MBWVX
MFS West Virginia Municipal Bond Fund
MFS Municipal Series Trust

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
136
Top-10 weight
20.38%
Effective holdings ?
83
Crowding ?
24.4

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds 2,000,000 $2.06M 2.46%
2 Morgantown Utility Board, Inc., Series 2018 B, RB 2,000,000 $2.05M 2.45%
3 West Virginia University 2,000,000 $2.03M 2.43%
4 WV HOSP 4% 6/1/2051 2,220,000 $1.94M 2.32%
5 PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 PRCGEN 1,842,000 $1.75M 2.09%
6 WV HOSP 5% 9/1/2039 1,500,000 $1.52M 1.82%
7 WV ST WTR 5% 11/1/2033 1,475,000 $1.49M 1.78%
8 MFS Institutional Money Market Portfolio, Class A 1,321,086 $1.32M 1.58%
9 WEST VIRGINIA ST 1,225,000 $1.31M 1.56%
10 City of Wheeling, Series 2021 A 1,500,000 $1.29M 1.55%
11 MARSHALL UNIV WV 1,500,000 $1.28M 1.52%
12 Fairmont State University 1,050,000 $1.15M 1.37%
13 West Virginia Economic Development Authority 1,120,000 $1.12M 1.34%
14 West Virginia Economic Development Authority, Series 2023 A-1 1,000,000 $1.05M 1.26%
15 W VIRGINIA ST H-SER B WVSMED 1,000,000 $1.05M 1.26%
16 Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P OHIGEN 1,000,000 $1.04M 1.24%
17 WHEELING WV WTRWKS & SWR SYS R REGD B/E BAM 5.25000000 1,000,000 $1.03M 1.23%
18 WEST VIRGINIA ST ECON DEV AUTH EXCESS LOTTERY REVENUE 1,000,000 $1.03M 1.23%
19 West Virginia (State of) (Bidding Group 2), Series 2019 A, GO Bonds 1,000,000 $1.03M 1.23%
20 West Virginia Lottery Excess Lottery 1,050,000 $1.02M 1.22%
21 Berkeley County Board of Education 1,000,000 $1.02M 1.22%
22 West Virginia Housing Development Fund 1,000,000 $1.02M 1.21%
23 West Virginia Housing Development Fund, Series 2023D 1,000,000 $1.01M 1.21%
24 WEST VIRGINIA ST HOSP FIN AUTH 1,000,000 $1.01M 1.21%
25 West Virginia Housing Development Fund, Series 2023D 1,000,000 $1.01M 1.20%
26 WEST VIRGINIA ST HSG DEV FUND 1,000,000 $1.01M 1.20%
27 Wood County Board of Education, Series 2023 1,000,000 $1.00M 1.20%
28 West Virginia Housing Development Fund, Series 2025A 1,000,000 $1.00M 1.20%
29 WV HOSP FIN AUTH-A 1,000,000 $1.00M 1.20%
30 West Virginia Housing Development Fund 1,000,000 $1.00M 1.20%
31 West Virginia Hospital Finance Authority 1,000,000 $1.00M 1.20%
32 West Virginia Housing Development Fund 1,000,000 $997.94K 1.19%
33 Ohio County, WV Commission TIF Rev. Refg. (Highlands) OHSDEV 1,000,000 $974.14K 1.16%
34 WEST VIRGINIA ST HSG DEV FUND 1,000,000 $971.40K 1.16%
35 Berkeley County Public Service Sewer District, Series 2025A 1,000,000 $960.44K 1.15%
36 WEST VIRGINIA ST HOSP FIN AUTH WVSMED 01/47 FIXED OID 4.125 1,245,000 $959.20K 1.15%
37 West Virginia Housing Development Fund, Series 2024D 1,000,000 $957.31K 1.14%
38 Berkeley County Public Service District, Series 2025 A 1,000,000 $951.51K 1.14%
39 Berkeley County Public Service Sewer District, Series 2025A 1,000,000 $942.22K 1.13%
40 Greenbrier Public Service District No. 1 1,000,000 $932.47K 1.12%
41 West Virginia Housing Development Fund 1,000,000 $930.20K 1.11%
42 W VA HOSP FIN AUTH-A 1,000,000 $921.08K 1.10%
43 WV PARKWAYS AUTH 1,000,000 $914.34K 1.09%
44 Monongalia County, West Virginia, Tax Increment Revenue Bonds, University Town Centre Development District 4, Senior Refunding and Improvement Series MONGEN 875,000 $911.87K 1.09%
45 VIRGIN ISLANDS PUBLIC FIN AUTH VITGEN 10/32 FIXED 5 900,000 $902.64K 1.08%
46 NJ TRANSPRTN TRUST-AA 1,000,000 $901.91K 1.08%
47 West Virginia University 875,000 $890.99K 1.07%
48 MONONGALIA RV 4.125% 6/1/2043 920,000 $838.67K 1.00%
49 West Virginia Hospital Finance Authority 795,000 $796.09K 0.95%
50 Ohio County Commission, West Virginia, Special District Excise Tax Revenue Bonds, Fort Henry Economic Opportunity Development District-the Highlands P OHIGEN 750,000 $789.73K 0.94%
1 / 3 Next ›

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.