MBMAX holdings — MFS Massachusetts Municipal Bond Fund

MFS Massachusetts Municipal Bond Fund (MBMAX) held 267 positions with net assets of $419M as of June 30, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 12.0% of the fund, led by MFS Institutional Money Market Portfolio, Massachusetts School Building Authority, Massachusetts Development Finance Agency.

MBMAX top holdings

  1. MFS Institutional Money Market Portfolio — 1.65% ($6.89M)
  2. Massachusetts School Building Authority — 1.51% ($6.34M)
  3. Massachusetts Development Finance Agency — 1.33% ($5.59M)
  4. Commonwealth of Massachusetts Transportation Fund Revenue — 1.28% ($5.36M)
  5. Massachusetts Development Finance Agency — 1.24% ($5.18M)
  6. Massachusetts Clean Water Trust (The) — 1.03% ($4.32M)
  7. Massachusetts Bay Transportation Authority Sales Tax Revenue — 1.02% ($4.29M)
  8. Commonwealth of Massachusetts — 1.02% ($4.26M)
  9. Commonwealth of Massachusetts Transportation Fund Revenue — 1.00% ($4.20M)
  10. Tri-County Regional Vocational Technical School District/MA — 0.95% ($3.98M)
  11. Town of Tisbury MA — 0.91% ($3.81M)
  12. Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue — 0.91% ($3.80M)
  13. Massachusetts Development Finance Agency — 0.90% ($3.79M)
  14. Massachusetts Development Finance Agency — 0.88% ($3.70M)
  15. Massachusetts Development Finance Agency — 0.88% ($3.68M)
  16. Massachusetts Port Authority — 0.87% ($3.66M)
  17. Massachusetts Bay Transportation Authority Sales Tax Revenue — 0.79% ($3.29M)
  18. Massachusetts Water Resources Authority — 0.77% ($3.23M)
  19. Massachusetts Development Finance Agency — 0.77% ($3.23M)
  20. Massachusetts Development Finance Agency — 0.77% ($3.21M)
  21. Town of Wakefield MA — 0.76% ($3.20M)
  22. Massachusetts Development Finance Agency — 0.76% ($3.18M)
  23. Commonwealth of Massachusetts Transportation Fund Revenue — 0.75% ($3.16M)
  24. Massachusetts Development Finance Agency — 0.75% ($3.14M)
  25. Massachusetts Development Finance Agency — 0.75% ($3.13M)

What are MBMAX's top 10 holdings?

MFS Institutional Money Market Portfolio (1.6%), Massachusetts School Building Authority (1.5%), Massachusetts Development Finance Agency (1.3%), Commonwealth of Massachusetts Transportation Fund Revenue (1.3%), Massachusetts Development Finance Agency (1.2%), Massachusetts Clean Water Trust (The) (1.0%), Massachusetts Bay Transportation Authority Sales Tax Revenue (1.0%), Commonwealth of Massachusetts (1.0%), Commonwealth of Massachusetts Transportation Fund Revenue (1.0%), Tri-County Regional Vocational Technical School District/MA (1.0%).

How many stocks are in MBMAX?

MFS Massachusetts Municipal Bond Fund reported 267 holdings as of June 30, 2026.

Share classes: MBMAX, MFSSX, MPMAX, MTALX

All ETF and mutual fund holdings