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 2025
Institutional positions in Biogen Inc. as of Jun 30, 2025. 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
- 867
- −3 vs. Q1 2025
- Shares held
- 130.1M
- +498.1K (+0.4%) vs. Q1 2025
- Total value
- $16.3B
- −$1.38B (−7.8%) vs. Q1 2025
- New holders
- 96
- 342 more added
- Sold out
- 99
- 263 more reduced
12 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tang Capital Management LLC | 35,000 | $4.40M | 0.22% | 00.0% | Unchanged |
| JustInvest LLC | 34,928 | $4.39M | 0.05% | +13,226+60.9% | Added |
| Natixis | 34,781 | $4.37M | 0.02% | +4,876+16.3% | Added |
| CWM, LLC | 34,782 | $4.37M | 0.02% | +6,639+23.6% | Added |
| NorthCrest Asset Manangement, LLC | 32,669 | $4.34M | 0.12% | −1,863−5.4% | Reduced |
| CI Private Wealth, LLC | 34,331 | $4.31M | 0.01% | +4,540+15.2% | Added |
| North Growth Management Ltd. | 34,000 | $4.27M | 0.80% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 33,526 | $4.21M | 0.02% | −2,320−6.5% | Reduced |
| Meitav Dash Investments Ltd | 33,400 | $4.19M | 0.06% | 00.0% | Unchanged |
| Jane Street Group, LLC | 33,041 | $4.15M | 0.01% | −4,213−11.3% | Reduced |
| Engineers Gate Manager LP | 33,008 | $4.15M | 0.05% | −43,950−57.1% | Reduced |
| Orion Investment Co | 32,901 | $4.13M | 1.47% | +1,249+3.9% | Added |
| China Universal Asset Management Co., Ltd. | 32,757 | $4.11M | 0.39% | −303−0.9% | Reduced |
| USS Investment Management Ltd | 31,870 | $4.00M | 0.03% | +372+1.2% | Added |
| PDT Partners, LLC | 31,664 | $3.98M | 0.22% | +31,664 | New |
| Retirement Systems of Alabama | 31,442 | $3.95M | 0.01% | −152,109−82.9% | Reduced |
| Farmers Trust Co | 29,527 | $3.71M | 0.69% | +14,666+98.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 27,867 | $3.70M | 0.01% | +8,818+46.3% | Added |
| CIBC World Markets Corp | 28,878 | $3.63M | 0.02% | +11,252+63.8% | Added |
| Commonwealth Equity Services, LLC | 28,551 | $3.59M | 0.00% | +1,071+3.9% | Added |
| O'Shaughnessy Asset Management, LLC | 28,312 | $3.56M | 0.02% | +25,836+1,043.5% | Added |
| Amalgamated Bank | 28,300 | $3.55M | 0.03% | −154−0.5% | Reduced |
| CSM Advisors, LLC | 27,459 | $3.45M | 0.10% | −400−1.4% | Reduced |
| DnB Asset Management AS | 27,427 | $3.44M | 0.01% | +602+2.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 27,421 | $3.44M | 0.03% | +3,200+13.2% | Added |
| Profund Advisors LLC | 27,174 | $3.41M | 0.12% | +404+1.5% | Added |
| CWA Asset Management Group, LLC | 26,611 | $3.34M | 0.14% | +4,143+18.4% | Added |
| Mn Services Vermogensbeheer B.V. | 26,600 | $3.34M | 0.02% | +26,600 | New |
| Glenmede Investment Management, LP | 26,340 | $3.31M | 0.02% | +26,340 | New |
| Jain Global LLC | 26,046 | $3.27M | 0.05% | +2,670+11.4% | Added |
| Forsta Ap-Fonden | 24,200 | $3.04M | 0.02% | +1,200+5.2% | Added |
| Ilmarinen Mutual Pension Insurance Co | 24,000 | $3.01M | 0.02% | 00.0% | Unchanged |
| Utah Retirement Systems | 23,996 | $3.01M | 0.03% | −119−0.5% | Reduced |
| Verition Fund Management LLC | 23,313 | $2.93M | 0.02% | −215,639−90.2% | Reduced |
| Mirae Asset Securities (USA) Inc. | 23,059 | $2.90M | 0.13% | +1,605+7.5% | Added |
| British Columbia Investment Management Corp | 23,034 | $2.89M | 0.02% | −4,839−17.4% | Reduced |
| Headlands Technologies LLC | 22,791 | $2.86M | 0.34% | −1,978−8.0% | Reduced |
| SG Americas Securities, LLC | 22,470 | $2.82M | 0.01% | −697,323−96.9% | Reduced |
| Andra AP-fonden | 22,400 | $2.81M | 0.04% | −23,800−51.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 22,358 | $2.81M | 0.03% | +1,248+5.9% | Added |
| New York Life Investment Management LLC | 22,336 | $2.81M | 0.03% | +67+0.3% | Added |
| SEI Investments Co | 22,028 | $2.77M | 0.00% | +3,713+20.3% | Added |
| Toroso Investments, LLC | 21,984 | $2.76M | 0.02% | +2,120+10.7% | Added |
| Ikarian Capital, LLC | 21,516 | $2.70M | 0.89% | +21,516 | New |
| Bokf, NA | 21,411 | $2.69M | 0.04% | −1,251−5.5% | Reduced |
| Xponance, Inc. | 21,379 | $2.68M | 0.02% | +281+1.3% | Added |
| ICICI Prudential Asset Management Co Ltd | 21,288 | $2.67M | 0.33% | −6,941−24.6% | Reduced |
| Privium Fund Management B.V. | 20,500 | $2.67M | 0.58% | +20,500 | New |
| Comerica Bank | 21,109 | $2.65M | 0.01% | −964−4.4% | Reduced |
| Arlington Partners LLC | 20,417 | $2.56M | 0.95% | −7,308−26.4% | Reduced |
| Old North State Wealth Management, LLC | 20,224 | $2.54M | 1.32% | +320+1.6% | Added |
| Yousif Capital Management, LLC | 19,751 | $2.48M | 0.03% | −2,956−13.0% | Reduced |
| Kinneret Advisory, LLC | 19,340 | $2.43M | 0.22% | −29−0.1% | Reduced |
| Janney Montgomery Scott LLC | 19,099 | $2.40M | 0.01% | +1,158+6.5% | Added |
| State of Alaska, Department of Revenue | 19,059 | $2.39M | 0.03% | −660−3.3% | Reduced |
| Banque Cantonale Vaudoise | 18,480 | $2.32M | 0.09% | +8,648+88.0% | Added |
| UniSuper Management Pty Ltd | 18,413 | $2.31M | 0.02% | +742+4.2% | Added |
| Louisiana State Employees Retirement System | 18,400 | $2.31M | 0.04% | −200−1.1% | Reduced |
| Kovitz Investment Group Partners, LLC | 18,321 | $2.30M | 0.01% | +4,105+28.9% | Added |
| Janus Henderson Group PLC | 18,260 | $2.29M | 0.00% | −2,568−12.3% | Reduced |
| Thrivent Financial for Lutherans | 18,195 | $2.29M | 0.00% | +3,544+24.2% | Added |
| Leo Wealth, LLC | 18,123 | $2.28M | 0.18% | +288+1.6% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 18,103 | $2.27M | 0.02% | −55−0.3% | Reduced |
| Triglav Skladi, D.O.O. | 18,027 | $2.26M | 0.16% | 00.0% | Unchanged |
| Inspire Trust Co, N.A. | 18,000 | $2.26M | 0.47% | +3,700+25.9% | Added |
| Hourglass Capital, LLC | 17,970 | $2.26M | 0.56% | +17,970 | New |
| Elo Mutual Pension Insurance Co | 17,934 | $2.25M | 0.05% | +426+2.4% | Added |
| Shelton Capital Management | 17,368 | $2.18M | 0.05% | −3,541−16.9% | Reduced |
| PEAK6 LLC | 17,286 | $2.17M | 0.07% | −13,336−43.6% | Reduced |
| US Bancorp | 17,109 | $2.15M | 0.00% | −8,837−34.1% | Reduced |
| Mutual of America Capital Management LLC | 16,835 | $2.11M | 0.02% | −224−1.3% | Reduced |
| Optiver Holding B.V. | 16,550 | $2.08M | 0.06% | +16,550 | New |
| Lombard Odier Asset Management (Switzerland) SA | 16,430 | $2.06M | 0.10% | −4,622−22.0% | Reduced |
| Bank of Nova Scotia | 16,334 | $2.05M | 0.00% | +23+0.1% | Added |
| Point72 (DIFC) Ltd | 16,301 | $2.05M | 0.16% | −33,548−67.3% | Reduced |
| OP Asset Management Ltd | 16,246 | $2.04M | 0.03% | +811+5.3% | Added |
| iA Global Asset Management Inc. | 16,224 | $2.04M | 0.03% | −2,118−11.5% | Reduced |
| Edgestream Partners, L.P. | 16,164 | $2.03M | 0.06% | −686−4.1% | Reduced |
| Synovus Financial Corp | 15,965 | $2.01M | 0.02% | −1,963−10.9% | Reduced |
| M&T Bank Corp | 15,502 | $1.95M | 0.01% | +3,200+26.0% | Added |
| Clark Estates Inc | 15,300 | $1.92M | 0.43% | +3,504+29.7% | Added |
| Avanza Fonder AB | 15,287 | $1.92M | 0.06% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 14,899 | $1.87M | 0.01% | +6,231+71.9% | Added |
| Blair William & Co | 14,844 | $1.86M | 0.01% | +1,561+11.8% | Added |
| Cinctive Capital Management LP | 14,802 | $1.86M | 0.10% | +6,908+87.5% | Added |
| Stoneridge Investment Partners LLC | 14,599 | $1.83M | 1.38% | 00.0% | Unchanged |
| Captrust Financial Advisors | 14,595 | $1.83M | 0.00% | +2,013+16.0% | Added |
| Ostrum Asset Management | 14,525 | $1.82M | 0.09% | −183−1.2% | Reduced |
| Gabelli Funds LLC | 14,100 | $1.77M | 0.01% | 00.0% | Unchanged |
| Qsemble Capital Management, LP | 13,909 | $1.75M | 0.17% | −558−3.9% | Reduced |
| E Fund Management Co., Ltd. | 13,810 | $1.73M | 0.08% | +423+3.2% | Added |
| Schroder Investment Management Group | 13,767 | $1.73M | 0.00% | −46,568−77.2% | Reduced |
| Brevan Howard Capital Management LP | 13,456 | $1.69M | 0.02% | +5,040+59.9% | Added |
| Vontobel Holding Ltd. | 13,448 | $1.69M | 0.01% | −2,491−15.6% | Reduced |
| Sprucegrove Investment Management Ltd | 13,310 | $1.67M | 0.14% | −800−5.7% | Reduced |
| Evoke Wealth, LLC | 13,147 | $1.65M | 0.04% | +1,317+11.1% | Added |
| Beacon Investment Advisory Services, Inc. | 12,930 | $1.62M | 0.07% | −3,150−19.6% | Reduced |
| Fox Run Management, L.L.C. | 12,891 | $1.62M | 0.27% | +3,777+41.4% | Added |
| Cetera Investment Advisers | 12,888 | $1.62M | 0.00% | +280+2.2% | Added |
| Jacobs Levy Equity Management, Inc | 12,625 | $1.59M | 0.01% | −48,768−79.4% | Reduced |