Mirion Technologies Inc.
Plan context: Mirion Technologies 401(K) Plan
EIN 20-3979555 • Atlanta, GA • 34 filings • 3 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,329
2024 Assets
$201,299,114
2024 Contributions
$21,546,816
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 1,329 | $201,299,114 | $21,546,816 | $16,213iApproximate average salary by contribution assumption: employee only about $405,320 at 4% or $270,213 at 6%; with 50% employer match about $270,213 at 4% or $180,142 at 6%; with 100% employer match about $202,660 at 4% or $135,107 at 6%. |
| Mirion Technologies 401(K) Plan | - | 1,329 | $201,299,114 | $21,546,816 | $16,213iApproximate average salary by contribution assumption: employee only about $405,320 at 4% or $270,213 at 6%; with 50% employer match about $270,213 at 4% or $180,142 at 6%; with 100% employer match about $202,660 at 4% or $135,107 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 1,311 | - | - | - |
| 2023 | 3 | 2,203 | $173,452,824 | $22,870,337 | $10,381iApproximate average salary by contribution assumption: employee only about $259,536 at 4% or $173,024 at 6%; with 50% employer match about $173,024 at 4% or $115,349 at 6%; with 100% employer match about $129,768 at 4% or $86,512 at 6%. |
| Mirion Technologies 401(K) Plan | - | 2,203 | $172,434,870 | $22,811,119 | $10,355iApproximate average salary by contribution assumption: employee only about $258,864 at 4% or $172,576 at 6%; with 50% employer match about $172,576 at 4% or $115,051 at 6%; with 100% employer match about $129,432 at 4% or $86,288 at 6%. |
| MIRION TECHNOLOGIES (CONAX NUCLEAR) UNION 401(K) PLAN | - | 11 | $1,017,954 | $59,218 | $5,383iApproximate average salary by contribution assumption: employee only about $134,586 at 4% or $89,724 at 6%; with 50% employer match about $89,724 at 4% or $59,816 at 6%; with 100% employer match about $67,293 at 4% or $44,862 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 1,323 | - | - | - |
| 2022 | 2 | 1,340 | $163,784,888 | $16,350,563 | $12,202iApproximate average salary by contribution assumption: employee only about $305,048 at 4% or $203,365 at 6%; with 50% employer match about $203,365 at 4% or $135,577 at 6%; with 100% employer match about $152,524 at 4% or $101,683 at 6%. |
| Mirion Technologies 401(K) Plan | - | 1,330 | $163,784,888 | $16,350,563 | $12,294iApproximate average salary by contribution assumption: employee only about $307,341 at 4% or $204,894 at 6%; with 50% employer match about $204,894 at 4% or $136,596 at 6%; with 100% employer match about $153,671 at 4% or $102,447 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 1,340 | - | - | - |
| 2021 | 2 | 801 | $136,704,432 | $9,658,051 | $12,057iApproximate average salary by contribution assumption: employee only about $301,437 at 4% or $200,958 at 6%; with 50% employer match about $200,958 at 4% or $133,972 at 6%; with 100% employer match about $150,719 at 4% or $100,479 at 6%. |
| Mirion Technologies 401(K) Plan | - | 795 | $136,704,432 | $9,658,051 | $12,148iApproximate average salary by contribution assumption: employee only about $303,712 at 4% or $202,475 at 6%; with 50% employer match about $202,475 at 4% or $134,983 at 6%; with 100% employer match about $151,856 at 4% or $101,237 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 801 | - | - | - |
| 2020 | 2 | 855 | $98,963,946 | $7,339,355 | $8,584iApproximate average salary by contribution assumption: employee only about $214,601 at 4% or $143,067 at 6%; with 50% employer match about $143,067 at 4% or $95,378 at 6%; with 100% employer match about $107,301 at 4% or $71,534 at 6%. |
| Mirion Technologies 401(K) Plan | - | 855 | $98,963,946 | $7,339,355 | $8,584iApproximate average salary by contribution assumption: employee only about $214,601 at 4% or $143,067 at 6%; with 50% employer match about $143,067 at 4% or $95,378 at 6%; with 100% employer match about $107,301 at 4% or $71,534 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 671 | - | - | - |
| 2019 | 2 | 685 | $80,123,135 | $6,325,523 | $9,234iApproximate average salary by contribution assumption: employee only about $230,859 at 4% or $153,906 at 6%; with 50% employer match about $153,906 at 4% or $102,604 at 6%; with 100% employer match about $115,429 at 4% or $76,953 at 6%. |
| Mirion Technologies 401(K) Plan | - | 685 | $80,123,135 | $6,325,523 | $9,234iApproximate average salary by contribution assumption: employee only about $230,859 at 4% or $153,906 at 6%; with 50% employer match about $153,906 at 4% or $102,604 at 6%; with 100% employer match about $115,429 at 4% or $76,953 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 600 | - | - | - |
| 2018 | 2 | 608 | $65,269,978 | $6,151,661 | $10,118iApproximate average salary by contribution assumption: employee only about $252,947 at 4% or $168,631 at 6%; with 50% employer match about $168,631 at 4% or $112,421 at 6%; with 100% employer match about $126,473 at 4% or $84,316 at 6%. |
| Mirion Technologies 401(K) Plan | - | 596 | $65,269,978 | $6,151,661 | $10,322iApproximate average salary by contribution assumption: employee only about $258,039 at 4% or $172,026 at 6%; with 50% employer match about $172,026 at 4% or $114,684 at 6%; with 100% employer match about $129,020 at 4% or $86,013 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 608 | - | - | - |
| 2017 | 2 | 616 | $67,222,382 | $6,809,585 | $11,055iApproximate average salary by contribution assumption: employee only about $276,363 at 4% or $184,242 at 6%; with 50% employer match about $184,242 at 4% or $122,828 at 6%; with 100% employer match about $138,182 at 4% or $92,121 at 6%. |
| Mirion Technologies 401(K) Plan | - | 610 | $67,222,382 | $6,809,585 | $11,163iApproximate average salary by contribution assumption: employee only about $279,081 at 4% or $186,054 at 6%; with 50% employer match about $186,054 at 4% or $124,036 at 6%; with 100% employer match about $139,541 at 4% or $93,027 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 616 | - | - | - |
| 2016 | 2 | 689 | $57,439,904 | $30,898,820 | $44,846iApproximate average salary by contribution assumption: employee only about $1,121,147 at 4% or $747,432 at 6%; with 50% employer match about $747,432 at 4% or $498,288 at 6%; with 100% employer match about $560,574 at 4% or $373,716 at 6%. |
| Mirion Technologies 401(K) Plan | - | 689 | $57,439,904 | $30,898,820 | $44,846iApproximate average salary by contribution assumption: employee only about $1,121,147 at 4% or $747,432 at 6%; with 50% employer match about $747,432 at 4% or $498,288 at 6%; with 100% employer match about $560,574 at 4% or $373,716 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 658 | - | - | - |
| 2015 | 2 | 296 | $27,095,898 | $2,458,742 | $8,307iApproximate average salary by contribution assumption: employee only about $207,664 at 4% or $138,443 at 6%; with 50% employer match about $138,443 at 4% or $92,295 at 6%; with 100% employer match about $103,832 at 4% or $69,221 at 6%. |
| Mirion Technologies 401(K) Plan | - | 287 | $27,095,898 | $2,458,742 | $8,567iApproximate average salary by contribution assumption: employee only about $214,176 at 4% or $142,784 at 6%; with 50% employer match about $142,784 at 4% or $95,189 at 6%; with 100% employer match about $107,088 at 4% or $71,392 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 296 | - | - | - |
| 2014 | 2 | 298 | $25,832,077 | $2,351,703 | $7,892iApproximate average salary by contribution assumption: employee only about $197,291 at 4% or $131,527 at 6%; with 50% employer match about $131,527 at 4% or $87,685 at 6%; with 100% employer match about $98,645 at 4% or $65,764 at 6%. |
| Mirion Technologies 401(K) Plan | - | 296 | $25,832,077 | $2,351,703 | $7,945iApproximate average salary by contribution assumption: employee only about $198,624 at 4% or $132,416 at 6%; with 50% employer match about $132,416 at 4% or $88,277 at 6%; with 100% employer match about $99,312 at 4% or $66,208 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 298 | - | - | - |
| 2013 | 2 | 295 | $25,290,218 | $2,656,052 | $9,004iApproximate average salary by contribution assumption: employee only about $225,089 at 4% or $150,059 at 6%; with 50% employer match about $150,059 at 4% or $100,040 at 6%; with 100% employer match about $112,545 at 4% or $75,030 at 6%. |
| Mirion Technologies 401(K) Plan | - | 288 | $25,290,218 | $2,656,052 | $9,222iApproximate average salary by contribution assumption: employee only about $230,560 at 4% or $153,707 at 6%; with 50% employer match about $153,707 at 4% or $102,471 at 6%; with 100% employer match about $115,280 at 4% or $76,853 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 295 | - | - | - |
| 2012 | 2 | 295 | $21,921,991 | $2,619,445 | $8,879iApproximate average salary by contribution assumption: employee only about $221,987 at 4% or $147,991 at 6%; with 50% employer match about $147,991 at 4% or $98,661 at 6%; with 100% employer match about $110,993 at 4% or $73,996 at 6%. |
| Mirion Technologies 401(K) Plan | - | 289 | $21,921,991 | $2,619,445 | $9,064iApproximate average salary by contribution assumption: employee only about $226,596 at 4% or $151,064 at 6%; with 50% employer match about $151,064 at 4% or $100,709 at 6%; with 100% employer match about $113,298 at 4% or $75,532 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 295 | - | - | - |
| 2011 | 2 | 288 | $18,388,190 | $2,233,026 | $7,754iApproximate average salary by contribution assumption: employee only about $193,839 at 4% or $129,226 at 6%; with 50% employer match about $129,226 at 4% or $86,151 at 6%; with 100% employer match about $96,920 at 4% or $64,613 at 6%. |
| Mirion Technologies 401(K) Plan | - | 288 | $18,388,190 | $2,233,026 | $7,754iApproximate average salary by contribution assumption: employee only about $193,839 at 4% or $129,226 at 6%; with 50% employer match about $129,226 at 4% or $86,151 at 6%; with 100% employer match about $96,920 at 4% or $64,613 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 286 | - | - | - |
| 2010 | 2 | 285 | $17,052,856 | $2,040,143 | $7,158iApproximate average salary by contribution assumption: employee only about $178,960 at 4% or $119,307 at 6%; with 50% employer match about $119,307 at 4% or $79,538 at 6%; with 100% employer match about $89,480 at 4% or $59,653 at 6%. |
| Mirion Technologies 401(K) Plan | - | 281 | $17,052,856 | $2,040,143 | $7,260iApproximate average salary by contribution assumption: employee only about $181,507 at 4% or $121,005 at 6%; with 50% employer match about $121,005 at 4% or $80,670 at 6%; with 100% employer match about $90,754 at 4% or $60,502 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 285 | - | - | - |
| 2009 | 2 | 295 | $13,767,559 | $1,684,310 | $5,710iApproximate average salary by contribution assumption: employee only about $142,738 at 4% or $95,159 at 6%; with 50% employer match about $95,159 at 4% or $63,439 at 6%; with 100% employer match about $71,369 at 4% or $47,579 at 6%. |
| Mirion Technologies 401(K) Plan | - | 295 | $13,767,559 | $1,684,310 | $5,710iApproximate average salary by contribution assumption: employee only about $142,738 at 4% or $95,159 at 6%; with 50% employer match about $95,159 at 4% or $63,439 at 6%; with 100% employer match about $71,369 at 4% or $47,579 at 6%. |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 271 | - | - | - |
| 2008 | 1 | 277 | $0 | $0 | - |
| Mirion Technologies Inc. Welfare Benefits Plan | - | 277 | - | - | - |