All 9,733 Form 5500 retirement and health plans sponsored by employers in Washington, ranked by plan assets. Page 1 of 98 — plans #1–#100. See the Washington plans overview for totals and the largest plans.
| # | Sponsor / Plan | City | Participants | Assets |
|---|---|---|---|---|
| 1 | The Boeing Co. and Consolidated Subsidiaries The Boeing Company 401(k) Retirement Plan | Seattle | 143,146 | $73.9B |
| 2 | The Boeing Co. and Consolidated Subsidiaries The Boeing Company Employee Savings Plans Master Trust Investment Account | Seattle | — | $73.5B |
| 3 | Microsoft Corporation Microsoft Corporation Savings Plus 401(k) Plan | Redmond | 123,878 | $65.6B |
| 4 | Western Conference of Teamsters Pension Trust Fund Board of Trustees |
| Seattle |
| 231,353 |
| $56.4B |
| 5 | The Boeing Co. and Consolidated Subsidiaries The Boeing Company Employee Retirement Plans Master Trust | Seattle | — | $46.2B |
| 6 | Costco Wholesale Corporation Costco 401(k) Retirement Plan | Issaquah | 212,976 | $41.0B |
| 7 | Amazon.COM Services, LLC Amazon 401(k) Plan | Seattle | 1,207,759 | $34.6B |
| 8 | Amazon.COM Services,LLC A Single-Employer Plan | North Seattle | 1,209,303 | $26.2B |
| 9 | The Boeing Co. and Consolidated Subsidiaries The Pension Value Plan for Employees of the Boeing Company | Seattle | 27,197 | $23.3B |
| 10 | The Boeing Co. and Consolidated Subsidiaries The Boeing Company Employee Retirement Plan | Seattle | 30,211 | $15.4B |
| 11 | Providence Health & Services Providence St Joseph Health Master Trust | Renton | — | $14.0B |
| 12 | Providence Health & Services 401(k) Savings Plan | Renton | 88,899 | $10.1B |
| 13 | T-Mobile USA, Inc. T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust | Bellevue | 69,015 | $9.1B |
| 14 | Providence Health & Services Providence St Joseph Health Group Custodial Account | Renton | — | $6.8B |
| 15 | Providence Health & Services Providence Health & Services 403(b) Value Plan | Renton | 39,977 | $6.5B |
| 16 | Starbucks Corporation Starbucks Corporation 401(k) Plan | Seattle | 220,791 | $4.9B |
| 17 | Washington Capital Management, Inc. Washington Capital Joint Master Trust | Seattle | — | $4.7B |
| 18 | St.Joseph Health System St. Joseph and Covenant Health Systems 401(k) Plan | Renton | 30,166 | $4.5B |
| 19 | Nordstrom, Inc. Nordstrom 401(k) Plan | Seattle | 58,257 | $4.3B |
| 20 | Board of Trustees, Locals 302 & 612 of the IUOE - Locals 302 & 612 of the IUOE - Employers Construction Industry Retirement Plan | Seattle | 7,978 | $3.3B |
| 21 | Schweitzer Engineering Laboratories, Inc. Schweitzer Engineering Laboratories, Inc. Employee Stock Ownership Plan | Pullman | 4,345 | $3.2B |
| 22 | Paccar Inc. Paccar Inc. Savings Investment Plan | Bellevue | 10,793 | $2.9B |
| 23 | Paccar Inc. Paccar Inc. Retirement Plan | Bellevue | 10,251 | $2.7B |
| 24 | Alaska Airlines, Inc. Alaska Airlines, Inc. Pilots Investment and Savings Plan | Seattle | 3,422 | $2.6B |
| 25 | Board of Trustees, Sound Retirement Trust Sound Retirement Trust | Bothell | 75,402 | $2.6B |
| 26 | Weyerhaeuser Company Weyerhaeuser 401(k) Plan | Seattle | 7,901 | $2.4B |
| 27 | The Boeing Co. and Consolidated Subsidiaries Boeing North American Retirement Plan | Seattle | 123 | $2.3B |
| 28 | Fortive Corporation Fortive Retirement Savings Plan | Everett | 9,525 | $2.1B |
| 29 | Milliman Milliman Profit Sharing and Retirement Plan | Seattle | 3,598 | $2.1B |
| 30 | Alaska Airlines, Inc. Alaska Air Group Retirement Master Trust | Seattle | — | $2.0B |
| 31 | Russell Investments Trust Company Commingled Employee Benefit Funds T 14 YEAR LDI Fixed Income Fund | Seattle | — | $1.9B |
| 32 | Board of Trustees GCIU-Employer Retirement Benefit Plan GCIU - Employer Retirement Benefit Plan | Seattle | 1,147 | $1.8B |
| 33 | Expedia, Inc. Expedia Retirement Savings Plan | Seattle | 7,584 | $1.8B |
| 34 | The Boeing Co. and Consolidated Subsidiaries Employee Retirement Income Plan - Hourly West | Seattle | 832 | $1.7B |
| 35 | Slalom, Inc. Slalom 401(k) Plan | Seattle | 8,341 | $1.6B |
| 36 | Russell Investments Trust Company 25+YEAR Strips Fixed Income Fund | Seattle | — | $1.5B |
| 37 | Weyerhaeuser Company Weyerhaeuser Pension Plan | Seattle | 2,967 | $1.5B |
| 38 | Washington Permanente Medical Group, P.C. WPMG 401(k) Retirement Savings Plan | Renton | 1,654 | $1.5B |
| 39 | BOT, Western WA Laborers-Employers Pension Trust Western Washington Laborers-Employers Pension Plan | Bothell | 10,033 | $1.5B |
| 40 | Fred Hutchinson Cancer Center Fred Hutchinson Cancer Center Retirement Savings Plan | Seattle | 6,256 | $1.5B |
| 41 | Seattle Childrens Healthcare System Seattle Children's Healthcare System Employees Retirement Plan | Seattle | 10,359 | $1.5B |
| 42 | The Boeing Co. and Consolidated Subsidiaries Employee Retirement Income Plan - Hourly East | Seattle | 1,464 | $1.4B |
| 43 | Puget Sound Energy, Inc. Investment Plan for Employees of Puget Sound Energy, Inc. | Bellevue | 3,290 | $1.3B |
| 44 | Board of Trustees, Puget Sound Electrical Workers Pension Trust Puget Sound Electrical Workers Pension Plan | Seattle | 4,745 | $1.3B |
| 45 | Perkins COIE LLP Perkins COIE Retirement and 401(k) Plan | Seattle | 1,683 | $1.3B |
| 46 | Hanford Pension and Savings Plans Committee Hanford Operations and Engineering Investment Plan | Richland | 3,817 | $1.3B |
| 47 | Russell Investments Trust Company International Fund | Seattle | — | $1.3B |
| 48 | Russell Investments Trust Company Russell Investments Russell1000 Index Fund Series | Seattle | — | $1.3B |
| 49 | BOT, WA State Plumbing and Pipefitting Industry Pension Plan WA State Plumbing and Pipefitting Industry Pension Plan | Tukwila | 5,015 | $1.3B |
| 50 | Hanford Pension & Savings Plans Committee Hanford Multi-Employer Pension Plan | Richland | 1,310 | $1.2B |
| 51 | Alaska Airlines, Inc. Alaska Airlines, Inc., Fixed Income Retirement Plan for Pilots | Seattle | 752 | $1.2B |
| 52 | Expeditors International of Washington, Inc. Expeditors International of Washington, Inc. 401(k) Plan | Seattle | 6,417 | $1.2B |
| 53 | Blue Origin, LLC Blue 401(k) Plan | Kent | 13,293 | $1.2B |
| 54 | Multicare Health System Multicare Health System 403(b) Employee Savings Plan | Tacoma | 16,756 | $1.2B |
| 55 | Providence Health & Services Providence Health & Services and Swedish Health Services Master Retirement Trust | Renton | — | $1.1B |
| 56 | F5, Inc. F5, Inc. 401(k) Profit Sharing Plan and Trust | Seattle | 2,992 | $1.1B |
| 57 | Board of Trustees, Western Metal Industry Pension Plan Western Metal Industry Pension Plan | Seattle | 1,637 | $1.0B |
| 58 | Alaska Airlines, Inc. Alaska Airlines, Inc. Flight Attendant 401(k) Plan | Seattle | 6,931 | $1.0B |
| 59 | Russell Investments Trust Company World Equity Fund | Seattle | — | $1.0B |
| 60 | Recreational Equipment, Inc. Recreational Equipment, Inc. Retirement and Profit Sharing Plan | Sumner | 13,880 | $1.0B |
| 61 | Russell Investments Trust Company 8 YEAR LDI Fixed Income Fund | Seattle | — | $986.9M |
| 62 | Russell Invest Institutional Funds LLC Large Cap U.S. Equity Index Fun Russell Investments Institutional Funds, L.L.C. Large Cap U. S. Equity Index Fund | Seattle | — | $964.7M |
| 63 | Russell Investments Trust Company Russell Investments Russell 1000 Index Fund | Seattle | — | $930.0M |
| 64 | Alaska Airlines, Inc. Alaska Airlines, Inc. COPS, MRP & Dispatch 401(k) Plan | Seattle | 6,810 | $928.7M |
| 65 | Swedish Health Services Swedish Health Services Pension Plan | Renton | 1,413 | $875.0M |
| 66 | Northwest Ironworkers Retirement Plan Board of Trustees Northwest Ironworkers Retirement Plan | Seattle | 3,183 | $854.4M |
| 67 | Zillow Group, Inc. Zillow Group 401(k) Plan | Seattle | 6,441 | $849.8M |
| 68 | Automotive Machinists Pension Trust Automotive Machinists Pension Plan | Seattle | 505 | $847.3M |
| 69 | Avista Corporation Investment & Employee Stock Ownership Plan of Avista | Spokane | 1,994 | $843.5M |
| 70 | Puget Sound Energy, Inc. Retirement Plan for Employees of Puget Sound Energy, Inc. | Bellevue | 1,805 | $830.1M |
| 71 | Board of Trustees, Pacific Coast Benefits Trust Fund Pacific Coast Benefits Trust Fund | Seattle | 49,727 | $786.3M |
| 72 | Multicare Health System Multicare Health System 401(k) Plan | Tacoma | 9,028 | $779.1M |
| 73 | Alaska Airlines, Inc. Alaska Airlines, Inc. Alaskasaver Plan | Seattle | 3,116 | $761.6M |
| 74 | Columbia Banking System, Inc. Umpqua Bank 401(k) and Profit Sharing Plan | Tacoma | 4,695 | $761.3M |
| 75 | Davis Wright Tremaine LLP Davis Wright Tremaine LLP 401(k) Profit Sharing Plan | Seattle | 1,468 | $747.7M |
| 76 | Hanford Pension and Savings Plans Committee Hanford Contractors Multi-Employer Savings Plan for Hamtc Represented Employees | Richland | 3,427 | $710.3M |
| 77 | Confluence Health Confluence Health 401(k) Plan | Wenatchee | 3,651 | $697.1M |
| 78 | Russell Investments Trust Company Emerging Markets Fund | Seattle | — | $694.5M |
| 79 | Gates Foundation Bill & Melinda Gates Foundation Sharing Retirement Plan | Seattle | 2,156 | $680.1M |
| 80 | Russell Investments Trust Company Multi-Manager Bond Fund | Seattle | — | $675.9M |
| 81 | Saltchuk Resources, Inc. Saltchuk Companies 401(k) Plan | Seattle | 6,166 | $669.8M |
| 82 | Premera Premera 401(k) Savings Plan | Mountlake Terrace | 3,290 | $668.4M |
| 83 | Board of Trustees of the Western WA U.A. Supplemental Pension Plan Western Washington U.A. Supplemental Pension Plan | Tukwila | 4,139 | $661.1M |
| 84 | Overlake Hospital Medical Center Overlake Hospital Medical Center 403(b)Retirement Plan | Bellevue | 3,851 | $653.5M |
| 85 | Itron, Inc. Itron, Inc. Incentive Savings Plan | Liberty Lake | 2,694 | $650.5M |
| 86 | NAES Corporation NAES Corporation Retirement & 401(k) Plan | Issaquah | 2,201 | $643.7M |
| 87 | MOSS Adams LLP 401(k) Profit Sharing Plan for Employees of MOSS Adams LLP & Affiliates | Seattle | 3,963 | $633.5M |
| 88 | Horizon Air Industries, Inc. Horizon Air Savings Investment Plan | Seattle | 3,460 | $631.1M |
| 89 | Russell Investments Group, LLC Russell Investments Retirement Plan | Seattle | 609 | $625.0M |
| 90 | Board of Trustees Puget Sound Electrical Workers 401(k) Savings Plan Puget Sound Electrical Workers 401(k) Savings Plan | Seattle | 7,974 | $622.3M |
| 91 | Avista Corporation Retirement Plan for Employees of the Avista Corporation | Spokane | 1,169 | $614.3M |
| 92 | Russell Investments Trust Company Long Duration Fixed Income Fund | Seattle | — | $611.3M |
| 93 | Board of Trustees, Alaska Laborers- Employers Retirement Fund Alaska Laborers-Employers Retirement Fund | Seattle | 1,653 | $602.0M |
| 94 | NASH Holdings LLC Pension Plan for the Washington Post and Companies | Seattle | 1,915 | $594.9M |
| 95 | Ironworkers District Council of the PACI Field Ironworkers Annuity TRU Ironworkers District Council of the Pacific NW Field Ironworkers Annuity Trust Fund | Mercer Island | 7,218 | $593.8M |
| 96 | Russell Investments Trust Company Multi-Asset Core Fund | Seattle | — | $585.2M |
| 97 | NASH Holdings LLC 401(k) Plan for the Washington Post and Companies | Seattle | 2,091 | $565.8M |
| 98 | Multicare Health System Multicare Health System Retirement Account Plan | Tacoma | 12,528 | $561.6M |
| 99 | Nintendo of America Inc. Nintendo 401(k) Savings Plan | Redmond | 1,906 | $559.8M |
| 100 | Multicare Health System Retirement Plan for Employees of Multicare Health System | Tacoma | 721 | $557.5M |
