IBDYvsIBDUETF Comparison
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iShares iBonds Dec 2033 Term Corporate ETF (IBDY) and iShares iBonds Dec 2029 Term Corporate ETF (IBDU) belong to the same industry segment: US Corporate IG Bonds. IBDY's top 3 sector exposures are Finance, Utilities and Technology. In contrast, IBDU's top sector exposures are Finance, Technology and Utilities. Both IBDY and IBDU have the same Total Expense Ratio (TER) of 0.1%. IBDY is down -1.95% year-to-date (YTD) with +$277M in YTD flows. IBDU performs better with 0.64% YTD performance, and +$694M in YTD flows. Run a side-by-side ETF comparison of IBDY 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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IBDY vs IBDU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBDY IBDU | -0.21%+0.30% | -2.09%-0.33% | -1.95%+0.64% | -1.76%+1.18% | +20.73%+20.55% | n/a+5.95% |
| Flows | IBDY IBDU | +$9M+$53M | +$112M+$37M | +$277M+$694M | +$339M+$1.08B | +$1.14B+$3.30B | -+$3.92B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBDY IBDU | +4.29%+1.95% | +3.98%+2.01% | +5.49%+3.49% | n/a+5.25% |
| Max drawdown | IBDY IBDU | -3.36%-1.46% | -4.70%-1.54% | -4.95%-2.48% | n/a-18.17% |
| Max drawdown duration | IBDY IBDU | 52d52d | 229d155d | 260d154d | n/a1267d |
Trading data
IBDY | IBDU | |
Last sale 10/19/2026 at 1:30 PM | $24.61 | $22.71 |
| Previous close 10/16/2026 | $24.69 | $22.74 |
| Consolidated volume 10/16/2026 | ||
| 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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IBDY | 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 10/19/2026 at 1:30 PM
Live
Closed
IBDY | IBDU | |
|---|---|---|
| Last price | $24.61 | $22.71 |
| 1D performance | -0.32% | -0.13% |
| AuM | $1.17 B | $3.99 B |
| E/R | 0.1% | 0.1% |
Characteristics
IBDY | IBDU | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Bloomberg December 2033 Maturity Corporate Index | Bloomberg December 2029 Maturity Corporate Index |
| N° of holdings | 400 | 679 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | June 23, 2023 | September 17, 2019 |
| ESG | No | No |
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Exposure
Countries
IBDY
USA
86.54%
Other
13.46%
IBDU
USA
86.15%
Other
13.85%
Sectors
IBDY
Finance
21.56%
Utilities
11.85%
Technology
11.05%
Healthcare
9.17%
Energy
8.86%
Telecommunication.
8.3%
Other
29.21%
IBDU
Finance
29.37%
Technology
11.74%
Utilities
8.99%
Healthcare
8.79%
Industrials
7.22%
Other
33.89%
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Diversification
IBDY
Total weight of top 15 holdings out of 15
13.78%
IBDU
Total weight of top 15 holdings out of 15
8.95%
Top 15 holdings
Data as of August 31, 2026
IBDY
Space Exploration Technologies, 5.65% 15jul2033, USD
1.52%
Pfizer, 4.75% 19may2033, USD
1.39%
Amgen, 5.25% 2mar2033, USD
1.25%
Amazon.com, 4.55% 13mar2033, USD
1.17%
NVIDIA, 4.75% 15jun2033, USD
0.94%
AT&T Inc, 2.55% 1dec2033, USD
0.90%
Alphabet, 4.4% 15feb2033, USD
0.87%
Oracle, 5.35% 4may2033, USD
0.81%
Salesforce, 5.2% 15mar2033, USD
0.79%
Abbott Laboratories, 4.3% 15mar2033, USD
0.76%
T-Mobile USA, 5.05% 15jul2033, USD
0.75%
Amazon.com, 5.1% 9jul2033, USD
0.69%
Enbridge, 5.7% 8mar2033, USD
0.68%
BP Capital Markets America, 4.812% 13feb2033, USD
0.63%
Philip Morris International, 5.375% 15feb2033, USD
0.63%
IBDU
AbbVie, 3.2% 21nov2029, USD
0.97%
Salesforce, 4.65% 15mar2029, USD
0.77%
Verizon Communications, 4.016% 3dec2029, USD
0.64%
Amazon.com, 4% 13mar2029, USD
0.60%
AT&T Inc, 4.35% 1mar2029, USD
0.60%
IBM, 3.5% 15may2029, USD
0.60%
NVIDIA, 4.35% 15jun2029, USD
0.59%
Fiserv, 3.5% 1jul2029, USD
0.58%
Anheuser-Busch InBev, 4.75% 23jan2029, USD
0.57%
Oracle, 4.55% 4feb2029, USD
0.57%
Amazon.com, 4.6% 9jul2029, USD
0.51%
Sumitomo Mitsui FG, 3.04% 16jul2029, USD
0.50%
Cisco Systems, 4.85% 26feb2029, USD
0.50%
AbbVie, 4.8% 15mar2029, USD
0.49%
Wells Fargo, 4.15% 24jan2029, USD (Q)
0.48%
Frequently asked questions about IBDY and IBDU
How have the IBDY and IBDU ETFs performed in 2026?
As of October 16, 2026, IBDY is down -1.95% year-to-date (YTD), while IBDU has returned 0.64%. That puts IBDU better performer ahead so far this year.
Which ETF is attracting more investor money: IBDY or IBDU?
Year-to-date, the IBDY ETF saw +$277M in flows, compared to +$694M for IBDU.
Which ETF is more volatile: IBDY or IBDU?
Over the past year, IBDY had a volatility of 3.98%, while IBDU experienced 2.01%.
Which ETF is bigger: IBDY or IBDU?
As of October 16, 2026, IBDY holds $1.17 B in assets under management (AUM), while IBDU manages $3.99 B.
What sectors do the IBDY and IBDU ETFs invest in?
IBDY leans toward sectors like Finance, Utilities and Technology. Meanwhile, IBDU focuses on Finance, Technology and Utilities.
What are the top holdings of the IBDY ETF and IBDU ETF?
IBDY top holdings include Space Exploration Technologies, 5.65% 15jul2033, USD, Pfizer, 4.75% 19may2033, USD and Amgen, 5.25% 2mar2033, 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: IBDY or IBDU?
IBDY holds 407 securities with 13.78% of its assets in the top 15. IBDU has 698 securities and a top 15 weight of 8.95%.
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