MMHBX holdings — MFS Municipal High Income Fund

MFS Municipal High Income Fund (MMHBX) held 2,139 positions with net assets of $5.57B as of July 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 8.2% of the fund, led by MFS Institutional Money Market Portfolio, Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue, Berks County Municipal Authority (The).

MMHBX top holdings

  1. MFS Institutional Money Market Portfolio — 2.67% ($148M)
  2. Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue — 1.78% ($98.9M)
  3. Berks County Municipal Authority (The) — 0.57% ($31.8M)
  4. Buckeye Tobacco Settlement Financing Authority — 0.53% ($29.7M)
  5. Black Belt Energy Gas District — 0.49% ($27.5M)
  6. California Community Choice Financing Authority — 0.48% ($26.7M)
  7. New York Transportation Development Corp. — 0.44% ($24.4M)
  8. New Hampshire Business Finance Authority — 0.43% ($23.9M)
  9. New York Transportation Development Corp. — 0.42% ($23.5M)
  10. Public Finance Authority — 0.41% ($22.8M)
  11. Iowa Tobacco Settlement Authority — 0.38% ($20.9M)
  12. New Hampshire Business Finance Authority — 0.36% ($20.2M)
  13. Chicago Board of Education Dedicated Capital Improvement Tax — 0.36% ($20.1M)
  14. Pennsylvania Economic Development Financing Authority — 0.34% ($18.8M)
  15. Black Belt Energy Gas District — 0.33% ($18.5M)
  16. New York Liberty Development Corp. — 0.32% ($18.0M)
  17. New York Transportation Development Corp. — 0.32% ($18.0M)
  18. Public Finance Authority — 0.32% ($17.9M)
  19. Mohegan Tribal Finance Authority — 0.32% ($17.8M)
  20. Florida Development Finance Corp. — 0.32% ($17.8M)
  21. City of Chicago IL — 0.30% ($16.6M)
  22. County of Palm Beach FL — 0.29% ($16.4M)
  23. Public Finance Authority — 0.29% ($16.1M)
  24. Alachua County Health Facilities Authority — 0.29% ($16.0M)
  25. JEA Water & Sewer System Revenue — 0.29% ($16.0M)

What are MMHBX's top 10 holdings?

MFS Institutional Money Market Portfolio (2.7%), Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue (1.8%), Berks County Municipal Authority (The) (0.6%), Buckeye Tobacco Settlement Financing Authority (0.5%), Black Belt Energy Gas District (0.5%), California Community Choice Financing Authority (0.5%), New York Transportation Development Corp. (0.4%), New Hampshire Business Finance Authority (0.4%), New York Transportation Development Corp. (0.4%), Public Finance Authority (0.4%).

How many stocks are in MMHBX?

MFS Municipal High Income Fund reported 2,139 holdings as of July 31, 2026.

Share classes: MMHBX, MMHCX, MMHKX, MMHYX, MMIIX

All ETF and mutual fund holdings