IBDZvsIBDYETF Comparison
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iShares iBonds Dec 2034 Term Corporate ETF (IBDZ) and iShares iBonds Dec 2033 Term Corporate ETF (IBDY) belong to the same industry segment: US Corporate IG Bonds. IBDZ's top 3 sector exposures are Finance, Utilities and Energy. In contrast, IBDY's top sector exposures are Finance, Utilities and Technology. Both IBDZ and IBDY have the same Total Expense Ratio (TER) of 0.1%. IBDZ is down -2.17% year-to-date (YTD) with +$306M in YTD flows. IBDY performs better with -1.95% YTD performance, and +$277M in YTD flows. Run a side-by-side ETF comparison of IBDZ and IBDY 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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IBDZ vs IBDY performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBDZ IBDY | -0.34%-0.21% | -2.38%-2.09% | -2.17%-1.95% | -2.07%-1.76% | n/a+20.73% | n/an/a |
| Flows | IBDZ IBDY | +$34M+$9M | +$32M+$112M | +$306M+$277M | +$444M+$339M | -+$1.14B | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBDZ IBDY | +4.75%+4.29% | +4.37%+3.98% | n/a+5.49% | n/an/a |
| Max drawdown | IBDZ IBDY | -3.78%-3.36% | -5.08%-4.70% | n/a-4.95% | n/an/a |
| Max drawdown duration | IBDZ IBDY | 89d52d | 229d229d | n/a260d | n/an/a |
Trading data
IBDZ | IBDY | |
Last sale 10/19/2026 at 6:45 PM | $24.77 | $24.61 |
| Previous close 10/16/2026 | $24.86 | $24.69 |
| 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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IBDZ | IBDY | |
|---|---|---|
| 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 6:45 PM
Live
Closed
IBDZ | IBDY | |
|---|---|---|
| Last price | $24.77 | $24.61 |
| 1D performance | -0.34% | -0.32% |
| AuM | $875.96 M | $1.17 B |
| E/R | 0.1% | 0.1% |
Characteristics
IBDZ | IBDY | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Bloomberg December 2034 Maturity Corporate Index | Bloomberg December 2033 Maturity Corporate Index |
| N° of holdings | 375 | 400 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2024 | June 23, 2023 |
| ESG | No | No |
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Exposure
Countries
IBDZ
USA
88.85%
Other
11.15%
IBDY
USA
86.54%
Other
13.46%
Sectors
IBDZ
Finance
24.91%
Utilities
13.19%
Energy
11.1%
Technology
10.33%
Healthcare
8.64%
Consumer Non-Cycl.
7.02%
Other
24.83%
IBDY
Finance
21.56%
Utilities
11.85%
Technology
11.05%
Healthcare
9.17%
Energy
8.86%
Telecommunication.
8.3%
Other
29.21%
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Diversification
IBDZ
Total weight of top 15 holdings out of 15
11.42%
IBDY
Total weight of top 15 holdings out of 15
13.78%
Top 15 holdings
Data as of August 31, 2026
IBDZ
AbbVie, 5.05% 15mar2034, USD
1.02%
Broadcom Inc, 3.469% 15apr2034, USD
0.92%
AT&T Inc, 5.4% 15feb2034, USD
0.90%
Boeing, 6.528% 1may2034, USD
0.88%
Cisco Systems, 5.05% 26feb2034, USD
0.84%
Bristol Myers Squibb, 5.2% 22feb2034, USD
0.82%
Meta Platforms, 4.75% 15aug2034, USD
0.81%
Kroger, 5% 15sep2034, USD
0.76%
Citibank N.A., 5.57% 30apr2034, USD
0.70%
BP Capital Markets America, 5.227% 17nov2034, USD
0.67%
Hewlett Packard Enterprise, 5% 15oct2034, USD
0.65%
UnitedHealth Group, 5.15% 15jul2034, USD
0.65%
Aon North America, 5.45% 1mar2034, USD
0.61%
Verizon Communications, 4.4% 1nov2034, USD
0.61%
Broadcom Inc, 4.8% 15oct2034, USD
0.60%
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%
Frequently asked questions about IBDZ and IBDY
How have the IBDZ and IBDY ETFs performed in 2026?
As of October 16, 2026, IBDZ is down -2.17% year-to-date (YTD), while IBDY has lost -1.95%. That puts IBDY better performer ahead so far this year.
Which ETF is attracting more investor money: IBDZ or IBDY?
Year-to-date, the IBDZ ETF saw +$306M in flows, compared to +$277M for IBDY.
Which ETF is more volatile: IBDZ or IBDY?
Over the past year, IBDZ had a volatility of 4.37%, while IBDY experienced 3.98%.
Which ETF is bigger: IBDZ or IBDY?
As of October 16, 2026, IBDZ holds $875.96 M in assets under management (AUM), while IBDY manages $1.17 B.
What sectors do the IBDZ and IBDY ETFs invest in?
IBDZ leans toward sectors like Finance, Utilities and Energy. Meanwhile, IBDY focuses on Finance, Utilities and Technology.
What are the top holdings of the IBDZ ETF and IBDY ETF?
IBDZ top holdings include AbbVie, 5.05% 15mar2034, USD, Broadcom Inc, 3.469% 15apr2034, USD and AT&T Inc, 5.4% 15feb2034, USD. IBDY holds in its top three: Space Exploration Technologies, 5.65% 15jul2033, USD, Pfizer, 4.75% 19may2033, USD and Amgen, 5.25% 2mar2033, USD.
Which ETF is more diversified: IBDZ or IBDY?
IBDZ holds 379 securities with 11.42% of its assets in the top 15. IBDY has 407 securities and a top 15 weight of 13.78%.
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