Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding Mass Mutual S&P 500 Index Fund - Class R4 in their Schedule of Assets, totaling $478K in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
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| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | SEEDCO SEEDCO RETIREMENT PLAN | BRONX NY | 103 | $3.4M | $478K |
