MFS
Massachusetts Investors Trust A
Ticker MITTX · Mutual fund · Share class: Class ARetail / revenue sharing
Matched by tickerAll MFS (Sun Life) fundsSearch the plans that hold it
Covers 71,410 large plans that list their funds in their annual filing. Updated Nov 6, 2026. Shares describe these plans, not the whole market.
Filings through .
Plans holding
6
1 with $250K or more
Dollars held
$1.0M
69,856 of 69,862 plans with fund lines hold none
Median per plan
$94K
Share of their fund dollars
1.4%
Other share classes of this fund
9 plans hold a costlier class of this fund than the cheapest class held in the data.
| Class | Cost tier | Plans | Dollars |
|---|---|---|---|
| Class InvestorMITHX | Mid cost | 2 | $19.5M |
| Class R6MITJX | Low cost | 6 | $2.8M |
| Class A (this page)MITTX | Retail / revenue sharing | 6 | $1.0M |
| Class R4MITDX | Mid cost | 1 | $615K |
Plans that added or dropped it from 2024 to 2025
Added
0 plans
$0 at year-end 2025
Dropped
1 plan
$768K at year-end 2024
Moved in
0 plans
from another class or vehicle
Moved out
0 plans
to another class or vehicle
Plans that dropped it after 2024 (1 plan)
| Plan | Year-end value |
|---|---|
| Dynalec Corporation Profit Sharing 401(k) Plan$5M-$50M | $768K to $875K |
Stable value and insurance contract lines, renames and class changes are not counted.
Which plans hold Massachusetts Investors Trust A
The largest 10 plans in each list.
| Associated Builders and Contractors, Inc Utah Chapter Mep$10.4M plan · Associated Builders and Contractors, UT · Transamerica (Aegon) | $760K |
| Dellenbach Chevrolet 401(k) Plan$13.2M plan · Dellenbach Chevrolet, Inc., CO · John Hancock (Manulife) | $108K |
| Paulaur Corporation Profit Sharing Plan$8.7M plan · Paulaur Corporation, NJ · ADP | $94K |
| Peoples Bank 401(k) Plan$32.3M plan · Peoples Bank, IA · John Hancock (Manulife) | $40K |
| C4 Technical Services 401(k) Plan$8.0M plan · C4 Technical Services, LLC, MN · John Hancock (Manulife) | $8K |
| Trapper's Sushi, Inc. 401(k) Plan$4.8M plan · Trapper's Sushi, Inc., WA · John Hancock (Manulife) | $345 |
Plans whose filed schedule lists Massachusetts Investors Trust A.
How the filings spell it
No other spellings recorded.