IBDWvsIBDUETF Comparison
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iShares iBonds Dec 2031 Term Corporate ETF (IBDW) and iShares iBonds Dec 2029 Term Corporate ETF (IBDU) belong to the same industry segment: US Corporate IG Bonds. Both ETFs have the same top 3 sector exposures: Finance, Technology and Utilities. Both IBDW and IBDU have the same Total Expense Ratio (TER) of 0.1%. IBDW is down -0.22% year-to-date (YTD) with +$536M in YTD flows. IBDU performs better with 0.97% YTD performance, and +$602M in YTD flows. Run a side-by-side ETF comparison of IBDW and IBDU 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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IBDW vs IBDU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBDW IBDU | -0.27%+0.02% | -0.51%+0.28% | -0.22%+0.97% | +1.82%+2.74% | +19.33%+18.82% | +0.13%+4.82% |
| Flows | IBDW IBDU | +$44M-$103M | +$222M+$180M | +$536M+$602M | +$863M+$1.13B | +$2.14B+$3.27B | +$2.58B+$3.84B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBDW IBDU | +3.19%+1.96% | +3.12%+1.96% | +4.95%+3.61% | +6.70%+5.27% |
| Max drawdown | IBDW IBDU | -1.11%-0.50% | -2.40%-1.54% | -4.92%-3.08% | -23.45%-18.89% |
| Max drawdown duration | IBDW IBDU | 64d28d | 184d155d | 73d70d | 1562d1378d |
Trading data
IBDW | IBDU | |
Last sale 9/2/2026 at 1:30 PM | $20.45 | $22.92 |
| Previous close 09/01/2026 | $20.42 | $22.90 |
| 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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IBDW | IBDU | |
|---|---|---|
| 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
IBDW | IBDU | |
|---|---|---|
| Last price | $20.45 | $22.92 |
| 1D performance | +0.15% | +0.09% |
| AuM | $2.56 B | $3.93 B |
| E/R | 0.1% | 0.1% |
Characteristics
IBDW | IBDU | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Bloomberg December 2031 Maturity Corporate Index | Bloomberg December 2029 Maturity Corporate Index |
| N° of holdings | 614 | 676 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 24, 2021 | September 17, 2019 |
| ESG | No | No |
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Exposure
Countries
IBDW
USA
90.02%
Other
9.98%
IBDU
USA
88.2%
Other
11.8%
Sectors
IBDW
Finance
27.44%
Technology
13.47%
Utilities
9.63%
Healthcare
8.5%
Industrials
7.33%
Other
33.64%
IBDU
Finance
29.96%
Technology
11.91%
Utilities
9.23%
Healthcare
9.03%
Industrials
7.39%
Other
32.48%
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Diversification
IBDW
Total weight of top 15 holdings out of 15
10.39%
IBDU
Total weight of top 15 holdings out of 15
8.91%
Top 15 holdings
Data as of July 31, 2026
IBDW
Space Exploration Technologies, 5.35% 15jul2031, USD
1.00%
NVIDIA, 4.5% 15jun2031, USD
0.98%
Amazon.com, 4.25% 13mar2031, USD
0.80%
Salesforce, 4.9% 15sep2031, USD
0.76%
Oracle, 4.95% 4feb2031, USD
0.74%
Verizon Communications, 2.55% 21mar2031, USD
0.72%
Amazon.com, 4.8% 9jul2031, USD
0.70%
Meta Platforms, 4.55% 15may2031, USD
0.63%
Amazon.com, 2.1% 12may2031, USD
0.62%
Oracle, 2.875% 25mar2031, USD
0.61%
Orange, 8.5% 1mar2031, USD
0.60%
AT&T Inc, 2.75% 1jun2031, USD
0.59%
Abbott Laboratories, 4% 15mar2031, USD
0.56%
Cisco Systems, 4.95% 26feb2031, USD
0.55%
Broadcom Inc, 2.45% 15feb2031, USD
0.54%
IBDU
AbbVie, 3.2% 21nov2029, USD
0.98%
Salesforce, 4.65% 15mar2029, USD
0.74%
Verizon Communications, 4.016% 3dec2029, USD
0.63%
IBM, 3.5% 15may2029, USD
0.62%
Oracle, 4.55% 4feb2029, USD
0.60%
AT&T Inc, 4.35% 1mar2029, USD
0.59%
Amazon.com, 4% 13mar2029, USD
0.59%
Fiserv, 3.5% 1jul2029, USD
0.57%
NVIDIA, 4.35% 15jun2029, USD
0.56%
Anheuser-Busch InBev, 4.75% 23jan2029, USD
0.56%
AbbVie, 4.8% 15mar2029, USD
0.51%
Cisco Systems, 4.85% 26feb2029, USD
0.50%
Amazon.com, 4.6% 9jul2029, USD
0.49%
Sumitomo Mitsui FG, 3.04% 16jul2029, USD
0.49%
Wells Fargo, 4.15% 24jan2029, USD (Q)
0.48%
Frequently asked questions about IBDW and IBDU
How have the IBDW and IBDU ETFs performed in 2026?
As of September 1, 2026, IBDW is down -0.22% year-to-date (YTD), while IBDU has returned 0.97%. That puts IBDU better performer ahead so far this year.
Which ETF is attracting more investor money: IBDW or IBDU?
Year-to-date, the IBDW ETF saw +$536M in flows, compared to +$602M for IBDU.
Which ETF is more volatile: IBDW or IBDU?
Over the past year, IBDW had a volatility of 3.12%, while IBDU experienced 1.96%.
Which ETF is bigger: IBDW or IBDU?
As of September 1, 2026, IBDW holds $2.56 B in assets under management (AUM), while IBDU manages $3.93 B.
What sectors do the IBDW and IBDU ETFs invest in?
IBDW leans toward sectors like Finance, Technology and Utilities. Meanwhile, IBDU focuses on Finance, Technology and Utilities.
What are the top holdings of the IBDW ETF and IBDU ETF?
IBDW top holdings include Space Exploration Technologies, 5.35% 15jul2031, USD, NVIDIA, 4.5% 15jun2031, USD and Amazon.com, 4.25% 13mar2031, USD. IBDU holds in its top three: AbbVie, 3.2% 21nov2029, USD, Salesforce, 4.65% 15mar2029, USD and Verizon Communications, 4.016% 3dec2029, USD.
Which ETF is more diversified: IBDW or IBDU?
IBDW holds 616 securities with 10.39% of its assets in the top 15. IBDU has 678 securities and a top 15 weight of 8.91%.
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