ARGONNE NATIONAL LABORATORY 403(B) EMPLOYEE RETIREMENT PLAN

What the Filing Says About ARGONNE NATIONAL LABORATORY 403(B) EMPLOYEE RETIREMENT PLAN

ARGONNE NATIONAL LABORATORY 403(B) EMPLOYEE RETIREMENT PLAN is a Profit Sharing retirement plan sponsored by UCHICAGO ARGONNE, LLC ARGONNE NATIONAL LABORATORY, headquartered in Illinois. As of the 2024 Form 5500 filing, the plan reports $1.7B in total end-of-year assets and covers 3,981 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 680628477, and the plan has been effective since 1974-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $1.6B at the beginning of 2024 to $1.7B at year-end — a gain of 6.1%. Net assets (after liabilities) closed the year at $1.7B, with reported net income of $96M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.