Showing top 50 of 2,089 holdings · as of Mar 31, 2026
MPMNX holdings, by weight
#
Ticker
Name
Weight
Cumulative
Shares
Mkt value
Sector
Industry
1
—
Mfs Institutional Money Market Portfolio
2.42%
2.4%
168,421,496
$168.42M
-
-
2
—
Black Belt Energy Gas Dist Ala Gas Proj Rev Bds 12/01/2034
0.53%
3.0%
-
$36.52M
-
-
3
—
Texas St Muni Gas Acquisition & Sply Corp Iv Variable Rate, Due 01/01/2054Utilities · Gas Utilities
0.47%
3.4%
-
$32.48M
Utilities
Gas Utilities
4
Debt
Princeton Independent School DistrictFinancials · Thrifts
0.43%
3.9%
-
$29.64M
Financials
Thrifts
5
—
New York Transportation Development Corporation, New York, Special Facility Revenue Bonds, John F Kennedy International Airport New Terminal 1 ProjectReal Estate · Real Estate Management
0.42%
4.3%
-
$29.15M
Real Estate
Real Estate Management
6
Debt
New York Transportation Development CorpReal Estate · Real Estate Management
0.42%
4.7%
-
$29.04M
Real Estate
Real Estate Management
7
Debt
National Finau
0.41%
5.1%
-
$28.62M
-
-
8
Debt
California Cmnty Choice Fing AFinancials · Diversified Financial Services
0.40%
5.5%
-
$27.76M
Financials
Diversified Financial Services
9
Debt
Black Belt Energy Gas Dist AlaUtilities · Gas Utilities
0.36%
5.9%
-
$25.08M
Utilities
Gas Utilities
10
—
National Fin 5.5% 06/50Financials · Diversified Financial Services
Connecticut State Health & Educational Facilities Authority
0.31%
7.5%
-
$21.38M
-
-
15
—
Queen Creek Ariz Ctfs Partn 5.5% Oct 01, 2065 5.5
0.31%
7.8%
-
$21.66M
-
-
16
—
Virginia Housing Development Authority, Series 2023 D
0.31%
8.1%
-
$21.83M
-
-
17
—
New York St Transprtn Dev Corp Nyttrn 06/54 Fixed 6Financials · Diversified Financial Services
0.30%
8.4%
-
$20.73M
Financials
Diversified Financial Services
18
—
Md Hlth Hgr Auth-A 5.25 2054-08-15
0.30%
8.7%
-
$20.55M
-
-
19
—
Tennergy Corp Tenn Gas Rev 5.5% Oct 01, 2053Utilities · Power & Renewables
0.29%
9.0%
-
$20.44M
Utilities
Power & Renewables
20
—
Jea Water & Sewer System RevenueUtilities · Multi-Utilities
0.29%
9.3%
-
$20.43M
Utilities
Multi-Utilities
21
—
Black Belt Energy Gas Dist Ala 5.25% May 01, 2032Utilities · Gas Utilities
0.29%
9.6%
-
$20.11M
Utilities
Gas Utilities
22
Debt
Delaware State Housing Authority
0.29%
9.8%
-
$19.93M
-
-
23
Debt
West Virginia St Hosp Fin Auth Ref Impt Bds 2023b
0.29%
10.1%
-
$20.47M
-
-
24
Debt
Texas St Priv Activity Bond Su 12/31/2058 5.5Financials · Diversified Financial Services
0.28%
10.4%
-
$19.28M
Financials
Diversified Financial Services
25
—
Alachua County Health Facilities Authority, Series 2025 A 5.75 2060-10-01
0.28%
10.7%
-
$19.13M
-
-
26
—
Energy S Eal A Cooperative Di
0.28%
11.0%
-
$19.24M
-
-
27
Debt
Southeast Energy Authority A Cooperative District (Tender Option Bond Trust Receipts/Certificates) Series 2023-2 5.25%, 01/01/54
0.27%
11.2%
-
$19.05M
-
-
28
Debt
California Housing Finance Agency, Municipal Certificate Revenue Bonds, Class A Social Certificates Series 2023-1Financials · Diversified Financial Services
0.26%
11.5%
-
$17.90M
Financials
Diversified Financial Services
29
Debt
Black Belt Energy Gas DistrictUtilities · Gas Utilities
0.26%
11.8%
-
$18.13M
Utilities
Gas Utilities
30
—
Berks County Municipal Authority/The 5% 06-30-2039Utilities · Water Utilities
0.26%
12.0%
-
$18.32M
Utilities
Water Utilities
31
—
Main Street Natural Gas Inc Ga Variable Rate, Due 06/01/2053Utilities · Gas Utilities
Fishers Town Hall Bldg Corp Ind Lease Rent RevReal Estate · Real Estate Management
0.25%
13.1%
-
$17.35M
Real Estate
Real Estate Management
35
—
Maryland Department Of Housing & Community Development, Series 2024 E 6.25 2055-09-01
0.25%
13.3%
-
$17.18M
-
-
36
—
Pennsylvania St Econ Dev Fingauth Revenue
0.24%
13.5%
-
$16.68M
-
-
37
Debt
Kentucky Public Energy Authority
0.24%
13.8%
-
$16.51M
-
-
38
Debt
New Hampshire Business Finance Authority, Series 2024A
0.24%
14.0%
-
$16.75M
-
-
39
—
Wisconsin Health & Educational Facilities Authority 4 2040-04-01
0.24%
14.3%
-
$16.83M
-
-
40
—
Orange County, Fl Health Fac. Auth. Hospital Rev. (Orlando Health Obligated Group)Health Care · Healthcare Services
0.23%
14.5%
-
$15.91M
Health Care
Healthcare Services
41
—
Jefferson Cnty Al Swr Revenue 5.5 10-01-2053Utilities · Water Utilities
0.23%
14.7%
-
$15.78M
Utilities
Water Utilities
42
—
Washington St Hsg Fin Commission N/C, 3.50%, Due 12/20/2035Financials · Diversified Financial Services
0.22%
14.9%
-
$14.95M
Financials
Diversified Financial Services
43
Debt
New York St Liberty Dev Corp Liberty RevenueReal Estate · Real Estate Management
0.22%
15.2%
-
$15.30M
Real Estate
Real Estate Management
44
—
Federal Home Loan Mortgage Corporation, Notes 1 01-25-2040Financials · Thrifts
0.22%
15.4%
-
$15.40M
Financials
Thrifts
45
—
San Antonio, Texas, Water System Revenue Bonds, Junior Lien Series 2022B 05/15/2052Utilities · Water Utilities
0.22%
15.6%
-
$15.58M
Utilities
Water Utilities
46
—
California Community Choice Financ 5% Oct 01, 2032Financials · Diversified Financial Services
0.22%
15.8%
-
$15.40M
Financials
Diversified Financial Services
47
Debt
Energy Southeast A Cooperative District Muni Put Bond ActUtilities · Electric Utilities
0.22%
16.0%
-
$15.44M
Utilities
Electric Utilities
48
Debt
Michigan St Hsg Dev Auth Rental Hsg Revenue
0.22%
16.3%
-
$15.43M
-
-
49
Debt
South Carolina State Housing Finance & Development Authority, Series 2024B
0.22%
16.5%
-
$14.96M
-
-
50
Debt
Tender Option Bond Trust Receipts
0.22%
16.7%
-
$15.13M
-
-
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MPMNX Mutual Fund All Holdings
MPMNX holdings total 2292 positions. The top 10 holdings account for 6.2% of the fund, led by Mfs Institutional Money Market Portfolio at 2.4%, Black Belt Energy Gas Dist Ala Gas Proj Rev Bds 12/01/2034 at 0.5%, Texas St Muni Gas Acquisition & Sply Corp Iv Variable Rate, Due 01/01/2054 at 0.5%.
MPMNX portfolio concentration is well-diversified, with the top 10 representing 6.2% of total assets. The largest sector exposure is Financials at 17.7%.
MPMNX sectors provide a detailed breakdown. MPMNX overlap shows how holdings compare to other funds in your portfolio.