GMOCvsCGSMETF Comparison
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GMO Ultra-Short Income ETF (GMOC) belongs to the US Aggregate Bonds segment. Capital Group Short Duration Municipal Income ETF (CGSM) is part of the Municipal Bonds segment. GMOC's top 3 sector exposures are Sovereign, Industrials and Government Agencies. In contrast, CGSM's top sector exposures are Municipal. GMOC is less expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.25% for CGSM. GMOC is up 3.26% year-to-date (YTD) with +$27M in YTD flows. CGSM performs worse with 0.64% YTD performance, and +$723M in YTD flows. Run a side-by-side ETF comparison of GMOC and CGSM 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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GMOC vs CGSM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GMOC CGSM | +0.40%-0.02% | +1.03%-0.75% | +3.26%+0.64% | n/a+1.21% | n/a+13.41% | n/an/a |
| Flows | GMOC CGSM | +$2M+$68M | +$2M+$128M | +$27M+$723M | -+$808M | -+$1.63B | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GMOC CGSM | +0.21%+2.20% | n/a+1.67% | n/a+1.95% | n/an/a |
| Max drawdown | GMOC CGSM | -0.01%-2.33% | n/a-2.33% | n/a-2.33% | n/an/a |
| Max drawdown duration | GMOC CGSM | 4d52d | n/a52d | n/a52d | n/an/a |
Trading data
GMOC | CGSM | |
Last sale 10/16/2026 at 1:30 PM | $50.14 | $25.98 |
| Previous close 10/15/2026 | $50.13 | $25.96 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
GMOC | CGSM | |
|---|---|---|
| Last price | $50.14 | $25.98 |
| 1D performance | +0.02% | +0.08% |
| AuM | $34.47 M | $1.65 B |
| E/R | 0.2% | 0.25% |
Characteristics
GMOC | CGSM | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | GMO | Capital Group |
| Benchmark | - | - |
| N° of holdings | 19 | 235 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 27, 2025 | September 26, 2023 |
| ESG | No | No |
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Exposure
Countries
GMOC
USA
27.87%
Other
72.13%
CGSM
USA
30.46%
Other
69.54%
Sectors
GMOC
Sovereign
25.94%
Other
74.06%
CGSM
Municipal
30.46%
Other
69.54%
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Diversification
GMOC
Total weight of top 15 holdings out of 15
61.58%
CGSM
Total weight of top 15 holdings out of 15
11.02%
Top 15 holdings
Data as of August 31, 2026
GMOC
US94949GAW15
7.64%
US48249VBE02
5.10%
US95023AAL44
4.95%
US69702EAJ47
4.65%
US87167NDL64
4.42%
US05684GAQ91
4.21%
USA, Notes 3.5% 31jan2028, USD (U-2028)
4.03%
USA, Notes 3.875% 31dec2027, USD (AH-2027)
4.01%
US39809TAW71
3.95%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
3.46%
US92332NBC83
3.37%
US07132JBL70
3.19%
USA, Notes 3.5% 30sep2027, USD (BH-2027)
3.12%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
2.86%
USA, Notes FRN 31jul2028, USD (BF-2028)
2.63%
CGSM
US650028E821
1.12%
US574193XS28
1.02%
US34153QZG45
1.01%
US83703FLR19
0.99%
Triborough Bridge and Tunnel Authority, 5% 1feb2028, USD (2026A)
0.83%
US373385QZ98
0.66%
PEFA Inc., 5% 1sep2049, USD (2019)
0.63%
US57421CLT98
0.63%
Virginia College Building Authority, 5% 1feb2032, USD
0.62%
Puerto Rico, FRN 1nov2043, USD
0.62%
US48542TBS87
0.61%
US74440DFN93
0.59%
Black Belt Energy Gas District, 5% 1jun2031, USD (2026)
0.58%
US254773BN34
0.57%
New York Municipal Water Finance Authority, FRN 15jun2053, USD (2023)
0.54%
Frequently asked questions about GMOC and CGSM
How have the GMOC and CGSM ETFs performed in 2026?
As of October 16, 2026, GMOC is up 3.26% year-to-date (YTD), while CGSM has returned 0.64%. That puts GMOC better performer ahead so far this year.
Which ETF is attracting more investor money: GMOC or CGSM?
Year-to-date, the GMOC ETF saw +$27M in flows, compared to +$723M for CGSM.
Which ETF is bigger: GMOC or CGSM?
As of October 16, 2026, GMOC holds $34.47 M in assets under management (AUM), while CGSM manages $1.65 B.
What sectors do the GMOC and CGSM ETFs invest in?
GMOC leans toward sectors like Sovereign. Meanwhile, CGSM focuses on Municipal.
What are the top holdings of the GMOC ETF and CGSM ETF?
GMOC top holdings include US94949GAW15, US48249VBE02 and US95023AAL44. CGSM holds in its top three: US650028E821, US574193XS28 and US34153QZG45.
Which ETF is more diversified: GMOC or CGSM?
GMOC holds 57 securities with 61.58% of its assets in the top 15. CGSM has 1032 securities and a top 15 weight of 11.02%.
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Latest news about GMOC & CGSM
A Close Look at Capital Group's 5 New Active ETFs Listed on NYSE ARCA
October 26, 2023
CGSM
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