IBGCvsIBGBETF Comparison
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iShares iBonds Dec 2046 Term Treasury ETF (IBGC) 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 IBGC and IBGB have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBGC 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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IBGC vs IBGB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/02/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBGC IBGB | +0.15%+0.15% | -2.56%-2.40% | n/a-2.46% | n/a+0.76% | n/an/a | n/an/a |
| Flows | IBGC IBGB | +$20M- | +$27M- | -+$2M | -+$5M | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGC IBGB | +8.74%+8.34% | n/a+8.10% | n/an/a | n/an/a |
| Max drawdown | IBGC IBGB | -5.17%-4.81% | n/a-6.80% | n/an/a | n/an/a |
| Max drawdown duration | IBGC IBGB | 65d65d | n/a185d | n/an/a | n/an/a |
Trading data
IBGC | IBGB | |
Last sale 9/3/2026 at 2:07 PM | $24.01 | $23.30 |
| Previous close 09/02/2026 | $23.92 | $23.30 |
| Consolidated volume 09/02/2026 | ||
| 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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IBGC | 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 9/3/2026 at 2:07 PM
Live
Closed
IBGC | IBGB | |
|---|---|---|
| Last price | $24.01 | $23.30 |
| 1D performance | +0.39% | -0.00% |
| AuM | $29.89 M | $9.33 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBGC
USA
100%
Other
-0%
IBGB
USA
100%
Sectors
IBGC
Sovereign
99.99%
Other
0.01%
IBGB
Sovereign
99.99%
Other
0.01%
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Diversification
IBGC
Total weight of top 7 holdings out of 7
100%
IBGB
Total weight of top 9 holdings out of 9
100%
Top 15 holdings
Data as of July 31, 2026
IBGC
USA, Bonds 4.625% 15feb2046, USD
30.78%
USA, Bonds 5% 15may2046, USD
22.03%
USA, Bonds 2.25% 15aug2046, USD
15.69%
USA, Bonds 2.5% 15feb2046, USD
12.45%
USA, Bonds 2.5% 15may2046, USD
12.44%
USA, Bonds 2.875% 15nov2046, USD
6.60%
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 IBGC and IBGB
Which ETF is bigger: IBGC or IBGB?
As of September 2, 2026, IBGC holds $29.89 M in assets under management (AUM), while IBGB manages $9.33 M.
What sectors do the IBGC and IBGB ETFs invest in?
IBGC leans toward sectors like Sovereign. Meanwhile, IBGB focuses on Sovereign.
What are the top holdings of the IBGC ETF and IBGB ETF?
IBGC top holdings include USA, Bonds 4.625% 15feb2046, USD, USA, Bonds 5% 15may2046, USD and USA, Bonds 2.25% 15aug2046, 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: IBGC or IBGB?
IBGC has 7 securities and IBGB has 9 securities.
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