Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 2 U.S. retirement plans report holding MFS Mass Investor Grw Stock R6 Mutual Funds in their Schedule of Assets, totaling $3.1M 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 | AEGEUS MANAGEMENT SERVICES AEGEUS 401(K) PLAN | HOUSTON TX | 235 | $26.6M | $2.0M |
| 2 | BRAINTREE LABORATORIES, INC. SEBELA PHARMACEUTICALS INC. 401(K) PLAN | BRAINTREE MA | 273 | $73.0M | $1.1M |
