# Portfolio overlap — MPMSX vs MFSSX Comparing **MFS Mississippi Municipal Bond Fund** (2026-03-31) and **MFS Massachusetts Municipal Bond Fund** (2026-03-31). - Shared positions: 45 - MFS Mississippi Municipal Bond Fund covered by MFS Massachusetts Municipal Bond Fund: 0.08755661579134256517196603998 - MFS Massachusetts Municipal Bond Fund covered by MFS Mississippi Municipal Bond Fund: 0.08755661579134256517196603998 ## MFS Mississippi Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | Jackson County Utility Authority | 0.032774 | | | Mississippi Home Corp., Series 2024A | 0.027663 | | | Mississippi Development Bank | 0.021710 | | | MS MDCEDU 5 06/01/2042 | 0.020664 | | | Medical Center Educational Building Corp. | 0.020544 | | | MS DEV BK 5.25% 1/1/2034 | 0.018188 | | | W RANKIN UTIL AUTH | 0.017080 | | | Mississippi Development Bank, Series 2025 | 0.017003 | | | Mississippi Development Bank | 0.016953 | | | Mississippi Development Bank | 0.016948 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.016912 | ✓ | | Mississippi Development Bank, Series 2024 | 0.016737 | | | State of Mississippi, Series 2024 | 0.016718 | | | State of Mississippi, Series 2018A | 0.016622 | | | Mississippi Development Bank | 0.016496 | | | MS MSSDEV 5 07/01/2048 | 0.016446 | | | MISSISSIPPI ST HOME CORP SF MTGE REVENUE | 0.016204 | | | Mississippi Development Bank | 0.015935 | | | Mississippi Home Corp. | 0.015648 | | | MS HOSP 4% 1/1/2040 | 0.015638 | | | Medical Center Educational Building Corp., Series 2017, Ref. RB | 0.014958 | | | MS MSSSFH 4.05 12/01/2047 | 0.014894 | | | Medical Center Educational Building Corp., Series 2023, RB | 0.014573 | | | Mississippi Home Corp. | 0.013467 | | | MASSACHUSETTS ST BAY TRANSPRTN AUTH SALES TAX REVENUE | 0.013352 | ✓ | | Warren County, Mississippi, Certificates of Participation, Lease Purchase Jail Project Series 2023 | 0.013219 | | | Warren County, Mississippi, Certificates of Participation, Lease Purchase Jail Project Series 2023 | 0.013068 | | | Mississippi Development Bank, Series 2024 | 0.012538 | | | MS DEV BK SPL/AGM 6.88% 12/1/40 | 0.012500 | | | MS UNIV EDU CORP-A | 0.012480 | | | MS ST HOME SF 4.8% 12/1/45 | 0.012362 | | | MISSISSIPPI ST HOME CORP SF MT REGD B/E GNMA/FN 4.80000000 | 0.012281 | | | San Diego Unified School District, Series 2010C | 0.012244 | | | Mississippi Home Corp., Series 2024 C | 0.012239 | | | Mississippi Home Corp., Series 2024 E | 0.012163 | | | MS MHSG 4.55% 4/1/2042 | 0.012060 | | | MS MSSDEV 4 06/01/2044 | 0.011792 | | | State of Mississippi | 0.011701 | | | Mississippi Development Bank | 0.011482 | | | State of Mississippi, Series 2024 | 0.011437 | | | Mississippi State University Educational Building Corp., Series 2024A | 0.010859 | | | S E ENERGY COOP DT | 0.009865 | ✓ | | University of Mississippi Educational Building Corp., Series 2017 , Ref. RB | 0.009559 | | | Mississippi Home Corp., Series 2026A | 0.008643 | | | MFS Institutional Money Market Portfolio, Class A | 0.008618 | ✓ | | Little Rock School District | 0.008596 | | | Mississippi Development Bank, Series 2025 | 0.008570 | | | WARREN CO-A-REF-REMK | 0.008443 | | | Mississippi Development Bank, Special Obligation Bonds, Lamar County School District Series 2025 | 0.008372 | | | Mississippi Development Bank, Series 2025 | 0.008372 | | ## MFS Massachusetts Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | MFS Institutional Money Market Portfolio, Class A | 0.016774 | ✓ | | MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000 | 0.013654 | | | Commonwealth of Massachusetts Transportation Fund, Series 2025A | 0.012980 | | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.012407 | | | MA CLEAN WTR TRUST-27 | 0.010486 | | | MBTA SLS TAX 5.25% 7/1/55 | 0.010384 | | | MASSACHUSETTS ST | 0.010329 | | | MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE | 0.010284 | | | MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE | 0.010241 | | | MA ST TRANS REV 5% 6/1/2053 | 0.010215 | | | Tri-County Regional Vocational Technical School District, Series CHAPTER 70B | 0.009643 | | | MASS DEVEL FIN 4% 10/1/2045 | 0.009112 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.008951 | ✓ | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.008940 | | | MASSACHUSETTS ST PORT AUTH | 0.008907 | | | Massachusetts Development Finance Agency, Series 2025W | 0.008858 | | | Town of Tisbury | 0.008847 | | | Massachusetts Housing Finance Agency | 0.008698 | | | Massachusetts Bay Transportation Authority, Series 2025 B | 0.007968 | | | Massachusetts Educational Financing Authority | 0.007892 | | | WAKEFIELD MA REGD B/E 5.00000000 | 0.007816 | | | Massachusetts Development Finance Agency | 0.007760 | | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.007740 | | | MA ST TRANS REV 5% 6/1/2049 | 0.007700 | | | MASS DEVEL FIN 5% 7/1/2048 | 0.007685 | | | MASSACHUSETTS ST PORT AUTH REGD B/E AMT 5.00000000 | 0.007585 | | | MASSACHUSETTS ST | 0.007574 | | | MASSACHUSETTS ST PORT AUTH | 0.007555 | | | MASSACHUSETTS ST TRANSPRTN FUND REVENUE | 0.007549 | | | MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.50000000 | 0.007542 | | | MASSACHUSETTS ST DEV FIN AGY R REGD B/E 5.00000000 | 0.007516 | | | Massachusetts Housing Finance Agency | 0.007501 | | | Massachusetts Port Authority, Revenue Bonds, Refunding Series 2017A | 0.007470 | | | Massachusetts (Commonwealth of), Series 2024 E, GO Bonds | 0.007456 | | | Massachusetts Housing Finance Agency, Series 2013B | 0.007423 | | | Massachusetts Housing Finance Agency, Series 249 | 0.007379 | | | S E ENERGY COOP DT | 0.007237 | ✓ | | MA ST DEV FIN -J2 | 0.007146 | | | Nashoba Regional School District | 0.007130 | | | Commonwealth of Massachusetts Transportation Fund Revenue | 0.007074 | | | Massachusetts Development Finance Agency 4.00% 07/01/2039 | 0.007048 | | | MASSACHUSETTS ST PORT AUTH | 0.007009 | | | Town of Hingham, Series 2025 | 0.006960 | | | NEW BEDFORD MA | 0.006858 | | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.006853 | | | MASSACHUSETTS ST DEV FIN AGY REVENUE | 0.006732 | | | MA ST DEV FIN AGY-N | 0.006704 | | | Massachusetts Housing Finance Agency, Single Family Housing Revenue Bonds, Social Series 2024-234 | 0.006693 | | | Massachusetts Development Finance Agency | 0.006494 | | | CALIFORNIA ST HLTH FACS FING AUTH REVENUE | 0.006149 | | ## Sources - N-PORT (fund A) — accession `0002071691-26-011431` (as of 2026-03-31) - N-PORT (fund B) — accession `0002071691-26-011422` (as of 2026-03-31) --- _Informational only — not investment advice. 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