IBTLvsVGLTETF Comparison
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iShares iBonds Dec 2031 Term Treasury ETF (IBTL) and Vanguard Long-Term Treasury ETF (VGLT) belong to the same industry segment: US Government Bonds. IBTL's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, VGLT's top sector exposures are Sovereign. IBTL is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for VGLT. IBTL is down -1.68% year-to-date (YTD) with +$321M in YTD flows. VGLT performs worse with -5.18% YTD performance, and +$1.61B in YTD flows. Run a side-by-side ETF comparison of IBTL and VGLT 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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IBTL vs VGLT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTL VGLT | +0.34%-0.62% | -1.44%-3.59% | -1.68%-5.18% | -1.76%-7.56% | +13.77%+7.83% | -5.94%-30.35% |
| Flows | IBTL VGLT | +$19M+$563M | +$134M+$1.02B | +$321M+$1.61B | +$337M+$1.98B | +$647M+$4.57B | +$772M+$11.64B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTL VGLT | +3.36%+9.56% | +3.35%+8.64% | +5.29%+11.70% | +7.34%+14.27% |
| Max drawdown | IBTL VGLT | -2.68%-7.01% | -4.29%-11.72% | -5.55%-14.05% | -20.62%-41.00% |
| Max drawdown duration | IBTL VGLT | 52d89d | 229d229d | 198d760d | 1776d1776d |
Trading data
IBTL | VGLT | |
Last sale 10/16/2026 at 1:30 PM | $224.77 | $51.39 |
| Previous close 10/16/2026 | $226.15 | $51.36 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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IBTL | VGLT | |
|---|---|---|
| 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
IBTL | VGLT | |
|---|---|---|
| Last price | $224.77 | $51.39 |
| 1D performance | -0.61% | +0.06% |
| AuM | $749.38 M | $10.91 B |
| E/R | 0.07% | 0.03% |
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Exposure
Countries
IBTL
USA
95.2%
Other
4.8%
VGLT
USA
97.69%
Other
2.31%
Sectors
IBTL
Sovereign
95.04%
Other
4.96%
VGLT
Sovereign
97.69%
Other
2.31%
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Diversification
IBTL
Total weight of top 15 holdings out of 15
74.38%
VGLT
Total weight of top 15 holdings out of 15
29.13%
Top 15 holdings
Data as of August 31, 2026
IBTL
USA, Notes 1.25% 15aug2031, USD (E-2031)
6.96%
USA, Notes 1.375% 15nov2031, USD (F-2031)
6.87%
USA, Notes 1.625% 15may2031, USD (C-2031)
6.49%
USA, Notes 1.125% 15feb2031, USD (B-2031)
6.45%
USA, Notes 4.125% 30jun2031, USD (AA-2031)
5.11%
USA, Notes 4.125% 31may2031, USD (Z-2031)
5.00%
USA, Notes 3.875% 31mar2031, USD (W-2031)
4.83%
USA, Notes 3.875% 30apr2031, USD (Y-2031)
4.83%
USA, Notes 3.75% 31jan2031, USD (U-2031)
4.73%
USA, Notes 3.5% 28feb2031, USD (V-2031)
4.67%
US91282CRK98
4.42%
USA, Notes 4.375% 31jul2031, USD (AB-2031)
3.59%
USA, Notes 4.625% 31may2031, USD (L-2031)
3.54%
USA, Notes 4.625% 30apr2031, USD (K-2031)
3.45%
USA, Notes 4.125% 31jul2031, USD (N-2031)
3.43%
VGLT
USA, Bonds 5% 15may2056, USD
2.18%
USA, Bonds 4.75% 15aug2055, USD
2.13%
USA, Bonds 4.75% 15may2055, USD
2.12%
USA, Bonds 4.75% 15feb2056, USD
2.09%
USA, Bonds 4.75% 15nov2053, USD
2.09%
USA, Bonds 4.625% 15feb2055, USD
2.08%
USA, Bonds 4.625% 15nov2055, USD
2.08%
USA, Bonds 4.625% 15may2054, USD
2.04%
USA, Bonds 4.5% 15nov2054, USD
2.00%
USA, Bonds 4.25% 15feb2054, USD
2.00%
USA, Bonds 4.25% 15aug2054, USD
1.96%
USA, Bonds 4.125% 15aug2053, USD
1.80%
USA, Bonds 4% 15nov2052, USD
1.59%
USA, Bonds 1.75% 15aug2041, USD
1.51%
USA, Bonds 3.625% 15feb2053, USD
1.48%
Frequently asked questions about IBTL and VGLT
How have the IBTL and VGLT ETFs performed in 2026?
As of October 16, 2026, IBTL is down -1.68% year-to-date (YTD), while VGLT has lost -5.18%. That puts IBTL better performer ahead so far this year.
Which ETF is attracting more investor money: IBTL or VGLT?
Year-to-date, the IBTL ETF saw +$321M in flows, compared to +$1.61B for VGLT.
Which ETF is more volatile: IBTL or VGLT?
Over the past year, IBTL had a volatility of 3.35%, while VGLT experienced 8.64%.
Which ETF is bigger: IBTL or VGLT?
As of October 16, 2026, IBTL holds $749.38 M in assets under management (AUM), while VGLT manages $10.91 B.
What sectors do the IBTL and VGLT ETFs invest in?
IBTL leans toward sectors like Sovereign. Meanwhile, VGLT focuses on Sovereign.
What are the top holdings of the IBTL ETF and VGLT ETF?
IBTL top holdings include USA, Notes 1.25% 15aug2031, USD (E-2031), USA, Notes 1.375% 15nov2031, USD (F-2031) and USA, Notes 1.625% 15may2031, USD (C-2031). VGLT holds in its top three: USA, Bonds 5% 15may2056, USD, USA, Bonds 4.75% 15aug2055, USD and USA, Bonds 4.75% 15may2055, USD.
Which ETF is more diversified: IBTL or VGLT?
IBTL holds 25 securities with 74.38% of its assets in the top 15. VGLT has 101 securities and a top 15 weight of 29.13%.
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