Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Royce Investment Partners Royce Small-Cap Opportunity Fund Investment Class in their Schedule of Assets, totaling $681K 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 | AMPHASTAR PHARMACEUTICALS, INC. AMPHASTAR PHARMACEUTICALS, INC. 401(K) PROFIT SHARING PLAN | RANCHO CUCAMONGA CA | 1,532 | $111.8M | $681K |
