VMBSvsCGSMETF Comparison
VS
Vanguard Mortgage-Backed Securities ETF (VMBS) belongs to the MBS & ABS segment. Capital Group Short Duration Municipal Income ETF (CGSM) is part of the Municipal Bonds segment. VMBS's top 3 sector exposures are Industrials, Finance and Government Agencies. In contrast, CGSM's top sector exposures are Municipal. VMBS is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.25% for CGSM. VMBS is down -1.56% year-to-date (YTD) with +$1.65B in YTD flows. CGSM performs better with 1.2% YTD performance, and +$754M in YTD flows. Run a side-by-side ETF comparison of VMBS 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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VMBS vs CGSM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | VMBS CGSM | +0.90%+1.11% | -0.77%+0.28% | -1.56%+1.20% | -1.07%+1.80% | +19.19%+14.39% | +0.51%n/a |
| Flows | VMBS CGSM | +$101M+$91M | +$687M+$157M | +$1.65B+$754M | +$1.62B+$827M | -$1.53B+$1.67B | +$2.95B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | VMBS CGSM | +5.69%+2.28% | +4.39%+1.71% | +5.35%+1.96% | +6.51%n/a |
| Max drawdown | VMBS CGSM | -4.22%-2.33% | -5.75%-2.33% | -5.75%-2.33% | -16.74%n/a |
| Max drawdown duration | VMBS CGSM | 59d59d | 236d59d | 236d59d | 1398dn/a |
Trading data
VMBS | CGSM | |
Last sale 10/23/2026 at 1:30 PM | $45.23 | $26.13 |
| Previous close 10/22/2026 | $45.30 | $26.10 |
| Consolidated volume 10/22/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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CGSM
is actively managed and doesn’t replicate an indexVMBS | CGSM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/23/2026 at 1:30 PM
Live
Closed
VMBS | CGSM | |
|---|---|---|
| Last price | $45.23 | $26.13 |
| 1D performance | -0.15% | +0.11% |
| AuM | $15.87 B | $1.69 B |
| E/R | 0.03% | 0.25% |
Characteristics
VMBS | CGSM | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Vanguard | Capital Group |
| Benchmark | Bloomberg U.S. MBS Float Adjusted Index | - |
| N° of holdings | 698 | 235 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 19, 2009 | September 26, 2023 |
| ESG | No | No |
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Exposure
Countries
VMBS
USA
26.03%
Other
73.97%
CGSM
USA
30.46%
Other
69.54%
Sectors
VMBS
Industrials
25.62%
Other
74.38%
CGSM
Municipal
30.46%
Other
69.54%
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Diversification
VMBS
Total weight of top 15 holdings out of 15
3.67%
CGSM
Total weight of top 15 holdings out of 15
11.02%
Top 15 holdings
Data as of August 31, 2026
VMBS
G2 MB0025, 5% 20nov2054, USD (ABS)
0.28%
US3618N56H72
0.28%
US3618N6K636
0.26%
US3618N6BE68
0.26%
US3140Y9B864
0.26%
G2 MB0024, 4.5% 20nov2054, USD (ABS)
0.25%
US21H0606A46
0.25%
US3132E0TL66
0.25%
US3142J6DY61
0.24%
US3618N6HU47
0.23%
FR SD8146, 2% 1may2051, USD (ABS)
0.23%
US3618N6FL65
0.23%
US01F0526982
0.22%
US3142J6C840
0.22%
FR RQ0056, 5.5% 1oct2055, USD (ABS)
0.21%
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%
US57421CLT98
0.63%
PEFA Inc., 5% 1sep2049, USD (2019)
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 VMBS and CGSM
How have the VMBS and CGSM ETFs performed in 2026?
As of October 23, 2026, VMBS is down -1.56% year-to-date (YTD), while CGSM has returned 1.2%. That puts CGSM better performer ahead so far this year.
Which ETF is attracting more investor money: VMBS or CGSM?
Year-to-date, the VMBS ETF saw +$1.65B in flows, compared to +$754M for CGSM.
Which ETF is more volatile: VMBS or CGSM?
Over the past year, VMBS had a volatility of 4.39%, while CGSM experienced 1.71%.
Which ETF is bigger: VMBS or CGSM?
As of October 23, 2026, VMBS holds $15.87 B in assets under management (AUM), while CGSM manages $1.69 B.
What sectors do the VMBS and CGSM ETFs invest in?
VMBS leans toward sectors like Industrials. Meanwhile, CGSM focuses on Municipal.
What are the top holdings of the VMBS ETF and CGSM ETF?
VMBS top holdings include G2 MB0025, 5% 20nov2054, USD (ABS), US3618N56H72 and US3618N6K636. CGSM holds in its top three: US650028E821, US574193XS28 and US34153QZG45.
Which ETF is more diversified: VMBS or CGSM?
VMBS holds 4834 securities with 3.67% 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 VMBS & CGSM
A Close Look at Capital Group's 5 New Active ETFs Listed on NYSE ARCA
October 26, 2023
CGSM
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