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, Q4 2024
Institutional positions in Biogen Inc. as of Dec 31, 2024. 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
- 879
- −27 vs. Q3 2024
- Shares held
- 132.4M
- +2.79M (+2.2%) vs. Q3 2024
- Total value
- $20.2B
- −$4.80B (−19.2%) vs. Q3 2024
- New holders
- 133
- 300 more added
- Sold out
- 160
- 322 more reduced
15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Biogen Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caption Management, LLC | 13,875 | $2.12M | 0.09% | +12,095+679.5% | Added |
| Mizuho Securities USA LLC | 13,811 | $2.11M | 0.04% | +4,366+46.2% | Added |
| Parallax Volatility Advisers, L.P. | 13,690 | $2.09M | 0.05% | −698−4.9% | Reduced |
| Graham Capital Management, L.P. | 13,357 | $2.04M | 0.06% | +13,357 | New |
| Cetera Investment Advisers | 13,269 | $2.03M | 0.00% | +400+3.1% | Added |
| Blair William & Co | 13,049 | $2.00M | 0.01% | +894+7.4% | Added |
| Farmers Trust Co | 12,849 | $1.96M | 0.37% | +12,849 | New |
| Stifel Financial Corp | 12,756 | $1.95M | 0.00% | −34,798−73.2% | Reduced |
| Oregon Public Employees Retirement Fund | 12,488 | $1.91M | 0.04% | +52+0.4% | Added |
| Janney Montgomery Scott LLC | 12,321 | $1.88M | 0.01% | −1,218−9.0% | Reduced |
| Inspire Trust Co, N.A. | 12,300 | $1.88M | 0.48% | +1,400+12.8% | Added |
| MYDA Advisors LLC | 12,000 | $1.84M | 0.52% | +12,000 | New |
| Evoke Wealth, LLC | 11,568 | $1.77M | 0.05% | +112+1.0% | Added |
| Federation des caisses Desjardins du Quebec | 11,396 | $1.74M | 0.01% | +1,292+12.8% | Added |
| First Foundation Advisors | 11,352 | $1.74M | 0.07% | +2,800+32.7% | Added |
| Gulf International Bank (UK) Ltd | 11,323 | $1.73M | 0.04% | −115−1.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 10,912 | $1.67M | 0.01% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 10,719 | $1.64M | 0.05% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 10,703 | $1.64M | 0.01% | −321−2.9% | Reduced |
| Eisler Capital Management Ltd. | 10,611 | $1.59M | 0.05% | +10,611 | New |
| E Fund Management Co., Ltd. | 10,227 | $1.56M | 0.08% | +2,166+26.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 10,128 | $1.55M | 0.02% | +2,767+37.6% | Added |
| Tower Research Capital LLC (TRC) | 10,119 | $1.55M | 0.03% | +4,163+69.9% | Added |
| Walleye Capital LLC | 10,040 | $1.54M | 0.01% | +5,387+115.8% | Added |
| Kentucky Retirement Systems | 10,010 | $1.53M | 0.05% | −138−1.4% | Reduced |
| TD Waterhouse Canada Inc. | 9,760 | $1.49M | 0.01% | −1,575−13.9% | Reduced |
| Canada Post Corp Registered Pension Plan | 9,718 | $1.49M | 0.09% | +9,718 | New |
| Captrust Financial Advisors | 9,712 | $1.49M | 0.00% | +3,218+49.6% | Added |
| Groupama Asset Managment | 9,872 | $1.48M | 0.03% | −10,650−51.9% | Reduced |
| Truist Financial Corp | 9,673 | $1.48M | 0.00% | −27,073−73.7% | Reduced |
| Intech Investment Management LLC | 9,250 | $1.41M | 0.01% | +9,250 | New |
| Money Concepts Capital Corp | 9,178 | $1.40M | 0.10% | +63+0.7% | Added |
| Provident Co of the Employees of the Hebrew University LTD | 9,059 | $1.38M | 1.61% | +4,416+95.1% | Added |
| Thor Investment Management Inc | 8,970 | $1.37M | 1.06% | +260+3.0% | Added |
| Hartford Investment Management Co | 8,958 | $1.37M | 0.04% | −174−1.9% | Reduced |
| Advisor Group Holdings, Inc. | 8,954 | $1.37M | 0.00% | −2,176−19.6% | Reduced |
| Quantitative Investment Management, LLC | 8,918 | $1.36M | 0.10% | +8,918 | New |
| Dohj, LLC | 8,753 | $1.34M | 0.31% | −737−7.8% | Reduced |
| PEAK6 LLC | 8,751 | $1.34M | 0.05% | +8,751 | New |
| Baird Financial Group, Inc. | 8,660 | $1.32M | 0.00% | −20,782−70.6% | Reduced |
| Sterling Capital Management LLC | 8,636 | $1.32M | 0.02% | +3,071+55.2% | Added |
| Twin Capital Management Inc | 8,513 | $1.30M | 0.14% | +63+0.7% | Added |
| HighTower Advisors, LLC | 8,385 | $1.28M | 0.00% | −3,047−26.7% | Reduced |
| Cairn Investment Group, Inc. | 8,363 | $1.28M | 0.75% | −3,153−27.4% | Reduced |
| Cornercap Investment Counsel Inc | 8,239 | $1.26M | 0.41% | +1,174+16.6% | Added |
| Symmetry Investments LP | 8,070 | $1.23M | 0.07% | +8,070 | New |
| Maryland State Retirement & Pension System | 8,064 | $1.23M | 0.03% | −240−2.9% | Reduced |
| Norinchukin Bank, The | 8,032 | $1.23M | 0.03% | +711+9.7% | Added |
| Whittier Trust Co of Nevada Inc | 7,832 | $1.20M | 0.03% | −77−1.0% | Reduced |
| PKO Investment Management Joint-Stock Co | 7,800 | $1.19M | 0.15% | +1,300+20.0% | Added |
| Securian Asset Management, Inc | 7,696 | $1.18M | 0.03% | −300−3.8% | Reduced |
| Keybank National Association | 7,633 | $1.17M | 0.00% | −106−1.4% | Reduced |
| Premier Path Wealth Partners, LLC | 7,556 | $1.16M | 0.18% | +1,548+25.8% | Added |
| MML Investors Services, LLC | 7,515 | $1.15M | 0.00% | −2,765−26.9% | Reduced |
| Marex Group plc | 7,492 | $1.15M | 0.02% | +3,625+93.7% | Added |
| Level Four Advisory Services, LLC | 7,469 | $1.14M | 0.05% | −2,828−27.5% | Reduced |
| Harvest Fund Management Co., Ltd | 8,576 | $1.12M | 0.05% | +1,866+27.8% | Added |
| Guardian Investment Management | 7,300 | $1.12M | 0.81% | −2,865−28.2% | Reduced |
| Ci Investments Inc. | 7,156 | $1.09M | 0.00% | +1,302+22.2% | Added |
| Brevan Howard Capital Management LP | 7,138 | $1.09M | 0.03% | +6,064+564.6% | Added |
| Commerce Bank | 7,085 | $1.08M | 0.01% | −2,830−28.5% | Reduced |
| Linden Thomas Advisory Services, LLC | 7,027 | $1.07M | 0.14% | −455−6.1% | Reduced |
| Varma Mutual Pension Insurance Co | 7,000 | $1.07M | 0.01% | −34,608−83.2% | Reduced |
| Metis Global Partners, LLC | 6,995 | $1.07M | 0.03% | −1,379−16.5% | Reduced |
| New Mexico Educational Retirement Board | 6,924 | $1.06M | 0.04% | −200−2.8% | Reduced |
| Mogy Joel R Investment Counsel Inc | 6,860 | $1.05M | 0.06% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 6,846 | $1.05M | 0.01% | +754+12.4% | Added |
| Orion Portfolio Solutions, LLC | 6,846 | $1.05M | 0.01% | +754+12.4% | Added |
| Fuller & Thaler Asset Management, Inc. | 6,788 | $1.04M | 0.00% | +2,053+43.4% | Added |
| Allspring Global Investments Holdings, LLC | 6,843 | $1.03M | 0.00% | +183+2.7% | Added |
| Win Advisors, Inc | 6,686 | $1.02M | 0.49% | +6,686 | New |
| Advisors Asset Management, Inc. | 6,623 | $1.01M | 0.02% | −73−1.1% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 6,614 | $1.01M | 0.01% | −557−7.8% | Reduced |
| Mercer Global Advisors Inc | 6,475 | $990.1K | 0.00% | +779+13.7% | Added |
| E. Ohman J:or Asset Management AB | 6,399 | $978.5K | 0.02% | +800+14.3% | Added |
| Pensionmark Financial Group, LLC | 6,311 | $965.1K | 0.03% | +545+9.5% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,479 | $963.8K | 0.01% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 6,284 | $961.0K | 0.01% | +3,215+104.8% | Added |
| Crowley Wealth Management, Inc. | 6,175 | $944.3K | 0.83% | +6,175 | New |
| Ameritas Investment Partners, Inc. | 6,056 | $926.1K | 0.03% | +141+2.4% | Added |
| Omers Administration Corp | 6,044 | $924.2K | 0.01% | +1,015+20.2% | Added |
| Private Advisor Group, LLC | 5,897 | $901.8K | 0.01% | −3,748−38.9% | Reduced |
| Inceptionr LLC | 5,805 | $887.7K | 0.20% | −889−13.3% | Reduced |
| Gifford Fong Associates | 5,750 | $879.0K | 0.22% | 00.0% | Unchanged |
| Court Place Advisors, LLC | 5,688 | $869.7K | 0.28% | −2,913−33.9% | Reduced |
| Pallas Capital Advisors LLC | 5,651 | $864.2K | 0.04% | +3,095+121.1% | Added |
| North Star Investment Management Corp. | 5,622 | $859.7K | 0.06% | 00.0% | Unchanged |
| Machina Capital S.A.S. | 5,605 | $857.1K | 0.36% | +461+9.0% | Added |
| Northwestern Mutual Wealth Management Co | 5,355 | $818.9K | 0.00% | −1,314−19.7% | Reduced |
| Unison Advisors LLC | 5,078 | $776.5K | 0.09% | 00.0% | Unchanged |
| Greenleaf Trust | 5,065 | $774.5K | 0.01% | +2,459+94.4% | Added |
| Spears Abacus Advisors LLC | 5,055 | $773.0K | 0.02% | 00.0% | Unchanged |
| Empirical Finance, LLC | 5,015 | $766.9K | 0.04% | −55−1.1% | Reduced |
| Jones Financial Companies LLLP | 4,965 | $759.2K | 0.00% | +1,346+37.2% | Added |
| United Capital Financial Advisers, LLC | 4,874 | $745.4K | 0.01% | −82,501−94.4% | Reduced |
| Systematic Financial Management LP | 4,670 | $714.1K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 4,626 | $707.4K | 0.02% | +10+0.2% | Added |
| Brown Brothers Harriman & Co | 4,613 | $705.4K | 0.00% | −358−7.2% | Reduced |
| Hillsdale Investment Management Inc. | 4,610 | $705.0K | 0.04% | +4,610 | New |
| Howard Capital Management Inc. | 4,602 | $703.7K | 0.01% | +153+3.4% | Added |