MFS Municipal High Income Fund

Fund Profile

Fund profile

Tickers

MMHYX, MMHBX, MMHCX, MMIIX, MMHKX

Fund manager

MFS Series Trust Iii

Total assets

$4.61 bn

Liabilities

$66.44 mm

Net assets

$4.54 bn

Number of holdings

1.76 k

Top 200 of 1760 Holdings

As of Oct 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
Puerto Rico Sales Tax Financing Corp. Sales Tax	103.13 mm	102.93 mm principal	2.27	Debt	Long	Puerto Rico
MFS Institutional Money Market Portfolio, Class A	79.10 mm	79.09 mm shares	1.74	Short-term investment vehicle	Long	USA
Buckeye Tobacco Settlement Financing Authority	69.24 mm	76.69 mm principal	1.53	Debt	Long	USA
New York City Housing Development Corp.	46.60 mm	46.65 mm principal	1.03	Debt	Long	USA
Berks County Municipal Authority (The), Series 2024A-3	33.44 mm	33.84 mm principal	0.74	Debt	Long	USA
California Community Choice Financing Authority	27.39 mm	25.51 mm principal	0.60	Debt	Long	USA
Public Finance Authority	26.49 mm	27.38 mm principal	0.58	Debt	Long	USA
New York Transportation Development Corp., Series 2023	25.24 mm	24.61 mm principal	0.56	Debt	Long	USA
City of Chicago	25.24 mm	23.74 mm principal	0.56	Debt	Long	USA
New York Liberty Development Corp.	24.50 mm	24.50 mm principal	0.54	Debt	Long	USA
New Hampshire Business Finance Authority, Series 2023A	24.32 mm	23.48 mm principal	0.54	Debt	Long	USA
Iowa Tobacco Settlement Authority	23.78 mm	157.90 mm principal	0.52	Debt	Long	USA
New York Transportation Development Corp., Series 2024A	21.76 mm	20.65 mm principal	0.48	Debt	Long	USA
Chicago Board of Education Dedicated Capital Improvement Tax	20.56 mm	19.86 mm principal	0.45	Debt	Long	USA
Port of Beaumont Industrial Development Authority	20.43 mm	23.05 mm principal	0.45	Debt	Long	USA
Harris County-Houston Sports Authority	20.23 mm	40.28 mm principal	0.45	Debt	Long	USA
Golden State Tobacco Securitization Corp.	19.07 mm	20.76 mm principal	0.42	Debt	Long	USA
New York Transportation Development Corp., Series 2023	18.81 mm	17.42 mm principal	0.41	Debt	Long	USA
Mohegan Tribal Finance Authority	18.25 mm	18.10 mm principal	0.40	Debt	Long	USA
Public Finance Authority	17.85 mm	17.86 mm principal	0.39	Debt	Long	USA
County of Palm Beach	17.72 mm	18.85 mm principal	0.39	Debt	Long	USA
City of Houston TX Airport System Revenue	16.34 mm	16.26 mm principal	0.36	Debt	Long	USA
New York Transportation Development Corp.	16.00 mm	16.75 mm principal	0.35	Debt	Long	USA
Washington State Housing Finance Commission	15.90 mm	16.90 mm principal	0.35	ABS-mortgage backed security	Long	USA
Michigan State Housing Development Authority, Series 2024A	15.86 mm	15.87 mm principal	0.35	Debt	Long	USA
Energy Southeast A Cooperative District, Series 2023B-1	15.01 mm	13.50 mm principal	0.33	Debt	Long	USA
Tennergy Corp.	14.86 mm	13.74 mm principal	0.33	Debt	Long	USA
Pennsylvania Economic Development Financing Authority	14.80 mm	14.33 mm principal	0.33	Debt	Long	USA
County of Cuyahoga	14.65 mm	14.40 mm principal	0.32	Debt	Long	USA
Oklahoma Development Finance Authority	14.59 mm	14.30 mm principal	0.32	Debt	Long	USA
Tarrant County Cultural Education Facilities Finance Corp.	14.46 mm	22.95 mm principal	0.32	Debt	Long	USA
Chattanooga Health Educational & Housing Facility Board, Series 2024	14.45 mm	13.55 mm principal	0.32	Debt	Long	USA
Puerto Rico Electric Power Authority	14.12 mm	27.42 mm principal	0.31	Debt	Long	Puerto Rico
Chicago Board of Education	13.94 mm	14.20 mm principal	0.31	Debt	Long	USA
Montgomery County Industrial Development Authority	13.89 mm	14.73 mm principal	0.31	Debt	Long	USA
Public Finance Authority	13.82 mm	17.30 mm principal	0.30	Debt	Long	USA
New Hampshire Business Finance Authority, Series 2024A	13.73 mm	13.73 mm principal	0.30	Debt	Long	USA
Syracuse Industrial Development Agency	13.38 mm	17.54 mm principal	0.29	Debt	Long	USA
New Jersey Higher Education Student Assistance Authority	13.27 mm	13.43 mm principal	0.29	Debt	Long	USA
California Community College Financing Authority	13.18 mm	12.81 mm principal	0.29	Debt	Long	USA
South Carolina State Housing Finance & Development Authority, Series 2024B	13.07 mm	11.80 mm principal	0.29	Debt	Long	USA
Wisconsin Health & Educational Facilities Authority	12.88 mm	13.95 mm principal	0.28	Debt	Long	USA
Oregon State Facilities Authority, Series A	12.53 mm	12.16 mm principal	0.28	Debt	Long	USA
Build NYC Resource Corp.	12.18 mm	12.16 mm principal	0.27	Debt	Long	USA
Loretto Heights Community Authority	12.07 mm	14.95 mm principal	0.27	Debt	Long	USA
Berks County Municipal Authority (The), Series 2024 B-1	12.05 mm	16.91 mm principal	0.27	Debt	Long	USA
Everett Housing Authority	12.05 mm	12.35 mm principal	0.27	Debt	Long	USA
St Louis County Industrial Development Authority	11.98 mm	11.92 mm principal	0.26	Debt	Long	USA
New Hampshire Business Finance Authority	11.58 mm	11.61 mm principal	0.26	Debt	Long	USA
Chicago Board of Education, Series 2023A	11.57 mm	10.70 mm principal	0.25	Debt	Long	USA
Florida Development Finance Corp.	11.55 mm	11.89 mm principal	0.25	Debt	Long	USA
Village of Bridgeview	11.46 mm	12.67 mm principal	0.25	Debt	Long	USA
Capital Trust Agency, Inc.	11.41 mm	12.00 mm principal	0.25	Debt	Long	USA
New Jersey Higher Education Student Assistance Authority	11.40 mm	12.08 mm principal	0.25	Debt	Long	USA
New Hampshire Housing Finance Authority, Series 2024 1	11.37 mm	11.40 mm principal	0.25	Debt	Long	USA
Affordable Housing Tax-Exempt Bond Pass-Thru Trust	11.33 mm	10.82 mm principal	0.25	Debt	Long	USA
Philadelphia Authority for Industrial Development, Series 2024A	11.10 mm	10.00 mm principal	0.24	Debt	Long	USA
New York Transportation Development Corp., Series 2024A	11.07 mm	10.47 mm principal	0.24	Debt	Long	USA
Public Finance Authority	11.05 mm	13.30 mm principal	0.24	Debt	Long	USA
New York Transportation Development Corp., Series 2024	11.05 mm	10.56 mm principal	0.24	Debt	Long	USA
Public Finance Authority	11.04 mm	11.25 mm principal	0.24	Debt	Long	USA
New Hampshire Health and Education Facilities Authority Act	11.01 mm	12.08 mm principal	0.24	Debt	Long	USA
Metropolitan Pier & Exposition Authority	10.96 mm	29.48 mm principal	0.24	Debt	Long	USA
Tarrant County Cultural Education Facilities Finance Corp.	10.74 mm	11.23 mm principal	0.24	Debt	Long	USA
Wisconsin Health & Educational Facilities Authority	10.72 mm	11.51 mm principal	0.24	Debt	Long	USA
Chicago Board of Education	10.36 mm	10.61 mm principal	0.23	Debt	Long	USA
State of Illinois	10.31 mm	10.18 mm principal	0.23	Debt	Long	USA
Massachusetts Educational Financing Authority	10.21 mm	12.07 mm principal	0.22	Debt	Long	USA
State of Illinois	10.10 mm	9.31 mm principal	0.22	Debt	Long	USA
Port of Beaumont Navigation District	9.93 mm	11.68 mm principal	0.22	Debt	Long	USA
Syracuse Industrial Development Agency	9.92 mm	13.02 mm principal	0.22	Debt	Long	USA
Florida Development Finance Corp.	9.88 mm	9.87 mm principal	0.22	Debt	Long	USA
Harris County Cultural Education Facilities Finance Corp.	9.76 mm	10.14 mm principal	0.21	Debt	Long	USA
District of Columbia	9.65 mm	9.81 mm principal	0.21	Debt	Long	USA
FHLMC Multifamily Structured Pass-Through Certificates, Series 2024-ML21, Class AUS	9.57 mm	9.31 mm principal	0.21	ABS-mortgage backed security	Long	USA
State of Illinois	9.52 mm	8.81 mm principal	0.21	Debt	Long	USA
Palomar Health	9.33 mm	10.00 mm principal	0.21	Debt	Long	USA
North Carolina Medical Care Commission, Series 2021 A	9.31 mm	10.90 mm principal	0.21	Debt	Long	USA
Toll Road Investors Partnership II LP	9.30 mm	31.28 mm principal	0.20	Debt	Long	USA
Kentucky Higher Education Student Loan Corp.	9.30 mm	8.97 mm principal	0.20	Debt	Long	USA
Louisiana Local Government Environmental Facilities & Community Development Authority	9.15 mm	10.38 mm principal	0.20	Debt	Long	USA
New Hampshire Business Finance Authority, Series 2024	9.07 mm	9.25 mm principal	0.20	Debt	Long	USA
Louisiana Public Facilities Authority	8.93 mm	10.00 mm principal	0.20	Debt	Long	USA
Scranton-Lackawanna Health and Welfare Authority	8.92 mm	10.02 mm principal	0.20	Debt	Long	USA
Massachusetts Educational Financing Authority	8.91 mm	10.36 mm principal	0.20	Debt	Long	USA
California Statewide Communities Development Authority	8.86 mm	8.60 mm principal	0.20	Debt	Long	USA
California Public Finance Authority	8.85 mm	7.49 mm principal	0.19	Debt	Long	USA
Louisiana Public Facilities Authority	8.85 mm	8.47 mm principal	0.19	Debt	Long	USA
Toll Road Investors Partnership II LP	8.82 mm	8.97 mm principal	0.19	Debt	Long	USA
Public Finance Authority	8.74 mm	8.87 mm principal	0.19	Debt	Long	USA
Columbus-Franklin County Finance Authority, Series 2024A	8.74 mm	8.94 mm principal	0.19	Debt	Long	USA
Black Desert Public Infrastructure District, Series 2024	8.73 mm	8.52 mm principal	0.19	Debt	Long	USA
Chicago Board of Education	8.57 mm	10.39 mm principal	0.19	Debt	Long	USA
Connecticut State Health & Educational Facilities Authority	8.56 mm	8.54 mm principal	0.19	Debt	Long	USA
Public Finance Authority	8.54 mm	8.36 mm principal	0.19	Debt	Long	USA
County of Jefferson	8.52 mm	7.99 mm principal	0.19	Debt	Long	USA
Upper Illinois River Valley Development Authority	8.51 mm	8.46 mm principal	0.19	Debt	Long	USA
Upper Illinois River Valley Development Authority	8.46 mm	8.46 mm principal	0.19	Debt	Long	USA
Louisiana Public Facilities Authority	8.43 mm	10.05 mm principal	0.19	Debt	Long	USA
Hastings Campus Housing Finance Authority	8.36 mm	8.81 mm principal	0.18	Debt	Long	USA
California Community Choice Financing Authority, Series 2023 F	8.29 mm	7.53 mm principal	0.18	Debt	Long	USA
Ohio Housing Finance Agency	8.27 mm	8.12 mm principal	0.18	Debt	Long	USA
Massachusetts Educational Financing Authority	8.27 mm	9.29 mm principal	0.18	Debt	Long	USA
Hastings Campus Housing Finance Authority	8.27 mm	9.13 mm principal	0.18	Debt	Long	USA
Illinois Housing Development Authority, Series 2019-A, Class 1	8.22 mm	9.00 mm principal	0.18	ABS-mortgage backed security	Long	USA
City of Chicago	8.20 mm	8.23 mm principal	0.18	Debt	Long	USA
Arlington Higher Education Finance Corp.	8.08 mm	8.45 mm principal	0.18	Debt	Long	USA
Northern Tobacco Securitization Corp.	7.99 mm	61.29 mm principal	0.18	Debt	Long	USA
Puerto Rico Sales Tax Financing Corp. Sales Tax	7.93 mm	8.00 mm principal	0.17	Debt	Long	Puerto Rico
New York Transportation Development Corp., Series 2023	7.91 mm	7.37 mm principal	0.17	Debt	Long	USA
San Francisco City & County Airport Comm-San Francisco International Airport, Series 2023 C	7.88 mm	7.12 mm principal	0.17	Debt	Long	USA
City of Chicago	7.87 mm	7.39 mm principal	0.17	Debt	Long	USA
Hospital Facilities Authority of Multnomah County Oregon	7.80 mm	10.44 mm principal	0.17	Debt	Long	USA
City of Houston TX Airport System Revenue	7.76 mm	7.68 mm principal	0.17	Debt	Long	USA
Toll Road Investors Partnership II LP	7.67 mm	8.34 mm principal	0.17	Debt	Long	USA
New Hampshire Business Finance Authority	7.66 mm	7.73 mm principal	0.17	Debt	Long	USA
Chicago Board of Education	7.58 mm	7.11 mm principal	0.17	Debt	Long	USA
Commonwealth of Puerto Rico	7.57 mm	11.76 mm principal	0.17	Debt	Long	Puerto Rico
Ohio Air Quality Development Authority, Series 2005D	7.42 mm	7.50 mm principal	0.16	Debt	Long	USA
New Hampshire Business Finance Authority	7.37 mm	7.62 mm principal	0.16	Debt	Long	USA
Public Finance Authority	7.37 mm	7.25 mm principal	0.16	Debt	Long	USA
North Carolina Turnpike Authority, Series A	7.36 mm	7.00 mm principal	0.16	Debt	Long	USA
California Statewide Communities Development Authority, Series 2020 R	7.34 mm	8.80 mm principal	0.16	Debt	Long	USA
Florida Development Finance Corp.	7.34 mm	7.50 mm principal	0.16	Debt	Long	USA
Louisiana Public Facilities Authority, Series 2024	7.21 mm	6.67 mm principal	0.16	Debt	Long	USA
Puerto Rico Sales Tax Financing Corp. Sales Tax	7.10 mm	7.18 mm principal	0.16	Debt	Long	Puerto Rico
Massachusetts Development Finance Agency	7.09 mm	7.07 mm principal	0.16	Debt	Long	USA
Ulster County Capital Resource Corp.	7.06 mm	7.78 mm principal	0.16	Debt	Long	USA
City of Tallahassee	7.01 mm	7.13 mm principal	0.15	Debt	Long	USA
Michigan State Housing Development Authority, Series 2024D	6.99 mm	6.32 mm principal	0.15	Debt	Long	USA
County of Jefferson	6.96 mm	6.43 mm principal	0.15	Debt	Long	USA
Public Finance Authority, Series 2024	6.93 mm	6.91 mm principal	0.15	Debt	Long	USA
New Jersey Economic Development Authority	6.88 mm	6.85 mm principal	0.15	Debt	Long	USA
New Jersey Economic Development Authority	6.79 mm	6.70 mm principal	0.15	Debt	Long	USA
New Hampshire Business Finance Authority	6.79 mm	124.25 mm principal	0.15	Debt	Long	USA
Lee County Industrial Development Authority, Series 2024C	6.72 mm	6.52 mm principal	0.15	Debt	Long	USA
Allentown Neighborhood Improvement Zone Development Authority	6.72 mm	6.70 mm principal	0.15	Debt	Long	USA
Chicago Board of Education Dedicated Capital Improvement Tax	6.69 mm	6.14 mm principal	0.15	Debt	Long	USA
Niagara Area Development Corp.	6.56 mm	6.87 mm principal	0.14	Debt	Long	USA
Affordable Housing Opportunities Trust, Series AH-01-1, Class A	6.56 mm	8.10 mm principal	0.14	Debt	Long	USA
Buckeye Tobacco Settlement Financing Authority	6.54 mm	7.30 mm principal	0.14	Debt	Long	USA
Fulton County Industrial Development Authority	6.53 mm	7.75 mm principal	0.14	Debt	Long	USA
Chicago O'Hare International Airport	6.52 mm	6.59 mm principal	0.14	Debt	Long	USA
Industrial Development Authority of the City of Phoenix Arizona (The)	6.42 mm	8.33 mm principal	0.14	Debt	Long	USA
Industrial Development Authority of the City of Phoenix Arizona (The)	6.37 mm	8.63 mm principal	0.14	Debt	Long	USA
Industrial Development Authority of the City of Phoenix Arizona (The)	6.36 mm	6.36 mm principal	0.14	Debt	Long	USA
Grays Harbor County Public Hospital District No. 2	6.35 mm	6.57 mm principal	0.14	Debt	Long	USA
West Virginia Hospital Finance Authority	6.31 mm	6.66 mm principal	0.14	Debt	Long	USA
Virginia Beach Development Authority, Series 2023A	6.27 mm	5.52 mm principal	0.14	Debt	Long	USA
Iowa Student Loan Liquidity Corp.	6.25 mm	7.71 mm principal	0.14	Debt	Long	USA
Alabama Special Care Facilities Financing Authority-Birmingham	6.19 mm	6.53 mm principal	0.14	Debt	Long	USA
Finance Authority of Maine	6.18 mm	6.17 mm principal	0.14	Debt	Long	USA
Allentown Neighborhood Improvement Zone Development Authority	6.16 mm	6.21 mm principal	0.14	Debt	Long	USA
Virginia Small Business Financing Authority	6.08 mm	6.09 mm principal	0.13	Debt	Long	USA
Syracuse Industrial Development Agency	6.05 mm	7.90 mm principal	0.13	Debt	Long	USA
Oklahoma Development Finance Authority	6.03 mm	6.25 mm principal	0.13	Debt	Long	USA
California Municipal Finance Authority	6.00 mm	6.55 mm principal	0.13	Debt	Long	USA
Public Finance Authority, Class B-1	6.00 mm	5.73 mm principal	0.13	Debt	Long	USA
Hastings Campus Housing Finance Authority	5.96 mm	12.97 mm principal	0.13	Debt	Long	USA
City of Tallahassee	5.94 mm	5.94 mm principal	0.13	Debt	Long	USA
Hospital Facilities Authority of Multnomah County Oregon	5.94 mm	7.73 mm principal	0.13	Debt	Long	USA
Metropolitan Pier & Exposition Authority	5.91 mm	15.00 mm principal	0.13	Debt	Long	USA
Great Pond Improvement District	5.90 mm	5.74 mm principal	0.13	Debt	Long	USA
New York Liberty Development Corp.	5.85 mm	5.85 mm principal	0.13	Debt	Long	USA
George L Smith II Congress Center Authority	5.84 mm	6.20 mm principal	0.13	Debt	Long	USA
San Francisco City & County Airport Comm-San Francisco International Airport, Series 2023 C	5.83 mm	5.29 mm principal	0.13	Debt	Long	USA
Florida Development Finance Corp., Series 2024A	5.83 mm	5.83 mm principal	0.13	Debt	Long	USA
Texas Transportation Commission State Highway 249 System	5.82 mm	5.73 mm principal	0.13	Debt	Long	USA
Kentucky Economic Development Finance Authority	5.77 mm	6.95 mm principal	0.13	Debt	Long	USA
Tender Option Bond Trust Receipts	5.76 mm	4.95 mm principal	0.13	Debt	Long	USA
California Community Housing Agency	5.71 mm	6.27 mm principal	0.13	Debt	Long	USA
San Francisco City & County Airport Comm-San Francisco International Airport, Series 2023 C	5.69 mm	5.14 mm principal	0.13	Debt	Long	USA
Virgin Islands Public Finance Authority, Series 2024 A	5.65 mm	5.36 mm principal	0.12	Debt	Long	Virgin Islands (U.S.)
South Carolina Jobs-Economic Development Authority	5.62 mm	5.74 mm principal	0.12	Debt	Long	USA
Glendale Industrial Development Authority	5.61 mm	5.96 mm principal	0.12	Debt	Long	USA
District of Columbia	5.61 mm	5.61 mm principal	0.12	Debt	Long	USA
Industrial Development Authority of the County of Pima (The)	5.60 mm	5.16 mm principal	0.12	Debt	Long	USA
Chicago Board of Education, Series 2023A	5.60 mm	5.20 mm principal	0.12	Debt	Long	USA
Virgin Islands Public Finance Authority, Series 2024B	5.60 mm	5.60 mm principal	0.12	Debt	Long	Virgin Islands (U.S.)
Tender Option Bond Trust Receipts	5.58 mm	4.51 mm principal	0.12	Debt	Long	USA
Yamhill County Hospital Authority	5.56 mm	6.52 mm principal	0.12	Debt	Long	USA
Montana Facility Finance Authority	5.55 mm	5.53 mm principal	0.12	Debt	Long	USA
County of Ward	5.54 mm	5.45 mm principal	0.12	Debt	Long	USA
Public Finance Authority	5.54 mm	5.73 mm principal	0.12	Debt	Long	USA
Oklahoma Housing Finance Agency, Series 2024C	5.50 mm	4.97 mm principal	0.12	Debt	Long	USA
Black Belt Energy Gas District	5.50 mm	5.18 mm principal	0.12	Debt	Long	USA
Public Finance Authority, Series 2023B	5.49 mm	5.08 mm principal	0.12	Debt	Long	USA
South Carolina Public Service Authority	5.49 mm	5.00 mm principal	0.12	Debt	Long	USA
California Municipal Finance Authority	5.48 mm	5.47 mm principal	0.12	Debt	Long	USA
Overland Park Development Corp.	5.48 mm	5.64 mm principal	0.12	Debt	Long	USA
Chicago O'Hare International Airport	5.46 mm	5.49 mm principal	0.12	Debt	Long	USA
Commonwealth of Puerto Rico	5.45 mm	5.78 mm principal	0.12	Debt	Long	Puerto Rico
Louisiana Local Government Environmental Facilities & Community Development Authority	5.41 mm	5.41 mm principal	0.12	Debt	Long	USA
New York State Dormitory Authority	5.40 mm	5.63 mm principal	0.12	Debt	Long	USA
Southeast Energy Authority A Cooperative District	5.37 mm	4.98 mm principal	0.12	Debt	Long	USA
Public Finance Authority	5.36 mm	5.13 mm principal	0.12	Debt	Long	USA
City of Chicago	5.30 mm	4.93 mm principal	0.12	Debt	Long	USA
Blythe Township Solid Waste Authority	5.29 mm	4.79 mm principal	0.12	Debt	Long	USA
Franklin County Industrial Development Authority	5.28 mm	5.73 mm principal	0.12	Debt	Long	USA
Colorado Health Facilities Authority	5.21 mm	4.87 mm principal	0.11	Debt	Long	USA