CGSMvsVMBSETF Comparison
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Capital Group Short Duration Municipal Income ETF (CGSM) belongs to the Municipal Bonds segment. Vanguard Mortgage-Backed Securities ETF (VMBS) is part of the MBS & ABS segment. CGSM's top 1 sector exposures are Municipal. In contrast, VMBS's top sector exposures are Industrials, Finance and Government Agencies. CGSM is more expensive with a Total Expense Ratio (TER) of 0.25%, versus 0.03% for VMBS. CGSM is up 0.7% year-to-date (YTD) with +$655M in YTD flows. VMBS performs worse with -1.31% YTD performance, and +$1.48B in YTD flows. Run a side-by-side ETF comparison of CGSM and VMBS 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 VMBS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/17/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CGSM VMBS | -0.77%-1.05% | -0.60%-1.37% | +0.70%-1.31% | +1.14%-0.09% | n/a+13.87% | n/a+0.14% |
| Flows | CGSM VMBS | +$31M+$370M | +$387M+$702M | +$655M+$1.48B | +$788M+$1.16B | --$729M | -+$2.98B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CGSM VMBS | +1.27%+4.43% | +1.47%+3.91% | n/a+5.51% | n/a+6.45% |
| Max drawdown | CGSM VMBS | -0.91%-2.81% | -1.36%-3.92% | n/a-5.24% | n/a-16.83% |
| Max drawdown duration | CGSM VMBS | 23d80d | 116d200d | n/a70d | n/a1451d |
Trading data
CGSM | VMBS | |
Last sale 9/18/2026 at 7:17 PM | $26.03 | $45.27 |
| Previous close 09/17/2026 | $26.07 | $45.50 |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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CGSM
is actively managed and doesn’t replicate an indexCGSM | VMBS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/18/2026 at 7:17 PM
Live
Closed
CGSM | VMBS | |
|---|---|---|
| Last price | $26.03 | $45.27 |
| 1D performance | -0.17% | -0.51% |
| AuM | $1.59 B | $15.80 B |
| E/R | 0.25% | 0.03% |
Characteristics
CGSM | VMBS | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Capital Group | Vanguard |
| Benchmark | - | Bloomberg U.S. MBS Float Adjusted Index |
| N° of holdings | 238 | 701 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 26, 2023 | November 19, 2009 |
| ESG | No | No |
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Exposure
Countries
CGSM
USA
30.86%
Other
69.14%
VMBS
USA
26.52%
Other
73.48%
Sectors
CGSM
Municipal
30.86%
Other
69.14%
VMBS
Industrials
26.09%
Other
73.91%
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Diversification
CGSM
Total weight of top 15 holdings out of 15
11.66%
VMBS
Total weight of top 15 holdings out of 15
3.98%
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%
VMBS
US21H0526861
0.38%
G2 MB0025, 5% 20nov2054, USD (ABS)
0.29%
US3618N56H72
0.29%
US01F0506927
0.28%
US3618N6K636
0.27%
US3140Y9B864
0.27%
US3618N6BE68
0.27%
G2 MB0024, 4.5% 20nov2054, USD (ABS)
0.26%
US3132E0TL66
0.25%
US3142J6DY61
0.25%
US3618N6HU47
0.24%
FR SD8146, 2% 1may2051, USD (ABS)
0.24%
US3618N6FL65
0.23%
US3142J6C840
0.23%
FR RQ0056, 5.5% 1oct2055, USD (ABS)
0.22%
Frequently asked questions about CGSM and VMBS
How have the CGSM and VMBS ETFs performed in 2026?
As of September 17, 2026, CGSM is up 0.7% year-to-date (YTD), while VMBS has lost -1.31%. That puts CGSM better performer ahead so far this year.
Which ETF is attracting more investor money: CGSM or VMBS?
Year-to-date, the CGSM ETF saw +$655M in flows, compared to +$1.48B for VMBS.
Which ETF is more volatile: CGSM or VMBS?
Over the past year, CGSM had a volatility of 1.47%, while VMBS experienced 3.91%.
Which ETF is bigger: CGSM or VMBS?
As of September 17, 2026, CGSM holds $1.59 B in assets under management (AUM), while VMBS manages $15.80 B.
What sectors do the CGSM and VMBS ETFs invest in?
CGSM leans toward sectors like Municipal. Meanwhile, VMBS focuses on Industrials.
What are the top holdings of the CGSM ETF and VMBS ETF?
CGSM top holdings include US650028E821, US574193XS28 and US34153QZG45. VMBS holds in its top three: US21H0526861, G2 MB0025, 5% 20nov2054, USD (ABS) and US3618N56H72.
Which ETF is more diversified: CGSM or VMBS?
CGSM holds 1018 securities with 11.66% of its assets in the top 15. VMBS has 5140 securities and a top 15 weight of 3.98%.
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Latest news about CGSM & VMBS
A Close Look at Capital Group's 5 New Active ETFs Listed on NYSE ARCA
October 26, 2023
CGSM
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