Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding MM S&P 500 Index Fund (Northern Trust) in their Schedule of Assets, totaling $15.3M 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 | BOARD OF TRUSTEES, IRON WORKERS LOCAL NO. 25 IRON WORKERS DEFINED CONTRIBUTION PENSION FUND PLAN | TROY MI | 5,493 | $231.6M | $15.3M |
