CGSMvsTMNSETF Comparison
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Capital Group Short Duration Municipal Income ETF (CGSM) and T. Rowe Price Short Municipal Income ETF (TMNS) belong to the same industry segment: Municipal Bonds. Both ETFs have the same top 1 sector exposures: Municipal. CGSM is more expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.18% for TMNS. CGSM is up 0.69% year-to-date (YTD) with +$655M in YTD flows. TMNS performs worse with 0.67% YTD performance, and +$2M in YTD flows. Run a side-by-side ETF comparison of CGSM and TMNS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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CGSM vs TMNS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CGSM TMNS | -0.78%-0.84% | -0.58%-0.64% | +0.69%+0.67% | +1.24%n/a | n/an/a | n/an/a |
| Flows | CGSM TMNS | +$31M+$1M | +$387M+$2M | +$655M+$2M | +$789M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CGSM TMNS | +1.26%+1.47% | +1.47%n/a | n/an/a | n/an/a |
| Max drawdown | CGSM TMNS | -0.88%-1.02% | -1.36%n/a | n/an/a | n/an/a |
| Max drawdown duration | CGSM TMNS | 21d70d | 116dn/a | n/an/a | n/an/a |
Trading data
CGSM | TMNS | |
Last sale 9/16/2026 at 2:28 PM | $26.06 | $49.33 |
| Previous close 09/15/2026 | $26.04 | $49.39 |
| Consolidated volume 09/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/16/2026 at 2:28 PM
Live
Closed
CGSM | TMNS | |
|---|---|---|
| Last price | $26.06 | $49.33 |
| 1D performance | +0.08% | -0.11% |
| AuM | $1.59 B | $23.45 M |
| E/R | 0.25% | 0.18% |
Characteristics
CGSM | TMNS | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Capital Group | T. Rowe Price |
| Benchmark | - | - |
| N° of holdings | 238 | 56 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 26, 2023 | November 19, 2025 |
| ESG | No | No |
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Exposure
Countries
CGSM
USA
30.86%
Other
69.14%
TMNS
USA
31.14%
Other
68.86%
Sectors
CGSM
Municipal
30.86%
Other
69.14%
TMNS
Municipal
31.14%
Other
68.86%
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Diversification
CGSM
Total weight of top 15 holdings out of 15
11.66%
TMNS
Total weight of top 15 holdings out of 15
28.33%
Top 15 holdings
Data as of July 31, 2026
CGSM
US650028E821
1.14%
US574193XS28
1.04%
US34153QZG45
1.02%
US83703FLR19
1.01%
US373385QZ98
1.01%
Triborough Bridge and Tunnel Authority, 5% 1feb2028, USD (2026A)
0.84%
US91412HWB58
0.74%
PEFA Inc., 5% 1sep2049, USD (2019)
0.65%
US57421CLT98
0.64%
Virginia College Building Authority, 5% 1feb2032, USD
0.63%
US48542TBS87
0.62%
US74440DFN93
0.60%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.59%
US254773BN34
0.57%
University of Michigan, FRN 1apr2042, USD (2012B)
0.56%
TMNS
US425507GL89
3.14%
US23503CFK80
2.35%
US735240L842
2.25%
New York Housing Finance Agency, FRN 1may2049, USD
2.21%
US09182TCG04
1.98%
California Community Choice Financing Authority, 5.5% 1oct2054, USD (2023F)
1.93%
US650116DJ25
1.88%
US735389D620
1.77%
New York Mortgage Agency, 3.4% 1oct2030, USD
1.74%
Illinois Toll Highway Authority, 5% 1jan2031, USD
1.64%
US546068AZ00
1.63%
US64988YQ831
1.48%
US04052FDU66
1.46%
Puerto Rico, 5.75% 1jul2031, USD
1.45%
US187145WS29
1.43%
Frequently asked questions about CGSM and TMNS
How have the CGSM and TMNS ETFs performed in 2026?
As of September 15, 2026, CGSM is up 0.69% year-to-date (YTD), while TMNS has returned 0.67%. That puts CGSM better performer ahead so far this year.
Which ETF is attracting more investor money: CGSM or TMNS?
Year-to-date, the CGSM ETF saw +$655M in flows, compared to +$2M for TMNS.
Which ETF is bigger: CGSM or TMNS?
As of September 15, 2026, CGSM holds $1.59 B in assets under management (AUM), while TMNS manages $23.45 M.
What sectors do the CGSM and TMNS ETFs invest in?
CGSM leans toward sectors like Municipal. Meanwhile, TMNS focuses on Municipal.
What are the top holdings of the CGSM ETF and TMNS ETF?
CGSM top holdings include US650028E821, US574193XS28 and US34153QZG45. TMNS holds in its top three: US425507GL89, US23503CFK80 and US735240L842.
Which ETF is more diversified: CGSM or TMNS?
CGSM holds 1018 securities with 11.66% of its assets in the top 15. TMNS has 183 securities and a top 15 weight of 28.33%.
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Latest news about CGSM & TMNS
A Close Look at Capital Group's 5 New Active ETFs Listed on NYSE ARCA
October 26, 2023
CGSM
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