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 |
|---|---|---|---|---|---|
| Crowley Wealth Management, Inc. | 6,175 | $944.3K | 0.83% | +6,175 | New |
| Quantinno Capital Management LP | 6,284 | $961.0K | 0.01% | +3,215+104.8% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 6,479 | $963.8K | 0.01% | 00.0% | Unchanged |
| Pensionmark Financial Group, LLC | 6,311 | $965.1K | 0.03% | +545+9.5% | Added |
| E. Ohman J:or Asset Management AB | 6,399 | $978.5K | 0.02% | +800+14.3% | Added |
| Mercer Global Advisors Inc | 6,475 | $990.1K | 0.00% | +779+13.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 6,614 | $1.01M | 0.01% | −557−7.8% | Reduced |
| Advisors Asset Management, Inc. | 6,623 | $1.01M | 0.02% | −73−1.1% | Reduced |
| Win Advisors, Inc | 6,686 | $1.02M | 0.49% | +6,686 | New |
| Allspring Global Investments Holdings, LLC | 6,843 | $1.03M | 0.00% | +183+2.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 6,788 | $1.04M | 0.00% | +2,053+43.4% | Added |
| 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 |
| Mogy Joel R Investment Counsel Inc | 6,860 | $1.05M | 0.06% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 6,924 | $1.06M | 0.04% | −200−2.8% | Reduced |
| Metis Global Partners, LLC | 6,995 | $1.07M | 0.03% | −1,379−16.5% | Reduced |
| Varma Mutual Pension Insurance Co | 7,000 | $1.07M | 0.01% | −34,608−83.2% | Reduced |
| Linden Thomas Advisory Services, LLC | 7,027 | $1.07M | 0.14% | −455−6.1% | Reduced |
| Commerce Bank | 7,085 | $1.08M | 0.01% | −2,830−28.5% | Reduced |
| Brevan Howard Capital Management LP | 7,138 | $1.09M | 0.03% | +6,064+564.6% | Added |
| Ci Investments Inc. | 7,156 | $1.09M | 0.00% | +1,302+22.2% | Added |
| Guardian Investment Management | 7,300 | $1.12M | 0.81% | −2,865−28.2% | Reduced |
| Harvest Fund Management Co., Ltd | 8,576 | $1.12M | 0.05% | +1,866+27.8% | Added |
| Level Four Advisory Services, LLC | 7,469 | $1.14M | 0.05% | −2,828−27.5% | Reduced |
| Marex Group plc | 7,492 | $1.15M | 0.02% | +3,625+93.7% | Added |
| MML Investors Services, LLC | 7,515 | $1.15M | 0.00% | −2,765−26.9% | Reduced |
| Premier Path Wealth Partners, LLC | 7,556 | $1.16M | 0.18% | +1,548+25.8% | Added |
| Keybank National Association | 7,633 | $1.17M | 0.00% | −106−1.4% | Reduced |
| Securian Asset Management, Inc | 7,696 | $1.18M | 0.03% | −300−3.8% | Reduced |
| PKO Investment Management Joint-Stock Co | 7,800 | $1.19M | 0.15% | +1,300+20.0% | Added |
| Whittier Trust Co of Nevada Inc | 7,832 | $1.20M | 0.03% | −77−1.0% | Reduced |
| Norinchukin Bank, The | 8,032 | $1.23M | 0.03% | +711+9.7% | Added |
| Maryland State Retirement & Pension System | 8,064 | $1.23M | 0.03% | −240−2.9% | Reduced |
| Symmetry Investments LP | 8,070 | $1.23M | 0.07% | +8,070 | New |
| Cornercap Investment Counsel Inc | 8,239 | $1.26M | 0.41% | +1,174+16.6% | Added |
| Cairn Investment Group, Inc. | 8,363 | $1.28M | 0.75% | −3,153−27.4% | Reduced |
| HighTower Advisors, LLC | 8,385 | $1.28M | 0.00% | −3,047−26.7% | Reduced |
| Twin Capital Management Inc | 8,513 | $1.30M | 0.14% | +63+0.7% | Added |
| Sterling Capital Management LLC | 8,636 | $1.32M | 0.02% | +3,071+55.2% | Added |
| Baird Financial Group, Inc. | 8,660 | $1.32M | 0.00% | −20,782−70.6% | Reduced |
| PEAK6 LLC | 8,751 | $1.34M | 0.05% | +8,751 | New |
| Dohj, LLC | 8,753 | $1.34M | 0.31% | −737−7.8% | Reduced |
| Quantitative Investment Management, LLC | 8,918 | $1.36M | 0.10% | +8,918 | New |
| Advisor Group Holdings, Inc. | 8,954 | $1.37M | 0.00% | −2,176−19.6% | Reduced |
| Hartford Investment Management Co | 8,958 | $1.37M | 0.04% | −174−1.9% | Reduced |
| Thor Investment Management Inc | 8,970 | $1.37M | 1.06% | +260+3.0% | Added |
| Provident Co of the Employees of the Hebrew University LTD | 9,059 | $1.38M | 1.61% | +4,416+95.1% | Added |
| Money Concepts Capital Corp | 9,178 | $1.40M | 0.10% | +63+0.7% | Added |
| Intech Investment Management LLC | 9,250 | $1.41M | 0.01% | +9,250 | New |
| Truist Financial Corp | 9,673 | $1.48M | 0.00% | −27,073−73.7% | Reduced |
| Groupama Asset Managment | 9,872 | $1.48M | 0.03% | −10,650−51.9% | Reduced |
| Captrust Financial Advisors | 9,712 | $1.49M | 0.00% | +3,218+49.6% | Added |
| Canada Post Corp Registered Pension Plan | 9,718 | $1.49M | 0.09% | +9,718 | New |
| TD Waterhouse Canada Inc. | 9,760 | $1.49M | 0.01% | −1,575−13.9% | Reduced |
| Kentucky Retirement Systems | 10,010 | $1.53M | 0.05% | −138−1.4% | Reduced |
| Walleye Capital LLC | 10,040 | $1.54M | 0.01% | +5,387+115.8% | Added |
| Tower Research Capital LLC (TRC) | 10,119 | $1.55M | 0.03% | +4,163+69.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 10,128 | $1.55M | 0.02% | +2,767+37.6% | Added |
| E Fund Management Co., Ltd. | 10,227 | $1.56M | 0.08% | +2,166+26.9% | Added |
| Eisler Capital Management Ltd. | 10,611 | $1.59M | 0.05% | +10,611 | New |
| Pathstone Holdings, LLC | 10,703 | $1.64M | 0.01% | −321−2.9% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 10,719 | $1.64M | 0.05% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 10,912 | $1.67M | 0.01% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 11,323 | $1.73M | 0.04% | −115−1.0% | Reduced |
| First Foundation Advisors | 11,352 | $1.74M | 0.07% | +2,800+32.7% | Added |
| Federation des caisses Desjardins du Quebec | 11,396 | $1.74M | 0.01% | +1,292+12.8% | Added |
| Evoke Wealth, LLC | 11,568 | $1.77M | 0.05% | +112+1.0% | Added |
| MYDA Advisors LLC | 12,000 | $1.84M | 0.52% | +12,000 | New |
| Inspire Trust Co, N.A. | 12,300 | $1.88M | 0.48% | +1,400+12.8% | Added |
| Janney Montgomery Scott LLC | 12,321 | $1.88M | 0.01% | −1,218−9.0% | Reduced |
| Oregon Public Employees Retirement Fund | 12,488 | $1.91M | 0.04% | +52+0.4% | Added |
| Stifel Financial Corp | 12,756 | $1.95M | 0.00% | −34,798−73.2% | Reduced |
| Farmers Trust Co | 12,849 | $1.96M | 0.37% | +12,849 | New |
| Blair William & Co | 13,049 | $2.00M | 0.01% | +894+7.4% | Added |
| Cetera Investment Advisers | 13,269 | $2.03M | 0.00% | +400+3.1% | Added |
| Graham Capital Management, L.P. | 13,357 | $2.04M | 0.06% | +13,357 | New |
| Parallax Volatility Advisers, L.P. | 13,690 | $2.09M | 0.05% | −698−4.9% | Reduced |
| Mizuho Securities USA LLC | 13,811 | $2.11M | 0.04% | +4,366+46.2% | Added |
| Caption Management, LLC | 13,875 | $2.12M | 0.09% | +12,095+679.5% | Added |
| Leo Wealth, LLC | 13,932 | $2.13M | 0.19% | −7−0.1% | Reduced |
| Auxier Asset Management | 14,046 | $2.15M | 0.33% | −2,136−13.2% | Reduced |
| Gabelli Funds LLC | 14,100 | $2.16M | 0.02% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 14,446 | $2.21M | 0.16% | +10,039+227.8% | Added |
| LMR Partners LLP | 14,500 | $2.22M | 0.04% | +6,379+78.5% | Added |
| M&T Bank Corp | 14,509 | $2.22M | 0.01% | −1,724−10.6% | Reduced |
| Marathon Trading Investment Management LLC | 14,533 | $2.22M | 0.37% | +14,533 | New |
| Ostrum Asset Management | 14,881 | $2.28M | 0.20% | −7,023−32.1% | Reduced |
| Ethic Inc. | 14,912 | $2.28M | 0.05% | +7,743+108.0% | Added |
| Synovus Financial Corp | 14,954 | $2.29M | 0.03% | +492+3.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 15,148 | $2.32M | 0.15% | +7,970+111.0% | Added |
| Vontobel Holding Ltd. | 15,262 | $2.33M | 0.01% | +4,109+36.8% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 8,365 | $2.34M | 0.41% | +4,052+93.9% | Added |
| Old North State Wealth Management, LLC | 15,467 | $2.37M | 1.33% | +1,934+14.3% | Added |
| Avanza Fonder AB | 15,536 | $2.38M | 0.07% | +15,536 | New |
| iA Global Asset Management Inc. | 15,706 | $2.40M | 0.04% | +858+5.8% | Added |
| CWM, LLC | 15,725 | $2.40M | 0.01% | +12,440+378.7% | Added |
| Thrivent Financial for Lutherans | 15,836 | $2.42M | 0.00% | −172,817−91.6% | Reduced |
| Elo Mutual Pension Insurance Co | 16,100 | $2.46M | 0.05% | +3,216+25.0% | Added |
| Generali Asset Management SPA SGR | 16,195 | $2.48M | 0.06% | +16,195 | New |
| Clark Estates Inc | 16,300 | $2.49M | 0.48% | +150+0.9% | Added |