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MFSMX vs NMDAX

Shared holdings
44
MFSMX covered by NMDAX
14.58%
NMDAX covered by MFSMX
14.58%

Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; = held by both — hover a shared position to highlight it in both columns.

MFSMX (March 31, 2026)

SecurityWeight
MFS Institutional Money Market Portfolio, Class A3.29%
MARYLAND ST ECON DEV CORP LEASE REVENUE1.33%
Maryland Economic Development Corp., Series 20241.26%
Montgomery (County of), MD, Series 2017, GO Bonds1.22%
MARYLAND ST STD 5% 5/1/20351.15%
PUERTO RICO SALES TAX FING COR REGD OID B/E 5.000000001.11%
County of Prince George's, Series 2025 A1.03%
Washington Metropolitan Area Transit Authority Dedicated1.03%
Maryland Stadium Authority, Series 20241.01%
County of Anne Arundel, Series 20251.00%
MD HLTH & HGR EDL-A1.00%
Maryland Health & Higher Educational Facilities Authority1.00%
PRINCE GEO COP 5% 10/1/480.98%
Maryland Community Development Administration, Series 2025 F-10.97%
MARYLAND STADIUM AUTHORITY0.96%
WASHINGTON SUBURBAN SANITARY COMMISSION0.94%
COUNTY OF BALTIMORE MD0.94%
County of Howard0.92%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE0.90%
Maryland Health & Higher Educational Facilities Authority, Series 20040.90%
County of Anne Arundel, Series 20230.90%
City of Baltimore, Series 2019 A0.89%
Maryland Community Development Administration Department of Housing and Community Development, Residential Revenue Bonds, Taxable Series 2019D0.89%
MARYLAND ST STA 4% 6/1/20460.84%
MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY0.83%
Maryland Health & Higher Educational Facilities Authority0.81%
MONTGOMERY CNTY MD REVENUE REGD B/E 5.000000000.80%
Maryland Community Development Administration Local Government Infrastructure0.79%
MD CMNTY DEV-D-10.77%
Washington Metropolitan Area Transit Authority, Series 2018, RB0.74%
MD HEFA 4% 7/1/20480.71%
County of Montgomery0.71%
MD CMNTY DEPT ADMIN-B0.71%
Maryland Health & Higher Educational Facilities Authority0.70%
CALIFORNIA COMMUNITY VAR0.70%
MD TRANSPRTN-A-REF0.69%
Montgomery County Housing Opportunities Commission, Series 2023 C0.69%
Maryland Department of Housing & Community Development, Series 2024 E0.69%
MD ECON DEV CORP-A0.69%
County of Prince George's0.67%
MARYLAND ST ECON DEV CORP AIR CARGO REVENUE0.67%
Washington Metropolitan Area Transit Authority, Series 2025, RB0.67%
Maryland Stadium Authority Sports Entertainment Facilities Revenue, Series 2023 A0.66%
State of Maryland Department of Transportation, Series 2024 A0.66%
MARYLAND ST HLTH & HGR EDUCTNL MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AU0.66%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE0.66%
Maryland Department of Housing & Community Development, Series 2025 D0.66%
State of Maryland Department of Transportation, Series 2024 A0.66%
MARYLAND ST STA 4% 6/1/20360.66%
Montgomery County Housing Opportunities Commission, Series 2025A0.66%

NMDAX (Feb. 28, 2026)

SecurityWeight
State of Maryland Department of Transportation, Series 2024 A2.77%
Montgomery (County of), MD, Series 2015, RB2.57%
Washington Suburban Sanitary District, Montgomery and Prince George's Counties, Maryland, General Obligation Bonds, Consolidated Public Improvement, S2.27%
MD HEFA 5% 5/15/20452.14%
State of Maryland2.06%
MURRIETA VY CALIF UNI SCH DISTCAP APPREC BDS1.80%
PUERTO RICO SALES TAX FING COR REGD OID B/E 5.000000001.71%
MD BALFAC 5 09/01/20391.52%
Washington Suburban Sanitary District, Montgomery and Prince George's Counties, Maryland, General Obligation Bonds, Multi-Modal Bond Anticipation Note1.32%
MARYLAND ST REGD B/E 5.000000001.31%
MD HLTH & HGR EDL-A1.24%
University of Maryland, Auxiliary Facility and Tuition Revenue Bonds, Series 2026A1.22%
Maryland (State of) Stadium Authority, Series 2024, RB1.21%
Howard County Housing Commission, Series 20241.20%
CITY OF BALTIMORE MD HARBOR POINT SPECIAL TAXING DISTRICT 5.0% 06-01-511.19%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE1.19%
Maryland Transportation Authority, Revenue Bonds, Transportation Facilities Projects, Series 2021A1.18%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE1.13%
MARYLAND ST ECON DEV CORP PRIV REGD B/E AMT 5.250000001.10%
MARYLAND ST ECON DEV CORP PKG REGD B/E 5.000000001.05%
MARYLAND HEALTH & HIGHER EDUCATIONAL FACILITIES AUTHORITY0.99%
Maryland Health & Higher Educational Facilities Authority, Series 2017 B0.96%
MARYLAND ST CMNTY DEV ADMIN0.89%
State of Maryland0.88%
Beaver County Industrial Development Authority, Pennsylvania, Pollution Control Revenue Bonds, FirstEnergy Generation Project, Refunding Series 2006A0.87%
Prince George's County, Maryland, General Obligation Bonds, Consolidated Public Improvement Series 2024A0.87%
MARYLAND ST HLTH HGR EDUCTNL MDSMED 07/43 FIXED 50.83%
MARYLAND ST HLTH & HGR EDUCTNL REGD B/E 5.250000000.83%
MARYLAND ST HLTH & HGR EDUCTNL REGD B/E AG 5.000000000.82%
Baltimore, Maryland, Revenue Bonds, Wastewater Projects, Refunding Series 2022A0.81%
MD HLTH HGR AUTH-A0.79%
MARYLAND ST CMNTY DEV ADMIN DE REGD B/E 3.200000000.79%
MD EDC 0% 10/1/2036 MT0.78%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE0.77%
MD ECON DEV CORP0.77%
MD HEFA 5.50% 1/1/20460.77%
MD HLTH HGR-REF0.76%
PORTS AMERICA CHESAPEAKE LLC 5.0% 06-01-350.76%
MD CMNTY DEV-D-10.76%
Maryland Transportation Authority, Passenger Facility Charge Revenue Bonds, Baltimore/Washington International Thurgood Marshall Airport Project, Seri0.76%
Maryland Economic Development Corp., Series 20240.76%
Howard County Housing Commission, Maryland, Revenue Bonds, Columbia Commons Apartments, Series 2014A0.76%
Howard (County of), MD Housing Commission (Social Bonds), Series 2021 A, Ref. RB0.72%
EAST BALTIMORE RESEARCH PARK DEVELOPMENT DISTRICT 4.5% 09-01-330.70%
MARYLAND ST HLTH & HGR EDUCTNL REGD B/E 4.000000000.69%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE0.68%
RIDERWOOD VILLAGE OBLIGATED GROUP 4.0% 01-01-500.67%
TSASC, Inc., Series B0.66%
Maryland Community Development Administration, Department of Housing and Community Development, Multifamily Development Revenue Bonds, Marlborough Apa0.66%
Howard County Housing Commission, Series 20130.63%

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