MFS Municipal High Income Fund is a registered fund series of MFS Series Trust III (series S000002429). Net assets $5.4B as of 2026-04-30.
Showing 15 of 200 holdings by value.
| Holding | Ticker | Value | % of fund |
|---|---|---|---|
| MFS Institutional Money Market Portfolio | — | $128.2M | 237.16% |
| Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue | — | $100.0M | 184.98% |
| Berks County Municipal Authority (The) | — | $31.8M | 58.80% |
| Buckeye Tobacco Settlement Financing Authority | — | $31.1M | 57.57% |
| California Community Choice Financing Authority | — | $27.0M | 49.94% |
| New York Transportation Development Corp. | — | $24.7M | 45.73% |
| New Hampshire Business Finance Authority | — | $24.3M | 44.93% |
| City of Chicago IL | — | $24.1M | 44.55% |
| New York Transportation Development Corp. | — | $23.6M | 43.69% |
| Iowa Tobacco Settlement Authority | — | $22.8M | 42.17% |
| New Hampshire Business Finance Authority | — | $20.4M | 37.74% |
| Chicago Board of Education Dedicated Capital Improvement Tax | — | $20.1M | 37.16% |
| Pennsylvania Economic Development Financing Authority | — | $18.8M | 34.76% |
| Black Belt Energy Gas District | — | $18.7M | 34.60% |
| New York Transportation Development Corp. | — | $18.1M | 33.52% |
| Report date | Net assets |
|---|---|
| 2026-04-30 | $5.4B |
| 2026-01-31 | $5.3B |
| 2025-10-31 | $5.1B |
| 2025-07-31 | $4.8B |
| 2025-04-30 | $4.8B |
| 2025-01-31 | $4.7B |
| 2024-10-31 | $4.5B |
| 2024-07-31 | $4.4B |