IBGCvsTLTETF Comparison
VS
iShares iBonds Dec 2046 Term Treasury ETF (IBGC) 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. IBGC is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.15% for TLT. Run a side-by-side ETF comparison of IBGC 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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IBGC vs TLT 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 TLT | +0.15%+0.08% | -2.56%-3.21% | n/a-3.17% | n/a+0.07% | n/a-0.55% | n/a-34.63% |
| Flows | IBGC TLT | +$20M+$5.25B | +$27M+$6.11B | -+$1.82B | -+$1.46B | -+$13.08B | -+$46.93B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBGC TLT | +8.74%+9.63% | n/a+9.34% | n/a+13.29% | n/a+15.49% |
| Max drawdown | IBGC TLT | -5.17%-6.21% | n/a-8.29% | n/a-14.78% | n/a-43.68% |
| Max drawdown duration | IBGC TLT | 65d65d | n/a185d | n/a716d | n/a1732d |
Trading data
IBGC | TLT | |
Last sale 9/3/2026 at 1:30 PM | $24.01 | $82.07 |
| Previous close 09/02/2026 | $23.92 | $81.95 |
| 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 | 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 9/3/2026 at 1:30 PM
Live
Closed
IBGC | TLT | |
|---|---|---|
| Last price | $24.01 | $82.07 |
| 1D performance | +0.39% | +0.14% |
| AuM | $29.89 M | $46.67 B |
| E/R | 0.07% | 0.15% |
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Exposure
Countries
IBGC
USA
100%
Other
-0%
TLT
USA
100%
Other
0%
Sectors
IBGC
Sovereign
99.99%
Other
0.01%
TLT
Sovereign
100%
Other
0%
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Diversification
IBGC
Total weight of top 7 holdings out of 7
100%
TLT
Total weight of top 15 holdings out of 15
59.52%
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%
TLT
USA, Bonds 4.125% 15aug2053, USD
4.68%
USA, Bonds 4.75% 15nov2053, USD
4.55%
USA, Bonds 4.75% 15may2055, USD
4.51%
USA, Bonds 4.625% 15may2054, USD
4.45%
USA, Bonds 4.25% 15feb2054, USD
4.13%
USA, Bonds 4.75% 15feb2056, USD
4.04%
USA, Bonds 4.25% 15aug2054, USD
4.03%
USA, Bonds 3.625% 15may2053, USD
3.90%
USA, Bonds 4.625% 15feb2055, USD
3.89%
USA, Bonds 2% 15aug2051, USD
3.80%
USA, Bonds 4.5% 15nov2054, USD
3.79%
USA, Bonds 1.875% 15nov2051, USD
3.79%
USA, Bonds 4% 15nov2052, USD
3.66%
USA, Bonds 4.625% 15nov2055, USD
3.25%
USA, Bonds 3.625% 15feb2053, USD
3.04%
Frequently asked questions about IBGC and TLT
Which ETF is bigger: IBGC or TLT?
As of September 2, 2026, IBGC holds $29.89 M in assets under management (AUM), while TLT manages $46.67 B.
What sectors do the IBGC and TLT ETFs invest in?
IBGC leans toward sectors like Sovereign. Meanwhile, TLT focuses on Sovereign.
What are the top holdings of the IBGC ETF and TLT ETF?
IBGC top holdings include USA, Bonds 4.625% 15feb2046, USD, USA, Bonds 5% 15may2046, USD and USA, Bonds 2.25% 15aug2046, USD. TLT holds in its top three: USA, Bonds 4.125% 15aug2053, USD, USA, Bonds 4.75% 15nov2053, USD and USA, Bonds 4.75% 15may2055, USD.
Which ETF is more diversified: IBGC or TLT?
IBGC has 7 securities. TLT has 47 securities and a top 15 weight of 59.52%.
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