IBMXvsVMBSETF Comparison
VS
iShares iBonds Dec 2035 Term Muni Bond ETF (IBMX) belongs to the Municipal Bonds segment. Vanguard Mortgage-Backed Securities ETF (VMBS) is part of the MBS & ABS segment. IBMX's top 2 sector exposures are Municipal and Non-Corporate. In contrast, VMBS's top sector exposures are Industrials, Finance and Government Agencies. IBMX is more expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.03% for VMBS. Run a side-by-side ETF comparison of IBMX 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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IBMX vs VMBS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMX VMBS | -2.95%-1.40% | -3.95%-2.05% | n/a-1.70% | n/a-0.45% | n/a+13.54% | n/a-0.35% |
| Flows | IBMX VMBS | +$1M+$326M | +$1M+$689M | -+$1.43B | -+$1.32B | --$727M | -+$3.08B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMX VMBS | +3.73%+4.35% | n/a+3.86% | n/a+5.50% | n/a+6.45% |
| Max drawdown | IBMX VMBS | -4.76%-2.55% | n/a-3.66% | n/a-5.47% | n/a-16.91% |
| Max drawdown duration | IBMX VMBS | 67d74d | n/a194d | n/a75d | n/a1459d |
Trading data
IBMX | VMBS | |
Last sale 9/11/2026 at 1:30 PM | $23.78 | $45.32 |
| Previous close 09/10/2026 | $23.75 | $45.38 |
| Consolidated volume 09/10/2026 | ||
| 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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IBMX | 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 9/11/2026 at 1:30 PM
Live
Closed
IBMX | VMBS | |
|---|---|---|
| Last price | $23.78 | $45.32 |
| 1D performance | +0.13% | -0.13% |
| AuM | $5.96 M | $15.68 B |
| E/R | 0.1% | 0.03% |
Characteristics
IBMX | VMBS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Vanguard |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted 2035 Index | Bloomberg U.S. MBS Float Adjusted Index |
| N° of holdings | 24 | 701 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 14, 2026 | November 19, 2009 |
| ESG | No | No |
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Exposure
Countries
IBMX
USA
26.56%
Other
73.44%
VMBS
USA
26.52%
Other
73.48%
Sectors
IBMX
Municipal
25.8%
Other
74.2%
VMBS
Industrials
26.09%
Other
73.91%
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Diversification
IBMX
Total weight of top 15 holdings out of 15
25.78%
VMBS
Total weight of top 15 holdings out of 15
3.98%
Top 15 holdings
Data as of July 31, 2026
IBMX
California, 5% 1oct2035, USD
3.08%
University of Texas, 5% 15aug2036, USD (2025B)
2.56%
Massachusetts Development Finance Agency, 5% 15may2055, USD (2025A-2)
2.31%
US677523RD66
2.21%
University of California, 5% 15may2038, USD (2025)
1.83%
Maryland, 5% 1jun2039, USD (2025)
1.81%
Los Angeles Unified School District, 5% 1jul2039, USD (2024QRR)
1.57%
Texas Transportation Commission, 5% 1oct2036, USD (2025)
1.50%
US59261AY925
1.47%
California, 5% 1sep2035, USD
1.40%
US684554GB85
1.36%
US207758Z305
1.26%
US64990KHR77
1.15%
State of Washington, 5% 1aug2039, USD (2025D)
1.14%
US64972JXD52
1.14%
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 IBMX and VMBS
Which ETF is bigger: IBMX or VMBS?
As of September 11, 2026, IBMX holds $5.96 M in assets under management (AUM), while VMBS manages $15.68 B.
What sectors do the IBMX and VMBS ETFs invest in?
IBMX leans toward sectors like Municipal. Meanwhile, VMBS focuses on Industrials.
What are the top holdings of the IBMX ETF and VMBS ETF?
IBMX top holdings include California, 5% 1oct2035, USD, University of Texas, 5% 15aug2036, USD (2025B) and Massachusetts Development Finance Agency, 5% 15may2055, USD (2025A-2). VMBS holds in its top three: US21H0526861, G2 MB0025, 5% 20nov2054, USD (ABS) and US3618N56H72.
Which ETF is more diversified: IBMX or VMBS?
IBMX holds 135 securities with 25.78% of its assets in the top 15. VMBS has 5140 securities and a top 15 weight of 3.98%.
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