M | 0.10% | −426−1.7% | Reduced |
| ING Groep NV | 25,020 | $8.66M | 0.14% | +4,934+24.6% | Added |
| Traynor Capital Management, Inc. | 25,083 | $8.75M | 1.22% | −2,221−8.1% | Reduced |
| Banco Santander, S.A. | 25,593 | $8.86M | 0.05% | +23,821+1,344.3% | Added |
| Westpac Banking Corp | 26,064 | $9.03M | 0.09% | −5,396−17.2% | Reduced |
| Snow Capital Management LP | 26,786 | $9.28M | 1.32% | −98−0.4% | Reduced |
| State of Tennessee, Treasury Department | 26,817 | $9.29M | 0.04% | −271−1.0% | Reduced |
| Public Employees Retirement Association of Colorado | 27,118 | $9.39M | 0.04% | −136−0.5% | Reduced |
| Hillman Capital Management, Inc. | 27,239 | $9.43M | 3.59% | −50−0.2% | Reduced |
| USS Investment Management Ltd | 27,475 | $9.52M | 0.08% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 27,601 | $9.56M | 0.04% | +626+2.3% | Added |
| Commonwealth Equity Services, LLC | 27,710 | $9.60M | 0.02% | +5,620+25.4% | Added |
| British Columbia Investment Management Corp | 28,212 | $9.77M | 0.06% | +2,962+11.7% | Added |
| ACG Wealth | 28,238 | $9.78M | 1.24% | +6,269+28.5% | Added |
| Utah Retirement Systems | 28,529 | $9.88M | 0.13% | −600−2.1% | Reduced |
| Citizens Financial Group Inc | 29,317 | $10.2M | 0.44% | −390−1.3% | Reduced |
| Quantitative Investment Management, LLC | 29,595 | $10.2M | 0.93% | +24,927+534.0% | Added |
| Janney Montgomery Scott LLC | 29,693 | $10.3M | 0.05% | −2,808−8.6% | Reduced |
| Vident Investment Advisory, LLC | 30,146 | $10.4M | 0.32% | −1,896−5.9% | Reduced |
| NN Investment Partners Holdings N.V. | 30,214 | $10.5M | 0.06% | +1,391+4.8% | Added |
| CIBC World Markets Corp | 30,416 | $10.5M | 0.07% | +2,488+8.9% | Added |
| ExodusPoint Capital Management, LP | 30,432 | $10.5M | 0.16% | +27,445+918.8% | Added |
| PFS Investments Inc. | 29,504 | $10.6M | 0.24% | +2,813+10.5% | Added |
| Illinois Municipal Retirement Fund | 30,856 | $10.7M | 0.43% | +8,002+35.0% | Added |
| Gulf International Bank (UK) Ltd | 32,174 | $11.1M | 0.14% | −575−1.8% | Reduced |
| Great Point Partners LLC | 32,500 | $11.3M | 2.52% | −42,500−56.7% | Reduced |
| Ghost Tree Capital, LLC | 32,500 | $11.3M | 3.52% | +12,500+62.5% | Added |
| North Growth Management Ltd. | 34,000 | $11.6M | 1.89% | 00.0% | Unchanged |
| MetLife Investment Management | 34,906 | $12.1M | 0.11% | −1,396−3.8% | Reduced |
| Integral Health Asset Management, LLC | 35,000 | $12.1M | 3.34% | +35,000 | New |
| Man Group plc | 36,335 | $12.6M | 0.04% | +10,492+40.6% | Added |
| Advisor Group Holdings, Inc. | 36,440 | $12.6M | 0.03% | −2,651−6.8% | Reduced |
| Cubist Systematic Strategies, LLC | 36,708 | $12.7M | 0.14% | +32,173+709.4% | Added |
| EULAV Asset Management | 37,000 | $12.8M | 0.34% | +37,000 | New |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 37,358 | $12.9M | 0.02% | +9,832+35.7% | Added |
| LPL Financial LLC | 37,937 | $13.1M | 0.01% | −3,433−8.3% | Reduced |
| Forsta Ap-Fonden | 38,000 | $13.2M | 0.15% | +9,800+34.8% | Added |
| HAP Trading, LLC | 38,001 | $13.2M | 0.82% | +16,084+73.4% | Added |
| Swiss Life Asset Management Ltd | 26,512 | $13.2M | 0.17% | +8,609+48.1% | Added |
| Factory Mutual Insurance Co | 38,365 | $13.3M | 0.16% | −795−2.0% | Reduced |
| Ossiam | 40,826 | $13.3M | 0.36% | −19,934−32.8% | Reduced |
| Profund Advisors LLC | 38,996 | $13.5M | 0.45% | −1,587−3.9% | Reduced |
| Ergoteles LLC | 39,277 | $13.6M | 0.31% | +39,277 | New |
| Premier Asset Management LLC | 39,312 | $13.6M | 2.01% | −9,390−19.3% | Reduced |
| Calamos Advisors LLC | 39,457 | $13.7M | 0.07% | +6,547+19.9% | Added |
| Quinn Opportunity Partners LLC | 39,511 | $13.7M | 0.85% | +7,374+22.9% | Added |
| Atwood & Palmer Inc | 39,818 | $13.8M | 1.24% | +470+1.2% | Added |
| PointState Capital LP | 40,600 | $14.1M | 0.33% | −6,800−14.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 40,734 | $14.1M | 0.16% | +34,529+556.5% | Added |
| CSM Advisors, LLC | 40,821 | $14.1M | 0.95% | −410−1.0% | Reduced |
| DnB Asset Management AS | 41,178 | $14.3M | 0.09% | −9,828−19.3% | Reduced |
| Grimes & Company, Inc. | 41,854 | $14.5M | 0.63% | −197−0.5% | Reduced |
| Amalgamated Bank | 42,485 | $14.7M | 0.12% | +33,857+392.4% | Added |
| Arizona State Retirement System | 42,681 | $14.8M | 0.12% | −683−1.6% | Reduced |
| Vontobel Holding Ltd. | 42,967 | $14.9M | 0.13% | −38,279−47.1% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 44,921 | $15.6M | 0.14% | −3,100−6.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 45,260 | $15.7M | 0.36% | −1,000−2.2% | Reduced |