Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 3 U.S. retirement plans report holding MFS Massachusetts Investors Trust R6 Mutual fund in their Schedule of Assets, totaling $810K 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 | ARGENX US INC. ARGENX US INC. 401(K) PROFIT SHARING PLAN | BOSTON MA | 705 | $67.2M | $437K |
| 2 | DUNNHUMBY INC. DUNNHUMBY INC. 401(K) PLAN | CINCINNATI OH | 271 | $50.8M | $366K |
| 3 | AMES RUBBER CORPORATION AMES RUBBER CORPORATION SAVINGS AND INVESTMENT PLAN |
HAMBURG NJ |
| 110 |
| $10.8M |
| $7K |
