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MPOCX vs MFSMX

Shared holdings
63
MPOCX covered by MFSMX
13.44%
MFSMX covered by MPOCX
13.44%

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.

MPOCX (March 31, 2026)

SecurityWeight
MFS Institutional Money Market Portfolio, Class A3.93%
Beaufort-Jasper Water & Sewer Authority, Series 2025A1.55%
PUERTO RICO SALES TAX FING COR REGD OID B/E 5.000000001.43%
City of Charleston, Series 20221.30%
Spartanburg County School District No. 4, Series 2022 A, GO Bonds1.30%
SOUTH CAROLINA ST PORTS AUTH PORTS REVENUE1.26%
SOUTH CAROLINA ST JOBS-ECON DE REGD B/E 5.250000001.21%
Grand Strand Water & Sewer Authority, Series 20261.18%
SPARTANBURG SC REGL HLTH SVCS DIST INC HOSP REVENUE1.16%
SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE1.14%
CHARLESTON SC HSG AUTH REVENUE REGD B/E HUD SEC 5.000000001.07%
City of Columbia, Series 2023A1.01%
Woodruff Facilities Corp., Series 20250.99%
Medical University Hospital Authority, An Agency of The State of south Carolina FHA Insured Hospital Mortgage, Indian Land Project0.94%
South Carolina State Housing Finance and Development Authority, Series 2026A0.93%
Clemson University0.93%
SOUTH CAROLINA ST PUBLIC SVC A SOUTH CAROLINA PUBLIC SERVICE AUTHORITY0.91%
PATRIOTS EN GRP 5.25% MT0.89%
SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE0.87%
Clemson University, Series 2025A0.87%
SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE0.87%
City of Charleston Waterworks & Sewer System Revenue0.87%
City of Columbia, Series 20250.86%
GREENVILLE-SPARTANBURG SC ARPT DIST ARPT SYS REVENUE0.86%
Spartanburg County School District No. 40.86%
South Carolina (State of) Jobs-Economic Development Authority (Prisma Health Obligated Group), Series 2018, RB0.86%
SOUTH CAROLINA ST PUBLIC SVC AUTH REVENUE0.86%
Columbia Facilities Corp., Series 2025 A0.85%
SC MDUMED 5.25 11/15/20500.85%
Corp. ForGreer, Series 20250.85%
CHARLSTN SC ARP 5.25% 7/1/20540.85%
Spartanburg County School District No. 70.85%
County of Horry0.85%
SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE0.84%
South Carolina Jobs-Economic Development Authority, Series 20250.84%
NORTH CHRLTN SC 5% 10/1/20400.84%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH ECON DEV REVENUE0.84%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTHCARE REVENUE0.84%
South Carolina State Housing Finance & Development Authority, Series M TEMS BDS 2023 A FN0.83%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH ECON DEV REVENUE0.83%
South Carolina Jobs-Economic Development Authority, Series 2023A0.83%
UNIV SC HGH ED 5% 5/1/20460.82%
GREENWOOD HOSP-REF0.82%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH RSDL DEV REVENUE0.82%
SOUTH CAROLINA ST HSG FIN & DEV AUTH MTGE REVENUE0.81%
HORRY CNTY S C 4.50% 9/1/20520.79%
College of Charleston, Series 2025A0.79%
BEAUFORT CNTY 4% 3/1/20480.79%
South Island Public Service District0.79%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH HOSP REVENUE0.79%

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%

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