The 100 largest 401(k) plans in the U.S.

Name: The 100 largest 401(k) plans in the U.S.
Creator: PlanOptica

$80.4BThe Boeing Company 401(k) Retirement Plan, the largest 401(k) plan

The ten largest 401(k) plans hold $656.6B between them. The Boeing Company 401(k) Retirement Plan is the largest, with $80.4B for 209,633 participants.

The list ranks each plan by total assets at the end of its newest plan year. Each row links to the plan's full page.

Data as of 2026-11-08. Source: U.S. Department of Labor Form 5500.

#	Plan	Sponsor	State	Assets	Participants
1	The Boeing Company 401(k) Retirement Plan	The Boeing Co. and Consolidated Subsidiaries	WA	$80.4B	209,633
2	Microsoft Corporation Savings Plus 401(k) Plan	Microsoft Corporation	WA	$77.9B	184,329
3	The Bank of America 401(k) Plan	Bank of America Corporation	NC	$71.5B	246,394
4	RTX Savings Plan	RTX Corporation	CT	$68.1B	211,984
5	IBM 401(k) Plan	International Business Machines Corporation	NY	$64.5B	144,897
6	Wells Fargo & Company 401(k) Plan	Wells Fargo & Company	MN	$64.4B	248,225
7	Jpmorgan Chase 401(k) Savings Plan	Jpmorgan Chase Bank, National Association	NJ	$62.1B	301,188
8	Google LLC 401(k) Savings Plan	Google LLC	CA	$61.6B	160,603
9	Lockheed Martin Corporation Salaried Savings Plan	Lockheed Martin Corporation	MD	$55.4B	144,858
10	Walmart 401(k) Plan	Walmart Inc.	AR	$50.8B	1,970,230
11	AT&T Retirement Savings Plan	AT&T Inc.	TX	$45.7B	182,289
12	Amazon 401(k) Plan	Amazon.com Services, LLC	WA	$44.6B	1,428,999
13	Northrop Grumman Savings Plan	Northrop Grumman Corporation	VA	$44.4B	151,108
14	Costco 401(k) Retirement Plan	Costco Wholesale Corporation	WA	$41.5B	279,798
15	Fidelity Retirement Savings Plan	FMR LLC	MA	$40.9B	97,360
16	Oracle Corporation 401(k) Savings and Investment Plan	Oracle Corporation	CA	$35.0B	99,877
17	CVS Health Future Fund 401(k) Plan	CVS Health Corporation	RI	$34.8B	379,925
18	Verizon Savings Plan for Management Employees	Verizon Communications Inc.	NJ	$31.3B	112,629
19	Apple 401(k) Plan	Apple Inc.	CA	$30.8B	147,655
20	Unitedhealth Group 401(k) Savings Plan	Unitedhealth Group Incorporated	MN	$30.3B	262,812
21	Fedex Corporation Retirement Savings Plan	Fedex Corporation	TN	$28.1B	133,560
22	Intel 401(k) Savings Plan	Intel Corporation	CA	$27.4B	74,735
23	Hca 401(k) Plan	Hca Inc.	TN	$26.9B	394,855
24	Citi Retirement Savings Plan	Citigroup Inc.	CT	$26.9B	117,332
25	Johnson and Johnson Savings Plan	Johnson and Johnson	NJ	$26.9B	75,285
26	Kaiser Permanente 401(k) Retirement Plan	Kaiser Foundation Health Plan, Inc.	CA	$26.6B	182,954
27	General Motors Retirement Savings Plan for Salaried Employees in the United States	General Motors LLC	MI	$26.6B	67,050
28	Cisco Systems,inc. 401(k) Plan	Cisco Systems,inc.	CA	$26.4B	70,957
29	Morgan Stanley 401(k) Plan	Morgan Stanley Domestic Holdings, LLC	NY	$26.4B	78,524
30	Exxonmobil Savings Plan	Exxon Mobil Corporation	TX	$25.8B	37,725
31	Accenture United States 401(k) Match and Savings Plan	Accenture LLP	IL	$24.5B	107,898
32	Pfizer Savings Plan	Pfizer Inc.	NY	$24.2B	51,853
33	Caterpillar 401(k) Savings Plan	Caterpillar Inc.	TX	$23.1B	59,937
34	Comcast Corporation Retirement - Investment Plan	Comcast Corporation	PA	$22.9B	121,034
35	Meta Platforms, Inc 401(k) Plan	Meta Platforms, Inc.	CA	$22.4B	93,515
36	Delta 401(k) Retirement Plan	Delta Air Lines, Inc.	GA	$22.3B	111,578
37	Chevron Employee Savings Investment Plan	Chevron Corporation	TX	$22.3B	35,625
38	Ernst & Young Retirement Savings Plan	Ernst & Young U.S. LLP	NJ	$21.5B	96,658
39	The Teamster - UPS National 401(k) Tax Deferred Savings Plan	Board of Trustees of the Teamsters - UPS 401(k) National Savings Plan	GA	$21.5B	451,730
40	State Farm 401(k) Savings Plan	State Farm Mutual Automobile Insurance Company	IL	$21.2B	97,743
41	Ford Motor Company Savings and Stock Investment Plan	Ford Motor Company	MI	$19.7B	54,130
42	United Airlines Pilot Retirement Account Plan	United Airlines, Inc.	IL	$19.4B	21,233
43	National Rural Electric Cooperative Association 401(k) Pension Plan	National Rural Electric Cooperative Association	VA	$19.1B	82,085
44	Southwest Airlines Co. Retirement Savings Plan	Southwest Airlines Co.	TX	$18.9B	87,150
45	Abbott Laboratories Stock Retirement Plan	Abbott Laboratories	IL	$18.5B	61,408
46	American Airlines, Inc. 401(k) Plan	American Airlines, Inc. - Retirement	TX	$18.4B	114,490
47	Capital One Financial Corporation Associate Savings Plan	Capital One Financial Corporation	VA	$18.3B	91,543
48	Delta 401(k) Retirement Plan for Pilots	Delta Air Lines, Inc.	GA	$18.3B	17,720
49	L3HARRIS Retirement Savings Plan	L3HARRIS Technologies, Inc.	FL	$18.0B	73,044
50	GE Aerospace Retirement Savings Plan	General Electric Company	OH	$17.3B	69,240
51	Honeywell 401(k) Plan	Honeywell International Inc	NC	$16.8B	59,191
52	The Pepsico Savings Plan	Pepsico, Inc.	NY	$16.7B	161,067
53	U.S. Roche 401(k) Savings Plan	Genentech, Inc.	CA	$16.5B	36,431
54	Merck US Savings Plan	Merck & Co., Inc.	NJ	$16.1B	40,442
55	Target Corporation 401(k) Plan	Target Corporation	MN	$16.1B	473,741
56	Kaiser Permanente Tax Sheltered Annuity Plan	Kaiser Foundation Health Plan, Inc.	CA	$16.1B	105,462
57	Abbvie Savings Plan	Abbvie Inc.	IL	$16.0B	40,433
58	Walgreens Retirement Savings Plan	Walgreen Co.	IL	$15.7B	240,231
59	UPS 401(k) Savings Plan	United Parcel Service of America, Inc.	GA	$15.7B	125,164
60	The Home Depot Futurebuilder	The Home Depot, Inc.	GA	$15.7B	468,817
61	The Lilly Employee 401(k) Plan	Eli Lilly and Company	IN	$15.6B	33,954
62	Savings Plan for Employees and Partners of PWC	PWC US Group LLP	FL	$15.6B	79,054
63	The Cigna Group 401(k) Plan	The Cigna Group	PA	$15.1B	85,372
64	Toyota Motor North America, Inc. Retirement Savings Plan	Toyota Motor North America, Inc	TX	$15.1B	54,435
65	Dell Inc. 401(k) Plan	Dell Inc.	TX	$14.7B	58,607
66	The Goldman Sachs 401(k) Plan	The Goldman Sachs Group, Inc.	NY	$14.6B	50,430
67	Disney Savings and Investment Plan	TWDC Enterprises 18 Corp.	CA	$14.4B	75,615
68	Edward D. Jones & Co. Profit Sharing and 401(k) Plan	Edward D. Jones & Co., L.P.	MO	$14.3B	58,988
69	General Dynamics Corporation 401(k) Plan 6.0	General Dynamics Corporation	VA	$14.3B	70,316
70	Southwest Airlines Pilots Retirement Savings Plan	Southwest Airlines Company	TX	$13.7B	12,991
71	Medtronic Savings and Investment Plan	Medtronic, Inc.	MN	$13.7B	55,692
72	Elevance Health 401(k) Plan	Ath Holding Company, LLC	IN	$13.3B	91,131
73	Broadcom U.S. 401(k) Plan	Avago Technologies U.S. Inc.	CA	$13.2B	30,767
74	The Vanguard Retirement and Savings Plan	The Vanguard Group, Inc.	PA	$13.2B	27,896
75	The Kroger Co. 401(k) Retirement Savings Account Plan	The Kroger Co.	OH	$13.1B	413,480
76	American Airlines, Inc. 401(k) Plan for Pilots	American Airlines, Inc. - Retirement	TX	$13.1B	19,362
77	U.S. Bank 401(k) Savings Plan	U.S. Bancorp	MN	$13.0B	85,667
78	John Deere Savings and Investment Plan	Deere & Company	IL	$12.9B	26,538
79	Marriott Retirement Savings Plan	Marriott International, Inc.	MD	$12.8B	167,948
80	Bristol-Myers Squibb Company Savings and Investment Program	Bristol-Myers Squibb Company	NJ	$12.7B	34,444
81	Liberty Mutual 401(k) Plan	Liberty Mutual Group Inc.	MA	$12.7B	48,393
82	Duke Energy Retirement Savings Plan	Duke Energy Corporation	NC	$12.6B	34,829
83	Shell Provident Fund	Shell USA, Inc.	TX	$12.5B	22,944
84	Usaa Retirement Savings Plan	United Services Automobile Association	TX	$12.4B	53,184
85	The Progressive 401(k) Plan	The Progressive Corporation & Its Participating Subsidiaries	OH	$12.4B	77,919
86	401(k) Savings Plan	Providence Health & Services	WA	$12.3B	134,059
87	KPMG 401(k) Capital Accumulation Plan	KPMG LLP	NJ	$12.1B	54,015
88	Bae Systems Employees' Savings and Investment Plan	Bae Systems, Inc.	VA	$12.0B	58,830
89	Leidos, Inc. Retirement Plan	Leidos, Inc.	VA	$11.9B	57,474
90	Bayer Corporation Savings and Retirement Plan	Bayer Corporation	MO	$11.8B	28,899
91	United Airlines 401(k) Savings Plan	United Airlines, Inc.	IL	$11.7B	94,700
92	UBS 401(k) Plan	UBS Ag	NJ	$11.7B	34,122
93	Thermo Fisher Scientific Inc. 401(k) Retirement Plan	Thermo Fisher Scientific Inc.	PA	$11.7B	70,443
94	The Permanente Medical Group, Inc. Salary Deferral Plan	The Permanente Medical Group, Inc.	CA	$11.6B	30,265
95	The Travelers 401(k) Savings Plan	Travelers Companies, Inc.	MN	$11.6B	41,957
96	3M Voluntary Investment Plan and Employee Stock Ownership Plan	3M Company	MN	$11.6B	39,570
97	The Dow Chemical Company Employees' Savings Plan	The Dow Chemical Company	MI	$11.5B	31,053
98	GE Healthcare Retirement Savings Plan	GE Healthcare Technologies Inc.	IL	$11.4B	50,690
99	The PNC Financial Services Group, Inc. Incentive Savings Plan	The PNC Financial Services Group, Inc.	PA	$11.4B	78,196
100	Qualcomm Incorporated Employee Savings and Retirement Plan	Qualcomm Incorporated	CA	$11.3B	23,273

How we counted

401(k) plans only (Form 5500 plan type), ranked by total assets at the end of the plan year.
One row per plan. A company can sponsor more than one plan.
Source: PlanOptica analysis of U.S. Department of Labor Form 5500 filings, newest filing of each active plan (plan years 2024 and 2025). Data as of 2026-11-08.

Cite as: PlanOptica, https://planoptica.com/research/largest-401k-plans. Need the rows behind this page? Custom data or the API waitlist.

How we counted

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