IBGLvsTLTETF Comparison
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iShares iBonds Dec 2055 Term Treasury ETF (IBGL) and iShares 20+ Year Treasury Bond ETF (TLT) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. IBGL is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.15% for TLT. IBGL is down -4.85% year-to-date (YTD) with +$1M in YTD flows. TLT performs worse with -5.07% YTD performance, and +$4.18B in YTD flows. Run a side-by-side ETF comparison of IBGL and TLT 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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IBGL vs TLT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBGL TLT | -0.44%-0.46% | -3.78%-3.87% | -4.85%-5.07% | -7.25%-7.63% | n/a+5.48% | n/a-34.01% |
| Flows | IBGL TLT | -+$751M | -+$7.51B | +$1M+$4.18B | +$1M+$3.05B | -+$13.17B | -+$50.52B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGL TLT | +10.06%+10.41% | +8.99%+9.35% | n/a+12.83% | n/a+15.43% |
| Max drawdown | IBGL TLT | -7.53%-7.66% | -12.06%-12.42% | n/a-16.55% | n/a-43.68% |
| Max drawdown duration | IBGL TLT | 88d88d | 228d228d | n/a759d | n/a1775d |
Trading data
IBGL | TLT | |
Last sale 10/16/2026 at 1:30 PM | $22.24 | $80.05 |
| Previous close 10/15/2026 | $22.24 | $79.97 |
| 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 17, 2026
1-year trailing difference
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IBGL | TLT | |
|---|---|---|
| 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
IBGL | TLT | |
|---|---|---|
| Last price | $22.24 | $80.05 |
| 1D performance | +0.01% | +0.10% |
| AuM | $5.56 M | $48.07 B |
| E/R | 0.07% | 0.15% |
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Exposure
Countries
IBGL
USA
100.83%
Other
-0.83%
TLT
USA
99.66%
Other
0.34%
Sectors
IBGL
Sovereign
99.57%
Other
0.43%
TLT
Sovereign
98.58%
Other
1.42%
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Diversification
IBGL
Total weight of top 5 holdings out of 5
100.83%
TLT
Total weight of top 15 holdings out of 15
58.22%
Top 15 holdings
Data as of August 31, 2026
IBGL
USA, Bonds 4.75% 15may2055, USD
25.40%
USA, Bonds 4.75% 15aug2055, USD
25.06%
USA, Bonds 4.625% 15nov2055, USD
24.85%
USA, Bonds 4.625% 15feb2055, USD
24.28%
BlackRock Cash Funds - Treasury
1.26%
TLT
USA, Bonds 4.75% 15may2055, USD
4.51%
USA, Bonds 4.625% 15may2054, USD
4.28%
USA, Bonds 4.125% 15aug2053, USD
4.19%
USA, Bonds 4.75% 15feb2056, USD
4.14%
USA, Bonds 4.25% 15feb2054, USD
4.04%
USA, Bonds 5% 15may2056, USD
4.03%
USA, Bonds 4.75% 15nov2053, USD
3.98%
USA, Bonds 4.25% 15aug2054, USD
3.95%
USA, Bonds 4.625% 15nov2055, USD
3.85%
USA, Bonds 4.625% 15feb2055, USD
3.81%
USA, Bonds 4.5% 15nov2054, USD
3.80%
USA, Bonds 1.875% 15nov2051, USD
3.80%
USA, Bonds 2% 15aug2051, USD
3.35%
USA, Bonds 4.75% 15aug2055, USD
3.31%
USA, Bonds 3.625% 15may2053, USD
3.16%
Frequently asked questions about IBGL and TLT
How have the IBGL and TLT ETFs performed in 2026?
As of October 15, 2026, IBGL is down -4.85% year-to-date (YTD), while TLT has lost -5.07%. That puts IBGL better performer ahead so far this year.
Which ETF is attracting more investor money: IBGL or TLT?
Year-to-date, the IBGL ETF saw +$1M in flows, compared to +$4.18B for TLT.
Which ETF is more volatile: IBGL or TLT?
Over the past year, IBGL had a volatility of 8.99%, while TLT experienced 9.35%.
Which ETF is bigger: IBGL or TLT?
As of October 15, 2026, IBGL holds $5.56 M in assets under management (AUM), while TLT manages $48.07 B.
What sectors do the IBGL and TLT ETFs invest in?
IBGL leans toward sectors like Sovereign. Meanwhile, TLT focuses on Sovereign.
What are the top holdings of the IBGL ETF and TLT ETF?
IBGL top holdings include USA, Bonds 4.75% 15may2055, USD, USA, Bonds 4.75% 15aug2055, USD and USA, Bonds 4.625% 15nov2055, USD. TLT holds in its top three: USA, Bonds 4.75% 15may2055, USD, USA, Bonds 4.625% 15may2054, USD and USA, Bonds 4.125% 15aug2053, USD.
Which ETF is more diversified: IBGL or TLT?
IBGL has 5 securities. TLT has 48 securities and a top 15 weight of 58.22%.
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