Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Fidelity Investments Mid Cap Index Investor Fund in their Schedule of Assets, totaling $378K 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 | INDUSTRIAL ECONOMICS INCORPORATED IEC EMPLOYEE SAVINGS PLAN | CAMBRIDGE MA | 133 | $11.8M | $378K |
