MBARX
MFS Arkansas Municipal Bond Fund
MFS Municipal Series Trust

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
184
Top-10 weight
17.21%
Effective holdings ?
111
Crowding ?
17.3

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 Little Rock, Arkansas, Hotel and Restaurant Gross Receipts Tax Bonds, Series 2014 3,000,000 $3.01M 2.15%
2 Springdale Public Facilities Board 2,820,000 $2.83M 2.02%
3 Arkansas Development Finance Authority 2,605,000 $2.61M 1.86%
4 Arkansas State University 2,500,000 $2.50M 1.79%
5 Arkansas Development Finance Authority 2,470,000 $2.37M 1.69%
6 PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 PRCGEN 2,403,000 $2.28M 1.63%
7 City of Batesville, Series 2024B 2,250,000 $2.11M 1.51%
8 University of Arkansas, Series 2022, RB 2,000,000 $2.07M 1.48%
9 University of Arkansas (Fayetteville Campus), Series 2022 A, RB 2,000,000 $2.06M 1.47%
10 City of Fayetteville 2,000,000 $2.00M 1.43%
11 Arkansas (State of) Development Finance Authority (Baptist Memorial Health), Series 2020, Ref. RB 2,000,000 $2.00M 1.43%
12 North Little Rock School District No. 1 2,000,000 $1.98M 1.41%
13 AR ST HOSP REV 5% 2/1/2038 1,900,000 $1.91M 1.36%
14 SPRINGDALE-B 2,000,000 $1.84M 1.31%
15 Texarkana Public Facilities Board, Series 2025 2,000,000 $1.82M 1.30%
16 UNIV OF ARKANSAS AR UNIV REVENUE 1,705,000 $1.76M 1.26%
17 City of Hot Springs AR Waterworks Revenue 1,750,000 $1.70M 1.22%
18 Conway County Regional Water Distribution District, Series 2024B 1,885,000 $1.69M 1.21%
19 Arkansas Development Finance Authority 1,645,000 $1.65M 1.18%
20 ARKANSAS ST DEV FIN AUTH SF MT REGD B/E GNMA/FN 5.50000000 1,495,000 $1.61M 1.15%
21 University of Arkansas 1,500,000 $1.54M 1.10%
22 ARKANSAS ST DEV FIN AUTH SF MTGE REVENUE 1,455,000 $1.53M 1.10%
23 Conway County Regional Water Distribution District, Series 2024B 1,620,000 $1.45M 1.04%
24 City of Centerton, Series 2024 1,500,000 $1.44M 1.03%
25 City of Hot Springs 1,500,000 $1.41M 1.01%
26 City of Osceola, Series 2023A 1,500,000 $1.39M 0.99%
27 ARKANSAS ST DEV FIN AUTH REVEN REGD B/E 5.00000000 1,310,000 $1.36M 0.97%
28 Arkansas Development Finance Authority, Single Family Mortgage Revenue Bonds, Mortgage-Backed Securities Program, Series 2025A 1,310,000 $1.31M 0.93%
29 El Dorado Special School District No. 15, Series A 1,250,000 $1.28M 0.91%
30 City of Osceola, Series 2024 1,300,000 $1.24M 0.88%
31 County of Phillips 1,170,000 $1.16M 0.83%
32 City of Conway 1,150,000 $1.15M 0.82%
33 MASSACHUSETTS ST BAY TRANSPRTN AUTH SALES TAX REVENUE 1,000,000 $1.09M 0.78%
34 S E ENERGY COOP DT 1,005,000 $1.08M 0.77%
35 ARKANSAS DEV FIN AUTH 1,000,000 $1.07M 0.76%
36 ARKANSAS ST DEV FIN AUTH REVENUE 1,000,000 $1.06M 0.76%
37 Greene County Technical School District No. T-1 1,100,000 $1.03M 0.74%
38 FORT SMITH SALE 5.25% 11/1/2055 1,000,000 $1.03M 0.74%
39 University of Arkansas 1,000,000 $1.03M 0.73%
40 University of Arkansas, Series 2024 1,000,000 $1.03M 0.73%
41 BEAVER WTR DT 1,000,000 $1.02M 0.73%
42 Beaver Water District of Benton & Washington Counties, Series 2025 1,000,000 $1.02M 0.73%
43 City of Bentonville, Series 2023 1,000,000 $1.01M 0.72%
44 City of Dardanelle, Series 2025 1,000,000 $1.01M 0.72%
45 City of Marion, Series 2025 B 1,000,000 $1.01M 0.72%
46 County of Madison, Series 2023 1,000,000 $1.01M 0.72%
47 Arkansas Development Finance Authority, Single Family Mortgage Revenue Bonds, Mortgage-Backed Securities Program, Series 2025B 1,000,000 $1.01M 0.72%
48 Arkansas Development Finance Authority 1,000,000 $1.00M 0.72%
49 State of Arkansas 1,000,000 $1.00M 0.72%
50 ARKANSAS DEV FIN AUTH HLTHCARE REVENUE 1,000,000 $1.00M 0.72%
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