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 |
|---|---|---|---|---|---|
| CSS LLC | 6,920 | $869.1K | 0.05% | +3,190+85.5% | Added |
| Merit Financial Group, LLC | 6,991 | $878.1K | 0.01% | −2,006−22.3% | Reduced |
| Citizens & Northern Corp | 7,028 | $882.6K | 0.24% | +2,315+49.1% | Added |
| Canada Post Corp Registered Pension Plan | 7,193 | $903.4K | 0.05% | +7,193 | New |
| Brown Advisory Inc | 7,231 | $908.1K | 0.00% | −26−0.4% | Reduced |
| Thor Investment Management Inc | 7,239 | $909.1K | 0.62% | −3,732−34.0% | Reduced |
| Koss-Olinger Consulting, LLC | 7,256 | $911.3K | 0.07% | −42−0.6% | Reduced |
| Fifth Third Bancorp | 7,377 | $926.5K | 0.00% | +1,888+34.4% | Added |
| Pitcairn Co | 7,454 | $936.1K | 0.06% | +7,454 | New |
| Motley Fool Asset Management LLC | 7,497 | $941.5K | 0.04% | +688+10.1% | Added |
| Allspring Global Investments Holdings, LLC | 7,273 | $946.0K | 0.00% | −3,589−33.0% | Reduced |
| Linden Thomas Advisory Services, LLC | 7,551 | $948.3K | 0.10% | −138−1.8% | Reduced |
| Securian Asset Management, Inc | 7,596 | $954.0K | 0.03% | −100−1.3% | Reduced |
| Jones Financial Companies LLLP | 7,579 | $955.6K | 0.00% | +64+0.9% | Added |
| Whittier Trust Co of Nevada Inc | 7,746 | $972.8K | 0.02% | 00.0% | Unchanged |
| PKO Investment Management Joint-Stock Co | 7,800 | $979.6K | 0.11% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 7,810 | $980.9K | 0.32% | +1,485+23.5% | Added |
| Entropy Technologies, LP | 7,840 | $984.6K | 0.08% | −9,470−54.7% | Reduced |
| Cornercap Investment Counsel Inc | 7,894 | $991.4K | 0.52% | −217−2.7% | Reduced |
| Gulf International Bank (UK) Ltd | 7,924 | $995.0K | 0.04% | 00.0% | Unchanged |
| Jacobi Capital Management LLC | 7,963 | $1.00M | 0.07% | +1,952+32.5% | Added |
| Keybank National Association | 8,093 | $1.02M | 0.00% | +582+7.7% | Added |
| Jump Financial, LLC | 8,169 | $1.03M | 0.01% | −64,960−88.8% | Reduced |
| Quadrant Capital Group LLC | 8,172 | $1.03M | 0.04% | +6,616+425.2% | Added |
| Cairn Investment Group, Inc. | 8,274 | $1.04M | 0.54% | −82−1.0% | Reduced |
| Harvest Fund Management Co., Ltd | 8,319 | $1.04M | 0.05% | −927−10.0% | Reduced |
| Dohj, LLC | 8,853 | $1.05M | 0.30% | +261+3.0% | Added |
| Empowered Funds, LLC | 8,343 | $1.05M | 0.01% | +1,289+18.3% | Added |
| Shell Asset Management Co | 8,440 | $1.06M | 0.04% | +4,488+113.6% | Added |
| MML Investors Services, LLC | 8,560 | $1.07M | 0.00% | +617+7.8% | Added |
| Brinker Capital Investments, LLC | 8,587 | $1.08M | 0.01% | +1,121+15.0% | Added |
| M&G Plc | 8,593 | $1.08M | 0.01% | −64,119−88.2% | Reduced |
| Wealthfront Advisers LLC | 8,684 | $1.09M | 0.00% | +4,899+129.4% | Added |
| Truist Financial Corp | 8,703 | $1.09M | 0.00% | −99−1.1% | Reduced |
| Advisor Group Holdings, Inc. | 8,735 | $1.10M | 0.00% | +941+12.1% | Added |
| Hartford Investment Management Co | 8,791 | $1.10M | 0.04% | −76−0.9% | Reduced |
| Fieldview Capital Management, LLC | 8,837 | $1.11M | 0.17% | +8,837 | New |
| HighTower Advisors, LLC | 8,871 | $1.11M | 0.00% | −2,826−24.2% | Reduced |
| Groupama Asset Managment | 8,918 | $1.12M | 0.02% | +986+12.4% | Added |
| Kentucky Retirement Systems | 9,333 | $1.17M | 0.03% | −612−6.2% | Reduced |
| Inceptionr LLC | 9,500 | $1.19M | 0.28% | +2,954+45.1% | Added |
| Premier Path Wealth Partners, LLC | 9,551 | $1.20M | 0.17% | +839+9.6% | Added |
| Miracle Mile Advisors, LLC | 9,594 | $1.20M | 0.02% | +9,594 | New |
| Sterling Capital Management LLC | 9,723 | $1.22M | 0.02% | +1,622+20.0% | Added |
| MYDA Advisors LLC | 10,000 | $1.26M | 0.35% | +7,000+233.3% | Added |
| Mizuho Securities USA LLC | 10,130 | $1.27M | 0.03% | +10,130 | New |
| Federation des caisses Desjardins du Quebec | 10,144 | $1.27M | 0.01% | −599−5.6% | Reduced |
| Auxier Asset Management | 10,232 | $1.29M | 0.19% | −3,315−24.5% | Reduced |
| Boothbay Fund Management, LLC | 10,922 | $1.37M | 0.04% | +9,112+503.4% | Added |
| Assenagon Asset Management S.A. | 10,936 | $1.37M | 0.00% | −33,860−75.6% | Reduced |
| Caption Management, LLC | 11,000 | $1.38M | 0.13% | +11,000 | New |
| Point72 Hong Kong Ltd | 11,083 | $1.39M | 0.10% | +7,203+185.6% | Added |
| Stifel Financial Corp | 11,114 | $1.40M | 0.00% | −7,962−41.7% | Reduced |
| Neuberger Berman Group LLC | 11,116 | $1.40M | 0.00% | +4,226+61.3% | Added |
| Quest Partners LLC | 11,164 | $1.40M | 0.14% | +2,837+34.1% | Added |
| Public Sector Pension Investment Board | 11,252 | $1.41M | 0.01% | −8,855−44.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,437 | $1.44M | 0.01% | +224+2.0% | Added |
| Pathstone Holdings, LLC | 11,597 | $1.46M | 0.01% | −116−1.0% | Reduced |
| Public Employees Retirement Association of Colorado | 11,669 | $1.47M | 0.01% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 12,000 | $1.51M | 0.19% | −37,500−75.8% | Reduced |
| Twin Capital Management Inc | 12,034 | $1.51M | 0.16% | +492+4.3% | Added |
| Pallas Capital Advisors LLC | 12,365 | $1.55M | 0.06% | −980−7.3% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 12,482 | $1.57M | 0.01% | 00.0% | Unchanged |
| Norinchukin Bank, The | 12,485 | $1.57M | 0.02% | +911+7.9% | Added |
| Ethic Inc. | 12,438 | $1.57M | 0.03% | +4,583+58.3% | Added |
| Provident Co of the Employees of the Hebrew University LTD | 12,529 | $1.57M | 1.57% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 12,598 | $1.58M | 0.03% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 12,625 | $1.59M | 0.01% | −48,768−79.4% | Reduced |
| Cetera Investment Advisers | 12,888 | $1.62M | 0.00% | +280+2.2% | Added |
| Fox Run Management, L.L.C. | 12,891 | $1.62M | 0.27% | +3,777+41.4% | Added |
| Beacon Investment Advisory Services, Inc. | 12,930 | $1.62M | 0.07% | −3,150−19.6% | Reduced |
| Evoke Wealth, LLC | 13,147 | $1.65M | 0.04% | +1,317+11.1% | Added |
| Sprucegrove Investment Management Ltd | 13,310 | $1.67M | 0.14% | −800−5.7% | Reduced |
| Vontobel Holding Ltd. | 13,448 | $1.69M | 0.01% | −2,491−15.6% | Reduced |
| Brevan Howard Capital Management LP | 13,456 | $1.69M | 0.02% | +5,040+59.9% | Added |
| Schroder Investment Management Group | 13,767 | $1.73M | 0.00% | −46,568−77.2% | Reduced |
| E Fund Management Co., Ltd. | 13,810 | $1.73M | 0.08% | +423+3.2% | Added |
| Qsemble Capital Management, LP | 13,909 | $1.75M | 0.17% | −558−3.9% | Reduced |
| Gabelli Funds LLC | 14,100 | $1.77M | 0.01% | 00.0% | Unchanged |
| Ostrum Asset Management | 14,525 | $1.82M | 0.09% | −183−1.2% | Reduced |
| Captrust Financial Advisors | 14,595 | $1.83M | 0.00% | +2,013+16.0% | Added |
| Stoneridge Investment Partners LLC | 14,599 | $1.83M | 1.38% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 14,802 | $1.86M | 0.10% | +6,908+87.5% | Added |
| Blair William & Co | 14,844 | $1.86M | 0.01% | +1,561+11.8% | Added |
| Fuller & Thaler Asset Management, Inc. | 14,899 | $1.87M | 0.01% | +6,231+71.9% | Added |
| Avanza Fonder AB | 15,287 | $1.92M | 0.06% | 00.0% | Unchanged |
| Clark Estates Inc | 15,300 | $1.92M | 0.43% | +3,504+29.7% | Added |
| M&T Bank Corp | 15,502 | $1.95M | 0.01% | +3,200+26.0% | Added |
| Synovus Financial Corp | 15,965 | $2.01M | 0.02% | −1,963−10.9% | Reduced |
| Edgestream Partners, L.P. | 16,164 | $2.03M | 0.06% | −686−4.1% | Reduced |
| iA Global Asset Management Inc. | 16,224 | $2.04M | 0.03% | −2,118−11.5% | Reduced |
| OP Asset Management Ltd | 16,246 | $2.04M | 0.03% | +811+5.3% | Added |
| Point72 (DIFC) Ltd | 16,301 | $2.05M | 0.16% | −33,548−67.3% | Reduced |
| Bank of Nova Scotia | 16,334 | $2.05M | 0.00% | +23+0.1% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 16,430 | $2.06M | 0.10% | −4,622−22.0% | Reduced |
| Optiver Holding B.V. | 16,550 | $2.08M | 0.06% | +16,550 | New |
| Mutual of America Capital Management LLC | 16,835 | $2.11M | 0.02% | −224−1.3% | Reduced |
| US Bancorp | 17,109 | $2.15M | 0.00% | −8,837−34.1% | Reduced |
| PEAK6 LLC | 17,286 | $2.17M | 0.07% | −13,336−43.6% | Reduced |
| Shelton Capital Management | 17,368 | $2.18M | 0.05% | −3,541−16.9% | Reduced |