MFS Municipal Income Fund is a registered fund series of MFS Municipal Series Trust (series S000002536). Net assets $6.9B as of 2026-03-31.
Showing 15 of 200 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| MFS Institutional Money Market Portfolio | — | $168.4M | 242.46% |
| Black Belt Energy Gas District | — | $36.5M | 52.58% |
| Texas Municipal Gas Acquisition & Supply Corp. IV | — | $32.5M | 46.77% |
| Princeton Independent School District | — | $29.6M | 42.67% |
| New York Transportation Development Corp. | — | $29.2M | 41.97% |
| New York Transportation Development Corp. | — | $29.0M | 41.81% |
| New Hampshire Business Finance Authority | — | $28.6M | 41.20% |
| California Community Choice Financing Authority | — | $27.8M | 39.96% |
| Black Belt Energy Gas District | — | $25.1M | 36.11% |
| New Hampshire Business Finance Authority | — | $24.3M | 34.96% |
| Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue | — | $23.2M | 33.40% |
| Virginia Housing Development Authority | — | $21.8M | 31.42% |
| Pennsylvania Economic Development Financing Authority | — | $21.8M | 31.40% |
| Town of Queen Creek AZ | — | $21.7M | 31.18% |
| Connecticut State Health & Educational Facilities Authority | — | $21.4M | 30.78% |
| Report date | Net assets |
|---|---|
| 2026-03-31 | $6.9B |
| 2025-12-31 | $6.6B |
| 2025-09-30 | $6.2B |
| 2025-06-30 | $5.8B |
| 2025-03-31 | $5.9B |
| 2024-12-31 | $6.0B |
| 2024-09-30 | $5.6B |
| 2024-06-30 | $5.2B |