AGZvsIBTOETF Comparison
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iShares Agency Bond ETF (AGZ) belongs to the MBS & ABS segment. iShares iBonds Dec 2033 Term Treasury ETF (IBTO) is part of the US Government Bonds segment. AGZ's top 3 sector exposures are Government Agencies, Utilities and Sovereign. In contrast, IBTO's top sector exposures are Sovereign and Non-Corporate. AGZ is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.07% for IBTO. AGZ is down -0.32% year-to-date (YTD) with +$92M in YTD flows. IBTO performs worse with -2.49% YTD performance, and +$96M in YTD flows. Run a side-by-side ETF comparison of AGZ and IBTO 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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AGZ vs IBTO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | AGZ IBTO | +0.17%+0.21% | -0.83%-2.09% | -0.32%-2.49% | -0.01%-2.92% | +12.86%+12.56% | +5.35%n/a |
| Flows | AGZ IBTO | +$16M+$44M | +$103M+$41M | +$92M+$96M | +$86M+$122M | +$4M+$460M | -$60M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | AGZ IBTO | +2.38%+4.46% | +2.19%+4.31% | +2.62%+6.13% | +3.27%n/a |
| Max drawdown | AGZ IBTO | -1.88%-3.59% | -2.29%-5.78% | -2.29%-6.89% | -10.04%n/a |
| Max drawdown duration | AGZ IBTO | 52d52d | 229d229d | 229d318d | 1031dn/a |
Trading data
AGZ | IBTO | |
Last sale 10/16/2026 at 1:30 PM | $106.93 | $23.20 |
| Previous close 10/15/2026 | $106.78 | $23.19 |
| Consolidated volume 10/15/2026 | ||
| 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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AGZ | IBTO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
AGZ | IBTO | |
|---|---|---|
| Last price | $106.93 | $23.20 |
| 1D performance | +0.14% | +0.05% |
| AuM | $645.73 M | $502.34 M |
| E/R | 0.15% | 0.07% |
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Exposure
Countries
AGZ
USA
99.3%
Other
0.7%
IBTO
USA
100.17%
Other
-0.17%
Sectors
AGZ
Government Agenci.
83.36%
Utilities
11.15%
Other
5.48%
IBTO
Sovereign
99.5%
Other
0.5%
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Diversification
AGZ
Total weight of top 15 holdings out of 15
57.52%
IBTO
Total weight of top 12 holdings out of 12
100.17%
Top 15 holdings
Data as of August 31, 2026
AGZ
Fannie Mae, 0.75% 8oct2027, USD
11.67%
FHLB, 3.5% 4oct2027, USD (8384)
5.00%
Fannie Mae, 6.625% 15nov2030, USD
4.93%
FHLB, 4.375% 8jun2029, USD (SB-2029)
4.72%
Federal Farm Credit Banks, 3.625% 27aug2027, USD
4.09%
Fannie Mae, 7.125% 15jan2030, USD
4.04%
Fannie Mae, 6.25% 15may2029, USD
3.11%
FHLB, 3.5% 3mar2028, USD (8839)
3.10%
Freddie Mac, 6.25% 15jul2032, USD
3.08%
USA, Notes 4.125% 15jun2029, USD (AP-2029)
2.85%
FHLB, 4.625% 13jun2031, USD (UZ-2031)
2.67%
Freddie Mac, 6.75% 15mar2031, USD
2.59%
Fannie Mae, 0.875% 5aug2030, USD
1.93%
Fannie Mae, 7.25% 15may2030, USD
1.88%
TVA, 7.125% 1may2030, USD
1.85%
IBTO
USA, Notes 4.5% 15nov2033, USD (F-2033)
16.48%
USA, Notes 3.875% 15aug2033, USD (E-2033)
15.24%
USA, Notes 3.375% 15may2033, USD (C-2033)
13.71%
USA, Notes 3.5% 15feb2033, USD (B-2033)
13.40%
USA, Notes 4.25% 30jun2033, USD (M-2033)
6.51%
USA, Notes 4.25% 31may2033, USD (L-2033)
6.38%
USA, Notes 4.25% 31mar2033, USD (J-2033)
6.34%
USA, Notes 3.75% 28feb2033, USD (H-2033)
6.03%
USA, Notes 4% 31jan2033, USD (G-2033)
5.77%
USA, Notes 4.125% 30apr2033, USD (K-2033)
5.47%
USA, Notes 4.375% 31jul2033, USD (N-2033)
4.17%
BlackRock Cash Funds - Treasury
0.67%
Frequently asked questions about AGZ and IBTO
How have the AGZ and IBTO ETFs performed in 2026?
As of October 16, 2026, AGZ is down -0.32% year-to-date (YTD), while IBTO has lost -2.49%. That puts AGZ better performer ahead so far this year.
Which ETF is attracting more investor money: AGZ or IBTO?
Year-to-date, the AGZ ETF saw +$92M in flows, compared to +$96M for IBTO.
Which ETF is more volatile: AGZ or IBTO?
Over the past year, AGZ had a volatility of 2.19%, while IBTO experienced 4.31%.
Which ETF is bigger: AGZ or IBTO?
As of October 16, 2026, AGZ holds $645.73 M in assets under management (AUM), while IBTO manages $502.34 M.
What sectors do the AGZ and IBTO ETFs invest in?
AGZ leans toward sectors like Government Agencies and Utilities. Meanwhile, IBTO focuses on Sovereign.
What are the top holdings of the AGZ ETF and IBTO ETF?
AGZ top holdings include Fannie Mae, 0.75% 8oct2027, USD, FHLB, 3.5% 4oct2027, USD (8384) and Fannie Mae, 6.625% 15nov2030, USD. IBTO holds in its top three: USA, Notes 4.5% 15nov2033, USD (F-2033), USA, Notes 3.875% 15aug2033, USD (E-2033) and USA, Notes 3.375% 15may2033, USD (C-2033).
Which ETF is more diversified: AGZ or IBTO?
AGZ holds 110 securities with 57.52% of its assets in the top 15. IBTO has 12 securities.
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