| Parametric Portfolio Associates LLC | Seattle | $684.78B | 12 |
| Russell Investments Implementation Services, LLC | Seattle | $81.09B | — |
| Russell Investment Management, LLC | Seattle | $68.6B | 1 |
| Russell Investments Capital, LLC | Seattle | $35.03B | 43 |
| Invesco Managed Accounts, LLC | Seattle | $31.28B | — |
| Bentallgreenoak (u.s.) Limited Partnership | Seattle | $24.07B | 24 |
| Himalaya Capital Management LLC | Seattle | $21.39B | 1 |
| Brighton Jones LLC | Seattle | $18.88B | 5 |
| Freestone Capital Management, LLC | Seattle | $14.54B | 14 |
| Coldstream Capital Management Inc | Bellevue | $13.93B | 1 |
| Pugh Capital Management, Inc. | Seattle | $12.82B | 1 |
| Laird Norton Wetherby Wealth Management, LLC | Seattle | $12.18B | 3 |
| Silver Creek Advisory Partners LLC | Seattle | $10.2B | 26 |
| Saturna Capital Corporation | Bellingham | $8.62B | — |
| Empirical Financial Services, LLC | Seattle | $8.43B | 1 |
| Frazier Management, L.L.C. | Seattle | $7.72B | 25 |
| Washington Capital Management Inc | Seattle | $7.4B | 10 |
| Cercano Management LLC | Bellevue | $7.28B | 29 |
| Badgley Phelps Wealth Managers, LLC | Seattle | $7.28B | — |
| Evergreen Capital Management LLC | Bellevue | $7.19B | 8 |
| Moss Adams Wealth Advisors LLC | Bellevue | $5.77B | — |
| Zevenbergen Capital Investments LLC | Edmonds | $4.57B | — |
| Nwam, LLC | Mercer Island | $4.13B | — |
| Strategic Income Management, LLC | Seattle | $3.14B | — |
| Parcion Private Wealth LLC | Bellevue | $2.95B | — |
| Inatai Investment Management Co. LLC | Seattle | $2.69B | 3 |
| Garde Capital, Inc. | Seattle | $2.65B | — |
| Aerie Advisory Group LLC | Gig Harbor | $2.52B | — |
| Steelhead Partners,llc | Seattle | $2.51B | 2 |
| Ddd Partners, LLC | Bellevue | $2.39B | 1 |
| Milliman Advisors, LLC | Seattle | $2.32B | — |
| Kosmos Management LLC | Seattle | $2.21B | 13 |
| Kiley Juergens Wealth Management, LLC | Olympia | $2.2B | — |
| Private Advisory Group LLC | Redmond | $2.14B | — |
| Goldfinch Partners LP | Bellevue | $2.09B | 7 |
| Bensler, LLC | Bellevue | $1.94B | — |
| First Pacific Financial, Inc. | Vancouver | $1.93B | — |
| D'Annunzio Consulting Group, LLC | Tacoma | $1.9B | — |
| Clear Creek Financial Management, LLC | Silverdale | $1.86B | — |
| Sloy, Dahl & Holst, LLC | Vancouver | $1.8B | — |
| Auxano Advisors, LLC | Bellevue | $1.78B | — |
| Financial Plan, Inc. | Bellingham | $1.6B | — |
| Petersen Hastings Wealth Advisors, Inc. | Kennewick | $1.58B | — |
| Altravue Capital, LLC | Bellevue | $1.54B | 2 |
| Acuitas Investments, LLC | Seattle | $1.48B | 2 |
| Martel Wealth Advisors Inc | Vancouver | $1.46B | — |
| Columbia Pacific Advisors, LLC | Seattle | $1.46B | 11 |
| Leader Capital Corp. | Vancouver | $1.41B | — |
| Greene Wealth Management, LLC | Seattle | $1.41B | — |
| McIlrath & Eck, LLC | Arlington | $1.36B | — |