MFS Institutional Money Market Portfolio MFS Institutional Money Market Portfolio, Class A is a security (CUSIP 55291X109) tracked across SEC portfolio filings. 32 registered fund positions totaling $1.9B via N-PORT as of 2026-05-31.
Showing 15 of 32 fund positions by value.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| MFS International Equity Fund | MFS Series Trust XVII | $521.1M | 181.54% |
| MFS Growth Fund | MFS Series Trust II | $417.6M | 100.27% |
| MFS Mid Cap Value Fund | MFS SERIES TRUST XI | $222.5M | 139.13% |
| MFS International New Discovery Fund | MFS Series Trust V | $175.9M | 241.42% |
| MFS Income Fund | MFS Series Trust VIII | $150.2M | 183.19% |
| MFS Limited Maturity Fund | MFS Series Trust IX | $94.4M | 282.50% |
| MFS High Income Fund | MFS Series Trust III | $60.3M | 308.03% |
| MFS Massachusetts Investors Growth Stock Fund | MFS Massachusetts Investors Growth Stock Fund | $57.1M | 61.84% |
| MFS Conservative Allocation Fund | MFS SERIES TRUST X | $34.9M | 96.89% |
| Massachusetts Investors Trust | MASSACHUSETTS INVESTORS TRUST | $33.8M | 53.60% |
| MFS INTERMEDIATE INCOME TRUST | MFS INTERMEDIATE INCOME TRUST | $13.2M | 437.96% |
| MFS MUNICIPAL INCOME TRUST | MFS MUNICIPAL INCOME TRUST | $12.1M | 489.73% |
| MFS HIGH INCOME MUNICIPAL TRUST | MFS HIGH INCOME MUNICIPAL TRUST | $9.5M | 738.60% |
| MFS CHARTER INCOME TRUST | MFS CHARTER INCOME TRUST | $7.6M | 280.36% |
| MFS Global Alternative Strategy Fund | MFS Series Trust XV | $7.6M | 349.70% |