0001752724-23-267314.txt : 20231127 0001752724-23-267314.hdr.sgml : 20231127 20231127160118 ACCESSION NUMBER: 0001752724-23-267314 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230930 FILED AS OF DATE: 20231127 DATE AS OF CHANGE: 20231127 PERIOD START: 20240331 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MFS MUNICIPAL SERIES TRUST CENTRAL INDEX KEY: 0000751656 IRS NUMBER: 000000000 STATE OF INCORPORATION: MA FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-04096 FILM NUMBER: 231440263 BUSINESS ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 21ST FLOOR CITY: BOSTON STATE: MA ZIP: 02199 BUSINESS PHONE: 18006372929 MAIL ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 21ST FLOOR CITY: BOSTON STATE: MA ZIP: 02199 FORMER COMPANY: FORMER CONFORMED NAME: MFS MANAGED MULTI STATE MUNICIPAL BOND TRUST DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: MFS MANAGED MULTI STATE TAX EXEMPT TRUST DATE OF NAME CHANGE: 19890410 0000751656 S000002521 MFS Alabama Municipal Bond Fund C000006957 A MFALX C000006958 B MBABX C000169758 I MLALX C000194226 R6 MPOLX NPORT-P 1 primary_doc.xml NPORT-P false 0000751656 XXXXXXXX S000002521 C000169758 C000006957 C000006958 C000194226 MFS Municipal Series Trust 811-04096 0000751656 5493001Q9KE7H84Z5340 111 Huntington Avenue Boston 02199 617-954-5000 MFS Alabama Municipal Bond Fund S000002521 M7CC6KLX5LX4YG4Z0676 2024-03-31 2023-09-30 N 64065760.15 493275.21 63572484.94 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 202830.00000000 0.00000000 0.00000000 0.00000000 USD N East Alabama Health Care Authority (The) 254900WODAI3WFO1QH51 270416FJ4 500000.00000000 PA USD 404955.60000000 0.636998223967 Long DBT MUN US N 2 2048-09-01 Fixed 4.00000000 N N N N N N Puerto Rico Electric Power Authority 5493003BRB67HF8ST418 74526QXP2 15000.00000000 PA USD 3750.00000000 0.005898778384 Long DBT MUN PR N 2 2024-07-01 Fixed 5.25000000 Y N N N N N Guam Government Waterworks Authority N/A 40065FBQ6 45000.00000000 PA USD 45077.54000000 0.070907311618 Long DBT MUN GU N 2 2029-07-01 Fixed 5.00000000 N N N N N N Territory of Guam N/A 40065HDV9 85000.00000000 PA USD 74537.89000000 0.117248665158 Long DBT MUN GU N 2 2046-12-01 Fixed 5.00000000 N N N N N N Cherokee County Board of Education AL N/A 16420CCL3 1000000.00000000 PA USD 1009765.20000000 1.588368302659 Long DBT MUN US N 2 2048-12-01 Fixed 5.00000000 N N N N N N New Jersey Transportation Trust Fund Authority 549300YUVD5TEXR6L889 6461366M8 45000.00000000 PA USD 46163.33000000 0.072615267506 Long DBT MUN US N 2 2039-12-15 Fixed 5.00000000 N N N N N N Puerto Rico Electric Power Authority 5493003BRB67HF8ST418 74526QKV3 5000.00000000 PA USD 1250.00000000 0.001966259461 Long DBT MUN PR N 2 2027-07-01 Fixed 5.00000000 Y N N N N N Birmingham-Jefferson Civic Center Authority N/A 091156NG0 500000.00000000 PA USD 498703.60000000 0.784464537560 Long DBT MUN US N 2 2043-07-01 Fixed 5.00000000 N N N N N N Special Care Facilities Financing Authority of the City of Pell City Alabama N/A 705888CJ2 1000000.00000000 PA USD 872996.40000000 1.373229945036 Long DBT MUN US N 2 2038-12-01 Fixed 4.00000000 N N N N N N Puerto Rico Sales Tax Financing Corp. 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