Employer · plans filed under one EIN
Amentum Nuclear & Environment Holdings, Inc.
Chantilly, VA · Professional, scientific and technical services
Form 5500 information is as filed by the plan administrator with the Department of Labor and may be amended. Figures reflect the plan year shown, not current balances.
3 retirement plans with 100 or more participants file Form 5500 under Amentum Nuclear & Environment Holdings, Inc.'s employer identification number (Chantilly, Virginia). Their latest filings total 4,318 participant records and $303M in net assets.
The largest is Urs Federal Services, Inc. Employees Retirement Plan, a defined benefit pension plan with 3,394 participants. A person can be counted in more than one plan, so the participant total is a count of records rather than of people.
Employer contributions across the plans were $66K and participant contributions $0 in the latest plan years; benefits paid were $22.6M. Schedule C compensation reported to service provider organisations totalled $1.3M.
Combined net assets moved from $40.3M in 2009 to $303M in 2024 (up 652%). Plan mergers and spin-offs show up here as steps in the series.
Plans
| Plan | Kind | Plan year | Participants | Net assets | Per participant | Employer / active | Sch. C compensation |
|---|---|---|---|---|---|---|---|
| Urs Federal Services, Inc. Employees Retirement Plan | defined benefit pension plan | 2024 | 3,394 | $244M | $71,875 | — | $869K |
| Urs Government Services Group Pension Plan | defined benefit pension plan | 2024 | 489 | $33.0M | $67,534 | $2,640 | $184K |
| Urs Professional Solutions Pension Plan | defined benefit pension plan | 2024 | 435 | $26.1M | $60,016 | — | $223K |
| US median, plan year 2024: DC plans $53,102 per participant, $2,175 employer contribution per active participant; DB plans $86,221 and $10,244. | |||||||
Trend by plan year
| Plan year | Plans | Participant records | Net assets | Employer contributions | Participant contributions |
|---|---|---|---|---|---|
| 2024 | 3 | 4,318 | $303M | $66K | $0 |
| 2023 | 3 | 4,408 | $310M | $939K | $0 |
| 2022 | 3 | 4,489 | $284M | $0 | $0 |
| 2021 | 3 | 4,577 | $373M | $381K | $0 |
| 2020 | 3 | 4,629 | $357M | $529K | $0 |
| 2019 | 2 | 963 | $65.5M | $3.2M | $0 |
| 2018 | 2 | 970 | $56.1M | $1.3M | $0 |
| 2017 | 2 | 974 | $63.0M | $2.4M | $0 |
| 2016 | 2 | 978 | $56.6M | $2.1M | $0 |
| 2015 | 2 | 982 | $54.9M | $6.0M | $0 |
| 2014 | 2 | 987 | $54.8M | $1.1M | $0 |
| 2013 | 2 | 1,000 | $52.0M | $795K | $0 |
| 2012 | 2 | 1,006 | $51.5M | $506K | $0 |
| 2011 | 2 | 1,013 | $46.9M | $2.3M | $0 |
| 2010 | 2 | 1,018 | $43.8M | $969K | $0 |
| 2009 | 2 | 1,023 | $40.3M | $2.9M | $0 |
History of the plans listed above, in the years each filed the full Form 5500 with 100 or more participants. Plans that have since terminated are not included.
Service providers
| Organisation | Services reported | Plans | Compensation reported |
|---|---|---|---|
| Telus | Contract Administrator | 1 | $309,898 |
| Mercer | Actuarial | 1 | $222,129 |
| Capfinancial | Investment advisory (plan) | 3 | $219,121 |
| Willis Towers Watson US LLC | Actuarial; Consulting (pension) | 2 | $150,721 |
| Milliman | Recordkeeping and information management | 2 | $78,007 |
| Eide Bailly LLP | Accounting (including auditing) | 3 | $67,353 |
| The Bank of New York Mellon | Trustee (bank, trust company, or similar financial institution) | 2 | $65,570 |
| Winston & Strawn, LLP | Legal | 3 | $62,108 |
| Capital Group | Investment advisory (plan) | 1 | $59,735 |
| US Bank | Trustee (bank, trust company, or similar financial institution) | 1 | $41,379 |
Organisations paid $5,000 or more by any of these plans, from Schedule C. Individuals are not shown.
Questions and answers
How many retirement plans does Amentum Nuclear & Environment Holdings, Inc. have?
3 plans with 100 or more participants filed Form 5500 under its employer identification number for the latest plan years: Urs Federal Services, Inc. Employees Retirement Plan, Urs Government Services Group Pension Plan and Urs Professional Solutions Pension Plan. Smaller plans and plans filed under a subsidiary's number are not grouped here.
How much does Amentum Nuclear & Environment Holdings, Inc. contribute to its plans?
$66,000 in employer contributions across these plans in their latest plan years, about $202 per active participant record. Form 5500 reports totals and not the match or accrual formula.
Who provides services to these plans?
Schedule C filings name Telus, Mercer, Capfinancial and Willis Towers Watson US LLC and others. Only organisations paid $5,000 or more by a plan are listed on Schedule C.
Where does this come from?
Form 5500 annual reports filed with the Department of Labor's EFAST2 system, from the EBSA research files, with filings received through 24 Aug 2026. Figures are as filed and may be amended.
Provenance
Source: U.S. Department of Labor, Employee Benefits Security Administration, Form 5500 research files, public domain, with filings received through 24 Aug 2026. Plans are grouped by the sponsor's employer identification number exactly as filed; a company that files under several EINs appears as several employers. See the methodology and corrections.