| Zacks Investment Management, Inc. | Chicago, IL | $14.59B | 2 |
| Zhang Financial LLC | Portage, MI | $8.37B | — |
| Zais Group LLC | Holmdel, NJ | $5.26B | 26 |
| Zimmer Partners, LP | New York, NY | $5.24B | 4 |
| Zevenbergen Capital Investments LLC | Edmonds, WA | $4.57B | — |
| Zwj Investment Counsel Inc | Atlanta, GA | $4.23B | — |
| Z Capital Group, L.L.C. | New York, NY | $3.05B | 25 |
| Zemenick & Walker Inc | St. Louis, MO | $2.63B | — |
| Zmc Advisors, L.P. | New York, NY | $2.58B | 11 |
| Zuckerman Investment Group, LLC | Chicago, IL | $2.17B | 1 |
| Zanbato Advisors LLC | Mountain View, CA | $2.08B | 58 |
| Zazove Associates LLC | Incline Village, NV | $1.97B | 5 |
| Zweig-Dimenna Associates LLC | New York, NY | $1.63B | 4 |
| Zenyth Advisors LLC | New York, NY | $1.54B | 5 |
| Zbs Partners, LLC | New York, NY | $1.41B | 8 |
| Zentific Investment Management Limited | Hong Kong | $1.29B | 1 |
| Zadig Asset Management S.A. | Strassen | $1.25B | — |
| Zevin Asset Management, LLC | Boston, MA | $1.02B | — |
| Zenith Am | Paris | $963.6M | — |
| Zions Capital Advisors, Inc. | Salt Lake City, UT | $830.8M | — |
| Zanetti Financial, LLC | Albuquerque, NM | $809.4M | — |
| Zega Investments, LLC | Palm Beach Gardens, FL | $614M | — |
| Zuraw Financial Advisors, LLC | Greensboro, NC | $519.9M | — |
| Zimmerman Wealth Management, LLC | Evanston, IL | $472.4M | — |
| Z3 Capital Partners, LLC | Richmond, VA | $466.8M | — |
| Zarvona Energy LLC | Houston, TX | $423.1M | 5 |
| Zullo Investment Group, Inc. | Scranton, PA | $423M | — |
| Zuna, LLC | Portland, OR | $411.3M | — |
| Zoe Financial, Inc. | New York, NY | $283.5M | — |
| Zephyr Management, L.P. | New York, NY | $256.3M | 27 |
| Zephyr Investment Management, Inc. | Westlake Village, CA | $242.8M | — |
| Zimmermann Alan L | | $209.2M | — |
| Zermatt Wealth, LLC | San Diego, CA | $206.9M | — |
| Zock Robert a & Co Inc | Sutton, NH | $175.1M | — |
| Zynergy Retirement Planning | Red Bank, NJ | $173M | — |
| Zeit Capital LLC | | $170.1M | — |
| Zinnia Wealth Advisory, LLC | Ocala, FL | $168.8M | — |
| Zidel Financial, Inc. | Breckenridge, CO | $159.6M | — |
| Zermatt Wealth Partners LLC | San Diego, CA | $158.4M | — |
| Zenith Solutions, Inc. | Philadelphia, PA | $151M | — |
| Zuckerman Capital Management, LLC | Los Angeles, CA | $123.5M | — |
| Zenith Advisory Group, LLC | The Villages, FL | $115.4M | — |
| Zest Capital LLC | Miami, FL | $90.6M | — |
| Zero Day Capital Enterprises LLC | | $30.7M | — |
| Zacks Intelligence LLC | Chicago, IL | $2 | — |
| Zenit Wealth Advisors, Inc. | Piantini, Santo Domingo | — | — |
| Zulauf Asset Management AG | Baar | — | — |
| Zai Technologies LLC | Thousand Oaks, CA | — | — |