IBGBvsIBGCETF Comparison
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iShares iBonds Dec 2045 Term Treasury ETF (IBGB) and iShares iBonds Dec 2046 Term Treasury ETF (IBGC) 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 IBGC have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBGB and IBGC 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 IBGC 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 IBGC | +0.05%+0.05% | -2.32%-2.48% | -2.55%n/a | +0.66%n/a | n/an/a | n/an/a |
| Flows | IBGB IBGC | -+$20M | +$1M+$27M | +$2M- | +$5M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGB IBGC | +8.34%+8.75% | +8.12%n/a | n/an/a | n/an/a |
| Max drawdown | IBGB IBGC | -4.81%-5.17% | -6.80%n/a | n/an/a | n/an/a |
| Max drawdown duration | IBGB IBGC | 64d64d | 184dn/a | n/an/a | n/an/a |
Trading data
IBGB | IBGC | |
Last sale 9/2/2026 at 1:30 PM | $23.33 | $23.92 |
| Previous close 09/01/2026 | $23.30 | $23.89 |
| 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 | IBGC | |
|---|---|---|
| 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 | IBGC | |
|---|---|---|
| Last price | $23.33 | $23.92 |
| 1D performance | +0.11% | +0.11% |
| AuM | $9.32 M | $29.86 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBGB
USA
100%
IBGC
USA
100%
Other
-0%
Sectors
IBGB
Sovereign
99.99%
Other
0.01%
IBGC
Sovereign
99.99%
Other
0.01%
Diversification
IBGB
Total weight of top 9 holdings out of 9
100%
IBGC
Total weight of top 7 holdings out of 7
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%
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%
Frequently asked questions about IBGB and IBGC
Which ETF is bigger: IBGB or IBGC?
As of September 1, 2026, IBGB holds $9.32 M in assets under management (AUM), while IBGC manages $29.86 M.
What sectors do the IBGB and IBGC ETFs invest in?
IBGB leans toward sectors like Sovereign. Meanwhile, IBGC focuses on Sovereign.
What are the top holdings of the IBGB ETF and IBGC ETF?
IBGB top holdings include USA, Bonds 5% 15may2045, USD, USA, Bonds 4.875% 15aug2045, USD and USA, Bonds 4.75% 15feb2045, USD. IBGC holds in its top three: USA, Bonds 4.625% 15feb2046, USD, USA, Bonds 5% 15may2046, USD and USA, Bonds 2.25% 15aug2046, USD.
Which ETF is more diversified: IBGB or IBGC?
IBGB has 9 securities and IBGC has 7 securities.
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