| J.P. Morgan Investment Management Inc. | New York, NY | $3,519.41B | 239 |
| JPMorgan Asset Management (UK) Limited | London | $484.1B | 14 |
| J.P. Morgan Private Investments Inc. | New York, NY | $469.98B | 75 |
| J.P. Morgan Securities LLC | New York, NY | $429.69B | — |
| Janus Henderson Investors US LLC | Denver, CO | $380.43B | 16 |
| Jackson National Asset Management, LLC | Lansing, MI | $246.3B | — |
| Jennison Associates LLC | New York, NY | $214.84B | 12 |
| John Hancock Investment Management LLC | Boston, MA | $212.05B | — |
| JPMorgan Asset Management (asia Pacific) Limited | Hong Kong | $169.62B | — |
| Janney Montgomery Scott LLC | Philadelphia, PA | $110.11B | — |
| Jobs Peak Advisors, LLC | | $73.58B | — |
| JPMorgan Funds Limited | London | $72.4B | 2 |
| John Hancock Variable Trust Advisers LLC | Boston, MA | $68.59B | — |
| Jupiter Asset Management Limited | London | $68.22B | 3 |
| Jasper Ridge Partners, L.P. | Fort Worth, TX | $42.95B | 16 |
| Jain Global LLC | New York, NY | $32.39B | 2 |
| J.P. Morgan Alternative Asset Management, Inc. | New York, NY | $29.73B | 15 |
| Jacobs Levy Equity Management Inc | Florham Park, NJ | $28.01B | 4 |
| Jefferies Finance LLC | New York, NY | $24.59B | 50 |
| Jordan Park Group LLC | San Francisco, CA | $23.26B | 45 |
| Johnson Investment Counsel, Inc. | Cincinnati, OH | $22.98B | — |
| J O Hambro Capital Management Limited | London | $22.31B | — |
| Jmi Management, L.P. | Baltimore, MD | $13.58B | 20 |
| James Hambro & Partners LLP | London | $13.01B | — |
| Junto Capital Management LP | New York, NY | $10.52B | 1 |
| Johnson Wealth Inc. | Milwaukee, WI | $10.35B | — |
| Jericho Capital Asset Management L.P. | Los Angeles, CA | $10.11B | 7 |
| Joel Isaacson & Co., LLC | New York, NY | $9.32B | — |
| J.f. Lehman and Company LLC | New York, NY | $9.01B | 26 |
| Johcm (USA) Inc | Boston, MA | $8.91B | 7 |
| Jonathan Roberts Advisory Group, Inc. | Tampa, FL | $8.25B | — |
| Jmg Financial Group Ltd | Downers Grove, IL | $7.5B | — |
| Jll Partners LLC | New York, NY | $7.4B | 42 |
| John W. Bristol & Co., Inc. | New York, NY | $7.07B | 1 |
| Jamestown, L.P. | Atlanta, GA | $7.06B | 21 |
| JPMorgan Asset Management Natural Capital, LLC | Portland, OR | $7.02B | 3 |
| Jensen Investment Management Inc | Lake Oswego, OR | $6.48B | — |
| J. Safra Asset Management Corporation | New York City, NY | $6.26B | 7 |
| J.c. Flowers & Co. LLC | New York, NY | $6.01B | 21 |
| Jefferies Investment Advisers LLC | New York, NY | $5.15B | — |
| JV Management LLC | New York, NY | $4.98B | 19 |
| J. Goldman & Co., L.P. | New York, NY | $4.87B | 2 |
| Jfs Wealth Advisors, LLC | Hermitage, PA | $4.73B | — |
| Johnson Financial Group LLC | Denver, CO | $4.53B | 1 |
| Johnson Sterling, Inc. | Birmingham, AL | $3.9B | — |
| Jefferies Credit Management LLC | New York, NY | $3.82B | 3 |
| Jahd Management Company, LLC | Boston, MA | $3.56B | 13 |
| Jadian Capital, LP | Stamford, CT | $3.04B | 19 |
| Jb Capital LLC | Wethersfield, CT | $2.78B | — |
| Jacobi Capital Management, LLC | Pittston, PA | $2.64B | — |