IBGCvsIBGMETF Comparison
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iShares iBonds Dec 2046 Term Treasury ETF (IBGC) and iShares iBonds Dec 2056 Term Treasury ETF (IBGM) 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 IBGM have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBGC and IBGM 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 IBGM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBGC IBGM | -0.62%-0.69% | -3.62%-3.80% | n/an/a | n/an/a | n/an/a | n/an/a |
| Flows | IBGC IBGM | +$13M- | +$49M+$39M | -- | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGC IBGM | +9.32%+10.04% | n/an/a | n/an/a | n/an/a |
| Max drawdown | IBGC IBGM | -6.81%-7.50% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | IBGC IBGM | 89d89d | n/an/a | n/an/a | n/an/a |
Trading data
IBGC | IBGM | |
Last sale 10/16/2026 at 1:30 PM | $23.34 | $23.12 |
| Previous close 10/15/2026 | $23.33 | $23.12 |
| 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 October 19, 2026
1-year trailing difference
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IBGC | IBGM | |
|---|---|---|
| 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
IBGC | IBGM | |
|---|---|---|
| Last price | $23.34 | $23.12 |
| 1D performance | +0.04% | +0.00% |
| AuM | $57.17 M | $41.61 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBGC
USA
91.29%
Other
8.71%
IBGM
USA
85.38%
Other
14.62%
Sectors
IBGC
Sovereign
90.05%
Other
9.95%
IBGM
Sovereign
84.14%
Other
15.86%
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Diversification
IBGC
Total weight of top 8 holdings out of 8
100.85%
IBGM
Total weight of top 4 holdings out of 4
100.85%
Top 15 holdings
Data as of August 31, 2026
IBGC
USA, Bonds 5% 15may2046, USD
26.44%
USA, Bonds 4.625% 15feb2046, USD
24.88%
USA, Bonds 2.25% 15aug2046, USD
12.86%
USA, Bonds 2.5% 15may2046, USD
10.27%
USA, Bonds 2.5% 15feb2046, USD
10.15%
US912810UX45
9.56%
USA, Bonds 2.875% 15nov2046, USD
5.46%
BlackRock Cash Funds - Treasury
1.24%
IBGM
USA, Bonds 5% 15may2056, USD
43.16%
USA, Bonds 4.75% 15feb2056, USD
40.98%
US912810UW61
15.48%
BlackRock Cash Funds - Treasury
1.24%
Frequently asked questions about IBGC and IBGM
Which ETF is bigger: IBGC or IBGM?
As of October 16, 2026, IBGC holds $57.17 M in assets under management (AUM), while IBGM manages $41.61 M.
What sectors do the IBGC and IBGM ETFs invest in?
IBGC leans toward sectors like Sovereign. Meanwhile, IBGM focuses on Sovereign.
What are the top holdings of the IBGC ETF and IBGM ETF?
IBGC top holdings include USA, Bonds 5% 15may2046, USD, USA, Bonds 4.625% 15feb2046, USD and USA, Bonds 2.25% 15aug2046, USD. IBGM holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15feb2056, USD and US912810UW61.
Which ETF is more diversified: IBGC or IBGM?
IBGC has 8 securities and IBGM has 4 securities.
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