# Portfolio overlap — MBCAX vs MFSMX Comparing **MFS California Municipal Bond Fund** (2026-03-31) and **MFS Maryland Municipal Bond Fund** (2026-03-31). - Shared positions: 38 - MFS California Municipal Bond Fund covered by MFS Maryland Municipal Bond Fund: 0.08102764985310461439531760559 - MFS Maryland Municipal Bond Fund covered by MFS California Municipal Bond Fund: 0.08102764985310461439531760559 ## MFS California Municipal Bond Fund — top positions | Security | Weight | Shared | |----------|--------|--------| | MFS Institutional Money Market Portfolio, Class A | 0.041574 | ✓ | | California Community Choice Financing Authority, Series C | 0.011707 | | | CALIFORNIA COMMUNITY VAR | 0.010073 | | | LOS ANGELES HSG-A | 0.009927 | | | CALIFORNIA MUNICIPAL FINANCE AUTHORITY | 0.009900 | | | OAKLAND UNIF SCH D-A | 0.009228 | | | Inglewood Joint Powers Authority, Series 2025 | 0.007936 | | | California Housing Finance Agency, Series 2026 ISSUE A | 0.007385 | | | CALIFORNIA ST HLTH FACS FING AUTH REVENUE | 0.007239 | | | CALIFORNIA COMMUNITY VAR | 0.006782 | ✓ | | San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2023 C, Ref. RB | 0.006694 | | | San Francisco Community College District, Series B | 0.006656 | | | OAKLAND-D | 0.006640 | | | California (State of) Community Choice Financing Authority (Green Bonds), Series 2023 C, RB | 0.006630 | ✓ | | California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB | 0.006560 | | | IRVINE CMNTY FACS DT | 0.006551 | | | San Diego County Regional Airport Authority, Series 2025 B | 0.006524 | | | SAN LUIS OBISPO PUBLIC FINANCI SLOFIN 12/53 FIXED 5 | 0.006501 | | | CALIFORNIA ST HLTH FACS FING AUTH REVENUE | 0.006478 | | | PUERTO RICO SALES TAX FING COR REGD OID B/E 5.00000000 | 0.006371 | ✓ | | Mt. San Antonio Community College District, Series 2013A | 0.006363 | | | CA STWD(ENLOE HLTH SYST)/AGM 5.38% 8/15/57 | 0.006339 | | | CA MUNI FIN AUTH-A | 0.006274 | | | California Housing Finance Agency, Series 2024 ISSUE DD | 0.006218 | | | CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE | 0.006159 | | | CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE | 0.006159 | | | CALIFORNIA HSG FIN AGY LTD OBLIG MF HSG REVENUE | 0.006157 | | | North Lake Tahoe Public Financing Authority 5.50% 12/01/2047 | 0.005992 | | | SANTA CLARA CY 3% 5/1/2039 | 0.005954 | | | New Hampshire Business Finance Authority, Series 4, Class A | 0.005949 | | | Clovis Unified School District, Series C | 0.005904 | | | Alameda Corridor Transportation Authority, Series C | 0.005838 | | | UNIV OF CA REGENTS -P | 0.005667 | | | LOS ANGELES DEPT ARPT | 0.005592 | | | CALIFORNIA ST MUNI FIN AUTH RE CASFIN 01/42 FIXED 5 | 0.005414 | | | CALIFORNIA CMNTY CHOICE FING A REGD B/E 5.25000000 | 0.005378 | | | CALIFORNIA COMMUNITY VAR | 0.005370 | | | CA ST UNIV-A-REF | 0.005361 | | | LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE | 0.005346 | | | San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Second Series 2024, Ref. RB | 0.005336 | | | Ceres Unified School District, Series 2025A | 0.005227 | | | Los Angeles Department of Airports, California, Revenue Bonds, Los Angeles International Airport, Refunding Subordinate Green Series 2025A | 0.005224 | | | Kerman Public Financing Authority, Series 2025 | 0.005204 | | | San Francisco (City & County of), CA Airport Commission (San Francisco International Airport), Series 2016, RB | 0.005014 | | | CA ST MFA COP 5.25% 11/1/2052 | 0.005008 | | | CA MUNI FIN AUTH-A | 0.005004 | | | BEVERLY HILLS USD CAB | 0.004996 | | | REPUBLIC SERVICES INC (MPT) 3.875% 03-01-54 | 0.004980 | | | INDIO PUB FING AUTH-A | 0.004931 | | | GOLDEN ST TOBACCO SECURITIZATI REGD B/E 5.00000000 | 0.004907 | | ## 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 `0002071691-26-011424` (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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