IBGBvsIBGMETF Comparison
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iShares iBonds Dec 2045 Term Treasury ETF (IBGB) 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 IBGB and IBGM have the same Total Expense Ratio (TER) of 0.07%. Run a side-by-side ETF comparison of IBGB 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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IBGB vs IBGM 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 IBGM | +0.05%-0.11% | -2.32%-3.06% | -2.55%n/a | +0.66%n/a | n/an/a | n/an/a |
| Flows | IBGB IBGM | -+$37M | +$1M+$37M | +$2M- | +$5M- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGB IBGM | +8.34%+9.28% | +8.12%n/a | n/an/a | n/an/a |
| Max drawdown | IBGB IBGM | -4.81%-6.07% | -6.80%n/a | n/an/a | n/an/a |
| Max drawdown duration | IBGB IBGM | 64d64d | 184dn/a | n/an/a | n/an/a |
Trading data
IBGB | IBGM | |
Last sale 9/2/2026 at 1:30 PM | $23.33 | $23.68 |
| Previous close 09/01/2026 | $23.30 | $23.64 |
| 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 | 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 9/2/2026 at 1:30 PM
Live
Closed
IBGB | IBGM | |
|---|---|---|
| Last price | $23.33 | $23.68 |
| 1D performance | +0.11% | +0.17% |
| AuM | $9.32 M | $40.20 M |
| E/R | 0.07% | 0.07% |
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Exposure
Countries
IBGB
USA
100%
IBGM
USA
100%
Sectors
IBGB
Sovereign
99.99%
Other
0.01%
IBGM
Sovereign
99.99%
Other
0.01%
Diversification
IBGB
Total weight of top 9 holdings out of 9
100%
IBGM
Total weight of top 3 holdings out of 3
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%
IBGM
USA, Bonds 4.75% 15feb2056, USD
58.80%
USA, Bonds 5% 15may2056, USD
41.19%
BlackRock Cash Funds - Treasury
0.01%
Frequently asked questions about IBGB and IBGM
Which ETF is bigger: IBGB or IBGM?
As of September 1, 2026, IBGB holds $9.32 M in assets under management (AUM), while IBGM manages $40.20 M.
What sectors do the IBGB and IBGM ETFs invest in?
IBGB leans toward sectors like Sovereign. Meanwhile, IBGM focuses on Sovereign.
What are the top holdings of the IBGB ETF and IBGM ETF?
IBGB top holdings include USA, Bonds 5% 15may2045, USD, USA, Bonds 4.875% 15aug2045, USD and USA, Bonds 4.75% 15feb2045, USD. IBGM holds in its top three: USA, Bonds 4.75% 15feb2056, USD, USA, Bonds 5% 15may2056, USD and BlackRock Cash Funds - Treasury.
Which ETF is more diversified: IBGB or IBGM?
IBGB has 9 securities and IBGM has 3 securities.
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