Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 3 U.S. retirement plans report holding Mass Mutual US government money market fund in their Schedule of Assets, totaling $9.7M 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 | 899210-01 NEXTEP, INC. NEXTEP 401(K) RETIREMENT SAVINGS PLAN | NORMAN OK | 16,913 | $566.4M | $7.1M |
| 2 | FAMILY TRUST FEDERAL CREDIT UNION FAMILY TRUST FEDERAL CREDIT UNION 401(K) PLAN | ROCK HILL SC | 165 | $15.9M | $2.6M |
| 3 | INTERFACE SECURITY SYSTEMS, L.L.C. |
ST. LOUIS MO |
| 576 |
| $27.7M |
| $13K |
