Showing top 50 of 96 holdings · as of Feb 28, 2026
MMBMX holdings, by weight
#
Ticker
Name
Weight
Cumulative
Mkt value
Sector
Industry
1
—
Energy S E Al A Cooperative 07/54 1Utilities · Electric Utilities
2.41%
2.4%
$2.76M
Utilities
Electric Utilities
2
Debt
Main Street Natural Gas IncUtilities · Gas Utilities
2.37%
4.8%
$2.72M
Utilities
Gas Utilities
Sector and industry · Pro
3
Debt
Commonwealth Of Massachusetts
2.31%
7.1%
$2.65M
4
—
New York Liberty Development Corporation, New York, Liberty Revenue Bonds, Bank of America Tower At One Bryant Park Project, Second Priority Refunding
2.21%
9.3%
$2.53M
5
Debt
Massachusetts Development Finance Agency
2.21%
11.5%
$2.53M
6
—
Massachusetts Development Finance Agency, Revenue Bonds, Partners Healthcare System Issue, Series 2017S-1 4 2036-07-01
2.19%
13.7%
$2.52M
7
—
Massachusetts Housing Finance Agency, Multifamily Housing Bonds, Green Sustainability Series 2024B3
2.12%
15.8%
$2.43M
8
Debt
Massachusetts Ed Ln Auth Ed Ln Ma Ed Ln Auth
2.10%
17.9%
$2.41M
9
—
Ma St Dev Fin Agy-M 01/07/2034
2.02%
19.9%
$2.32M
10
Debt
Massachusetts Development Finance Agency
1.96%
21.9%
$2.25M
11
—
Southeast Energy Auth Coop Dis 5% Oct 01, 2030
1.90%
23.8%
$2.18M
12
—
Chicago Park District
1.88%
25.7%
$2.15M
13
—
Massachusetts St Port Auth Mastrn 07/28 Fixed 5
1.84%
27.5%
$2.11M
14
Debt
Ma Masdev
1.76%
29.3%
$2.02M
15
Debt
Ma Mas
1.73%
31.0%
$1.99M
16
Debt
Ma Masdev
1.70%
32.7%
$1.95M
17
Debt
City Of Worcester Ma
1.65%
34.4%
$1.89M
18
—
Massachusetts St Port Auth Spl Massachusetts Port Authority
1.54%
35.9%
$1.76M
19
Debt
Ma Sha
1.54%
37.4%
$1.76M
20
—
Massachusetts State Dfa Revenue 5.0000% Mat 04/15/2040
1.51%
38.9%
$1.73M
21
Debt
Ma Port
1.47%
40.4%
$1.68M
22
—
Massachusetts St Dev Fin Agy Revenue
1.41%
41.8%
$1.62M
23
Debt
City Of Boston Ma
1.35%
43.2%
$1.55M
24
Debt
Fx.rt. Muni Bond
1.31%
44.5%
$1.50M
25
—
Massachusetts Development Finance Agency, Revenue Bonds, Western New England University, Series 2015
1.31%
45.8%
$1.50M
26
Debt
Ma Mid
1.27%
47.1%
$1.46M
27
Debt
Massachusetts Development Finance Agency
1.25%
48.3%
$1.43M
28
Debt
Ma Masdev
1.22%
49.5%
$1.40M
29
—
California Cmnty Choice Fing A Ccedev 11/33 Fixed 5
1.21%
50.8%
$1.38M
30
—
Massachusetts St Dev Fin Agy Revenue
1.18%
51.9%
$1.35M
31
—
Lowell Ma Collegiate Chrt Sch Revenue
1.16%
53.1%
$1.33M
32
Debt
Commonwealth Of Massachusetts
1.14%
54.2%
$1.30M
33
—
Massachusetts Development Finance Agency 5 2033-01-01
1.12%
55.3%
$1.29M
34
Debt
Ma Hfa Hsg Rev
1.10%
56.4%
$1.26M
35
Debt
Ma Hin
1.09%
57.5%
$1.24M
36
Debt
Massachusetts St H
1.08%
58.6%
$1.23M
37
—
Massachusetts Health and Educati Masmed 11/35 Fixed 5
1.07%
59.7%
$1.22M
38
Debt
Massachusetts Bay Transportation Authority Sales Tax Revenue
1.03%
60.7%
$1.18M
39
—
Ma St-B-Ref 5 2037-05-01
1.01%
61.7%
$1.16M
40
Debt
Guam Government Waterworks Authority
1.00%
62.7%
$1.14M
41
Debt
City Of Boston Ma
0.99%
63.7%
$1.13M
42
Debt
Guam Government Waterworks Authority
0.99%
64.7%
$1.13M
43
Debt
City Of Somerville Ma
0.99%
65.7%
$1.13M
44
Debt
Ma Wch
0.99%
66.7%
$1.13M
45
Debt
Massachusetts Clean Water Trust (The), Series 25B
0.98%
67.7%
$1.12M
46
—
Ca Cmnty Choice-A-1 Frn 4/1/2056 2056-04-01
0.97%
68.6%
$1.11M
47
—
Territory Of Guam Series 2025-G 5.00%, 01/01/31
0.96%
69.6%
$1.09M
48
—
Ma Dev Fin Agy -A-1
0.95%
70.5%
$1.09M
49
—
Massachusetts St Port Auth Spl Massachusetts Port Authority
0.94%
71.5%
$1.08M
50
Debt
Ma Masdev
0.93%
72.4%
$1.06M
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MMBMX Mutual Fund All Holdings
MMBMX holdings total 98 positions. The top 10 holdings account for 21.9% of the fund, led by Energy S E Al A Cooperative 07/54 1 at 2.4%, Main Street Natural Gas Inc,5 12/01/2054 at 2.4%, Commonwealth Of Massachusetts 0.04 11/01/2035 at 2.3%.
MMBMX portfolio concentration is well-diversified, with the top 10 representing 21.9% of total assets. The largest sector exposure is Financials at 14.7%.
MMBMX sectors provide a detailed breakdown. MMBMX overlap shows how holdings compare to other funds in your portfolio.