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, Q1 2025
Institutional positions in Biogen Inc. as of Mar 31, 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
- 882
- +16 vs. Q4 2024
- Shares held
- 129.8M
- −2.03M (−1.5%) vs. Q4 2024
- Total value
- $17.7B
- −$2.41B (−11.9%) vs. Q4 2024
- New holders
- 123
- 331 more added
- Sold out
- 107
- 273 more reduced
13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sprucegrove Investment Management Ltd | 14,110 | $1.93M | 0.21% | −83,745−85.6% | Reduced |
| Gabelli Funds LLC | 14,100 | $1.93M | 0.01% | 00.0% | Unchanged |
| Auxier Asset Management | 13,547 | $1.85M | 0.28% | −499−3.6% | Reduced |
| E Fund Management Co., Ltd. | 13,387 | $1.83M | 0.09% | +3,160+30.9% | Added |
| Pallas Capital Advisors LLC | 13,345 | $1.83M | 0.08% | +7,694+136.2% | Added |
| Blair William & Co | 13,283 | $1.82M | 0.01% | +234+1.8% | Added |
| Cetera Investment Advisers | 12,608 | $1.73M | 0.00% | −661−5.0% | Reduced |
| Oregon Public Employees Retirement Fund | 12,598 | $1.72M | 0.03% | +110+0.9% | Added |
| Captrust Financial Advisors | 12,582 | $1.72M | 0.00% | +2,870+29.6% | Added |
| Provident Co of the Employees of the Hebrew University LTD | 12,529 | $1.71M | 1.97% | +3,470+38.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 12,482 | $1.71M | 0.02% | +2,354+23.2% | Added |
| Group One Trading, L.P. | 12,377 | $1.69M | 0.07% | −45,544−78.6% | Reduced |
| M&T Bank Corp | 12,302 | $1.68M | 0.01% | −2,207−15.2% | Reduced |
| Fred Alger Management, LLC | 12,159 | $1.66M | 0.01% | +12,159 | New |
| Evoke Wealth, LLC | 11,830 | $1.62M | 0.04% | +262+2.3% | Added |
| Clark Estates Inc | 11,796 | $1.61M | 0.34% | −4,504−27.6% | Reduced |
| Mizuho Securities USA LLC | 11,720 | $1.60M | 0.03% | −2,091−15.1% | Reduced |
| HighTower Advisors, LLC | 11,697 | $1.60M | 0.00% | +3,312+39.5% | Added |
| SummitTX Capital, L.P. | 11,682 | $1.60M | 0.07% | +11,682 | New |
| Public Employees Retirement Association of Colorado | 11,669 | $1.60M | 0.01% | −7,374−38.7% | Reduced |
| Pathstone Holdings, LLC | 11,713 | $1.60M | 0.01% | +1,010+9.4% | Added |
| Norinchukin Bank, The | 11,574 | $1.58M | 0.03% | +3,542+44.1% | Added |
| Campbell & CO Investment Adviser LLC | 11,573 | $1.58M | 0.12% | −18,936−62.1% | Reduced |
| Twin Capital Management Inc | 11,542 | $1.58M | 0.18% | +3,029+35.6% | Added |
| Teachers Retirement System of the State of Kentucky | 11,213 | $1.53M | 0.01% | +301+2.8% | Added |
| Walleye Trading LLC | 11,191 | $1.53M | 0.04% | +11,191 | New |
| Thor Investment Management Inc | 10,971 | $1.50M | 1.10% | +2,001+22.3% | Added |
| Ontario Teachers Pension Plan Board | 10,849 | $1.48M | 0.02% | +10,849 | New |
| Federation des caisses Desjardins du Quebec | 10,743 | $1.47M | 0.01% | −653−5.7% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 10,719 | $1.47M | 0.04% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 10,652 | $1.46M | 0.04% | +3,657+52.3% | Added |
| Allspring Global Investments Holdings, LLC | 10,862 | $1.43M | 0.00% | +4,019+58.7% | Added |
| SIH Partners, LLLP | 10,414 | $1.43M | 0.13% | +10,414 | New |
| Colony Group, LLC | 10,173 | $1.39M | 0.00% | +6,395+169.3% | Added |
| J. Safra Sarasin Holding AG | 10,009 | $1.37M | 0.02% | −52,864−84.1% | Reduced |
| Kentucky Retirement Systems | 9,945 | $1.36M | 0.04% | −65−0.6% | Reduced |
| Banque Cantonale Vaudoise | 9,832 | $1.34M | 0.06% | +9,832 | New |
| Baird Financial Group, Inc. | 9,683 | $1.33M | 0.00% | +1,023+11.8% | Added |
| ExodusPoint Capital Management, LP | 9,482 | $1.30M | 0.02% | +9,482 | New |
| Harvest Fund Management Co., Ltd | 9,246 | $1.26M | 0.06% | +670+7.8% | Added |
| Fox Run Management, L.L.C. | 9,114 | $1.25M | 0.19% | +9,114 | New |
| Merit Financial Group, LLC | 8,997 | $1.23M | 0.02% | +6,066+207.0% | Added |
| Mercer Global Advisors Inc | 8,925 | $1.22M | 0.00% | +2,450+37.8% | Added |
| Hartford Investment Management Co | 8,867 | $1.21M | 0.04% | −91−1.0% | Reduced |
| Truist Financial Corp | 8,802 | $1.20M | 0.00% | −871−9.0% | Reduced |
| Premier Path Wealth Partners, LLC | 8,712 | $1.19M | 0.19% | +1,156+15.3% | Added |
| Fuller & Thaler Asset Management, Inc. | 8,668 | $1.19M | 0.00% | +1,880+27.7% | Added |
| Dohj, LLC | 8,592 | $1.18M | 0.27% | −161−1.8% | Reduced |
| Brevan Howard Capital Management LP | 8,416 | $1.15M | 0.03% | +1,278+17.9% | Added |
| Cairn Investment Group, Inc. | 8,356 | $1.14M | 0.65% | −7−0.1% | Reduced |
| Quest Partners LLC | 8,327 | $1.14M | 0.12% | −12,504−60.0% | Reduced |
| Cornercap Investment Counsel Inc | 8,111 | $1.11M | 0.58% | −128−1.6% | Reduced |
| Sterling Capital Management LLC | 8,101 | $1.11M | 0.02% | −535−6.2% | Reduced |
| Groupama Asset Managment | 7,932 | $1.10M | 0.02% | −1,940−19.7% | Reduced |
| MML Investors Services, LLC | 7,943 | $1.09M | 0.00% | +428+5.7% | Added |
| Gulf International Bank (UK) Ltd | 7,924 | $1.08M | 0.04% | −3,399−30.0% | Reduced |
| Cinctive Capital Management LP | 7,894 | $1.08M | 0.09% | +7,894 | New |
| PKO Investment Management Joint-Stock Co | 7,800 | $1.07M | 0.12% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,794 | $1.07M | 0.00% | −1,160−13.0% | Reduced |
| Whittier Trust Co of Nevada Inc | 7,746 | $1.06M | 0.03% | −86−1.1% | Reduced |
| Magnetar Financial LLC | 7,719 | $1.06M | 0.01% | +5,842+311.2% | Added |
| Securian Asset Management, Inc | 7,696 | $1.05M | 0.03% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 7,689 | $1.05M | 0.14% | +662+9.4% | Added |
| Jones Financial Companies LLLP | 7,515 | $1.04M | 0.00% | +2,550+51.4% | Added |
| Ethic Inc. | 7,855 | $1.04M | 0.02% | −7,057−47.3% | Reduced |
| Keybank National Association | 7,511 | $1.03M | 0.00% | −122−1.6% | Reduced |
| Intech Investment Management LLC | 7,504 | $1.03M | 0.01% | −1,746−18.9% | Reduced |
| Brinker Capital Investments, LLC | 7,466 | $1.02M | 0.01% | +620+9.1% | Added |
| Orion Portfolio Solutions, LLC | 7,466 | $1.02M | 0.01% | +620+9.1% | Added |
| Koss-Olinger Consulting, LLC | 7,298 | $999.0K | 0.08% | +7,298 | New |
| Guardian Investment Management | 7,300 | $998.9K | 0.85% | 00.0% | Unchanged |
| Brown Advisory Inc | 7,257 | $993.0K | 0.00% | −340,309−97.9% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 7,641 | $991.7K | 0.05% | +7,641 | New |
| Capstone Investment Advisors, LLC | 7,067 | $967.0K | 0.01% | −18,979−72.9% | Reduced |
| Empowered Funds, LLC | 7,054 | $965.3K | 0.01% | +2,777+64.9% | Added |
| Commerce Bank | 6,963 | $952.8K | 0.01% | −122−1.7% | Reduced |
| Neuberger Berman Group LLC | 6,890 | $942.8K | 0.00% | +3,448+100.2% | Added |
| Vident Advisory, LLC | 6,830 | $934.6K | 0.01% | +5,444+392.8% | Added |
| New Mexico Educational Retirement Board | 6,824 | $934.0K | 0.03% | −100−1.4% | Reduced |
| Maryland State Retirement & Pension System | 6,809 | $931.7K | 0.02% | −1,255−15.6% | Reduced |
| Motley Fool Asset Management LLC | 6,809 | $931.7K | 0.05% | +2,676+64.7% | Added |
| Tocqueville Asset Management L.P. | 6,680 | $914.1K | 0.01% | −17,160−72.0% | Reduced |
| Ci Investments Inc. | 6,612 | $905.0K | 0.00% | −544−7.6% | Reduced |
| Investment Management Corp of Ontario | 6,578 | $900.1K | 0.02% | +2,508+61.6% | Added |
| Inceptionr LLC | 6,546 | $895.8K | 0.27% | +741+12.8% | Added |
| E. Ohman J:or Asset Management AB | 6,399 | $875.6K | 0.02% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 6,384 | $873.6K | 0.02% | −239−3.6% | Reduced |
| Missouri Trust & Investment Co | 6,325 | $865.5K | 0.30% | +2,460+63.6% | Added |
| Pensionmark Financial Group, LLC | 6,294 | $861.3K | 0.02% | −17−0.3% | Reduced |
| Mogy Joel R Investment Counsel Inc | 6,260 | $856.6K | 0.06% | −600−8.7% | Reduced |
| Ameritas Investment Partners, Inc. | 6,187 | $846.6K | 0.03% | +131+2.2% | Added |
| Jacobi Capital Management LLC | 6,011 | $822.5K | 0.06% | +2,064+52.3% | Added |
| Money Concepts Capital Corp | 5,975 | $817.6K | 0.06% | −3,203−34.9% | Reduced |
| Marshall Wace, LLP | 5,900 | $807.4K | 0.00% | −74,052−92.6% | Reduced |
| Gifford Fong Associates | 5,750 | $787.0K | 0.20% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 5,622 | $769.3K | 0.06% | 00.0% | Unchanged |
| 111 Capital | 5,620 | $769.0K | 0.15% | +5,620 | New |
| Virtu Financial LLC | 5,599 | $766.0K | 0.04% | +1,887+50.8% | Added |
| Northwestern Mutual Wealth Management Co | 5,532 | $757.0K | 0.00% | +177+3.3% | Added |
| Fifth Third Bancorp | 5,489 | $751.1K | 0.00% | +2,243+69.1% | Added |