401(k) · DOL Form 5500 · 2022

Mirion Technologies, Inc. 401(k) Plan

Data updated 2026-08-25

$164M
Total assets Near avg plan size
795
Participants Near avg headcount
95th
Percentile by assets National rank
$206,019
Avg per participant Above avg balance/head
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Official DOL plan name: Mirion Technologies 401(k) Plan · Sponsored by Mirion Technologies, Inc. · Georgia · Manufacturing

$164M in assets, 795 participants

Mirion Technologies, Inc.'s Mirion Technologies 401(k) Plan reported $164M in total assets and 795 participants in its 2022 DOL Form 5500 filing, ranking in the 95th 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.

  • #18,970 in Manufacturing (20,602 peers)

Where Mirion Technologies 401(k) Plan sits by assets

Mirion Technologies 401(k) Plan sits in the top 5% of all filed plans by assets, $164M for 795 participants (~$206,019/participant), up 19.8% in 2022.

#18,970
in Manufacturing (20,602 peers)
+19.8%
assets growth YoY
1.6×
vs typical plan assets (national mean)

The plan reported a net loss of $24M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Mirion Technologies 401(k) Plan's outsized position by total assets

Mirion Technologies 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$163,784,888 Top 5% higher than 95% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Mirion Technologies 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mirion Technologies 401(k) Plan sits mid-pack in the medium band (795 participants).

EBSA filing schedule strip

Filing strip 203979555 · Mirion Technologies, Inc. PY 2022 · 401(k)

Mirion Technologies 401(k) Plan · $164M · 795 · 95th

  • PART $164M
  • PART 795
  • PART 95th
  • PART 401(k)
  • PART near Cvr Energy 401(k) Plan
  • PART ind #18970

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Georgia →

Mirion Technologies 401(k) Plan in the asset neighbourhood

Advanced Technology Services, Inc 401(k) Profit Sharing PlanAdvanced Technology Services…$164MCvr Energy 401(k) Plan$164MMirion Technologies 401(k) PlanMirion Technologies 401(k) P…$164MBlock Communications Savings PlanBlock Communications Savings…$164MBayview Asset Management LLC 401(k) PlanBayview Asset Management LLC…$164M
End-of-year total assets ($M) among Mirion Technologies 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$137M
Net Assets (End of Year)$164M
Net Income-$24M
Employer EIN203979555
Plan Effective Date2004-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mirion Technologies, Inc.)

Sponsor-wide plan assets over time

All Mirion Technologies, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$201M 22.904571024892114% vs 2022
2024 filing year
$160M$180M$200M$220M 202220232024 $164M $201M ▲ +22.9%
Year Plans Participants Total Assets
2022 1 795 $164M
2023 1 30 $172M
2024 1 2,218 $201M

Nearby 401(k) Plans in Georgia

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

Mirion Technologies 401(k) Plan vs. nearby 401(k) plans in Georgia, assets vs. participants Scatter plot of 6 data points. -2000000200000400000600000 -505101520 Total assets ($B) Participants Mirion Technologies 401(k) Plan, Total assets ($B): 0.163784888 · Participants: 795Mirion Technologies 401(k) PlanThe Teamster-UPS National 401(k) Tax Deferred Savings Plan, Total assets ($B): 14.668727371 · Participants: 549610The Teamster-UPS National 401(k) Tax Deferred Savings PlanDelta 401(k) Retirement Plan, Total assets ($B): 13.242875281 · Participants: 72820Delta 401(k) Retirement PlanDelta 401(k) Retirement Plan for Pilots, Total assets ($B): 11.498981924 · Participants: 12193Delta 401(k) Retirement Plan for PilotsUPS 401 (K) Savings Plan, Total assets ($B): 11.31621995 · Participants: 107310UPS 401 (K) Savings PlanThe Home Depot Futurebuilder, Total assets ($B): 10.714648719 · Participants: 423174The Home Depot Futurebuilder
Mirion Technologies 401(k) Plan vs. nearby 401(k) plans in Georgia, assets vs. participants
Compare Mirion Technologies 401(k) Plan side-by-side with 3 peers →

Mirion Technologies 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Georgia, the nearest 401(k) by assets is Cvr Energy 401(k) Plan in TX ($164M); by covered participants it is Camco Manufacturing, LLC 401(k) Plan in NC (795 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($164M here).

Similar participant headcount

Nearest other-state filings by covered participants (795 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Mirion Technologies 401(k) Plan assets move in 2022? ▼
Mirion Technologies 401(k) Plan grew sharply - up 19.8% during 2022, from $137M to $164M. Reported net income was -$24M.
How have Mirion Technologies, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mirion Technologies, Inc.'s sponsor-wide assets grew 22.9%, from $164M to $201M.
Where does Mirion Technologies 401(k) Plan rank by assets among Form 5500 filers? ▼
Mirion Technologies 401(k) Plan ranks in the 95th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Mirion Technologies 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Cvr Energy 401(k) Plan in TX ($164M, 840 participants).
Which 401(k) plans cover a similar participant headcount to Mirion Technologies 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Camco Manufacturing, LLC 401(k) Plan in NC (795 participants, $20M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 203979555.

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.