Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding American Century American Century RD 2055 Trust IX in their Schedule of Assets, totaling $416K 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 | METRON AVIATION, INC. METRON AVIATION, INC. 401(K) PROFIT SHARING PLAN | ASHBURN VA | 56 | $32.9M | $416K |
