IBMSvsTAXFETF Comparison
VS
iShares iBonds Dec 2030 Term Muni Bond ETF (IBMS) and American Century Diversified Municipal Bond ETF (TAXF) belong to the same industry segment: Municipal Bonds. IBMS's top 2 sector exposures are Municipal and Non-Corporate. In contrast, TAXF's top sector exposures are Municipal. IBMS is less expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.25% for TAXF. IBMS is down -0.77% year-to-date (YTD) with +$144M in YTD flows. TAXF performs worse with -1.95% YTD performance, and +$186M in YTD flows. Run a side-by-side ETF comparison of IBMS and TAXF 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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IBMS vs TAXF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBMS TAXF | +0.22%-0.55% | -1.08%-3.72% | -0.77%-1.95% | -0.27%-1.39% | n/a+13.30% | n/a+1.94% |
| Flows | IBMS TAXF | +$19M+$31M | +$56M+$48M | +$144M+$186M | +$218M+$219M | -+$386M | -+$580M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBMS TAXF | +3.25%+5.58% | +2.09%+3.45% | n/a+3.91% | n/a+3.88% |
| Max drawdown | IBMS TAXF | -3.36%-6.15% | -4.36%-6.91% | n/a-6.91% | n/a-13.26% |
| Max drawdown duration | IBMS TAXF | 67d91d | 235d106d | n/a106d | n/a1001d |
Trading data
IBMS | TAXF | |
Last sale 10/20/2026 at 1:30 PM | $25.36 | $47.83 |
| Previous close 10/19/2026 | $25.36 | $47.90 |
| Consolidated volume 10/19/2026 | ||
| 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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TAXF
is actively managed and doesn’t replicate an indexIBMS | TAXF | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 1:30 PM
Live
Closed
IBMS | TAXF | |
|---|---|---|
| Last price | $25.36 | $47.83 |
| 1D performance | -0.02% | -0.15% |
| AuM | $363.11 M | $705.00 M |
| E/R | 0.1% | 0.25% |
Characteristics
IBMS | TAXF | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | American Century Investments |
| Benchmark | S&P AMT-Free Municipal Series Callable-Adjusted 2030 Index | - |
| N° of holdings | 491 | 244 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2024 | September 10, 2018 |
| ESG | No | No |
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Exposure
Countries
IBMS
USA
33.92%
Other
66.08%
TAXF
USA
35.49%
Other
64.51%
Sectors
IBMS
Municipal
32.72%
Other
67.28%
TAXF
Municipal
35.49%
Other
64.51%
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Diversification
IBMS
Total weight of top 15 holdings out of 15
7.34%
TAXF
Total weight of top 15 holdings out of 15
8.47%
Top 15 holdings
Data as of August 31, 2026
IBMS
BlackRock Liquidity MuniCash
1.20%
New Jersey, 4% 1jun2030, USD
0.74%
US79625GNF62
0.59%
New York Metropolitan Transportation Authority, 5% 15nov2045, USD (2015A-2)
0.54%
US91412HWB58
0.49%
Connecticut Health and Educational Facilities Authority, 5% 1jul2064, USD (2025B-1)
0.47%
California, 5% 1nov2030, USD
0.42%
US544647MT41
0.40%
US03843TAY73
0.40%
US544647HM52
0.38%
US618024BT98
0.36%
Alabama Public School and College Authority, 5% 1nov2032, USD (2020-A)
0.36%
US419794B842
0.35%
Missouri Highways and Transportation Commission, 5% 1may2030, USD (2022)
0.32%
US39081HHV78
0.32%
TAXF
US74442PN840
0.88%
Build NYC Resource Corp., 5.25% 15dec2031, USD (2026B-3)
0.88%
Arkansas Development Finance Authority, 4% 1sep2046, USD (2026A)
0.73%
US60637GRY79
0.65%
Puerto Rico Sales Tax Financing Corp., 4.329% 1jul2040, USD
0.58%
US646080ZU81
0.57%
US452252RA98
0.54%
Black Belt Energy Gas District, 5% 1oct2035, USD (2025)
0.54%
Southeast Alabama Gas Supply District, FRN 1aug2054, USD (A)
0.54%
US681725PH47
0.46%
Orlando Utilities Commission, 5% 1oct2048, USD (2023A)
0.45%
US74439YBD22
0.44%
US292723AY90
0.41%
US880157EC24
0.40%
Patriots Energy Group Financing Agency, 5.25% 1oct2054, USD (2023A-1)
0.40%
Frequently asked questions about IBMS and TAXF
How have the IBMS and TAXF ETFs performed in 2026?
As of October 19, 2026, IBMS is down -0.77% year-to-date (YTD), while TAXF has lost -1.95%. That puts IBMS better performer ahead so far this year.
Which ETF is attracting more investor money: IBMS or TAXF?
Year-to-date, the IBMS ETF saw +$144M in flows, compared to +$186M for TAXF.
Which ETF is more volatile: IBMS or TAXF?
Over the past year, IBMS had a volatility of 2.09%, while TAXF experienced 3.45%.
Which ETF is bigger: IBMS or TAXF?
As of October 19, 2026, IBMS holds $363.11 M in assets under management (AUM), while TAXF manages $705.00 M.
What sectors do the IBMS and TAXF ETFs invest in?
IBMS leans toward sectors like Municipal. Meanwhile, TAXF focuses on Municipal.
What are the top holdings of the IBMS ETF and TAXF ETF?
IBMS top holdings include BlackRock Liquidity MuniCash, New Jersey, 4% 1jun2030, USD and US79625GNF62. TAXF holds in its top three: US74442PN840, Build NYC Resource Corp., 5.25% 15dec2031, USD (2026B-3) and Arkansas Development Finance Authority, 4% 1sep2046, USD (2026A).
Which ETF is more diversified: IBMS or TAXF?
IBMS holds 1769 securities with 7.34% of its assets in the top 15. TAXF has 792 securities and a top 15 weight of 8.47%.
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