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 |
|---|---|---|---|---|---|
| Tocqueville Asset Management L.P. | 6,680 | $914.1K | 0.01% | −17,160−72.0% | 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 |
| New Mexico Educational Retirement Board | 6,824 | $934.0K | 0.03% | −100−1.4% | Reduced |
| Vident Advisory, LLC | 6,830 | $934.6K | 0.01% | +5,444+392.8% | Added |
| Neuberger Berman Group LLC | 6,890 | $942.8K | 0.00% | +3,448+100.2% | Added |
| Commerce Bank | 6,963 | $952.8K | 0.01% | −122−1.7% | Reduced |
| Empowered Funds, LLC | 7,054 | $965.3K | 0.01% | +2,777+64.9% | Added |
| Capstone Investment Advisors, LLC | 7,067 | $967.0K | 0.01% | −18,979−72.9% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 7,641 | $991.7K | 0.05% | +7,641 | New |
| Brown Advisory Inc | 7,257 | $993.0K | 0.00% | −340,309−97.9% | Reduced |
| Guardian Investment Management | 7,300 | $998.9K | 0.85% | 00.0% | Unchanged |
| Koss-Olinger Consulting, LLC | 7,298 | $999.0K | 0.08% | +7,298 | New |
| 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 |
| Intech Investment Management LLC | 7,504 | $1.03M | 0.01% | −1,746−18.9% | Reduced |
| Keybank National Association | 7,511 | $1.03M | 0.00% | −122−1.6% | Reduced |
| Ethic Inc. | 7,855 | $1.04M | 0.02% | −7,057−47.3% | Reduced |
| Jones Financial Companies LLLP | 7,515 | $1.04M | 0.00% | +2,550+51.4% | Added |
| Linden Thomas Advisory Services, LLC | 7,689 | $1.05M | 0.14% | +662+9.4% | Added |
| Securian Asset Management, Inc | 7,696 | $1.05M | 0.03% | 00.0% | Unchanged |
| Magnetar Financial LLC | 7,719 | $1.06M | 0.01% | +5,842+311.2% | Added |
| Whittier Trust Co of Nevada Inc | 7,746 | $1.06M | 0.03% | −86−1.1% | Reduced |
| Advisor Group Holdings, Inc. | 7,794 | $1.07M | 0.00% | −1,160−13.0% | Reduced |
| PKO Investment Management Joint-Stock Co | 7,800 | $1.07M | 0.12% | 00.0% | Unchanged |
| Cinctive Capital Management LP | 7,894 | $1.08M | 0.09% | +7,894 | New |
| Gulf International Bank (UK) Ltd | 7,924 | $1.08M | 0.04% | −3,399−30.0% | Reduced |
| MML Investors Services, LLC | 7,943 | $1.09M | 0.00% | +428+5.7% | Added |
| Groupama Asset Managment | 7,932 | $1.10M | 0.02% | −1,940−19.7% | Reduced |
| Sterling Capital Management LLC | 8,101 | $1.11M | 0.02% | −535−6.2% | Reduced |
| Cornercap Investment Counsel Inc | 8,111 | $1.11M | 0.58% | −128−1.6% | Reduced |
| Quest Partners LLC | 8,327 | $1.14M | 0.12% | −12,504−60.0% | Reduced |
| Cairn Investment Group, Inc. | 8,356 | $1.14M | 0.65% | −7−0.1% | Reduced |
| Brevan Howard Capital Management LP | 8,416 | $1.15M | 0.03% | +1,278+17.9% | Added |
| Dohj, LLC | 8,592 | $1.18M | 0.27% | −161−1.8% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 8,668 | $1.19M | 0.00% | +1,880+27.7% | Added |
| Premier Path Wealth Partners, LLC | 8,712 | $1.19M | 0.19% | +1,156+15.3% | Added |
| Truist Financial Corp | 8,802 | $1.20M | 0.00% | −871−9.0% | Reduced |
| Hartford Investment Management Co | 8,867 | $1.21M | 0.04% | −91−1.0% | Reduced |
| Mercer Global Advisors Inc | 8,925 | $1.22M | 0.00% | +2,450+37.8% | Added |
| Merit Financial Group, LLC | 8,997 | $1.23M | 0.02% | +6,066+207.0% | Added |
| Fox Run Management, L.L.C. | 9,114 | $1.25M | 0.19% | +9,114 | New |
| Harvest Fund Management Co., Ltd | 9,246 | $1.26M | 0.06% | +670+7.8% | Added |
| ExodusPoint Capital Management, LP | 9,482 | $1.30M | 0.02% | +9,482 | New |
| Baird Financial Group, Inc. | 9,683 | $1.33M | 0.00% | +1,023+11.8% | Added |
| Banque Cantonale Vaudoise | 9,832 | $1.34M | 0.06% | +9,832 | New |
| Kentucky Retirement Systems | 9,945 | $1.36M | 0.04% | −65−0.6% | Reduced |
| J. Safra Sarasin Holding AG | 10,009 | $1.37M | 0.02% | −52,864−84.1% | Reduced |
| Colony Group, LLC | 10,173 | $1.39M | 0.00% | +6,395+169.3% | Added |
| SIH Partners, LLLP | 10,414 | $1.43M | 0.13% | +10,414 | New |
| Allspring Global Investments Holdings, LLC | 10,862 | $1.43M | 0.00% | +4,019+58.7% | Added |
| Metis Global Partners, LLC | 10,652 | $1.46M | 0.04% | +3,657+52.3% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 10,719 | $1.47M | 0.04% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 10,743 | $1.47M | 0.01% | −653−5.7% | Reduced |
| Ontario Teachers Pension Plan Board | 10,849 | $1.48M | 0.02% | +10,849 | New |
| Thor Investment Management Inc | 10,971 | $1.50M | 1.10% | +2,001+22.3% | Added |
| Walleye Trading LLC | 11,191 | $1.53M | 0.04% | +11,191 | New |
| Teachers Retirement System of the State of Kentucky | 11,213 | $1.53M | 0.01% | +301+2.8% | Added |
| Twin Capital Management Inc | 11,542 | $1.58M | 0.18% | +3,029+35.6% | Added |
| Campbell & CO Investment Adviser LLC | 11,573 | $1.58M | 0.12% | −18,936−62.1% | Reduced |
| Norinchukin Bank, The | 11,574 | $1.58M | 0.03% | +3,542+44.1% | Added |
| Pathstone Holdings, LLC | 11,713 | $1.60M | 0.01% | +1,010+9.4% | Added |
| Public Employees Retirement Association of Colorado | 11,669 | $1.60M | 0.01% | −7,374−38.7% | Reduced |
| SummitTX Capital, L.P. | 11,682 | $1.60M | 0.07% | +11,682 | New |
| HighTower Advisors, LLC | 11,697 | $1.60M | 0.00% | +3,312+39.5% | Added |
| Mizuho Securities USA LLC | 11,720 | $1.60M | 0.03% | −2,091−15.1% | Reduced |
| Clark Estates Inc | 11,796 | $1.61M | 0.34% | −4,504−27.6% | Reduced |
| Evoke Wealth, LLC | 11,830 | $1.62M | 0.04% | +262+2.3% | Added |
| Fred Alger Management, LLC | 12,159 | $1.66M | 0.01% | +12,159 | New |
| M&T Bank Corp | 12,302 | $1.68M | 0.01% | −2,207−15.2% | Reduced |
| Group One Trading, L.P. | 12,377 | $1.69M | 0.07% | −45,544−78.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 12,482 | $1.71M | 0.02% | +2,354+23.2% | Added |
| Provident Co of the Employees of the Hebrew University LTD | 12,529 | $1.71M | 1.97% | +3,470+38.3% | Added |
| Captrust Financial Advisors | 12,582 | $1.72M | 0.00% | +2,870+29.6% | Added |
| Oregon Public Employees Retirement Fund | 12,598 | $1.72M | 0.03% | +110+0.9% | Added |
| Cetera Investment Advisers | 12,608 | $1.73M | 0.00% | −661−5.0% | Reduced |
| Blair William & Co | 13,283 | $1.82M | 0.01% | +234+1.8% | Added |
| Pallas Capital Advisors LLC | 13,345 | $1.83M | 0.08% | +7,694+136.2% | Added |
| E Fund Management Co., Ltd. | 13,387 | $1.83M | 0.09% | +3,160+30.9% | Added |
| Auxier Asset Management | 13,547 | $1.85M | 0.28% | −499−3.6% | Reduced |
| Gabelli Funds LLC | 14,100 | $1.93M | 0.01% | 00.0% | Unchanged |
| Sprucegrove Investment Management Ltd | 14,110 | $1.93M | 0.21% | −83,745−85.6% | Reduced |
| Quantbot Technologies LP | 14,137 | $1.93M | 0.06% | +11,665+471.9% | Added |
| Kovitz Investment Group Partners, LLC | 14,216 | $1.95M | 0.01% | +10,318+264.7% | Added |
| Inspire Trust Co, N.A. | 14,300 | $1.96M | 0.47% | +2,000+16.3% | Added |
| Aigen Investment Management, LP | 14,365 | $1.97M | 0.31% | +14,365 | New |
| Qsemble Capital Management, LP | 14,467 | $1.98M | 0.21% | +11,406+372.6% | Added |
| Stoneridge Investment Partners LLC | 14,599 | $2.00M | 1.69% | −19,200−56.8% | Reduced |
| Thrivent Financial for Lutherans | 14,651 | $2.00M | 0.00% | −1,185−7.5% | Reduced |
| Avanza Fonder AB | 15,287 | $2.01M | 0.07% | −249−1.6% | Reduced |
| Ostrum Asset Management | 14,708 | $2.01M | 0.11% | −173−1.2% | Reduced |
| Tower Research Capital LLC (TRC) | 8,225 | $2.02M | 0.06% | −1,894−18.7% | Reduced |
| Farmers Trust Co | 14,861 | $2.03M | 0.38% | +2,012+15.7% | Added |
| OP Asset Management Ltd | 15,435 | $2.11M | 0.04% | +15,435 | New |
| LMR Partners LLP | 15,802 | $2.16M | 0.04% | +1,302+9.0% | Added |
| Vontobel Holding Ltd. | 15,939 | $2.18M | 0.01% | +677+4.4% | Added |
| Beacon Investment Advisory Services, Inc. | 16,080 | $2.20M | 0.10% | −3,529−18.0% | Reduced |
| Level Four Advisory Services, LLC | 16,154 | $2.21M | 0.09% | +8,685+116.3% | Added |
| Bank of Nova Scotia | 16,311 | $2.23M | 0.01% | −4,241−20.6% | Reduced |
| Quantinno Capital Management LP | 16,726 | $2.29M | 0.01% | +10,442+166.2% | Added |