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 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMX VMBS | +5.98%+2.13% | +0.19%-0.91% | n/a-1.28% | n/a-1.03% | n/a+18.92% | n/a+0.59% |
| Flows | IBMX VMBS | +$9M+$286M | +$14M+$873M | -+$1.83B | -+$1.94B | --$1.38B | -+$3.14B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMX VMBS | +6.52%+5.67% | n/a+4.39% | n/a+5.32% | n/a+6.51% |
| Max drawdown | IBMX VMBS | -6.47%-4.22% | n/a-5.75% | n/a-5.75% | n/a-16.74% |
| Max drawdown duration | IBMX VMBS | 75d63d | n/a240d | n/a240d | n/a1398d |
Trading data
IBMX | VMBS | |
Last sale 10/28/2026 at 1:30 PM | $24.42 | $45.25 |
| Previous close 10/27/2026 | $24.43 | $45.35 |
| Consolidated volume 10/27/2026 | ||
| 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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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 10/28/2026 at 1:30 PM
Live
Closed
IBMX | VMBS | |
|---|---|---|
| Last price | $24.42 | $45.25 |
| 1D performance | -0.04% | -0.22% |
| AuM | $19.53 M | $16.10 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 | 27 | 698 |
| 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
24.23%
Other
75.77%
VMBS
USA
26.03%
Other
73.97%
Sectors
IBMX
Municipal
23.77%
Other
76.23%
VMBS
Industrials
25.62%
Other
74.38%
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Diversification
IBMX
Total weight of top 15 holdings out of 15
23.03%
VMBS
Total weight of top 15 holdings out of 15
3.67%
Top 15 holdings
Data as of August 31, 2026
IBMX
California, 5% 1oct2035, USD
2.46%
University of Texas, 5% 15aug2036, USD (2025B)
2.01%
Massachusetts Development Finance Agency, 5% 15may2055, USD (2025A-2)
1.86%
US677523RD66
1.77%
US546585XM77
1.49%
University of California, 5% 15may2038, USD (2025)
1.46%
Maryland, 5% 1jun2039, USD (2025)
1.44%
Greater Chicago Metropolitan Water Reclamation District, 5.25% 1dec2035, USD
1.42%
US041431YV32
1.40%
US64990KHR77
1.38%
US438687N683
1.30%
US46613SSM34
1.29%
US29270C5S06
1.28%
Los Angeles Unified School District, 5% 1jul2039, USD (2024QRR)
1.26%
Texas Transportation Commission, 5% 1oct2036, USD (2025)
1.21%
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%
Frequently asked questions about IBMX and VMBS
Which ETF is bigger: IBMX or VMBS?
As of October 27, 2026, IBMX holds $19.53 M in assets under management (AUM), while VMBS manages $16.10 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: G2 MB0025, 5% 20nov2054, USD (ABS), US3618N56H72 and US3618N6K636.
Which ETF is more diversified: IBMX or VMBS?
IBMX holds 160 securities with 23.03% of its assets in the top 15. VMBS has 4834 securities and a top 15 weight of 3.67%.
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