On Jun 30, 2026 CGSM's duration was 2.4 years and SMMU's 1.7; CGSM charges 0.25% to SMMU's 0.35%.Net assets: $1.6bn on Oct 8, 2026 for Capital Group Short Duration Municipal Income ETF, and $1.1bn on Jun 30, 2026 for PIMCO Short Term Municipal Bond Active Exchange-Traded Fund.
CGSM costs 0.10 points a year less; their one-year returns differ by 0.3 points; CGSM is 1.3 times larger.
CGSM
SMMU
Expense ratio
0.25%
0.35%
Net assets, as of Jun 30, 2026
$1.5bn
$1.1bn
Total return, 1 year
+0.8%
+1.1%
What it tracks
No index, actively managed
No index, actively managed
Holdings in common
4%
Holdings in common uses holdings dated Jun 30, 2026.
+0.8%
CGSM total return, 1 year
+1.1%
SMMU total return, 1 year
0.25%
CGSM expense ratio
0.35%
SMMU expense ratio
What they hold in common
By the books each fund has filed, CGSM and SMMU hold 4% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.
50%
half
4% in common
Positions both hold, largest shared weight first
HoldingCGSMSMMU
CONNECTICUT ST HLTH & EDUCTNL FACS AUTH REVENUE, due Jul 1, 20420.97%1.04%
KENTUCKY ST PUBLIC ENERGY AUTH GAS SPLY REVENUE, due Jun 1, 20550.62%0.35%
CALIFORNIA CMNTY CHOICE FING AUTH CLEAN ENERGY PROJ REVENUE, due Feb 1, 20540.28%0.23%
COLORADO ST HLTH FACS AUTH REVENUE, due May 15, 20610.23%0.44%
GRAND PARKWAY TRANSPRTN CORP TX SYS TOLL REVENUE, due Oct 1, 20520.28%0.23%
NEW YORK CITY NY MUNI WTR FIN AUTH WTR & SWR SYS REVENUE, due Jun 15, 20500.21%0.35%
PHOENIX AZ INDL DEV AUTH HLTHCARE FACS REVENUE, due Nov 15, 20520.89%0.20%
LOUISIANA ST HSG CORP MF HSG REVENUE, due Apr 1, 20300.17%0.18%
SOUTH CAROLINA ST HSG FIN & DEV AUTH MF REVENUE, due Apr 1, 20430.16%0.19%
MARYLAND ST HLTH & HGR EDUCTNL FACS AUTH REVENUE, due May 15, 20530.66%0.15%
NEW YORK CITY NY HSG DEV CORP MF HSG REV, due Nov 1, 20650.12%0.19%
CALIFORNIA ST MUNI FIN AUTH MF HSG REVENUE, due Jun 1, 20450.12%0.29%
Only in CGSM
MARYLAND ST, due Jun 1, 20301.08%
FLORIDA ST BRD OF EDU PUBLIC EDU, due Jun 1, 20291.06%
GEORGIA ST, due Dec 1, 20311.05%
SOUTH CAROLINA ST JOBS-ECON DEV AUTH HOSP REVENUE, due May 1, 20481.03%
ROCHESTER MN HLTH CARE FACS REVENUE, due Apr 1, 20661.02%
MISSISSIPPI BUSINESS FIN CORP MS PORT FAC REVENUE, due Jun 1, 20431.01%
PHOENIX AZ INDL DEV AUTH HLTHCARE FACS REVENUE, due Nov 15, 20521.00%
NEW YORK CITY NY MUNI WTR FIN AUTH WTR & SWR SYS REVENUE, due Jun 15, 20530.97%
Only in SMMU
U.S. Treasury Notes, due Feb 29, 20282.24%
U.S. Treasury Notes, due Feb 28, 20311.81%
Connecticut State Health & Educational Facilities Authority, due Jul 1, 20571.75%
Federal Home Loan Bank Discount Notes, due Sep 4, 20261.68%
New York City Municipal Water Finance Authority, due Jun 15, 20501.34%
Fort Bend Independent School District, due Aug 1, 20551.25%
Tarrant County Cultural Education Facilities Finance Corp., due Nov 15, 20631.22%
Net assets, CGSM as of Oct 8, 2026 and SMMU as of Jun 30, 2026$1.6bn$1.1bn
CGSM and SMMU on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
CGSM in plain words
CGSM is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +0.8% with distributions reinvested. The prospectus expense ratio is 0.25% a year.
SMMU in plain words
SMMU is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +1.1% with distributions reinvested. The prospectus expense ratio is 0.35% a year.
Questions people ask
Which returned more over the last year, CGSM or SMMU?
In the year to Oct 9, 2026, with distributions reinvested, CGSM returned +0.8% and SMMU +1.1%.
Which is cheaper, CGSM or SMMU?
CGSM is cheaper, by 0.10 percentage points a year. That is about $10 on $10,000 held for a year. Fees come from each fund's prospectus.
CGSM against SMMU, ETFIQ, data as of Oct 9, 2026. Every figure is calculated from a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.
