401(k) · DOL Form 5500 · 2023

Lawrence Livermore National Security LLC 401(k) Plan

Data updated 2026-08-11

$2.0B
Total assets
7,519
Participants
99th
Percentile by assets
$272,097
Avg per participant
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Official DOL plan name: Llns 401(k) Retirement Plan · Sponsored by Lawrence Livermore National Security LLC · California · Professional & Technical Services

$2.0B in assets, 7,519 participants

Lawrence Livermore National Security LLC's Llns 401(k) Retirement Plan reported $2.0B in total assets and 7,519 participants in its 2023 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 127,072 plans)
  • #20,242 in Professional & Technical Services (20,321 peers)

Coverage in California

Llns 401(k) Retirement Plan covers 7,519 participants in California, 12x the typical California plan (state average ~630 per filing). Assets: $2.0B.

$2.0B
total plan assets (2023 EOY)
7,519
covered participants
99th
percentile by assets (of 127,072 plans)
$272,097
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Llns 401(k) Retirement Plan reported net income rose from -$187M in the plan year 2022 filing to $438M in the plan year 2023 filing.
  • Llns 401(k) Retirement Plan end-of-year assets rose from $1.6B in the plan year 2022 filing to $2.0B in the plan year 2023 filing.
  • Llns 401(k) Retirement Plan reported participants rose from 6,682 in the plan year 2022 filing to 7,519 in the plan year 2023 filing.

See the national 2023→2024 release diff →

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Llns 401(k) Retirement Plan reports 7,519 participants - 12x that state average ($2.0B EOY assets).

California filing particulars

Total Assets (Beginning of Year)$1.6B
Net Assets (End of Year)$2.0B
Net Income$438M
Employer EIN205624386
Plan Effective Date2007-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Lawrence Livermore National Security LLC)

$5.5B$6B$6.5B$7B$7.5B 202220232024 $5.84B $6.97B ▲ +19.3%
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

Llns 401(k) Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Llns 401(k) Retireme…Wells Fargo & Compan…Google LLC 401(k) Sa…Oracle Corporation 4…Intel 401(k) Savings…Apple 401(k) Plan
Llns 401(k) Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants

Scale composition for Llns 401(k) Retirement Plan

Llns 401(k) Retirement Plan reports $2.0B in end-of-year assets across 7,519 participants (0.017% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.008% of 93,925,755 covered participants) - about $272,097 per participant (2.0x the national average assets-per-participant) . Net income for plan year 2023 was $438M.

This plan identity (EIN 205624386, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.6B to $2.5B (+55.4%) while covered participants moved from 6,682 to 8,087 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 6,682 $1.6B Open filing
2023 7,519 $2.0B This page
2024 · index core 8,087 $2.5B Open filing

The same sponsor also keeps 3 other index-core plans on PlainRetire:

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.

Frequently Asked Questions

How did Llns 401(k) Retirement Plan assets move in 2023?
Llns 401(k) Retirement Plan grew sharply - up 27.2% during 2023, from $1.6B to $2.0B. Reported net income was $438M.
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 127,072 plans that reported assets for plan year 2023 (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 Nrg Affiliates Employee Savings Plan in NJ ($2.0B, 6,623 participants).

Filing takeaways

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