# Portfolio overlap — MPPAX vs MFSMX Comparing **MFS Pennsylvania Municipal Bond Fund** (2026-03-31) and **MFS Maryland Municipal Bond Fund** (2026-03-31). - Shared positions: 49 - MFS Pennsylvania Municipal Bond Fund covered by MFS Maryland Municipal Bond Fund: 0.07993320663990150700508286031 - MFS Maryland Municipal Bond Fund covered by MFS Pennsylvania Municipal Bond Fund: 0.07993320663990150700508286034 ## MFS Pennsylvania Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Indiana County Industrial Development Authority, Pennsylvania, Revenue Bonds, Foundation for Indiana University of Pennsylvania Project, Refunding Ser | 0.012883 | | | Southeastern Pennsylvania Transportation Authority, Revenue Bonds, Asset Improvement Series 2022 | 0.011118 | | | Pennsylvania State University (The), Series 2022A | 0.011094 | | | Philadelphia (City of), PA, Series 2025, RB | 0.010624 | | | Bucks County Water and Sewer Authority, Pennsylvania, Sewer System Revenue Bonds, Series 2022A | 0.010398 | | | MONTGOMERY HGR EDU-B | 0.010006 | | | PENNSYLVANIA ST HGR EDUCTNL FACS AUTH REVENUE | 0.009487 | | | Chester County Health and Education Facilities Authority | 0.009354 | | | Pennsylvania Housing Finance Agency, Single Family Mortgage, Series 2026-152A | 0.008964 | | | MFS Institutional Money Market Portfolio, Class A | 0.008698 | ✓ | | INTER PA 458436 5.50% 8/15/2063 | 0.008455 | | | Pennsylvania Housing Finance Agency | 0.008340 | | | PHIL PA GAS/AGM 5.25% 8/1/54 | 0.008323 | | | ALLEG PA SWR 5% 12/1/2050 | 0.008244 | | | BRISTOL TWP PA SCH DIST | 0.008243 | | | School District of Philadelphia (The), Series 2019A | 0.008202 | | | PENNSYLVANIA ST HSG FIN AGY SF MTGE REVENUE | 0.008164 | | | SCHOOL DISTRICT OF PHILADELPHIA THE | 0.008028 | | | WILKES-BARRE PA AREA SCH DIST | 0.008019 | | | PENNSYLVANIA ST HSG FIN AGY MF HSG REVENUE | 0.008000 | | | Pennsylvania Housing Finance Agency, Series 2026, RB | 0.007821 | | | Chester County School Authority, Series 2024 | 0.007717 | | | PENNSYLVANIA ST HSG FIN AGY SF REGD B/E 6.00000000 | 0.007661 | | | Cheltenham Township School District, Series 2026 | 0.007620 | | | Pittsburgh, Pennsylvania, General Obligation Bonds, Capital Improvement Series 2025 | 0.007389 | | | TOWER HEALTH OBLIGATED GROUP 5.0% 06-30-39 | 0.007382 | | | TEMPLE UNIV-REF-FIRST | 0.007257 | | | Pennsylvania Turnpike Commission, Series 2019A | 0.007245 | | | Moon Area School District, Series 2024 B | 0.007227 | | | Chester (County of), PA Industrial Development Authority (University Student Housing, LLC at West Chester University of Pennsylvania) | 0.007074 | | | WESTMORELAND PA 4% 7/1/2037 | 0.007057 | | | Philadelphia (City of), PA Authority for Industrial Development (University Square Apartments), Series 2017, RB | 0.006764 | | | ST PUB SCH BLDG AUTH | 0.006756 | | | PENNSYLVANIA ST ECON DEV FINGA REGD OID B/E AG 4.00000000 | 0.006746 | | | NYC TRANSITIONAL FIN | 0.006682 | ✓ | | PENNSYLVANIA ST HSG FIN AGY SF REGD B/E 5.50000000 | 0.006579 | | | William Penn School District Authority, Series 2025A | 0.006307 | | | Pennsylvania Higher Education Assistance Agency, Education Loan Revenue Bonds, Senior Series 2022A | 0.006151 | | | PENNSYLVANIA ST HSG FIN AGY SF REGD B/E 5.75000000 | 0.006066 | | | Clemson University | 0.005931 | | | PENNSYLVANIA ST ECON DEV FING AUTH SOLID WASTE DISPOSAL REV | 0.005896 | | | BETHEL PK SD | 0.005728 | | | PENNSYLVANIA ST HGR EDUCTNL FA REGD B/E 5.50000000 | 0.005666 | | | PHIL PA WTR/AGM 5.5% 9/1/53 | 0.005650 | | | Pennsylvania Turnpike Commission, Series 2025B | 0.005640 | | | BETHLEHEM ASD | 0.005628 | | | Pennsylvania Turnpike Commission, Series 2025 A | 0.005600 | | | ALLEG PA ARPT 5.50% 1/1/2050 @ | 0.005598 | | | PENNSBURY SD | 0.005581 | | | PENNSYLVANIA ST HGR EDUCTNL FA REGD B/E AG 5.25000000 | 0.005575 | | ## MFS Maryland Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | MFS Institutional Money Market Portfolio, Class A | 0.032878 | ✓ | | MARYLAND ST ECON DEV CORP LEASE REVENUE | 0.013277 | | | Maryland Economic Development Corp., Series 2024 | 0.012570 | | | Montgomery (County of), MD, Series 2017, GO Bonds | 0.012208 | | | MARYLAND ST STD 5% 5/1/2035 | 0.011470 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.011098 | ✓ | | County of Prince George's, Series 2025 A | 0.010330 | | | Washington Metropolitan Area Transit Authority Dedicated | 0.010326 | | | Maryland Stadium Authority, Series 2024 | 0.010099 | | | County of Anne Arundel, Series 2025 | 0.010040 | | | MD HLTH & HGR EDL-A | 0.010035 | | | Maryland Health & Higher Educational Facilities Authority | 0.009986 | | | PRINCE GEO COP 5% 10/1/48 | 0.009796 | | | Maryland Community Development Administration, Series 2025 F-1 | 0.009679 | | | MARYLAND STADIUM AUTHORITY | 0.009589 | | | WASHINGTON SUBURBAN SANITARY COMMISSION | 0.009393 | | | COUNTY OF BALTIMORE MD | 0.009367 | | | County of Howard | 0.009150 | | | MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE | 0.009039 | | | Maryland Health & Higher Educational Facilities Authority, Series 2004 | 0.008971 | | | County of Anne Arundel, Series 2023 | 0.008952 | | | City of Baltimore, Series 2019 A | 0.008944 | | | Maryland Community Development Administration Department of Housing and Community Development, Residential Revenue Bonds, Taxable Series 2019D | 0.008944 | | | MARYLAND ST STA 4% 6/1/2046 | 0.008446 | | | MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY | 0.008276 | | | Maryland Health & Higher Educational Facilities Authority | 0.008100 | | | MONTGOMERY CNTY MD REVENUE REGD B/E 5.00000000 | 0.007969 | | | Maryland Community Development Administration Local Government Infrastructure | 0.007904 | | | MD CMNTY DEV-D-1 | 0.007651 | | | Washington Metropolitan Area Transit Authority, Series 2018, RB | 0.007425 | | | MD HEFA 4% 7/1/2048 | 0.007121 | | | County of Montgomery | 0.007114 | | | MD CMNTY DEPT ADMIN-B | 0.007054 | | | Maryland Health & Higher Educational Facilities Authority | 0.007032 | | | CALIFORNIA COMMUNITY VAR | 0.006952 | | | MD TRANSPRTN-A-REF | 0.006941 | | | Montgomery County Housing Opportunities Commission, Series 2023 C | 0.006918 | | | Maryland Department of Housing & Community Development, Series 2024 E | 0.006917 | | | MD ECON DEV CORP-A | 0.006890 | | | County of Prince George's | 0.006685 | | | MARYLAND ST ECON DEV CORP AIR CARGO REVENUE | 0.006683 | | | Washington Metropolitan Area Transit Authority, Series 2025, RB | 0.006673 | | | Maryland Stadium Authority Sports Entertainment Facilities Revenue, Series 2023 A | 0.006646 | | | State of Maryland Department of Transportation, Series 2024 A | 0.006637 | | | MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU | 0.006626 | ✓ | | MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE | 0.006592 | | | Maryland Department of Housing & Community Development, Series 2025 D | 0.006580 | | | State of Maryland Department of Transportation, Series 2024 A | 0.006577 | | | MARYLAND ST STA 4% 6/1/2036 | 0.006569 | | | Montgomery County Housing Opportunities Commission, Series 2025A | 0.006561 | | ## Sources - N-PORT (fund A) — accession `0002071691-26-011421` (as of 2026-03-31) - N-PORT (fund B) — accession `0002071691-26-011429` (as of 2026-03-31) --- _Informational only — not investment advice. 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