IBTRvsIBGBETF Comparison
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iShares iBonds Dec 2036 Term Treasury ETF (IBTR) and iShares iBonds Dec 2045 Term Treasury ETF (IBGB) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. Both IBTR and IBGB have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBTR and IBGB 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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IBTR vs IBGB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/08/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTR IBGB | -0.25%+0.54% | -0.53%-1.03% | n/a-2.23% | n/a-2.67% | n/an/a | n/an/a |
| Flows | IBTR IBGB | +$2M- | +$11M- | -+$2M | -+$5M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTR IBGB | +5.08%+8.27% | n/a+7.89% | n/an/a | n/an/a |
| Max drawdown | IBTR IBGB | -2.40%-4.81% | n/a-6.80% | n/an/a | n/an/a |
| Max drawdown duration | IBTR IBGB | 71d71d | n/a191d | n/an/a | n/an/a |
Trading data
IBTR | IBGB | |
Last sale 9/8/2026 at 1:30 PM | $24.23 | $23.38 |
| Previous close 09/08/2026 | $24.26 | $23.40 |
| Consolidated volume 09/08/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 9, 2026
1-year trailing difference
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IBTR | IBGB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/8/2026 at 1:30 PM
Live
Closed
IBTR | IBGB | |
|---|---|---|
| Last price | $24.23 | $23.38 |
| 1D performance | -0.12% | -0.07% |
| AuM | $19.38 M | $9.35 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBTR
USA
100%
IBGB
USA
100%
Sectors
IBTR
Sovereign
99.99%
Other
0.01%
IBGB
Sovereign
99.99%
Other
0.01%
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Diversification
IBTR
Total weight of top 4 holdings out of 4
100%
IBGB
Total weight of top 9 holdings out of 9
100%
Top 15 holdings
Data as of July 31, 2026
IBTR
USA, Notes 4.125% 15feb2036, USD (B-2036)
57.03%
USA, Notes 4.375% 15may2036, USD (C-2036)
38.83%
USA, Bonds 4.5% 15feb2036, USD
4.12%
BlackRock Cash Funds - Treasury
0.01%
IBGB
USA, Bonds 5% 15may2045, USD
18.85%
USA, Bonds 4.875% 15aug2045, USD
18.76%
USA, Bonds 4.75% 15feb2045, USD
18.48%
USA, Bonds 4.625% 15nov2045, USD
17.93%
USA, Bonds 2.5% 15feb2045, USD
10.20%
USA, Bonds 2.875% 15aug2045, USD
6.54%
USA, Bonds 3% 15may2045, USD
5.02%
USA, Bonds 3% 15nov2045, USD
4.20%
BlackRock Cash Funds - Treasury
0.01%
Frequently asked questions about IBTR and IBGB
Which ETF is bigger: IBTR or IBGB?
As of September 8, 2026, IBTR holds $19.38 M in assets under management (AUM), while IBGB manages $9.35 M.
What sectors do the IBTR and IBGB ETFs invest in?
IBTR leans toward sectors like Sovereign. Meanwhile, IBGB focuses on Sovereign.
What are the top holdings of the IBTR ETF and IBGB ETF?
IBTR top holdings include USA, Notes 4.125% 15feb2036, USD (B-2036), USA, Notes 4.375% 15may2036, USD (C-2036) and USA, Bonds 4.5% 15feb2036, USD. IBGB holds in its top three: USA, Bonds 5% 15may2045, USD, USA, Bonds 4.875% 15aug2045, USD and USA, Bonds 4.75% 15feb2045, USD.
Which ETF is more diversified: IBTR or IBGB?
IBTR has 4 securities and IBGB has 9 securities.
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