USMBX Mutual Fund

NAV$9.98

AUM$3M

TER0.47%

Holdings78

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USMBX Mutual Fund

NAV$9.98

Columbia Ultra Short Duration Municipal Bond Fund Class A

AUM$3M

TER0.47%

Holdings78

See how much of USMBX you already own

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 78 holdings · as of Aug 31, 2026

USMBX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	MCSXX	Blackrock Liquidity Municash InstlFinancials · Capital Markets	4.79%	4.8%	3,735,037	$3.74M	Financials	Capital Markets
2	Debt	State Of MarylandFinancials · Thrifts	2.68%	7.5%	-	$2.09M	Financials	Thrifts
Sector and industry · Pro
3	—	Fairfax Cnty Va Redev & Hsg Auth Variable Rate, Due 01/01/2045	2.60%	10.1%	-	$2.03M
4	—	Colorado Housing and Finance Authority 3.1% 10-01-27 3.1 2027-10-01	2.57%	12.6%	-	$2.00M
5	Debt	Port Ny Nj	2.56%	15.2%	-	$2.00M
6	Debt	State Of Minnesota	2.44%	17.6%	-	$1.90M
7	—	Fall River Ma N/C, 4%, Due 01/29/2027 4	2.04%	19.7%	-	$1.59M
8	Debt	State Of Wisconsin	1.95%	21.6%	-	$1.52M
9	—	Missouri St Public Utilities Commn 4%, Due 10/01/2027	1.93%	23.6%	-	$1.51M
10	—	Pma Levy & Aid-A 5 2026-09-24	1.92%	25.5%	-	$1.50M
11	Debt	Los Angeles Calif Dept Arpts R	1.90%	27.4%	-	$1.48M
12	Debt	Ftwscd	1.89%	29.3%	-	$1.48M
13	—	Connecticut St 5% 07/27	1.63%	30.9%	-	$1.28M
14	—	Pasadena Independent School District 5 02-15-2027	1.62%	32.5%	-	$1.26M
15	—	Main Street Natural Gas, Inc., Series 2019 C, Rb	1.38%	33.9%	-	$1.07M
16	—	Southeast Energy Auth Coop Dis 5% Oct 01, 2030	1.36%	35.3%	-	$1.06M
17	—	Kentucky St Public Energy Auth Kyspwr 06/55 Adjustable Var	1.35%	36.6%	-	$1.05M
18	Debt	Board Of Regents Of The University Of Texas System	1.34%	38.0%	-	$1.04M
19	Debt	Black Belt Energy Gas District, Alabama, Gas Project Revenue Bonds, Series 2024C	1.34%	39.3%	-	$1.04M
20	—	Lower Colorado River Authority	1.33%	40.6%	-	$1.04M
21	Debt	Commonwealth Of Pennsylvania	1.33%	42.0%	-	$1.04M
22	—	San Antonio Tx Elec & Gas Revenue N/C 5% Due 02/01/2028	1.32%	43.3%	-	$1.03M
23	—	Tennessee St Energy Acquisitio Regd V/R B/E 5.00000000	1.31%	44.6%	-	$1.02M
24	Debt	Gt Orlando Fl Arpt	1.31%	45.9%	-	$1.02M
25	Debt	Rhode Island St St	1.31%	47.2%	-	$1.02M
26	—	St Louis Airport Amt Agm 17b 5.0% 07-01-27	1.31%	48.5%	-	$1.02M
27	—	Broward Co Fl Arpt Amt 19b 5.0% 10-01-27	1.31%	49.8%	-	$1.02M
28	—	Denver City & Cnty Co Arpt Rev 5 11-15-2027	1.31%	51.1%	-	$1.03M
29	—	Los Angeles Department Of Water & Power Power System Revenue 5.0% 07-01-27 5 2027-07-01	1.31%	52.4%	-	$1.02M
30	—	Clark Cnty Nv Arpt Revenue Regd N/C B/E Amt 5.00000000	1.30%	53.7%	-	$1.02M
31	—	Illinois St-B-Rev- 5 6/27	1.30%	55.0%	-	$1.02M
32	—	Narragansett Bay Ri Commission Wstwtr Sys N/C, 4%, Due 08/12/2027	1.30%	56.3%	-	$1.01M
33	Debt	School District Of Philadelphia/The	1.30%	57.6%	-	$1.02M
34	—	San Francisco City 5.00%	1.30%	58.9%	-	$1.01M
35	Debt	Adams & Arapahoe Counties Joint School District 28J Aurora	1.29%	60.2%	-	$1.01M
36	—	Chandler Industrial Development Authority 5 2052/09/01	1.29%	61.5%	-	$1.01M
37	—	Manor Housing Public Facility Corp 3.4% 2042-11-01	1.29%	62.8%	-	$1.00M
38	—	Pavilion, Ny Central School District, 4.000%, 8/6/2027	1.29%	64.1%	-	$1.01M
39	—	South Lewis Central School Districtsouth Lewis Ny Centrl Sch Dist	1.29%	65.4%	-	$1.01M
40	—	Ks Fort Scott Notes	1.29%	66.7%	-	$1.01M
41	—	Hammond N Y Cent Sch Dist	1.29%	68.0%	-	$1.01M
42	Debt	Muni Put Bond Act	1.29%	69.3%	-	$1.00M
43	—	New York Ny 08/01/2044	1.28%	70.5%	-	$1.00M
44	—	New York N Y City Mun Wtr Fin 4% Jun 15, 2050	1.28%	71.8%	-	$1.00M
45	—	Cumberland County Industrial Facilities and Pollution Control Financing Authority, Solid Waste Disposal Project Hero	1.28%	73.1%	-	$1.00M
46	—	Guthrie County Hospital 4.5 2029-02-01	1.28%	74.4%	-	$998.4K
47	—	Lloyd N Y 3.75 2027-02-05	1.28%	75.7%	-	$1.00M
48	—	Nj Hsg & Mtge Fin-D-2 2.85 2026-11-01	1.28%	76.9%	-	$1.00M
49	—	Ny St Hsg Fin Agy-E 3.15 2065-11-01	1.28%	78.2%	-	$995.5K
50	—	William S Hart Ca Union High Sch Dist	1.28%	79.5%	-	$999.9K
More holdings · Pro

Not reported for this fund: share changes.

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USMBX Mutual Fund All Holdings

USMBX holdings total 78 positions. The top 10 holdings account for 25.5% of the fund, led by Blackrock Liquidity Municash Instl at 4.8%, State Of Maryland 5 08/01/2028 at 2.7%, Fairfax Cnty Va Redev & Hsg Auth Variable Rate, Due 01/01/2045 at 2.6%.

USMBX portfolio concentration is well-diversified, with the top 10 representing 25.5% of total assets. The largest sector exposure is Financials at 23.0%.

USMBX sectors provide a detailed breakdown. USMBX overlap shows how holdings compare to other funds in your portfolio.