Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 5 U.S. retirement plans report holding MassMutual S&P 500 Index in their Schedule of Assets, totaling $8.1M in parsed positions. Matched on the normalized security name across each plan’s latest filing and ranked by position size.
Open any plan below to unlock verified email + phone for its decision-makers — the Form 5500 signer, CFO, and HR & Benefits leads.
| # | Sponsor / Plan | Location | Participants | Plan assets (EOY) | Position |
|---|---|---|---|---|---|
| 1 | PLUMBERS & PIPEFITTERS OF SOUT THE PLUMBERS AND PIPEFITTERS OF SOUTHEASTERN ALASKA EMPLOYEES SUPPLEMENTAL RETIREMENT PLAN | JUNEAU AK | 152 | $29.6M | $2.6M |
| 2 | UMANSKY UMG, LLC DBA UMANSKY MOTOR CARS UMANSKY AUTOMOTIVE GROUP PROFIT SHARING AND EMPLOYEE SAVINGS PLAN | MILWAKEE WI | 882 | $19.2M | $2.5M |
| 3 | FERNCO, INC. |
DAVISON MI |
| 270 |
| $41.6M |
| $2.5M |
| 4 | UNITED CEREBRAL PALSY SEGUIN OF GREATER CHICAGO UCP SEGUIN OF GREATER CHICAGO RETIREMENT SAVINGS PLAN | CICERO IL | 519 | $3.5M | $301K |
| 5 | GAMA-1 TECHNOLOGIES, LLC GAMA-1 TECHNOLOGIES 401(K) PLAN | GREENBELT MD | 99 | $5.1M | $216K |
