Uchicago Argonne, LLC — Form 5500 filings & benefit plans
Form 5500 plan sponsor summary
According to public Form 5500 filings published through the U.S. Department of Labor (DOL) Employee Benefits Security Administration (EBSA) via the EFAST2 system, Uchicago Argonne, LLC (EIN 68-0628477) is a plan sponsor located in Lemont, IL with 3 reported benefit plan(s) in the loaded dataset. The latest loaded Form 5500 filing year is 2023.
Company overview (based on loaded 2023 public filings)
- EIN
- 68-0628477
- Location
- Lemont, IL
- Loaded plans
- 5
- Total reported participants
- 19,579
- Total reported plan assets (EOY)
- $2,519,486,683
- Plans with financial data
- 2
- Plans with provider compensation
- 4
- Latest filing year
- 2023
Totals aggregate this sponsor's loaded Form 5500 filings only and reflect figures as reported; they are not an audited company total.
Largest loaded plans by reported assets
| Plan | Plan # | Participants | Reported assets (EOY) | Year |
|---|---|---|---|---|
| Argonne National Laboratory 403(B) Employee Retirement Plan | 005 | 5,634 | $1,577,078,821 | 2023 |
| Argonne National Laboratory 401(A) Retirement Plan | 009 | 4,802 | $942,407,862 | 2023 |
| Argonne National Laboratory Master Welfare Plan | 501 | 3,983 | not reported in the loaded dataset | 2023 |
| Argonne National Laboratory Severance Plan 521 | 521 | 3,112 | not reported in the loaded dataset | 2023 |
| Argonne Retiree Health Reimbursement Account | 533 | 2,048 | not reported in the loaded dataset | 2023 |
Latest loaded filings
| Year | Plan | Participants | Schedules | Filing |
|---|---|---|---|---|
| 2023 | Argonne National Laboratory Master Welfare Plan | 3,983 | C | 20240722152833NAL0023285810001 |
| 2023 | Argonne National Laboratory Severance Plan 521 | 3,112 | — | 20240722153008NAL0005988851001 |
| 2023 | Argonne Retiree Health Reimbursement Account | 2,048 | C | 20240722153057NAL0016733120001 |
| 2023 | Argonne National Laboratory 401(A) Retirement Plan | 4,802 | H, C | 20240910105542NAL0003437779001 |
| 2023 | Argonne National Laboratory 403(B) Employee Retirement Plan | 5,634 | H, C | 20240910154611NAL0003087571001 |