IBGBvsIBTRETF Comparison
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iShares iBonds Dec 2045 Term Treasury ETF (IBGB) and iShares iBonds Dec 2036 Term Treasury ETF (IBTR) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. Both IBGB and IBTR have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBGB and IBTR 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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IBGB vs IBTR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/01/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBGB IBTR | +0.05%-0.41% | -2.32%-1.35% | -2.55%n/a | +0.66%n/a | n/an/a | n/an/a |
| Flows | IBGB IBTR | -+$2M | +$1M+$14M | +$2M- | +$5M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGB IBTR | +8.34%+5.18% | +8.12%n/a | n/an/a | n/an/a |
| Max drawdown | IBGB IBTR | -4.81%-2.40% | -6.80%n/a | n/an/a | n/an/a |
| Max drawdown duration | IBGB IBTR | 64d64d | 184dn/a | n/an/a | n/an/a |
Trading data
IBGB | IBTR | |
Last sale 9/2/2026 at 1:30 PM | $23.33 | $24.23 |
| Previous close 09/01/2026 | $23.30 | $24.21 |
| 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 September 3, 2026
1-year trailing difference
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IBGB | IBTR | |
|---|---|---|
| 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
IBGB | IBTR | |
|---|---|---|
| Last price | $23.33 | $24.23 |
| 1D performance | +0.11% | +0.07% |
| AuM | $9.32 M | $19.36 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBGB
USA
100%
IBTR
USA
100%
Sectors
IBGB
Sovereign
99.99%
Other
0.01%
IBTR
Sovereign
99.99%
Other
0.01%
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Diversification
IBGB
Total weight of top 9 holdings out of 9
100%
IBTR
Total weight of top 4 holdings out of 4
100%
Top 15 holdings
Data as of July 31, 2026
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%
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%
Frequently asked questions about IBGB and IBTR
Which ETF is bigger: IBGB or IBTR?
As of September 1, 2026, IBGB holds $9.32 M in assets under management (AUM), while IBTR manages $19.36 M.
What sectors do the IBGB and IBTR ETFs invest in?
IBGB leans toward sectors like Sovereign. Meanwhile, IBTR focuses on Sovereign.
What are the top holdings of the IBGB ETF and IBTR ETF?
IBGB top holdings include USA, Bonds 5% 15may2045, USD, USA, Bonds 4.875% 15aug2045, USD and USA, Bonds 4.75% 15feb2045, USD. IBTR holds in its top three: USA, Notes 4.125% 15feb2036, USD (B-2036), USA, Notes 4.375% 15may2036, USD (C-2036) and USA, Bonds 4.5% 15feb2036, USD.
Which ETF is more diversified: IBGB or IBTR?
IBGB has 9 securities and IBTR has 4 securities.
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