Plan directory · WA

The largest 401(k) plans in WA

Ranked by total plan assets reported on each plan's most recent public Form 5500 filing.

#Plan sponsorCityAssetsParticipants
1 Microsoft Corporation Redmond $77.9B 184,329
2 Western Conference Of Teamsters Pension Trust Fund Board Of Trustees Seattle $56.4B 639,222
3 Costco Wholesale Corporation Issaquah $41.5B 279,798
4 Amazon.Com Services, Llc Seattle $34.6B 1,343,800
5 Amazon.Com Services,Llc North Seattle $26.2B 1,336,478
6 Providence Health & Services Renton $14.0B —
7 Providence Health & Services Renton $10.1B 119,632
8 T-Mobile Usa, Inc. Bellevue $9.1B 95,644
9 Providence Health & Services Renton $6.8B —
10 Starbucks Corporation Seattle $4.9B 299,619
11 Washington Capital Management, Inc. Seattle $4.6B —
12 St.Joseph Health System Renton $4.5B 42,076
13 Nordstrom, Inc. Seattle $4.3B 109,402
14 Board Of Trustees, Locals 302 & 612 Of The Iuoe - Seattle $3.3B 19,582
15 Schweitzer Engineering Laboratories, Inc. Pullman $3.2B 4,674
16 Paccar Inc Bellevue $3.1B 17,931
17 Board Of Trustees, Sound Retirement Trust Bothell $2.7B 107,493
18 Alaska Airlines, Inc. Seatac $2.6B 4,087
19 Weyerhaeuser Company Seattle $2.4B 13,738
20 Milliman Seattle $2.1B 5,360
21 Expedia, Inc. Seattle $2.1B 12,659
22 Fortive Corporation Everett $1.9B —
23 Russell Investments Trust Company Commingled Employee Benefit Funds T Seattle $1.9B —
24 Board Of Trustees Gciu-Employer Retirement Benefit Plan Seattle $1.8B 37,126
25 Fred Hutchinson Cancer Center Seattle $1.7B 10,676
26 Fortive Corporation Everett $1.7B —
27 Slalom, Inc. Seattle $1.6B 13,725
28 Puget Sound Energy, Inc. Bellevue $1.5B 4,637
29 Washington Permanente Medical Group, P.C. Renton $1.5B 2,378
30 Bot, Western Wa Laborers-Employers Pension Trust Bothell $1.5B 19,989
31 Seattle Childrens Healthcare System Seattle $1.5B 15,996
32 Board Of Trustees, Puget Sound Electrical Workers Pension Trust Seattle $1.3B 8,704
33 Perkins Coie Llp Seattle $1.3B 2,817
34 Hanford Pension And Savings Plans Committee Richland $1.3B 5,900
35 Fred Hutchinson Cancer Research Center Seattle $1.3B 9,171
36 Russell Investments Trust Company Seattle $1.3B —
37 Bot, Wa State Plumbing And Pipefitting Industry Pension Plan Tukwila $1.3B 10,360
38 F5, Inc. Seattle $1.2B 4,418
39 Expeditors International Of Washington, Inc. Seattle $1.2B 9,383
40 Blue Origin, Llc Kent $1.2B 14,913
41 Multicare Health System Tacoma $1.2B 20,136
42 Providence Health & Services Renton $1.1B —
43 Russell Invest Institutional Funds Llc Multi-Asset Core Plus Seattle $1.1B —
44 Board Of Trustees, Western Metal Industry Pension Plan Seattle $1.0B 13,512
45 Recreational Equipment, Inc. Sumner $1.0B 22,024
46 Washington Permanente Medical Group P.C. Seattle $993.8M —
47 Russell Invest Institutional Funds Llc Large Cap U.S. Equity Index Fun Seattle $964.7M —
48 Providence Health & Services Renton $930.7M —
49 Swedish Health Services Renton $875.0M 6,177
50 Northwest Ironworkers Retirement Plan Board Of Trustees Mercer Island $854.4M 7,196
51 Columbia Banking System, Inc. Tacoma $849.9M 7,647
52 Zillow Group, Inc. Seattle $849.8M 9,389
53 Automotive Machinists Pension Trust Seattle $843.9M 7,159
54 Avista Corporation Spokane $843.5M 2,707
55 Board Of Trustees, Pacific Coast Benefits Trust Fund Seattle $838.3M 176,003
56 Premera Mountlake Terrace $774.9M 4,575
57 Davis Wright Tremaine Llp Seattle $747.7M 2,173
58 Russell Investments Institutional Funds Llc High Yield Bond Seattle $699.9M —
59 Confluence Health Wenatchee $697.1M 4,692
60 Gates Foundation Seattle $680.1M 3,006
61 Saltchuk Resources, Inc. Seattle $669.8M 7,842
62 Symetra Life Insurance Company Bellevue $663.1M 3,904
63 Board Of Trustees Of The Western Wa U.A. Supplemental Pension Plan Tukwila $661.1M 6,517
64 Board Of Trustees, Alaska Laborers- Employers Retirement Fund Seattle $657.7M 5,804
65 Overlake Hospital Medical Center Bellevue $653.5M 5,420
66 Itron, Inc. Liberty Lake $650.5M 3,622
67 Naes Corporation Issaquah $643.7M 3,230
68 Moss Adams Llp Seattle $633.5M 6,020
69 Horizon Air Industries, Inc. Seatac $631.1M 5,203
70 Russell Investments Group, Llc Seattle $625.0M 1,471
71 Board Of Trustees Puget Sound Electrical Workers 401(K) Savings Plan Seattle $622.3M 8,061
72 Gonzaga University Spokane $597.9M 3,716
73 Nash Holdings Llc Seattle $594.9M 2,988
74 Ironworkers District Council Of The Paci Field Ironworkers Annuity Tru Mercer Island $593.8M 7,937
75 Board Of Trustees, Seiu Healthcare Nw Health Seattle $588.2M 28,256
76 Premera Blue Cross Seattle $564.6M 4,459
77 Seagen Inc. Bothell $560.0M 3,886
78 Nintendo Of America Inc. Redmond $559.8M 2,471
79 Sound Inpatient Physicians, Inc. Tacoma $557.0M 5,920
80 Alaska Air Group, Inc. Seattle $548.0M 3,859
81 Russell Investments Tr Co Comm Emp Ben Fds Tr Tju Master Tr Seattle $529.7M —
82 Proliance Surgeons, Inc., P.S. Seattle $516.8M 3,067
83 The Association Of University Physicians Seattle $499.3M 4,310
84 Board Of Trustees, Seiu 775 Secure Retirement Trust Seattle $497.7M 89,810
85 Concur Technologies, Inc. Bellevue $480.2M —
86 112/73 Retirement Trust Fund Neca - Ibew Spokane $478.9M 6,590
87 Seattle University Seattle $478.9M 4,026
88 Board Of Trustees, Cement Masons And Plasterers Retirement Trust Seattle $454.7M 2,984
89 Lynden Incorporated Seattle $435.4M 2,841
90 Board Of Trustees, Iron Workers Local No. 5 & Iwea Mercer Island $425.2M 2,354
91 Washington State Council Of Fire Fighters Olympia $422.9M 22,574
92 Board Of Trustees, Western Glaziers Retirement Plan Tukwila $414.0M 1,757
93 Board Of Trustees, Washington Teamsters Welfare Trust Seattle $405.2M 20,324
94 Blue, Inc. Kent $397.6M 5,132
95 Boeing Employees' Credit Union Seattle $381.8M 3,783
96 Carrix, Inc. Seattle $362.2M 1,868
97 Board Of Trustees Agc-Iuoe Local Of Agc-Iuoe Local 701 Pension Trust Seattle $358.2M 5,157
98 Colliers International Usa, Llc Seattle $356.0M 4,033
99 The University Of Puget Sound Tacoma $354.1M 2,197
100 Princess Cruise Lines, Ltd. Seattle $352.6M 3,050

Browse WA by city

Seattle (5942)Bellevue (1749)Vancouver (1375)Spokane (1259)Tacoma (1045)Kirkland (711)Redmond (592)Kent (561)Bellingham (539)Everett (522)Olympia (519)Renton (485)Yakima (396)Puyallup (395)Bothell (383)Spokane Valley (361)Auburn (348)Issaquah (338)Woodinville (330)Lynnwood (329)Kennewick (320)Gig Harbor (280)Edmonds (259)Tukwila (254)Federal Way (250)Mercer Island (234)Richland (219)Snohomish (195)Bainbridge Island (187)Lakewood (187)Wenatchee (174)Mukilteo (171)Sammamish (168)Bremerton (164)Lacey (161)Longview (155)Camas (147)Walla Walla (145)Pasco (141)Arlington (137)Poulsbo (137)Monroe (130)Mount Vernon (128)Battle Ground (127)Sumner (121)Marysville (117)Silverdale (112)University Place (112)Mill Creek (111)Moses Lake (105)Port Angeles (105)Burien (104)Tumwater (103)Shoreline (101)Anacortes (100)Maple Valley (100)Port Orchard (91)Ridgefield (89)Mountlake Terrace (88)Liberty Lake (86)

Source: public U.S. Department of Labor EFAST2 Form 5500 filings. Figures reflect each plan's most recent filing year. FiduciarySignal is not affiliated with the DOL. Which of these plans is most likely to change providers this year? That's what the Change Predictor ranks.