401(k) · DOL Form 5500 · 2024

Lawrence Livermore National Security LLC 401(k) Plan

Data updated 2026-07-24

$2.5B
Total assets: 8,087
Participants: 99th
Percentile by assets: $308,950
Avg per participant

Official DOL plan name: Llns 401(k) Retirement Plan · Sponsored by Lawrence Livermore National Security LLC · California · Professional & Technical Services

$2.5B in assets, 8,087 participants

Lawrence Livermore National Security LLC's Llns 401(k) Retirement Plan reported $2.5B in total assets and 8,087 participants in its 2024 DOL Form 5500 filing, ranking in the 99th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

99th percentile by assets (of 116,472 plans)

Coverage in California

Llns 401(k) Retirement Plan covers 8,087 participants in California, 13x the typical California plan (state average ~637 per filing). Assets: $2.5B.

$2.5B
total plan assets (2024 EOY): 8,087
covered participants: 99th
percentile by assets (of 116,472 plans): $308,950
avg assets per participant

Llns 401(k) Retirement Plan end-of-year assets rose from $2.0B in the plan year 2023 filing to $2.5B in the plan year 2024 filing.
Llns 401(k) Retirement Plan reported participants rose from 7,519 in the plan year 2023 filing to 8,087 in the plan year 2024 filing.
Llns 401(k) Retirement Plan reported net income rose from $438M in the plan year 2023 filing to $453M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

California

Industry

Professional & Technical Services

Participants vs California filers

In California, the average filing covers about 637 participants across 14,392 plans. Llns 401(k) Retirement Plan reports 8,087 participants - 13x that state average ($2.5B EOY assets).

California filing particulars

Total Assets (Beginning of Year)	$2.0B
Net Assets (End of Year)	$2.5B
Net Income	$453M
Employer EIN	205624386
Plan Effective Date	2007-10-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Lawrence Livermore National Security LLC)

Total plan assets by year, all Lawrence Livermore National Security LLC plans on file

Year	Plans	Participants	Total Assets
2022	3	9,938	$5.8B
2023	3	10,384	$6.5B
2024	3	10,694	$7.0B

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Llns 401(k) Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants

Google LLC 401(k) Savings Plan $48.7B · 116,712
Oracle Corporation 401(k) Savings and Investment Plan $31.0B · 58,962
Intel 401(k) Savings Plan $24.9B · 55,298
Apple 401(k) Plan $24.7B · 101,450
Cisco Systems,Inc. 401(k) Plan $22.7B · 40,452

Compare Llns 401(k) Retirement Plan side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Llns 401(k) Retirement Plan by total assets, not by location.

Hyatt Corporation Retirement Savings Plan (IL) $2.5B · 35,391
Triad 401(k) Retirement Plan (NM) $2.5B · 11,744
Amentum 401(k) Retirement Plan (VA) $2.5B · 31,017
Cna 401(k) Plan (IL) $2.5B · 5,384

Frequently Asked Questions

How did Llns 401(k) Retirement Plan assets move in 2024? ▼

Llns 401(k) Retirement Plan grew sharply - up 22.1% during 2024, from $2.0B to $2.5B. Reported net income was $453M.

How have Lawrence Livermore National Security LLC plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Lawrence Livermore National Security LLC's sponsor-wide assets grew 19.4%, from $5.8B to $7.0B.

Where does Llns 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼

Llns 401(k) Retirement Plan ranks in the 99th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).

Which 401(k) plans are similar in size to Llns 401(k) Retirement Plan? ▼

Among 401(k) plans in other states, the closest by assets is Hyatt Corporation Retirement Savings Plan in IL ($2.5B, 35,391 participants).

Next read for Llns 401(k) Retirement Plan

Filing takeaways

Ways to act on Llns 401(k) Retirement Plan's numbers.

By total assets, Llns 401(k) Retirement Plan ranks among the largest 1% of all filed plans. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
Lawrence Livermore National Security LLC's sponsor-wide assets have grown 19.4% since 2022 across 3 plan years on file. More Professional & Technical Services plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 205624386.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.