Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Principal Life Insurance Company Principal Mid Cap S&P 400 Index SA in their Schedule of Assets, totaling $460K in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | WILLIS CADILLAC, INC. WILLIS CADILLAC, INC. RETIREMENT PLAN | DES MOINES IA | 444 | $45.1M | $460K |