MFS Municipal Income Fund

Fund Profile

Fund profile

Tickers

MFIAX, MMIBX, MMICX, MMIDX, MMIGX, MIMIX, MPMNX

Fund manager

MFS Municipal Income R6

Total assets

$5.97 bn

Liabilities

$21.12 mm

Net assets

$5.95 bn

Number of holdings

2.10 k

Top 200 of 2104 Holdings

As of Dec 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
MFS Institutional Money Market Portfolio, Class A	116.13 mm	116.11 mm shares	1.95	Short-term investment vehicle	Long	USA
Texas Municipal Gas Acquisition & Supply Corp. IV, Series 2023B	32.76 mm	29.76 mm principal	0.55	Debt	Long	USA
North Carolina Turnpike Authority, Series A	30.28 mm	28.85 mm principal	0.51	Debt	Long	USA
New York Transportation Development Corp., Series 2023	30.05 mm	29.27 mm principal	0.50	Debt	Long	USA
New Hampshire Business Finance Authority, Series 2023A	28.70 mm	27.91 mm principal	0.48	Debt	Long	USA
California Community Choice Financing Authority	27.87 mm	26.24 mm principal	0.47	Debt	Long	USA
New York Transportation Development Corp., Series 2024A	27.81 mm	26.23 mm principal	0.47	Debt	Long	USA
Black Belt Energy Gas District, Series 2023C	25.18 mm	23.25 mm principal	0.42	Debt	Long	USA
Philadelphia Authority for Industrial Development, Series 2024A	24.70 mm	22.23 mm principal	0.41	Debt	Long	USA
Puerto Rico Sales Tax Financing Corp. Sales Tax	24.32 mm	24.41 mm principal	0.41	Debt	Long	Puerto Rico
New York Liberty Development Corp.	22.79 mm	22.78 mm principal	0.38	Debt	Long	USA
Virginia Housing Development Authority, Series 2023 D	22.27 mm	22.08 mm principal	0.37	Debt	Long	USA
Triborough Bridge & Tunnel Authority Sales Tax, Series 2024ASUB A-1	21.66 mm	20.00 mm principal	0.36	Debt	Long	USA
New York Transportation Development Corp., Series 2023	21.41 mm	20.02 mm principal	0.36	Debt	Long	USA
West Virginia Hospital Finance Authority, Series 2023B	21.40 mm	19.92 mm principal	0.36	Debt	Long	USA
Tennergy Corp.	20.53 mm	19.23 mm principal	0.34	Debt	Long	USA
Delaware State Housing Authority, Series BDS 2023	20.13 mm	19.72 mm principal	0.34	Debt	Long	USA
Southeast Energy Authority A Cooperative District	19.13 mm	18.17 mm principal	0.32	Debt	Long	USA
California Housing Finance Agency	18.47 mm	18.06 mm principal	0.31	Debt	Long	USA
Chicago Board of Education Dedicated Capital Improvement Tax	18.33 mm	17.81 mm principal	0.31	Debt	Long	USA
Main Street Natural Gas, Inc.	18.32 mm	17.50 mm principal	0.31	Debt	Long	USA
Fishers Town Hall Building Corp., Series 2023 A	18.24 mm	16.03 mm principal	0.31	Debt	Long	USA
Black Belt Energy Gas District, Series 2024 B	18.13 mm	17.19 mm principal	0.30	Debt	Long	USA
Massachusetts Development Finance Agency, Series 2024D	18.13 mm	17.00 mm principal	0.30	Debt	Long	USA
Maryland Department of Housing & Community Development, Series 2024 E	17.86 mm	15.93 mm principal	0.30	Debt	Long	USA
Colorado Health Facilities Authority, Series 2018A	17.73 mm	18.54 mm principal	0.30	Debt	Long	USA
State Public School Building Authority	17.62 mm	17.17 mm principal	0.30	Debt	Long	USA
Colorado Housing and Finance Authority	17.61 mm	16.70 mm principal	0.30	Debt	Long	USA
Chattanooga Health Educational & Housing Facility Board, Series 2024	17.23 mm	16.45 mm principal	0.29	Debt	Long	USA
Wisconsin Health & Educational Facilities Authority	16.91 mm	17.30 mm principal	0.28	Debt	Long	USA
Pennsylvania Economic Development Financing Authority	16.82 mm	16.66 mm principal	0.28	Debt	Long	USA
New Hampshire Business Finance Authority, Series 2024A	16.65 mm	16.68 mm principal	0.28	Debt	Long	USA
Berks County Municipal Authority (The), Series 2024A-3	16.60 mm	17.22 mm principal	0.28	Debt	Long	USA
New Jersey Economic Development Authority	16.38 mm	16.90 mm principal	0.28	Debt	Long	USA
San Antonio Water System, Series 2023A	16.20 mm	15.00 mm principal	0.27	Debt	Long	USA
Michigan State Housing Development Authority, Series 2024A	16.09 mm	15.98 mm principal	0.27	Debt	Long	USA
Buckeye Tobacco Settlement Financing Authority	15.91 mm	17.95 mm principal	0.27	Debt	Long	USA
South Carolina State Housing Finance & Development Authority, Series 2024B	15.73 mm	14.29 mm principal	0.26	Debt	Long	USA
Energy Southeast A Cooperative District, Series 2023B-1	15.58 mm	14.15 mm principal	0.26	Debt	Long	USA
Hampton Roads Transportation Accountability Commission, Series 2024A	15.57 mm	14.25 mm principal	0.26	Debt	Long	USA
FHLMC Multifamily Structured Pass-Through Certificates, Series 2023-ML15, Class A	15.13 mm	15.77 mm principal	0.25	ABS-mortgage backed security	Long	USA
City of St Cloud, Series 2024	14.98 mm	14.35 mm principal	0.25	Debt	Long	USA
Washington State Housing Finance Commission	14.92 mm	16.16 mm principal	0.25	ABS-mortgage backed security	Long	USA
Northampton County General Purpose Authority, Series 2024A-1	14.80 mm	13.56 mm principal	0.25	Debt	Long	USA
Build NYC Resource Corp.	14.52 mm	14.52 mm principal	0.24	Debt	Long	USA
County of Spokane, Series 2024 B	14.48 mm	13.68 mm principal	0.24	Debt	Long	USA
Oregon State Facilities Authority, Series A	14.40 mm	14.02 mm principal	0.24	Debt	Long	USA
Patriots Energy Group Financing Agency, Series 2023 SUB B-1	14.38 mm	13.45 mm principal	0.24	Debt	Long	USA
New York State Dormitory Authority	14.36 mm	14.46 mm principal	0.24	Debt	Long	USA
Colorado Educational & Cultural Facilities Authority	14.35 mm	14.26 mm principal	0.24	Debt	Long	USA
Southeast Energy Authority A Cooperative District, Series 2024A	14.34 mm	13.84 mm principal	0.24	Debt	Long	USA
Main Street Natural Gas, Inc.	14.32 mm	14.26 mm principal	0.24	Debt	Long	USA
New York City Transitional Finance Authority, Future Tax Secured, Fiscal Year 2023	14.32 mm	15.00 mm principal	0.24	Debt	Long	USA
Brazos Higher Education Authority, Inc., Series 2023-1A	14.29 mm	13.75 mm principal	0.24	Debt	Long	USA
Southwest Independent School District, Series 2023	14.28 mm	15.00 mm principal	0.24	Debt	Long	USA
West Virginia Hospital Finance Authority, Series 2023B	14.18 mm	13.00 mm principal	0.24	Debt	Long	USA
California Community Choice Financing Authority, Series 2023 F	14.08 mm	12.94 mm principal	0.24	Debt	Long	USA
New York Transportation Development Corp., Series 2024A	14.03 mm	13.30 mm principal	0.24	Debt	Long	USA
Pennsylvania Economic Development Financing Authority	13.88 mm	13.59 mm principal	0.23	Debt	Long	USA
New Hampshire Housing Finance Authority, Series 2024 1	13.83 mm	13.89 mm principal	0.23	Debt	Long	USA
Texas Water Development Board, Series 2024A	13.61 mm	12.50 mm principal	0.23	Debt	Long	USA
Golden State Tobacco Securitization Corp.	13.54 mm	14.95 mm principal	0.23	Debt	Long	USA
Hampton Roads Transportation Accountability Commission, Series 2024A	13.52 mm	12.39 mm principal	0.23	Debt	Long	USA
New York Transportation Development Corp., Series 2024	13.36 mm	12.82 mm principal	0.22	Debt	Long	USA
Port of Beaumont Industrial Development Authority	13.11 mm	14.75 mm principal	0.22	Debt	Long	USA
Black Belt Energy Gas District	12.92 mm	12.92 mm principal	0.22	Debt	Long	USA
City of South Miami Health Facilities Authority, Inc.	12.92 mm	13.61 mm principal	0.22	Debt	Long	USA
New Hampshire Housing Finance Authority, Series 2024 E	12.85 mm	11.50 mm principal	0.22	Debt	Long	USA
Chambers County Justice Center Public Facilities Corp., Series 2024	12.72 mm	11.98 mm principal	0.21	Debt	Long	USA
EP Essential Housing WF PFC, Series 2024	12.57 mm	12.65 mm principal	0.21	Debt	Long	USA
Pennsylvania Economic Development Financing Authority	12.17 mm	11.86 mm principal	0.20	Debt	Long	USA
New Jersey Higher Education Student Assistance Authority	12.16 mm	12.92 mm principal	0.20	Debt	Long	USA
New Jersey Higher Education Student Assistance Authority, Series 2024 B	11.99 mm	12.27 mm principal	0.20	Debt	Long	USA
Puerto Rico Commonwealth Aqueduct & Sewer Authority	11.88 mm	11.82 mm principal	0.20	Debt	Long	Puerto Rico
Pennsylvania Housing Finance Agency	11.84 mm	11.21 mm principal	0.20	Debt	Long	USA
Affordable Housing Tax-Exempt Bond Pass-Thru Trust	11.83 mm	11.44 mm principal	0.20	Debt	Long	USA
New Orleans Aviation Board, Series 2024B	11.80 mm	11.00 mm principal	0.20	Debt	Long	USA
School District of Philadelphia (The), Series 2023 A	11.79 mm	10.75 mm principal	0.20	Debt	Long	USA
New Jersey Transportation Trust Fund Authority	11.74 mm	19.67 mm principal	0.20	Debt	Long	USA
New Hampshire Health and Education Facilities Authority Act	11.74 mm	12.92 mm principal	0.20	Debt	Long	USA
Public Finance Authority	11.71 mm	12.02 mm principal	0.20	Debt	Long	USA
State of Colorado	11.69 mm	12.15 mm principal	0.20	Debt	Long	USA
Tender Option Bond Trust Receipts	11.44 mm	9.70 mm principal	0.19	Debt	Long	USA
Michigan State Housing Development Authority	11.37 mm	11.06 mm principal	0.19	Debt	Long	USA
Williamsburg Economic Development Authority	11.18 mm	11.36 mm principal	0.19	Debt	Long	USA
FHLMC Multifamily VRD Certificates	11.12 mm	13.00 mm principal	0.19	Debt	Long	USA
Black Belt Energy Gas District, Series 2024 C	11.11 mm	10.52 mm principal	0.19	Debt	Long	USA
FHLMC Multifamily Structured Pass-Through Certificates, Series 2024-ML21, Class AUS	11.07 mm	11.12 mm principal	0.19	ABS-mortgage backed security	Long	USA
Caddo Mills Independent School District, Series 2024	11.03 mm	10.00 mm principal	0.19	Debt	Long	USA
Columbus-Franklin County Finance Authority, Series 2024A	10.90 mm	11.06 mm principal	0.18	Debt	Long	USA
State of Illinois	10.86 mm	10.24 mm principal	0.18	Debt	Long	USA
Chicago Board of Education	10.82 mm	13.01 mm principal	0.18	Debt	Long	USA
Illinois Housing Development Authority	10.76 mm	10.62 mm principal	0.18	Debt	Long	USA
South Carolina State Housing Finance & Development Authority	10.76 mm	10.42 mm principal	0.18	Debt	Long	USA
Lower Colorado River Authority, Series 2024	10.72 mm	9.97 mm principal	0.18	Debt	Long	USA
Commonwealth of Massachusetts Transportation Fund, Series 2024A	10.72 mm	10.00 mm principal	0.18	Debt	Long	USA
City of Chicago	10.66 mm	10.00 mm principal	0.18	Debt	Long	USA
City of Whiting	10.65 mm	10.48 mm principal	0.18	Debt	Long	USA
Texas Municipal Gas Acquisition & Supply Corp. V, Series 2024	10.64 mm	10.00 mm principal	0.18	Debt	Long	USA
Medical Center Educational Building Corp.	10.50 mm	10.99 mm principal	0.18	Debt	Long	USA
Main Street Natural Gas, Inc.	10.45 mm	9.91 mm principal	0.18	Debt	Long	USA
University of Wisconsin Hospitals & Clinics	10.39 mm	10.91 mm principal	0.17	Debt	Long	USA
Arizona Board of Regents	10.38 mm	10.80 mm principal	0.17	Debt	Long	USA
Virginia Commonwealth University Health System Authority	10.36 mm	10.35 mm principal	0.17	Debt	Long	USA
New York State Thruway Authority	10.35 mm	10.65 mm principal	0.17	Debt	Long	USA
County of Jefferson	10.26 mm	9.57 mm principal	0.17	Debt	Long	USA
Louisiana Public Facilities Authority, Series 2024	10.25 mm	9.50 mm principal	0.17	Debt	Long	USA
Wisconsin Housing & Economic Development Authority, Series 2024E	10.20 mm	10.00 mm principal	0.17	Debt	Long	USA
Cooper Green Mercy Health Services Authority	10.19 mm	9.73 mm principal	0.17	Debt	Long	USA
FHLMC Structured Pass-Through Certificates	10.11 mm	10.18 mm principal	0.17	ABS-mortgage backed security	Long	USA
Buckeye Tobacco Settlement Financing Authority	10.06 mm	11.55 mm principal	0.17	Debt	Long	USA
Kentucky Public Energy Authority	10.00 mm	10.00 mm principal	0.17	Debt	Long	USA
Public Finance Authority	10.00 mm	10.34 mm principal	0.17	Debt	Long	USA
New York Transportation Development Corp.	10.00 mm	10.00 mm principal	0.17	Debt	Long	USA
Irvine Facilities Financing Authority	9.99 mm	10.31 mm principal	0.17	Debt	Long	USA
Norfolk Economic Development Authority	9.98 mm	10.59 mm principal	0.17	Debt	Long	USA
Florida Development Finance Corp., Series 2024A	9.82 mm	9.85 mm principal	0.16	Debt	Long	USA
Everett Housing Authority	9.79 mm	10.03 mm principal	0.16	Debt	Long	USA
Chicago Board of Education	9.79 mm	9.91 mm principal	0.16	Debt	Long	USA
County of Manatee	9.73 mm	10.00 mm principal	0.16	Debt	Long	USA
City of Salt Lake City, Series 2023A	9.68 mm	9.00 mm principal	0.16	Debt	Long	USA
North Carolina Turnpike Authority	9.66 mm	9.16 mm principal	0.16	Debt	Long	USA
Augusta Development Authority, Series 2023 A	9.62 mm	9.15 mm principal	0.16	Debt	Long	USA
Oklahoma Development Finance Authority	9.54 mm	9.39 mm principal	0.16	Debt	Long	USA
New Jersey Higher Education Student Assistance Authority	9.51 mm	9.68 mm principal	0.16	Debt	Long	USA
Southeast Energy Authority A Cooperative District	9.48 mm	9.54 mm principal	0.16	Debt	Long	USA
New Hampshire Business Finance Authority	9.25 mm	9.31 mm principal	0.16	Debt	Long	USA
County of Trimble	9.15 mm	10.00 mm principal	0.15	Debt	Long	USA
Brunswick City School District	9.13 mm	8.49 mm principal	0.15	Debt	Long	USA
San Francisco City & County Airport Comm-San Francisco International Airport, Series 2023 C	9.12 mm	8.28 mm principal	0.15	Debt	Long	USA
Main Street Natural Gas, Inc., Series 2023D	8.99 mm	8.57 mm principal	0.15	Debt	Long	USA
County of Cuyahoga	8.98 mm	8.85 mm principal	0.15	Debt	Long	USA
Public Finance Authority	8.96 mm	8.78 mm principal	0.15	Debt	Long	USA
Crowley Independent School District, Series 2023	8.95 mm	8.96 mm principal	0.15	Debt	Long	USA
City of Philadelphia	8.92 mm	8.79 mm principal	0.15	Debt	Long	USA
Metropolitan Government Nashville & Davidson County Health & Educational Facs Bd, Series 2022 A FN	8.90 mm	9.00 mm principal	0.15	Debt	Long	USA
Miami Beach Health Facilities Authority	8.75 mm	9.74 mm principal	0.15	Debt	Long	USA
Orange County Health Facilities Authority	8.67 mm	8.32 mm principal	0.15	Debt	Long	USA
Tarrant County Cultural Education Facilities Finance Corp.	8.66 mm	9.12 mm principal	0.15	Debt	Long	USA
Philadelphia Authority for Industrial Development	8.63 mm	8.51 mm principal	0.14	Debt	Long	USA
Ohio Housing Finance Agency	8.62 mm	8.49 mm principal	0.14	Debt	Long	USA
State of Maryland Department of Transportation, Series 2024 A	8.61 mm	8.12 mm principal	0.14	Debt	Long	USA
California Statewide Communities Development Authority	8.60 mm	8.56 mm principal	0.14	Debt	Long	USA
Chicago O'Hare International Airport	8.58 mm	8.65 mm principal	0.14	Debt	Long	USA
California Statewide Communities Development Authority, Series 2020 R	8.49 mm	10.20 mm principal	0.14	Debt	Long	USA
Puerto Rico Sales Tax Financing Corp. Sales Tax	8.48 mm	11.03 mm principal	0.14	Debt	Long	Puerto Rico
California Community Choice Financing Authority, Series 2024C	8.47 mm	7.99 mm principal	0.14	Debt	Long	USA
Michigan State Housing Development Authority, Series 2024D	8.44 mm	7.69 mm principal	0.14	Debt	Long	USA
Tender Option Bond Trust Receipts	8.36 mm	7.32 mm principal	0.14	Debt	Long	USA
County of Jefferson	8.36 mm	7.71 mm principal	0.14	Debt	Long	USA
Indianapolis Local Public Improvement Bond Bank, Series 2023F-1	8.30 mm	7.82 mm principal	0.14	Debt	Long	USA
Port Authority of New York & New Jersey	8.28 mm	9.01 mm principal	0.14	Debt	Long	USA
Triborough Bridge & Tunnel Authority	8.17 mm	8.50 mm principal	0.14	Debt	Long	USA
Chicago Board of Education, Series 2023A	8.14 mm	7.54 mm principal	0.14	Debt	Long	USA
Kansas City Industrial Development Authority	8.13 mm	8.06 mm principal	0.14	Debt	Long	USA
Louisiana Public Facilities Authority	8.10 mm	7.81 mm principal	0.14	Debt	Long	USA
City of Phoenix Civic Improvement Corp.	8.10 mm	7.87 mm principal	0.14	Debt	Long	USA
Port of Seattle	8.10 mm	7.87 mm principal	0.14	Debt	Long	USA
State of Illinois	8.09 mm	7.73 mm principal	0.14	Debt	Long	USA
Chicago Transit Authority Sales Tax Receipts Fund	8.07 mm	7.86 mm principal	0.14	Debt	Long	USA
Metropolitan Nashville Airport Authority (The)	8.04 mm	7.87 mm principal	0.14	Debt	Long	USA
Lee County Industrial Development Authority, Series 2024C	8.03 mm	7.94 mm principal	0.13	Debt	Long	USA
County of Sacramento CA Airport System Revenue	8.03 mm	7.87 mm principal	0.13	Debt	Long	USA
Regional Transportation District Sales Tax Revenue	8.03 mm	7.87 mm principal	0.13	Debt	Long	USA
Oregon State Facilities Authority	8.01 mm	7.95 mm principal	0.13	Debt	Long	USA
Colorado Health Facilities Authority	7.96 mm	7.87 mm principal	0.13	Debt	Long	USA
Medical Center Educational Building Corp.	7.93 mm	8.35 mm principal	0.13	Debt	Long	USA
Illinois Finance Authority	7.89 mm	7.87 mm principal	0.13	Debt	Long	USA
County of Miami	7.87 mm	7.75 mm principal	0.13	Debt	Long	USA
Colorado Health Facilities Authority	7.84 mm	7.40 mm principal	0.13	Debt	Long	USA
Metropolitan Knoxville Airport Authority, Series 2024A	7.83 mm	7.25 mm principal	0.13	Debt	Long	USA
Empire State Development Corp.	7.83 mm	8.03 mm principal	0.13	Debt	Long	USA
City of Chicago	7.77 mm	7.39 mm principal	0.13	Debt	Long	USA
Cook County Community College District No. 508	7.71 mm	7.61 mm principal	0.13	Debt	Long	USA
New York City Transitional Finance Authority Future Tax Secured	7.67 mm	7.87 mm principal	0.13	Debt	Long	USA
Lamar Consolidated Independent School District	7.65 mm	7.91 mm principal	0.13	Debt	Long	USA
Philadelphia Authority for Industrial Development	7.65 mm	7.09 mm principal	0.13	Debt	Long	USA
Massachusetts Educational Financing Authority	7.64 mm	9.10 mm principal	0.13	Debt	Long	USA
Brock Independent School District	7.61 mm	7.98 mm principal	0.13	Debt	Long	USA
Puerto Rico Sales Tax Financing Corp. Sales Tax	7.60 mm	10.79 mm principal	0.13	Debt	Long	Puerto Rico
Commonwealth of Massachusetts Transportation Fund Revenue	7.56 mm	7.31 mm principal	0.13	Debt	Long	USA
Pennsylvania Higher Education Assistance Agency	7.55 mm	7.86 mm principal	0.13	Debt	Long	USA
Affordable Housing Opportunities Trust, Series AH-01-1, Class A	7.47 mm	9.24 mm principal	0.13	Debt	Long	USA
County of Warren, Series 2024	7.46 mm	7.00 mm principal	0.13	Debt	Long	USA
Public Finance Authority, Series 2024B	7.46 mm	7.16 mm principal	0.13	Debt	Long	USA
Harris County Cultural Education Facilities Finance Corp.	7.42 mm	7.83 mm principal	0.12	Debt	Long	USA
City of Chicago	7.37 mm	7.63 mm principal	0.12	Debt	Long	USA
Utah Housing Corp.	7.36 mm	9.32 mm principal	0.12	Debt	Long	USA
University of Massachusetts Building Authority	7.35 mm	7.00 mm principal	0.12	Debt	Long	USA
City of Houston, Series 2023A	7.35 mm	6.97 mm principal	0.12	Debt	Long	USA
Knox County Health Educational & Housing Facility Board	7.34 mm	7.45 mm principal	0.12	Debt	Long	USA
Illinois Finance Authority	7.32 mm	7.27 mm principal	0.12	Debt	Long	USA
Colorado Health Facilities Authority	7.24 mm	8.09 mm principal	0.12	Debt	Long	USA
Southeast Energy Authority A Cooperative District, Series 2023 B	7.23 mm	6.88 mm principal	0.12	Debt	Long	USA
Virginia Beach Development Authority, Series 2023A	7.20 mm	6.40 mm principal	0.12	Debt	Long	USA
Mohegan Tribal Finance Authority	7.20 mm	7.15 mm principal	0.12	Debt	Long	USA
Michigan Strategic Fund	7.19 mm	7.32 mm principal	0.12	Debt	Long	USA
Chicago O'Hare International Airport	7.18 mm	7.21 mm principal	0.12	Debt	Long	USA
County of Lehigh	7.18 mm	7.90 mm principal	0.12	Debt	Long	USA
River Islands Public Financing Authority	7.18 mm	6.70 mm principal	0.12	Debt	Long	USA