IBTQvsSPTLETF Comparison
VS
ETF 2
SPTL
State Street SPDR Portfolio Long Term Treasury ETF
This fund is part of
US Government Bonds
+0.09%
iShares iBonds Dec 2035 Term Treasury ETF (IBTQ) and State Street SPDR Portfolio Long Term Treasury ETF (SPTL) belong to the same industry segment: US Government Bonds. IBTQ's top 2 sector exposures are Sovereign and Non-Corporate. In contrast, SPTL's top sector exposures are Sovereign. IBTQ is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.03% for SPTL. IBTQ is down -1.43% year-to-date (YTD) with +$148M in YTD flows. SPTL performs worse with -2.69% YTD performance, and +$662M in YTD flows. Run a side-by-side ETF comparison of IBTQ and SPTL 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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IBTQ vs SPTL performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/03/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTQ SPTL | -0.21%+0.30% | -0.85%-2.20% | -1.43%-2.69% | +0.34%-0.29% | n/a+2.92% | n/a-29.87% |
| Flows | IBTQ SPTL | +$11M+$342M | +$20M+$1.27B | +$148M+$662M | +$213M+$120M | -+$5.20B | -+$10.34B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTQ SPTL | +4.92%+8.86% | +4.83%+8.52% | n/a+12.21% | n/a+14.43% |
| Max drawdown | IBTQ SPTL | -2.21%-5.39% | -4.23%-7.38% | n/a-13.37% | n/a-41.05% |
| Max drawdown duration | IBTQ SPTL | 66d66d | 186d186d | n/a717d | n/a1733d |
Trading data
IBTQ | SPTL | |
Last sale 9/3/2026 at 1:30 PM | $24.45 | $25.07 |
| Previous close 09/03/2026 | $24.42 | $25.03 |
| Consolidated volume 09/03/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IBTQ | SPTL | |
|---|---|---|
| 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
IBTQ | SPTL | |
|---|---|---|
| Last price | $24.45 | $25.07 |
| 1D performance | +0.14% | +0.16% |
| AuM | $243.19 M | $11.05 B |
| E/R | 0.07% | 0.03% |
Characteristics
IBTQ | SPTL | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | ICE 2035 Maturity US Treasury Index | Bloomberg US Long Treasury Index |
| N° of holdings | 5 | 99 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 26, 2025 | May 23, 2007 |
| ESG | No | No |
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Exposure
Countries
IBTQ
USA
100%
Other
0%
SPTL
USA
98.17%
Other
1.83%
Sectors
IBTQ
Sovereign
100%
Other
0%
SPTL
Sovereign
98.17%
Other
1.83%
Diversification
IBTQ
Total weight of top 5 holdings out of 5
100%
SPTL
Total weight of top 15 holdings out of 15
29.2%
Top 15 holdings
Data as of July 31, 2026
IBTQ
USA, Notes 4.625% 15feb2035, USD (B-2035)
25.81%
USA, Notes 4.25% 15aug2035, USD (E-2035)
25.07%
USA, Notes 4.25% 15may2035, USD (C-2035)
24.84%
USA, Notes 4% 15nov2035, USD (F-2035)
24.27%
BlackRock Cash Funds - Treasury
0.00%
SPTL
USA, Bonds 4.75% 15aug2055, USD
2.17%
USA, Bonds 4.75% 15feb2056, USD
2.15%
USA, Bonds 4.75% 15may2055, USD
2.13%
USA, Bonds 5% 15may2056, USD
2.13%
USA, Bonds 4.625% 15may2054, USD
2.12%
USA, Bonds 4.625% 15feb2055, USD
2.10%
USA, Bonds 4.625% 15nov2055, USD
2.10%
USA, Bonds 4.5% 15nov2054, USD
2.07%
USA, Bonds 4.75% 15nov2053, USD
2.05%
USA, Bonds 4.25% 15aug2054, USD
1.96%
USA, Bonds 4.25% 15feb2054, USD
1.96%
USA, Bonds 4.125% 15aug2053, USD
1.77%
USA, Bonds 4% 15nov2052, USD
1.55%
USA, Bonds 1.75% 15aug2041, USD
1.48%
USA, Bonds 3.625% 15may2053, USD
1.46%
Frequently asked questions about IBTQ and SPTL
How have the IBTQ and SPTL ETFs performed in 2026?
As of September 3, 2026, IBTQ is down -1.43% year-to-date (YTD), while SPTL has lost -2.69%. That puts IBTQ better performer ahead so far this year.
Which ETF is attracting more investor money: IBTQ or SPTL?
Year-to-date, the IBTQ ETF saw +$148M in flows, compared to +$662M for SPTL.
Which ETF is more volatile: IBTQ or SPTL?
Over the past year, IBTQ had a volatility of 4.83%, while SPTL experienced 8.52%.
Which ETF is bigger: IBTQ or SPTL?
As of September 3, 2026, IBTQ holds $243.19 M in assets under management (AUM), while SPTL manages $11.05 B.
What sectors do the IBTQ and SPTL ETFs invest in?
IBTQ leans toward sectors like Sovereign. Meanwhile, SPTL focuses on Sovereign.
What are the top holdings of the IBTQ ETF and SPTL ETF?
IBTQ top holdings include USA, Notes 4.625% 15feb2035, USD (B-2035), USA, Notes 4.25% 15aug2035, USD (E-2035) and USA, Notes 4.25% 15may2035, USD (C-2035). SPTL holds in its top three: USA, Bonds 4.75% 15aug2055, USD, USA, Bonds 4.75% 15feb2056, USD and USA, Bonds 4.75% 15may2055, USD.
Which ETF is more diversified: IBTQ or SPTL?
IBTQ has 5 securities. SPTL has 99 securities and a top 15 weight of 29.2%.
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October 24, 2023
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