Mirion Technologies, Inc. 401(k) Plan: Login, Facts & Contact Information
Mirion Technologies, Inc. 401(k) Login
528 former Mirion Technologies, Inc. employees still have money in this plan.
Retirement plan providers can change. This information is from the plan's 2024 filing.
Mirion Technologies, Inc. 401(k) Plan Facts
Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 15, 2025. Public filing with the U.S. Department of Labor.
Money in and out in plan year 2024
- $21.5 million went into the plan in contributions, $4.90 million of it from the employer (23%).
- $15.2 million was paid out to participants.
- Investment and other income added $22.9 million.
- Administrative expenses were $259,951, about $139 per account.
How the Mirion Technologies, Inc. 401(k) changed, 2019–2024
| Plan year | Participants | Plan assets | Employer contributions | Benefits paid |
|---|---|---|---|---|
| 2019 | 707 | $80.1 million | $1.66 million | $4.35 million |
| 2020 | 808 | $99.0 million | $1.87 million | $7.56 million |
| 2021 | 1,011 | $136.7 million | $2.58 million | $14.2 million |
| 2022 | 1,041 | $163.8 million | $4.32 million | $13.3 million |
| 2023 | 30 | $172.4 million | $5.87 million | $18.2 million |
| 2024 | 2,701 | $201.3 million | $4.90 million | $15.2 million |
Mirion Technologies, Inc. 401(k) Contact Information
Questions about the Mirion Technologies, Inc. 401(k)
Does Mirion Technologies, Inc contribute to the 401(k)?
Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $4.90 million, 23% of all contributions.
Does the Mirion Technologies, Inc 401(k) have automatic enrollment?
Yes. The plan reports automatic enrollment of eligible employees.
How many people are in the Mirion Technologies, Inc 401(k) plan?
2,701 participants at the start of plan year 2024, 1,329 of them active employees, and 528 former employees who still had money in the plan.
What is the average 401(k) balance at Mirion Technologies, Inc?
About $107,820 per account: $201.3 million in plan assets across 1,867 accounts with a balance at the end of plan year 2024.
Who manages the Mirion Technologies, Inc 401(k) accounts?
Empower (listed on the filing as EMPOWER ANNUITY INSURANCE COMPANY O) is the plan's recordkeeper, which is where participants log in to see their balance.
I no longer work at Mirion Technologies, Inc. How do I access my 401(k)?
Your account stays with Empower after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.