MIVAX
MFS Virginia Municipal Bond Fund
MFS Municipal Series Trust

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
230
Top-10 weight
13.83%
Effective holdings ?
139
Crowding ?
23.2

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 MFS Institutional Money Market Portfolio, Class A 7,156,754 $7.16M 2.08%
2 PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 PRCGEN 6,292,000 $5.98M 1.73%
3 Washington Metropolitan Area Transit Authority, Series 2020 A, RB 5,000,000 $5.12M 1.48%
4 VIRGINIA ST CLG BLDG 4,000,000 $4.31M 1.25%
5 RIVERSIDE HEALTHCARE ASSOCIATION OBLIGATED GROUP AG 5.25% 07-01-48 4,000,000 $4.18M 1.21%
6 Virginia Port Authority, Series 2025 4,000,000 $4.16M 1.21%
7 Hampton Roads Transportation Accountability Commission, Series 2024, RB 4,000,000 $4.15M 1.20%
8 VIRGINIA ST HSG DEV AUTH 4,000,000 $4.05M 1.18%
9 VIRGINIA ELECTRIC AND POWER CO (MPT) 3.65% 11-01-35 LOUPOL 4,000,000 $4.05M 1.17%
10 City of Alexandria, Series 2025 3,585,000 $4.04M 1.17%
11 RICHMOND REDEV HSG-FN 3,950,815 $4.00M 1.16%
12 Washington Metropolitan Area Transit Authority, Series 2018, RB 3,860,000 $3.91M 1.13%
13 County of Spotsylvania 3,865,000 $3.90M 1.13%
14 Norfolk Redevelopment & Housing Authority, Series 2024 3,969,360 $3.88M 1.13%
15 Virginia Housing Development Authority, Series 2023 D 4,000,000 $3.81M 1.10%
16 MTRO WA DC ARPT 5.25% 10/1/48@ METAPT 3,600,000 $3.70M 1.07%
17 VA FAIDEV 4 05/15/2048 FAIDEV 4,000,000 $3.67M 1.07%
18 MWAA DULLES TOL 4% 10/1/2052 METAPT 4,180,000 $3.59M 1.04%
19 Virginia Resources Authority 3,450,000 $3.51M 1.02%
20 HAMPTON ROADS VA TRANSPRTN ACCOUNTABILITY COMMISSION 4,000,000 $3.42M 0.99%
21 New River Valley Regional Jail Authority 3,205,000 $3.23M 0.94%
22 VIRGINIA SMALL BUSINESS FINANCING AUTHORITY 3,000,000 $3.16M 0.92%
23 Fairfax (County of), VA Industrial Development Authority (Inova Health System), Series 2024, RB 3,000,000 $3.09M 0.90%
24 CHESAPEAKE REDEV HSG 2,965,000 $3.05M 0.88%
25 Fairfax County Water Authority 3,000,000 $3.04M 0.88%
26 Hampton Roads Sanitation District, Series 2016 A, Ref. RB 3,000,000 $3.03M 0.88%
27 Virginia Housing Development Authority, Series 2024F SUB F-3 3,000,000 $3.01M 0.87%
28 LYNCHBURG VA ECON DEV AUTH HOSP REVENUE 3,000,000 $3.00M 0.87%
29 Fairfax County Redevelopment & Housing Authority, Series 2024A 3,000,000 $2.94M 0.85%
30 VIRGINIA ST SMALL BUSINESS FIN VIRGINIA SMALL BUSINESS FINANCING AUTHORITY 3,445,000 $2.94M 0.85%
31 Arlington County Industrial Development Authority 2,800,000 $2.93M 0.85%
32 Virginia Housing Development Authority 3,000,000 $2.92M 0.85%
33 VIRGINIA ST SMALL BUS 3,370,000 $2.89M 0.84%
34 Henry County Industrial Development Authority 3,000,000 $2.86M 0.83%
35 CHESAPEAKE BRDG 5% 7/1/2051 3,000,000 $2.85M 0.83%
36 HAMPTON ROADS TRANSPORTATION FUND 5.0% 07-01-54 2,765,000 $2.83M 0.82%
37 City of Petersburg, Series 2024 3,000,000 $2.78M 0.81%
38 VIRGINIA ST CMWLTH TRANSPRTN BRD TRANSPRTN REVENUE 2,750,000 $2.77M 0.80%
39 MWAA DULLES TOL 4% 10/1/2044 3,000,000 $2.73M 0.79%
40 VIRGINIA ST HSG DEV AUTH REGD B/E 5.15000000 2,680,000 $2.71M 0.79%
41 Virginia Housing Development Authority 3,000,000 $2.70M 0.78%
42 NORFOLK VA ECON DEV AUTH HOSPF NORMED 11/48 FIXED 4 3,000,000 $2.70M 0.78%
43 VIRGINIA ST SMALL BUSINESS FIN VASMED 06/55 FIXED 5.25 2,500,000 $2.55M 0.74%
44 UNIVERSITY OF VIRGINIA 2,500,000 $2.53M 0.73%
45 Virginia Housing Development Authority 2,580,000 $2.53M 0.73%
46 Virginia Housing Development Authority 2,875,000 $2.50M 0.72%
47 VIRGINIA ST RESOURCES AUTH INFRASTRUCTURE REVENUE 2,350,000 $2.49M 0.72%
48 MWAA DULLES TOL 4% 10/1/2053 2,830,000 $2.42M 0.70%
49 VIRGINIA ST SMALL BUSINESS FIN REGD OID B/E AMT 3.00000000 VASDEV 3,000,000 $2.41M 0.70%
50 City of Alexandria, Series 2025 2,080,000 $2.36M 0.69%
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