IMTBvsWCPBETF Comparison
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iShares Core 5-10 Year USD Bond ETF (IMTB) belongs to the US Aggregate Bonds segment. Weitz Core Plus Bond ETF (WCPB) is part of the Intl IG Bonds segment. IMTB's top 3 sector exposures are Sovereign, Industrials and Non-Corporate. In contrast, WCPB's top sector exposures are Sovereign, Industrials and Finance. IMTB is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.78% for WCPB. IMTB is down -0.41% year-to-date (YTD) with +$4M in YTD flows. WCPB performs better with 1.25% YTD performance, and +$119M in YTD flows. Run a side-by-side ETF comparison of IMTB and WCPB 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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IMTB vs WCPB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IMTB WCPB | -0.21%+0.67% | -0.90%+0.15% | -0.41%+1.25% | +2.30%+3.97% | +15.61%n/a | +1.01%n/a |
| Flows | IMTB WCPB | -+$7M | -+$45M | +$4M+$119M | +$26M+$239M | +$84M- | +$158M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IMTB WCPB | +4.28%+3.84% | +3.94%+3.71% | +5.39%n/a | +6.19%n/a |
| Max drawdown | IMTB WCPB | -1.75%-1.46% | -2.88%-2.48% | -5.03%n/a | -18.13%n/a |
| Max drawdown duration | IMTB WCPB | 64d63d | 184d114d | 280dn/a | 1452dn/a |
Trading data
IMTB | WCPB | |
Last sale 9/2/2026 at 1:30 PM | $42.64 | $25.02 |
| Previous close 09/01/2026 | $42.60 | $24.98 |
| Consolidated volume 09/01/2026 | ||
| 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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WCPB
is actively managed and doesn’t replicate an indexIMTB | WCPB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
IMTB | WCPB | |
|---|---|---|
| Last price | $42.64 | $25.02 |
| 1D performance | +0.10% | +0.16% |
| AuM | $272.76 M | $240.82 M |
| E/R | 0.07% | 0.78% |
Characteristics
IMTB | WCPB | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Weitz Investment Management |
| Benchmark | Bloomberg U.S. Universal 5-10 Years Index | - |
| N° of holdings | 2875 | 100 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 1, 2016 | August 13, 2025 |
| ESG | No | No |
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Exposure
Countries
IMTB
USA
63.31%
Other
36.69%
WCPB
USA
55.62%
Other
44.38%
Sectors
IMTB
Sovereign
24.95%
Industrials
13.03%
Non-Corporate
10.19%
Finance
10.09%
Other
41.75%
WCPB
Sovereign
25.37%
Industrials
12.85%
Other
61.79%
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Diversification
IMTB
Total weight of top 15 holdings out of 15
23.24%
WCPB
Total weight of top 15 holdings out of 15
33.58%
Top 15 holdings
Data as of July 31, 2026
IMTB
BlackRock Cash Funds - Institutional
10.15%
USA, Notes 4.375% 15may2034, USD (C-2034)
1.19%
USA, Notes 4.25% 15aug2035, USD (E-2035)
1.16%
USA, Notes 4% 15nov2035, USD (F-2035)
1.11%
USA, Notes 4.625% 15feb2035, USD (B-2035)
1.03%
US01F0206874
0.93%
USA, Notes 2.875% 15may2032, USD (C-2032)
0.92%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.91%
USA, Notes 4% 15feb2034, USD (B-2034)
0.86%
USA, Notes 1.25% 15aug2031, USD (E-2031)
0.85%
US31418EDB39
0.85%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.82%
US3140XLFE34
0.82%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.82%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.82%
WCPB
USA, Bonds 4.375% 15may2040, USD
8.99%
USA, Bonds 4.25% 15nov2040, USD
3.03%
US3132DWJQ78
2.57%
USA, Bonds 5% 15may2045, USD
2.40%
USA, Bonds 4.625% 15nov2044, USD
2.21%
FR SD8267, 5% 1nov2052, USD (ABS)
2.15%
US31427TGG58
1.79%
USA, Bonds 4.375% 15nov2039, USD
1.48%
US31427MYN54
1.46%
USA, Bonds 4.5% 15aug2039, USD
1.38%
USA, Bonds 4.625% 15feb2040, USD
1.35%
USA, Bonds 4.375% 15may2041, USD
1.34%
HNI Corporation, 5.125% 18jan2029, USD
1.22%
FN MA5672, 5% 1apr2055, USD (ABS)
1.14%
FR SD8474, 5% 1nov2054, USD (ABS)
1.07%
Frequently asked questions about IMTB and WCPB
How have the IMTB and WCPB ETFs performed in 2026?
As of September 1, 2026, IMTB is down -0.41% year-to-date (YTD), while WCPB has returned 1.25%. That puts WCPB better performer ahead so far this year.
Which ETF is attracting more investor money: IMTB or WCPB?
Year-to-date, the IMTB ETF saw +$4M in flows, compared to +$119M for WCPB.
Which ETF is more volatile: IMTB or WCPB?
Over the past year, IMTB had a volatility of 3.94%, while WCPB experienced 3.71%.
Which ETF is bigger: IMTB or WCPB?
As of September 1, 2026, IMTB holds $272.76 M in assets under management (AUM), while WCPB manages $240.82 M.
What sectors do the IMTB and WCPB ETFs invest in?
IMTB leans toward sectors like Sovereign, Industrials and Non-Corporate. Meanwhile, WCPB focuses on Sovereign and Industrials.
What are the top holdings of the IMTB ETF and WCPB ETF?
IMTB top holdings include BlackRock Cash Funds - Institutional, USA, Notes 4.375% 15may2034, USD (C-2034) and USA, Notes 4.25% 15aug2035, USD (E-2035). WCPB holds in its top three: USA, Bonds 4.375% 15may2040, USD, USA, Bonds 4.25% 15nov2040, USD and US3132DWJQ78.
Which ETF is more diversified: IMTB or WCPB?
IMTB holds 3452 securities with 23.24% of its assets in the top 15. WCPB has 170 securities and a top 15 weight of 33.58%.
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Latest news about IMTB & WCPB
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