MFS Funds > MFS MUNICIPAL SERIES TRUST
MFS Massachusetts Municipal Bond Fund
$371.07M
Avg Monthly Net Assets
$374.97M
Total Assets
$14.81M
Total Liabilities
$360.16M
Net Assets
MFS Massachusetts Municipal Bond Fund is a Mutual Fund in MFS MUNICIPAL SERIES TRUST
from MFS Funds,
based in Massachusetts,
United States of America.
The fund has four share classes
and monthly net assets of $371.07M.
On August 26th, 2024 it reported 276 holdings, the largest
being MFS Institutional Money Market Portfolio (2.3%), Massachusetts Bay Transportation Authority (1.8%) and Massachusetts Development Finance Agency (1.5%).
Data provided by Fincoded.
Share Classes
| Name | Class/Contract ID | Ticker | Monthly Returns (2 years) |
|---|---|---|---|
| Class A | C000006987 | MFSSX | |
| Class B | C000006988 | MBMAX | |
| Class I | C000169770 | MTALX | |
| Class R6 | C000194250 | MPMAX |
Holdings
From latest NPORT-P, filed August 26th, 2024 for period ending June 30th, 2024.
Historic holdings data available from Fincoded.
| Name | Profile | Category | Country | Value $USD | # Shares | % of Fund |
|---|---|---|---|---|---|---|
| Anaheim City School District | Long | Debt | US | $1M | – | 0.35 |
| Buckeye Tobacco Settlement Financing Authority | Long | Debt | US | $1M | – | 0.33 |
| Buckeye Tobacco Settlement Financing Authority | Long | Debt | US | $737K | – | 0.20 |
| California Community Choice Financing Authority | Long | Debt | US | $2M | – | 0.66 |
| California Health Facilities Financing Authority | Long | Debt | US | $3M | – | 0.72 |
| California Municipal Finance Authority | Long | Debt | US | $1M | – | 0.32 |
| Cedar Port Navigation & Improvement District, Series 2023 | Long | Debt | US | $398K | – | 0.11 |
| Cedar Port Navigation & Improvement District, Series 2023 | Long | Debt | US | $160K | – | 0.04 |
| Chicago Board of Education | Long | Debt | US | $1M | – | 0.31 |
| Chicago Board of Education Dedicated Capital Improvement Tax | Long | Debt | US | $790K | – | 0.22 |
| Chicago Board of Education Dedicated Capital Improvement Tax | Long | Debt | US | $287K | – | 0.08 |
| Chicago Board of Education Dedicated Capital Improvement Tax, Series 2016 | Long | Debt | US | $2M | – | 0.49 |
| City & County of Denver (City & County of Denver CO Airport System Revenue) | Long | Debt | US | $255K | – | 0.07 |
| City & County of Denver (City & County of Denver CO Airport System Revenue) | Long | Debt | US | $238K | – | 0.07 |
| City of Brockton (City of Brockton MA) | Long | Debt | US | $2M | – | 0.47 |
| City of Brunswick (City of Brunswick MD) | Long | Debt | US | $31K | – | 0.01 |
| City of Brunswick (City of Brunswick MD) | Long | Debt | US | $24K | – | 0.01 |
| City of Framingham (City of Framingham MA) | Long | Debt | US | $1M | – | 0.34 |
| City of Framingham (City of Framingham MA) | Long | Debt | US | $1M | – | 0.33 |
| City of Lawrence (City of Lawrence MA) | Long | Debt | US | $2M | – | 0.65 |
| City of Lawrence (City of Lawrence MA) | Long | Debt | US | $2M | – | 0.46 |
| City of Lawrence (City of Lawrence MA) | Long | Debt | US | $1M | – | 0.33 |
| City of New Bedford (City of New Bedford MA) | Long | Debt | US | $3M | – | 0.81 |
| City of Pittsfield (City of Pittsfield MA) | Long | Debt | US | $795K | – | 0.22 |
| City of Pittsfield (City of Pittsfield MA) | Long | Debt | US | $732K | – | 0.20 |
| City of Pittsfield (City of Pittsfield MA) | Long | Debt | US | $692K | – | 0.19 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $3M | – | 0.70 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $874K | – | 0.24 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $829K | – | 0.23 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $761K | – | 0.21 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $686K | – | 0.19 |
| City of Quincy (City of Quincy MA) | Long | Debt | US | $661K | – | 0.18 |
| Collegiate Charter School of Lowell | Long | Debt | US | $1M | – | 0.28 |
| Collegiate Charter School of Lowell | Long | Debt | US | $991K | – | 0.28 |
| Commonwealth of Massachusetts | Long | Debt | US | $3M | – | 0.86 |
| Commonwealth of Massachusetts | Long | Debt | US | $2M | – | 0.67 |
| Commonwealth of Massachusetts Transportation Fund Revenue | Long | Debt | US | $3M | – | 0.86 |
| Commonwealth of Massachusetts Transportation Fund Revenue | Long | Debt | US | $3M | – | 0.81 |
| Commonwealth of Massachusetts Transportation Fund, Series 2023B (Commonwealth of Massachusetts Transportation Fund Revenue) | Long | Debt | US | $3M | – | 0.91 |
| Commonwealth of Massachusetts, Series 2015 B | Long | Debt | US | $2M | – | 0.55 |
| Commonwealth of Massachusetts, Series 2024B | Long | Debt | US | $4M | – | 1.12 |
| Commonwealth of Massachusetts, Series 2024B | Long | Debt | US | $2M | – | 0.61 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $467K | – | 0.13 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $390K | – | 0.11 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $381K | – | 0.11 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $277K | – | 0.08 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $167K | – | 0.05 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $144K | – | 0.04 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $140K | – | 0.04 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $123K | – | 0.03 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $107K | – | 0.03 |
| Commonwealth of Puerto Rico | Long | Debt | PR | $23K | – | 0.01 |
| Connecticut Housing Finance Authority, Series 2017 | Long | Debt | US | $383K | – | 0.11 |
| Connecticut State Health & Educational Facilities Authority | Long | Debt | US | $2M | – | 0.61 |
| District of Columbia | Long | Debt | US | $276K | – | 0.08 |
| Energy Southeast A Cooperative District | Long | Debt | US | $3M | – | 0.81 |
| Golden State Tobacco Securitization Corp. | Long | Debt | US | $1M | – | 0.29 |
| Guam Government Waterworks Authority | Long | Debt | GU | $467K | – | 0.13 |
| Guam Power Authority | Long | Debt | GU | $235K | – | 0.07 |
| Guam Power Authority | Long | Debt | GU | $200K | – | 0.06 |
| Harris County Cultural Education Facilities Finance Corp. | Long | Debt | US | $2M | – | 0.52 |
| Massachusetts Bay Transportation Authority Sales Tax Revenue | Long | Debt | US | $3M | – | 0.72 |
| Massachusetts Bay Transportation Authority Sales Tax Revenue | Long | Debt | US | $2M | – | 0.57 |
| Massachusetts Bay Transportation Authority, Series 2000A SUB A-1 | Long | VRDN | US | $6M | – | 1.79 |
| Massachusetts Clean Water Trust (The) | Long | Debt | US | $2M | – | 0.66 |
| Massachusetts Clean Water Trust (The) | Long | Debt | US | $1M | – | 0.38 |
| Massachusetts Development Finance Agency | Long | Debt | US | $4M | – | 1.08 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.90 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.88 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.81 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.80 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.79 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.79 |
| Massachusetts Development Finance Agency | Long | Debt | US | $3M | – | 0.74 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.69 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.64 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.64 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.60 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.59 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.57 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.57 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.57 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.55 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.52 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.51 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.51 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.48 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.44 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.43 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.42 |
| Massachusetts Development Finance Agency | Long | Debt | US | $2M | – | 0.42 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.41 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.40 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.40 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.35 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.35 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.32 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.32 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.31 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $995K | – | 0.28 |
| Massachusetts Development Finance Agency | Long | Debt | US | $951K | – | 0.26 |
| Massachusetts Development Finance Agency | Long | Debt | US | $905K | – | 0.25 |
| Massachusetts Development Finance Agency | Long | Debt | US | $888K | – | 0.25 |
| Massachusetts Development Finance Agency | Long | Debt | US | $876K | – | 0.24 |
| Massachusetts Development Finance Agency | Long | Debt | US | $866K | – | 0.24 |
| Massachusetts Development Finance Agency | Long | Debt | US | $790K | – | 0.22 |
| Massachusetts Development Finance Agency | Long | Debt | US | $742K | – | 0.21 |
| Massachusetts Development Finance Agency | Long | Debt | US | $736K | – | 0.20 |
| Massachusetts Development Finance Agency | Long | Debt | US | $677K | – | 0.19 |
| Massachusetts Development Finance Agency | Long | Debt | US | $642K | – | 0.18 |
| Massachusetts Development Finance Agency | Long | Debt | US | $537K | – | 0.15 |
| Massachusetts Development Finance Agency | Long | Debt | US | $505K | – | 0.14 |
| Massachusetts Development Finance Agency | Long | Debt | US | $504K | – | 0.14 |
| Massachusetts Development Finance Agency | Long | Debt | US | $453K | – | 0.13 |
| Massachusetts Development Finance Agency | Long | Debt | US | $436K | – | 0.12 |
| Massachusetts Development Finance Agency | Long | Debt | US | $430K | – | 0.12 |
| Massachusetts Development Finance Agency | Long | Debt | US | $348K | – | 0.10 |
| Massachusetts Development Finance Agency | Long | Debt | US | $236K | – | 0.07 |
| Massachusetts Development Finance Agency | Long | Debt | US | $206K | – | 0.06 |
| Massachusetts Development Finance Agency | Long | Debt | US | $4K | – | 0.00 |
| Massachusetts Development Finance Agency, Series 2023 F | Long | Debt | US | $1M | – | 0.35 |
| Massachusetts Development Finance Agency, Series 2023 F | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Development Finance Agency, Series 2023 F | Long | Debt | US | $931K | – | 0.26 |
| Massachusetts Development Finance Agency, Series 2024 A | Long | Debt | US | $2M | – | 0.63 |
| Massachusetts Development Finance Agency, Series 2024 T | Long | Debt | US | $3M | – | 0.91 |
| Massachusetts Development Finance Agency, Series 2024 T | Long | Debt | US | $2M | – | 0.67 |
| Massachusetts Development Finance Agency, Series 2024 U-2 | Long | VRDN | US | $5M | – | 1.50 |
| Massachusetts Development Finance Agency, Series 2024D | Long | Debt | US | $3M | – | 0.89 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $3M | – | 0.93 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $3M | – | 0.80 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $3M | – | 0.72 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $2M | – | 0.56 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $2M | – | 0.54 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $1M | – | 0.40 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $1M | – | 0.39 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $1M | – | 0.38 |
| Massachusetts Educational Financing Authority | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Educational Financing Authority, Series 2024 B | Long | Debt | US | $2M | – | 0.49 |
| Massachusetts Health & Educational Facilities Authority | Long | Debt | US | $3M | – | 0.95 |
| Massachusetts Health & Educational Facilities Authority | Long | Debt | US | $2M | – | 0.59 |
| Massachusetts Health & Educational Facilities Authority | Long | Debt | US | $2M | – | 0.52 |
| Massachusetts Health & Educational Facilities Authority | Long | Debt | US | $1M | – | 0.30 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $4M | – | 1.10 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $3M | – | 0.86 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $3M | – | 0.81 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $2M | – | 0.53 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $2M | – | 0.52 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $2M | – | 0.44 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $2M | – | 0.42 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $1M | – | 0.40 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $1M | – | 0.33 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $944K | – | 0.26 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $825K | – | 0.23 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $458K | – | 0.13 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $344K | – | 0.10 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $334K | – | 0.09 |
| Massachusetts Housing Finance Agency | Long | Debt | US | $75K | – | 0.02 |
| Massachusetts Housing Finance Agency, Series 2023 C1 | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Housing Finance Agency, Series 2023 C1 | Long | Debt | US | $1M | – | 0.29 |
| Massachusetts Housing Finance Agency, Series 2023 C1 | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Housing Finance Agency, Series 2024A-1 | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Housing Finance Agency, Series 2024A-1 | Long | Debt | US | $1M | – | 0.28 |
| Massachusetts Housing Finance Agency, Series 2024A-1 | Long | Debt | US | $804K | – | 0.22 |
| Massachusetts Housing Finance Agency, Series 222 | Long | Debt | US | $831K | – | 0.23 |
| Massachusetts Housing Finance Agency, Series 230 | Long | Debt | US | $527K | – | 0.15 |
| Massachusetts Housing Finance Agency, Series 230 | Long | Debt | US | $476K | – | 0.13 |
| Massachusetts Housing Finance Agency, Series 230 | Long | Debt | US | $317K | – | 0.09 |
| Massachusetts Housing Finance Agency, Series 231 | Long | Debt | US | $589K | – | 0.16 |
| Massachusetts Housing Finance Agency, Series 231 | Long | Debt | US | $524K | – | 0.15 |
| Massachusetts Housing Finance Agency, Series 234 | Long | Debt | US | $3M | – | 0.76 |
| Massachusetts Housing Finance Agency, Series 234 | Long | Debt | US | $1M | – | 0.35 |
| Massachusetts Port Authority | Long | Debt | US | $4M | – | 1.02 |
| Massachusetts Port Authority | Long | Debt | US | $3M | – | 0.88 |
| Massachusetts Port Authority | Long | Debt | US | $3M | – | 0.87 |
| Massachusetts Port Authority | Long | Debt | US | $3M | – | 0.85 |
| Massachusetts Port Authority | Long | Debt | US | $3M | – | 0.80 |
| Massachusetts Port Authority | Long | Debt | US | $2M | – | 0.58 |
| Massachusetts Port Authority | Long | Debt | US | $2M | – | 0.58 |
| Massachusetts Port Authority | Long | Debt | US | $2M | – | 0.42 |
| Massachusetts Port Authority | Long | Debt | US | $1M | – | 0.34 |
| Massachusetts School Building Authority | Long | Debt | US | $4M | – | 1.17 |
| Massachusetts Transportation Trust Fund Metropolitan Highway System Revenue | Long | Debt | US | $1M | – | 0.30 |
| Massachusetts Water Resources Authority | Long | Debt | US | $837K | – | 0.23 |
| Massachusetts Water Resources Authority | Long | Debt | US | $659K | – | 0.18 |
| Massachusetts Water Resources Authority | Long | Debt | US | $482K | – | 0.13 |
| Matching Fund Special Purpose Securitization Corp. | Long | Debt | VI | $143K | – | 0.04 |
| MFS Institutional Money Market Portfolio, Class A | Long | Short-term investment vehicle | US | $8M | 8M | 2.25 |
| Minnesota Office of Higher Education | Long | Debt | US | $155K | – | 0.04 |
| New Hampshire Business Finance Authority | Long | Debt | US | $1M | – | 0.30 |
| New Jersey Higher Education Student Assistance Authority | Long | Debt | US | $2M | – | 0.46 |
| New York Liberty Development Corp. | Long | Debt | US | $951K | – | 0.26 |
| New York State Dormitory Authority | Long | Debt | US | $2M | – | 0.59 |
| New York Transportation Development Corp., Series 2024 | Long | Debt | US | $2M | – | 0.49 |
| North Carolina Housing Finance Agency, Series M TEMS 2024 | Long | Debt | US | $1M | – | 0.28 |
| Patriots Energy Group Financing Agency, Series 2023 SUB B-1 | Long | Debt | US | $1M | – | 0.36 |
| Pennsylvania Economic Development Financing Authority | Long | Debt | US | $2M | – | 0.43 |
| Port of Beaumont Navigation District | Long | Debt | US | $453K | – | 0.13 |
| Public Finance Authority | Long | Debt | US | $456K | – | 0.13 |
| Public Finance Authority | Long | Debt | US | $281K | – | 0.08 |
| Public Finance Authority | Long | Debt | US | $224K | – | 0.06 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $401K | – | 0.11 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $256K | – | 0.07 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $208K | – | 0.06 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $158K | – | 0.04 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $150K | – | 0.04 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $115K | – | 0.03 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $110K | – | 0.03 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $95K | – | 0.03 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $75K | – | 0.02 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $68K | – | 0.02 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $38K | – | 0.01 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $33K | – | 0.01 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $18K | – | 0.00 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $15K | – | 0.00 |
| Puerto Rico Electric Power Authority | Long | Debt | PR | $13K | – | 0.00 |
| Puerto Rico Electric Power Authority, Series VV | Long | Debt | PR | $381K | – | 0.11 |
| Puerto Rico Electric Power Authority, Series VV | Long | Debt | PR | $35K | – | 0.01 |
| Puerto Rico Electric Power Authority, Series WW | Long | Debt | PR | $33K | – | 0.01 |
| Puerto Rico Electric Power Authority, Series WW | Long | Debt | PR | $15K | – | 0.00 |
| Puerto Rico Industrial Tourist Educational Medical & Environmental Control Facilities Financing Authority | Long | Debt | PR | $239K | – | 0.07 |
| Puerto Rico Industrial Tourist Educational Medical & Environmental Control Facilities Financing Authority | Long | Debt | PR | $90K | – | 0.03 |
| Puerto Rico Industrial Tourist Educational Medical & Environmental Control Facilities Financing Authority | Long | Debt | PR | $75K | – | 0.02 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $4M | – | 1.05 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $2M | – | 0.60 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $804K | – | 0.22 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $703K | – | 0.20 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $589K | – | 0.16 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $253K | – | 0.07 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $236K | – | 0.07 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $153K | – | 0.04 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $73K | – | 0.02 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $18K | – | 0.01 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax (Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue) | Long | Debt | PR | $5K | – | 0.00 |
| Puerto Rico Sales Tax Financing Corp. Sales Tax | Long | Debt | PR | $4K | – | 0.00 |
| Red River Education Finance Corp. | Long | Debt | US | $472K | – | 0.13 |
| Southeast Energy Authority A Cooperative District | Long | Debt | US | $2M | – | 0.61 |
| State of Illinois | Long | Debt | US | $608K | – | 0.17 |
| State of Illinois | Long | Debt | US | $307K | – | 0.09 |
| State of Illinois | Long | Debt | US | $277K | – | 0.08 |
| State of Illinois | Long | Debt | US | $268K | – | 0.07 |
| State of Nevada Department of Business & Industry, Series 2020 A | Long | Debt | US | $180K | – | 0.05 |
| Tennergy Corp. | Long | Debt | US | $1M | – | 0.38 |
| Tennessee Energy Acquisition Corp. | Long | Debt | US | $2M | – | 0.58 |
| Tennessee Energy Acquisition Corp. | Long | Debt | US | $2M | – | 0.46 |
| Territory of Guam | Long | Debt | GU | $371K | – | 0.10 |
| Territory of Guam | Long | Debt | GU | $245K | – | 0.07 |
| Territory of Guam | Long | Debt | GU | $122K | – | 0.03 |
| Territory of Guam | Long | Debt | GU | $27K | – | 0.01 |
| Toll Road Investors Partnership II LP | Long | Debt | US | $557K | – | 0.15 |
| Toll Road Investors Partnership II LP | Long | Debt | US | $325K | – | 0.09 |
| Town of Nantucket (Town of Nantucket MA) | Long | Debt | US | $1M | – | 0.32 |
| Town of Nantucket (Town of Nantucket MA) | Long | Debt | US | $1M | – | 0.31 |
| Town of Nantucket (Town of Nantucket MA) | Long | Debt | US | $1M | – | 0.28 |
| Town of Norton (Town of Norton MA) | Long | Debt | US | $358K | – | 0.10 |
| Town of Provincetown (Town of Provincetown MA) | Long | Debt | US | $735K | – | 0.20 |
| Town of Tisbury (Town of Tisbury MA) | Long | Debt | US | $4M | – | 1.08 |
| University of Massachusetts Building Authority | Long | Debt | US | $3M | – | 0.70 |
| Village of Bridgeview (Village of Bridgeview IL) | Long | Debt | US | $632K | – | 0.18 |
Address
MFS MUNICIPAL SERIES TRUST
111 Huntington Avenue
Boston
Massachusetts
02199
United States of America
Websites
Directors
Clarence Otis, Jr.
James W. Kilman, Jr.
John A. Caroselli
John P. Kavanaugh
Laurie J. Thomsen
Maryanne L. Roepke
Maureen R. Goldfarb
Michael W. Roberge
Peter D. Jones
Steven E. Buller
Transfer Agents
MFS SERVICE CENTER, INC.
Pricing Services
ICE Data Pricing & Reference Data, LLC
LSEG
PricingDirect Inc.
S&P Global
Custodians
JPMorgan Chase Bank, National Association
Shareholder Servicing Agents
MFS Service Center, Inc.
Admins
MASSACHUSETTS FINANCIAL SERVICES
Brokers
N/A