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 |
|---|---|---|---|---|---|
| KBC Group NV | 47,630 | $16.5M | 0.06% | +483+1.0% | Added |
| GMT Capital Corp | 46,950 | $16.3M | 1.21% | −14,620−23.7% | Reduced |
| Mackenzie Financial Corp | 46,441 | $16.1M | 0.02% | −1,128−2.4% | Reduced |
| Nomura Holdings Inc | 45,045 | $16.1M | 0.13% | +44,689+12,553.1% | Added |
| Montag & Caldwell, LLC | 46,136 | $16.0M | 1.44% | +46,136 | New |
| Edmond de Rothschild Holding S.A. | 45,260 | $15.7M | 0.36% | −1,000−2.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 44,921 | $15.6M | 0.14% | −3,100−6.5% | Reduced |
| Vontobel Holding Ltd. | 42,967 | $14.9M | 0.13% | −38,279−47.1% | Reduced |
| Arizona State Retirement System | 42,681 | $14.8M | 0.12% | −683−1.6% | Reduced |
| Amalgamated Bank | 42,485 | $14.7M | 0.12% | +33,857+392.4% | Added |
| Grimes & Company, Inc. | 41,854 | $14.5M | 0.63% | −197−0.5% | Reduced |
| DnB Asset Management AS | 41,178 | $14.3M | 0.09% | −9,828−19.3% | Reduced |
| CSM Advisors, LLC | 40,821 | $14.1M | 0.95% | −410−1.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 40,734 | $14.1M | 0.16% | +34,529+556.5% | Added |
| PointState Capital LP | 40,600 | $14.1M | 0.33% | −6,800−14.3% | Reduced |
| Atwood & Palmer Inc | 39,818 | $13.8M | 1.24% | +470+1.2% | Added |
| Quinn Opportunity Partners LLC | 39,511 | $13.7M | 0.85% | +7,374+22.9% | Added |
| Calamos Advisors LLC | 39,457 | $13.7M | 0.07% | +6,547+19.9% | Added |
| Premier Asset Management LLC | 39,312 | $13.6M | 2.01% | −9,390−19.3% | Reduced |
| Ergoteles LLC | 39,277 | $13.6M | 0.31% | +39,277 | New |
| Profund Advisors LLC | 38,996 | $13.5M | 0.45% | −1,587−3.9% | Reduced |
| Ossiam | 40,826 | $13.3M | 0.36% | −19,934−32.8% | Reduced |
| Factory Mutual Insurance Co | 38,365 | $13.3M | 0.16% | −795−2.0% | Reduced |
| Swiss Life Asset Management Ltd | 26,512 | $13.2M | 0.17% | +8,609+48.1% | Added |
| HAP Trading, LLC | 38,001 | $13.2M | 0.82% | +16,084+73.4% | Added |
| Forsta Ap-Fonden | 38,000 | $13.2M | 0.15% | +9,800+34.8% | Added |
| LPL Financial LLC | 37,937 | $13.1M | 0.01% | −3,433−8.3% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 37,358 | $12.9M | 0.02% | +9,832+35.7% | Added |
| EULAV Asset Management | 37,000 | $12.8M | 0.34% | +37,000 | New |
| Cubist Systematic Strategies, LLC | 36,708 | $12.7M | 0.14% | +32,173+709.4% | Added |
| Advisor Group Holdings, Inc. | 36,440 | $12.6M | 0.03% | −2,651−6.8% | Reduced |
| Man Group plc | 36,335 | $12.6M | 0.04% | +10,492+40.6% | Added |
| Integral Health Asset Management, LLC | 35,000 | $12.1M | 3.34% | +35,000 | New |
| MetLife Investment Management | 34,906 | $12.1M | 0.11% | −1,396−3.8% | Reduced |
| North Growth Management Ltd. | 34,000 | $11.6M | 1.89% | 00.0% | Unchanged |
| 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 |
| Gulf International Bank (UK) Ltd | 32,174 | $11.1M | 0.14% | −575−1.8% | Reduced |
| Illinois Municipal Retirement Fund | 30,856 | $10.7M | 0.43% | +8,002+35.0% | Added |
| PFS Investments Inc. | 29,504 | $10.6M | 0.24% | +2,813+10.5% | Added |
| ExodusPoint Capital Management, LP | 30,432 | $10.5M | 0.16% | +27,445+918.8% | Added |
| CIBC World Markets Corp | 30,416 | $10.5M | 0.07% | +2,488+8.9% | Added |
| NN Investment Partners Holdings N.V. | 30,214 | $10.5M | 0.06% | +1,391+4.8% | Added |
| Vident Investment Advisory, LLC | 30,146 | $10.4M | 0.32% | −1,896−5.9% | Reduced |
| Janney Montgomery Scott LLC | 29,693 | $10.3M | 0.05% | −2,808−8.6% | Reduced |
| Quantitative Investment Management, LLC | 29,595 | $10.2M | 0.93% | +24,927+534.0% | Added |
| Citizens Financial Group Inc | 29,317 | $10.2M | 0.44% | −390−1.3% | Reduced |
| Utah Retirement Systems | 28,529 | $9.88M | 0.13% | −600−2.1% | Reduced |
| ACG Wealth | 28,238 | $9.78M | 1.24% | +6,269+28.5% | Added |
| British Columbia Investment Management Corp | 28,212 | $9.77M | 0.06% | +2,962+11.7% | Added |
| Commonwealth Equity Services, LLC | 27,710 | $9.60M | 0.02% | +5,620+25.4% | Added |
| CIBC Asset Management Inc | 27,601 | $9.56M | 0.04% | +626+2.3% | Added |
| USS Investment Management Ltd | 27,475 | $9.52M | 0.08% | 00.0% | Unchanged |
| Hillman Capital Management, Inc. | 27,239 | $9.43M | 3.59% | −50−0.2% | Reduced |
| Public Employees Retirement Association of Colorado | 27,118 | $9.39M | 0.04% | −136−0.5% | Reduced |
| State of Tennessee, Treasury Department | 26,817 | $9.29M | 0.04% | −271−1.0% | Reduced |
| Snow Capital Management LP | 26,786 | $9.28M | 1.32% | −98−0.4% | Reduced |
| Westpac Banking Corp | 26,064 | $9.03M | 0.09% | −5,396−17.2% | Reduced |
| Banco Santander, S.A. | 25,593 | $8.86M | 0.05% | +23,821+1,344.3% | Added |
| Traynor Capital Management, Inc. | 25,083 | $8.75M | 1.22% | −2,221−8.1% | Reduced |
| ING Groep NV | 25,020 | $8.66M | 0.14% | +4,934+24.6% | Added |
| Texas Permanent School Fund | 25,012 | $8.66M | 0.10% | −426−1.7% | Reduced |
| Sprott Inc. | 25,000 | $8.66M | 0.56% | −15,000−37.5% | Reduced |
| Broadleaf Partners, LLC | 24,812 | $8.59M | 2.99% | −706−2.8% | Reduced |
| Apriem Advisors | 24,753 | $8.57M | 1.28% | −36,409−59.5% | Reduced |
| M&T Bank Corp | 24,599 | $8.52M | 0.04% | −10,802−30.5% | Reduced |
| IMC-Chicago, LLC | 24,405 | $8.45M | 0.69% | +24,405 | New |
| Auxier Asset Management | 24,130 | $8.36M | 1.38% | −237−1.0% | Reduced |
| Mackay Shields LLC | 24,027 | $8.32M | 0.08% | −32,490−57.5% | Reduced |
| Sphera Funds Management Ltd. | 23,995 | $8.31M | 0.79% | +17,195+252.9% | Added |
| Public Sector Pension Investment Board | 23,606 | $8.17M | 0.05% | +9,200+63.9% | Added |
| Two Sigma Investments, LP | 23,189 | $8.03M | 0.02% | +17,000+274.7% | Added |
| Comerica Bank | 23,678 | $8.02M | 0.05% | −1,971−7.7% | Reduced |
| Employees Retirement System of Texas | 22,900 | $7.93M | 0.10% | −8,900−28.0% | Reduced |
| LMR Partners LLP | 22,806 | $7.90M | 0.12% | +9,715+74.2% | Added |
| Wilsey Asset Management Inc | 22,708 | $7.86M | 2.10% | −243−1.1% | Reduced |
| Bank of Nova Scotia | 22,622 | $7.83M | 0.01% | −5,834−20.5% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 22,187 | $7.68M | 0.46% | +1,000+4.7% | Added |
| Walleye Trading LLC | 22,108 | $7.66M | 0.20% | +19,349+701.3% | Added |
| Squarepoint Ops LLC | 21,693 | $7.51M | 0.05% | +21,693 | New |
| Fort Washington Investment Advisors Inc | 20,745 | $7.18M | 0.06% | −2,645−11.3% | Reduced |
| IFM Investors Pty Ltd | 20,529 | $7.11M | 0.15% | +3,236+18.7% | Added |
| Meeder Asset Management Inc | 20,515 | $7.10M | 0.33% | +15,712+327.1% | Added |
| Hartford Investment Management Co | 20,489 | $7.09M | 0.18% | +430+2.1% | Added |
| Wolverine Trading, LLC | 20,269 | $7.01M | 0.19% | −5,162−20.3% | Reduced |
| Natixis Advisors, L.P. | 20,005 | $6.93M | 0.03% | +681+3.5% | Added |
| 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 |
| Mutual of America Capital Management LLC | 19,624 | $6.79M | 0.07% | −52−0.3% | Reduced |
| Exchange Capital Management, Inc. | 19,528 | $6.76M | 1.30% | +464+2.4% | Added |
| Boothbay Fund Management, LLC | 19,521 | $6.76M | 0.28% | +17,741+996.7% | Added |
| Rafferty Asset Management, LLC | 19,449 | $6.74M | 0.04% | −9,647−33.2% | Reduced |
| Sectoral Asset Management Inc | 19,432 | $6.73M | 0.54% | +6,950+55.7% | Added |
| HighTower Advisors, LLC | 18,960 | $6.57M | 0.02% | −19,400−50.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,863 | $6.53M | 0.07% | −189−1.0% | Reduced |
| Symons Capital Management Inc | 18,710 | $6.48M | 3.69% | −830−4.2% | Reduced |
| Shelton Capital Management | 18,593 | $6.44M | 0.24% | −2,900−13.5% | Reduced |
| Stephens Inc | 18,416 | $6.38M | 0.10% | +6,501+54.6% | Added |
| Muhlenkamp & Co Inc | 18,218 | $6.31M | 2.31% | +34+0.2% | Added |
| Metropolitan Life Insurance Co | 18,123 | $6.28M | 0.09% | −2,902−13.8% | Reduced |