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 |
|---|---|---|---|---|---|
| Oregon Public Employees Retirement Fund | 12,598 | $1.58M | 0.03% | 00.0% | Unchanged |
| Provident Co of the Employees of the Hebrew University LTD | 12,529 | $1.57M | 1.57% | 00.0% | Unchanged |
| Ethic Inc. | 12,438 | $1.57M | 0.03% | +4,583+58.3% | Added |
| Norinchukin Bank, The | 12,485 | $1.57M | 0.02% | +911+7.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 12,482 | $1.57M | 0.01% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 12,365 | $1.55M | 0.06% | −980−7.3% | Reduced |
| Twin Capital Management Inc | 12,034 | $1.51M | 0.16% | +492+4.3% | Added |
| Rhenman & Partners Asset Management AB | 12,000 | $1.51M | 0.19% | −37,500−75.8% | Reduced |
| Public Employees Retirement Association of Colorado | 11,669 | $1.47M | 0.01% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 11,597 | $1.46M | 0.01% | −116−1.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 11,437 | $1.44M | 0.01% | +224+2.0% | Added |
| Public Sector Pension Investment Board | 11,252 | $1.41M | 0.01% | −8,855−44.0% | Reduced |
| Quest Partners LLC | 11,164 | $1.40M | 0.14% | +2,837+34.1% | Added |
| Neuberger Berman Group LLC | 11,116 | $1.40M | 0.00% | +4,226+61.3% | Added |
| Stifel Financial Corp | 11,114 | $1.40M | 0.00% | −7,962−41.7% | Reduced |
| Point72 Hong Kong Ltd | 11,083 | $1.39M | 0.10% | +7,203+185.6% | Added |
| Caption Management, LLC | 11,000 | $1.38M | 0.13% | +11,000 | New |
| Assenagon Asset Management S.A. | 10,936 | $1.37M | 0.00% | −33,860−75.6% | Reduced |
| Boothbay Fund Management, LLC | 10,922 | $1.37M | 0.04% | +9,112+503.4% | Added |
| Auxier Asset Management | 10,232 | $1.29M | 0.19% | −3,315−24.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,144 | $1.27M | 0.01% | −599−5.6% | Reduced |
| Mizuho Securities USA LLC | 10,130 | $1.27M | 0.03% | +10,130 | New |
| MYDA Advisors LLC | 10,000 | $1.26M | 0.35% | +7,000+233.3% | Added |
| Sterling Capital Management LLC | 9,723 | $1.22M | 0.02% | +1,622+20.0% | Added |
| Miracle Mile Advisors, LLC | 9,594 | $1.20M | 0.02% | +9,594 | New |
| Premier Path Wealth Partners, LLC | 9,551 | $1.20M | 0.17% | +839+9.6% | Added |
| Inceptionr LLC | 9,500 | $1.19M | 0.28% | +2,954+45.1% | Added |
| Kentucky Retirement Systems | 9,333 | $1.17M | 0.03% | −612−6.2% | Reduced |
| Groupama Asset Managment | 8,918 | $1.12M | 0.02% | +986+12.4% | Added |
| HighTower Advisors, LLC | 8,871 | $1.11M | 0.00% | −2,826−24.2% | Reduced |
| Fieldview Capital Management, LLC | 8,837 | $1.11M | 0.17% | +8,837 | New |
| Hartford Investment Management Co | 8,791 | $1.10M | 0.04% | −76−0.9% | Reduced |
| Advisor Group Holdings, Inc. | 8,735 | $1.10M | 0.00% | +941+12.1% | Added |
| Truist Financial Corp | 8,703 | $1.09M | 0.00% | −99−1.1% | Reduced |
| Wealthfront Advisers LLC | 8,684 | $1.09M | 0.00% | +4,899+129.4% | Added |
| M&G Plc | 8,593 | $1.08M | 0.01% | −64,119−88.2% | Reduced |
| Brinker Capital Investments, LLC | 8,587 | $1.08M | 0.01% | +1,121+15.0% | Added |
| MML Investors Services, LLC | 8,560 | $1.07M | 0.00% | +617+7.8% | Added |
| Shell Asset Management Co | 8,440 | $1.06M | 0.04% | +4,488+113.6% | Added |
| Empowered Funds, LLC | 8,343 | $1.05M | 0.01% | +1,289+18.3% | Added |
| Dohj, LLC | 8,853 | $1.05M | 0.30% | +261+3.0% | Added |
| Harvest Fund Management Co., Ltd | 8,319 | $1.04M | 0.05% | −927−10.0% | Reduced |
| Cairn Investment Group, Inc. | 8,274 | $1.04M | 0.54% | −82−1.0% | Reduced |
| Quadrant Capital Group LLC | 8,172 | $1.03M | 0.04% | +6,616+425.2% | Added |
| Jump Financial, LLC | 8,169 | $1.03M | 0.01% | −64,960−88.8% | Reduced |
| Keybank National Association | 8,093 | $1.02M | 0.00% | +582+7.7% | Added |
| Jacobi Capital Management LLC | 7,963 | $1.00M | 0.07% | +1,952+32.5% | Added |
| Gulf International Bank (UK) Ltd | 7,924 | $995.0K | 0.04% | 00.0% | Unchanged |
| Cornercap Investment Counsel Inc | 7,894 | $991.4K | 0.52% | −217−2.7% | Reduced |
| Entropy Technologies, LP | 7,840 | $984.6K | 0.08% | −9,470−54.7% | Reduced |
| Missouri Trust & Investment Co | 7,810 | $980.9K | 0.32% | +1,485+23.5% | Added |
| PKO Investment Management Joint-Stock Co | 7,800 | $979.6K | 0.11% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 7,746 | $972.8K | 0.02% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 7,579 | $955.6K | 0.00% | +64+0.9% | Added |
| Securian Asset Management, Inc | 7,596 | $954.0K | 0.03% | −100−1.3% | Reduced |
| Linden Thomas Advisory Services, LLC | 7,551 | $948.3K | 0.10% | −138−1.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 7,273 | $946.0K | 0.00% | −3,589−33.0% | Reduced |
| Motley Fool Asset Management LLC | 7,497 | $941.5K | 0.04% | +688+10.1% | Added |
| Pitcairn Co | 7,454 | $936.1K | 0.06% | +7,454 | New |
| Fifth Third Bancorp | 7,377 | $926.5K | 0.00% | +1,888+34.4% | Added |
| Koss-Olinger Consulting, LLC | 7,256 | $911.3K | 0.07% | −42−0.6% | Reduced |
| Thor Investment Management Inc | 7,239 | $909.1K | 0.62% | −3,732−34.0% | Reduced |
| Brown Advisory Inc | 7,231 | $908.1K | 0.00% | −26−0.4% | Reduced |
| Canada Post Corp Registered Pension Plan | 7,193 | $903.4K | 0.05% | +7,193 | New |
| Citizens & Northern Corp | 7,028 | $882.6K | 0.24% | +2,315+49.1% | Added |
| Merit Financial Group, LLC | 6,991 | $878.1K | 0.01% | −2,006−22.3% | Reduced |
| CSS LLC | 6,920 | $869.1K | 0.05% | +3,190+85.5% | Added |
| AIA Group Ltd | 6,852 | $860.5K | 0.02% | +2,006+41.4% | Added |
| New Mexico Educational Retirement Board | 6,824 | $857.0K | 0.03% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 6,809 | $855.1K | 0.02% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 6,760 | $849.0K | 0.05% | −4,813−41.6% | Reduced |
| Colony Group, LLC | 6,708 | $842.5K | 0.00% | −3,465−34.1% | Reduced |
| Wolverine Trading, LLC | 6,667 | $840.6K | 0.02% | −19,617−74.6% | Reduced |
| Metis Global Partners, LLC | 6,647 | $834.8K | 0.02% | −4,005−37.6% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 6,626 | $832.0K | 0.01% | +1,341+25.4% | Added |
| Simplex Trading, LLC | 6,599 | $828.0K | 0.02% | +3,440+108.9% | Added |
| Pensionmark Financial Group, LLC | 6,478 | $813.6K | 0.02% | +184+2.9% | Added |
| E. Ohman J:or Asset Management AB | 6,399 | $803.6K | 0.02% | 00.0% | Unchanged |
| Cim Investment Mangement Inc | 5,764 | $802.9K | 0.15% | +2,877+99.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 6,318 | $793.5K | 0.02% | +4,480+243.7% | Added |
| Buckingham Strategic Partners | 6,311 | $792.7K | 0.01% | +1,010+19.1% | Added |
| Mogy Joel R Investment Counsel Inc | 6,260 | $786.2K | 0.05% | 00.0% | Unchanged |
| Commerce Bank | 6,236 | $783.2K | 0.00% | −727−10.4% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,193 | $777.8K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,187 | $777.0K | 0.02% | 00.0% | Unchanged |
| Investment Management Corp of Ontario | 6,078 | $763.3K | 0.01% | −500−7.6% | Reduced |
| Ritholtz Wealth Management | 6,076 | $763.1K | 0.02% | +6,076 | New |
| Money Concepts Capital Corp | 6,029 | $757.2K | 0.05% | +54+0.9% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 6,019 | $755.9K | 0.02% | −4,700−43.8% | Reduced |
| Tudor Investment Corp Et Al | 6,000 | $753.5K | 0.01% | −99,851−94.3% | Reduced |
| Capstone Investment Advisors, LLC | 5,986 | $751.8K | 0.01% | −1,081−15.3% | Reduced |
| Northwestern Mutual Wealth Management Co | 5,803 | $728.8K | 0.00% | +271+4.9% | Added |
| Ontario Teachers Pension Plan Board | 5,786 | $726.7K | 0.02% | −5,063−46.7% | Reduced |
| Gifford Fong Associates | 5,750 | $722.0K | 0.17% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 5,713 | $717.5K | 0.01% | −671−10.5% | Reduced |
| Everence Capital Management Inc | 5,690 | $715.0K | 0.05% | +1,330+30.5% | Added |
| Greenleaf Trust | 5,669 | $712.0K | 0.01% | +2,714+91.8% | Added |
| North Star Investment Management Corp. | 5,622 | $706.1K | 0.05% | 00.0% | Unchanged |
| Tocqueville Asset Management L.P. | 5,587 | $701.7K | 0.01% | −1,093−16.4% | Reduced |
| Hills Bank & Trust Co | 5,586 | $701.5K | 0.04% | +829+17.4% | Added |