Based on U.S. Department of Labor Form 5500 filings (plan years 2022–2024), 1 U.S. retirement plans report holding MFS Investment Management Massachusetts Investors Trust Class R4 in their Schedule of Assets, totaling $1.6M 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 | BAIRD & WARNER, INC. THE BAIRD & WARNER 401(K) RETIREMENT SAVINGS PLAN | CHICAGO IL | 385 | $45.1M | $1.6M |
