Plan Ledger DOL Form 5500 · updated monthly

Mirion Technologies, Inc.401(k)

MIRION TECHNOLOGIES 401(K) PLAN · ATLANTA, GA · plan year 2024

Reported admin expense ratio · 2024
0.14%

Peer grade: B · admin costs + employer contributions vs same-size plans · how grading works

Mirion Technologies, Inc. reported $259,951 in plan administrative expenses for 2024: 0.14% of average plan assets, above the peer median. Employer contributions averaged $3,690 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 3 years on file its reported administrative ratio has held roughly steady near 0.139%. The plan sits in the $50M–$250M size bracket, benchmarked here against 10,352 comparable plans and shown alongside other manufacturing employers. By assets it is the 175th-largest of 2,160 plans among Georgia employers on file, and the 1,163rd of 13,661 in manufacturing. In 2024, employees put in $2.37 for every $1.00 the employer contributed.

Plan summary
Net assets, end of year$201,299,114
Participants with balances1,867
Active participants1,329
Employer contributions$4,904,110
Employee contributions$11,645,438
Employer contribution per active participant$3,690
Average account balance$107,820
Benefits paid to participants$15,211,099
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$201.3M · 1,867 accts · $4.9M emplr
2023$172.4M · 1,714 accts · $5.9M emplr
2022$163.8M · 1,809 accts · $4.3M emplr
Administrative expenses, itemized · 2024
Recordkeeping & contract admin$209,620
Investment management$50,331
Total administrative$259,951
The Mirion Technologies, Inc. 401(k) match · 2024
Employer contribution per active participant$3,690
Median for plans this size$3,635
2024$3,690 per active participant
2023$2,666 per active participant
2022$3,247 per active participant

Mirion Technologies, Inc.'s 2024 employer contribution ran above the $3,635 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20242
EMPOWER ANNUITY INSURANCE COMPANY O · Recordkeeping · Loan processing$209,620
MERCER (US) INC MERCER INVESTMENTS · Investment advisory (plan)$50,331

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Recordkeeper by year2
2024Empower
2023Empower

Looking for an account from a past job here? How to find an old 401(k).

Administrative cost history3
2024$259,951 · 0.14%
2023$236,085 · 0.14%
2022$207,680 · 0.14%
Same employer
Similar plansManufacturing · Georgia
Oxford Industries, Inc. GA$218.4M · 0.11%
Motrex LLC GA$214.4M · 0.10%
Ofs Fitel, LLC GA$212.9M · 0.08%
Kia Georgia, Inc. GA$202.8M · 0.32%
Interface, Inc. GA$192.2M · 0.11%
Yokogawa USA, Inc. GA$190.9M · 0.06%
Superior Essex Inc. GA$188.1M · 0.16%

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Source: U.S. Department of Labor, Form 5500 series, EIN 203979555 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.