Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 5 U.S. retirement plans report holding MFS MASS INVESTORS GRW R6 GM MUTUAL FUNDS in their Schedule of Assets, totaling $4.0M 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 | SPRINGFIELD ANESTHESIA SERVICE, INC SPRINGFIELD ANESTHESIA SERVICE, INC. 401(K) SAVINGS PLAN | WEST SPRINGFIELD MA | 16 | $80.3M | $2.1M |
| 2 | PER MAR SECURITY & RESEARCH CORPORATION PER MAR SECURITY AND RESEARCH CORP. 401(K) PLAN | DAVENPORT IA | 2,631 | $36.8M | $1.8M |
| 3 | CANCER PARTNERS OF NEBRASKA, P.C. |
LINCOLN NE |
| 187 |
| $32.8M |
| $3K |
| 4 | WILLIAMS INDUSTRIES, INC. WILLIAMS INDUSTRIES, INC. EMPLOYEE SAVINGS AND RETIREMENT PLAN | MANASSAS VA | 133 | $10.5M | $3K |
| 5 | WILLIAMS STEEL ERECTION CO., INC. MONEY PURCHASE PLAN AS ADOPTED BY WILLIAMS STEEL ERECTION CO., INC. | MANASSAS VA | 67 | $3.7M | $3K |
