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 Adm Invested in Mutual Funds in their Schedule of Assets, totaling $211K 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 | SHARED SUPPORT INC. SHARED SUPPORT INC. 401(K) PLAN | SUNBURY PA | 226 | $5.9M | $211K |
