MPNCX
MFS North Carolina Municipal Bond Fund
MFS Municipal Series Trust

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
304
Top-10 weight
12.00%
Effective holdings ?
172
Crowding ?
20.0

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 MFS Institutional Money Market Portfolio, Class A 15,976,296 $15.98M 2.92%
2 University of North Carolina at Chapel Hill 6,500,000 $6.51M 1.19%
3 GTR ASHEVILLE REGL ARPT AUTH NC ARPT SYS REVENUE 6,000,000 $6.10M 1.12%
4 PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 PRCGEN 6,329,000 $6.02M 1.10%
5 Water and Sewer Authority of Cabarrus County, Series 2024 6,000,000 $5.66M 1.04%
6 City of Charlotte Water & Sewer System, Series 2024 5,000,000 $5.23M 0.96%
7 DALLAS-FORT WORTH TX INTERNATI REGD B/E AMT 5.25000000 5,000,000 $5.22M 0.96%
8 UNIV OF NORTH CAROLINA NC AT CHAPEL HILL REVENUE 5,000,000 $5.22M 0.95%
9 NC GRVUTL 5 09/01/2049 GRVUTL 5,000,000 $5.21M 0.95%
10 NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 5.00000000 4,930,000 $5.03M 0.92%
11 Gastonia Housing Authority, Series 2026 5,000,000 $5.00M 0.92%
12 North Carolina Turnpike Authority, Triangle Expressway System Revenue Bonds, Senior Lien Series 2024A 5,000,000 $5.00M 0.91%
13 NORTH CAROLINA ST CAPITAL FACS FIN AGY REVENUE 4,955,000 $4.98M 0.91%
14 North Carolina Housing Finance Agency, Series M TEMS 2024 4,913,410 $4.95M 0.91%
15 NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000 NCSHSG 4,545,000 $4.90M 0.90%
16 UNIV OF NORTH CAROLINA NC AT C UNCHGR 12/55 FIXED 5 4,665,000 $4.82M 0.88%
17 NYC TRANSIT FIN-F-1 5,120,000 $4.73M 0.87%
18 North Carolina (State of) Medical Care Commission (Rex Healthcare), Series 2020, RB NCSMED 4,935,000 $4.61M 0.84%
19 Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2023 5,000,000 $4.60M 0.84%
20 Florida State Board of Governors, Series 2024A FLSHGR 4,920,000 $4.59M 0.84%
21 City of Charlotte NC Airport Revenue 5,000,000 $4.59M 0.84%
22 NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 5.50000000 4,225,000 $4.51M 0.83%
23 NORTH CAROLINA ST MED CARE COMMISSION HLTH CARE FACS REVENUE 5,000,000 $4.39M 0.80%
24 NORTH CAROLINA ST CENTRL UNIV 5,000,000 $4.31M 0.79%
25 NORTH CAROLINA HSG FIN AGY HOM REGD B/E GNMA/FN 6.25000000 3,920,000 $4.28M 0.78%
26 City of Greensboro 4,000,000 $4.22M 0.77%
27 City of Greensboro 3,990,000 $4.20M 0.77%
28 University of North Carolina at Charlotte (The) 4,415,000 $4.09M 0.75%
29 Raleigh Housing Authority, Series 2024A 4,125,000 $4.07M 0.74%
30 County of Mecklenburg, Series 2025B 4,000,000 $3.94M 0.72%
31 County of Mecklenburg, Series 2025 4,000,000 $3.89M 0.71%
32 County of Guilford, Series 2025 4,000,000 $3.89M 0.71%
33 Inlivian, Series BDS 2024 3,950,000 $3.79M 0.69%
34 Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2023 4,000,000 $3.79M 0.69%
35 Western Carolina University, North Carolina, General Revenue Bonds, Series 2018 WESHGR 3,700,000 $3.76M 0.69%
36 NORTH CAROLINA ST HSG FIN AGY REGD B/E 5.75000000 3,355,000 $3.57M 0.65%
37 NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000 3,280,000 $3.55M 0.65%
38 Gastonia Housing Authority, Series BDS 2024A 3,481,000 $3.48M 0.64%
39 Alameda Corridor Transportation Authority, Series C ALATRN 5,925,000 $3.37M 0.62%
40 NORTH CAROLINA ST CENTRL UNIV 3,265,000 $3.31M 0.61%
41 City of Charlotte NC 4,425,000 $3.23M 0.59%
42 Elizabeth City State University, North Carolina, General Revenue Bonds, Series 2019 3,155,000 $3.22M 0.59%
43 North Carolina Housing Finance Agency, Series 60 3,270,000 $3.18M 0.58%
44 Town of Holly Springs, Series 2026 3,050,000 $3.18M 0.58%
45 City of Charlotte, Series 2025A 3,000,000 $3.14M 0.57%
46 CHARLOTTE-MECKLENBURG NC HOSP AUTH HLTH CARE SYS REVENUE 3,000,000 $3.14M 0.57%
47 Johnston County, North Carolina, Water and Sewer Revenue Bonds, Series 2024 3,000,000 $3.10M 0.57%
48 North Carolina Turnpike Authority NCSTRN 3,000,000 $3.09M 0.57%
49 Appalachian State University, North Carolina, General Revenue Bonds, Millennial Campus End Zone Project, Series 2018 3,000,000 $3.07M 0.56%
50 Charlotte-Mecklenburg Hospital Authority (The), Series 2016 A 3,000,000 $3.00M 0.55%
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