ISTBvsIGLBETF Comparison
VS
ETF 2
IGLB
iShares 10+ Year Investment Grade Corporate Bond ETF
This fund is part of
US Corporate IG Bonds
+0.08%
iShares Core 1-5 Year USD Bond ETF (ISTB) belongs to the US Aggregate Bonds segment. iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) is part of the US Corporate IG Bonds segment. ISTB's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, IGLB's top sector exposures are Finance, Utilities and Energy. ISTB is more expensive with a Total Expense Ratio (TER) of 0.06%, versus 0.04% for IGLB. ISTB is up 0.53% year-to-date (YTD) with +$765M in YTD flows. IGLB performs worse with -3.01% YTD performance, and +$121M in YTD flows. Run a side-by-side ETF comparison of ISTB and IGLB 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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ISTB vs IGLB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ISTB IGLB | +0.84%+2.82% | -0.01%-1.31% | +0.53%-3.01% | +1.13%-5.68% | +15.79%+20.73% | +10.36%-14.38% |
| Flows | ISTB IGLB | +$170M+$104M | +$288M+$109M | +$765M+$121M | +$873M+$259M | +$1.25B+$1.04B | -$427M+$886M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ISTB IGLB | +2.03%+9.12% | +1.81%+7.79% | +2.14%+9.48% | +2.68%+11.49% |
| Max drawdown | ISTB IGLB | -1.51%-5.44% | -1.51%-9.08% | -1.51%-9.38% | -8.72%-34.41% |
| Max drawdown duration | ISTB IGLB | 62d62d | 62d363d | 62d354d | 968d1812d |
Trading data
ISTB | IGLB | |
Last sale 10/27/2026 at 1:30 PM | $47.44 | $47.16 |
| Previous close 10/26/2026 | $47.41 | $46.98 |
| Consolidated volume 10/26/2026 | ||
| 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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ISTB | IGLB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
ISTB | IGLB | |
|---|---|---|
| Last price | $47.44 | $47.16 |
| 1D performance | +0.06% | +0.38% |
| AuM | $5.33 B | $2.67 B |
| E/R | 0.06% | 0.04% |
Characteristics
ISTB | IGLB | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Bloomberg U.S. Universal 1-5 Year Index | ICE BofA 10+ Year US Corporate Index |
| N° of holdings | 6956 | 3787 |
| Asset class | Bonds | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 18, 2012 | December 8, 2009 |
| ESG | No | No |
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Exposure
Countries
ISTB
USA
77.86%
Other
22.14%
IGLB
USA
82.76%
Other
17.24%
Sectors
ISTB
Sovereign
54.43%
Finance
18.71%
Other
26.86%
IGLB
Finance
19.82%
Utilities
14.84%
Energy
10.63%
Healthcare
10.32%
Technology
9.44%
Industrials
7.9%
Other
27.06%
Diversification
ISTB
Total weight of top 15 holdings out of 15
12.68%
IGLB
Total weight of top 15 holdings out of 15
3.11%
Top 15 holdings
Data as of August 31, 2026
ISTB
USA, Notes 3.875% 15jun2028, USD (AP-2028)
1.09%
USA, Notes 4.125% 30jun2031, USD (AA-2031)
1.06%
BlackRock Cash Funds - Institutional
1.06%
USA, Notes 4% 28feb2030, USD (H-2030)
0.91%
USA, Notes 3.625% 31oct2030, USD (AF-2030)
0.89%
USA, Notes 4.375% 31jul2031, USD (AB-2031)
0.87%
USA, Notes 3.5% 30nov2030, USD (AG-2030)
0.84%
USA, Notes 3.75% 31jan2031, USD (U-2031)
0.81%
USA, Notes 3.625% 30sep2030, USD (AD-2030)
0.81%
USA, Notes 3.625% 31aug2030, USD (AC-2030)
0.79%
USA, Notes 4% 31may2030, USD (Z-2030)
0.77%
USA, Notes 3.875% 15jul2028, USD (AQ-2028)
0.75%
USA, Notes 4% 31jul2029, USD (AB-2029)
0.74%
USA, Notes 4.5% 31may2029, USD (Z-2029)
0.66%
USA, Notes 4.25% 30jun2029, USD (AA-2029)
0.65%
IGLB
BlackRock Cash Funds - Treasury
0.54%
Anheuser-Busch, 4.9% 1feb2046, USD
0.26%
Goldman Sachs, 6.75% 1oct2037, USD
0.23%
CVS Health, 5.05% 25mar2048, USD
0.22%
Boeing, 5.805% 1may2050, USD
0.20%
Pfizer, 5.3% 19may2053, USD
0.19%
Meta Platforms, 5.5% 15nov2045, USD
0.18%
AbbVie, 4.25% 21nov2049, USD
0.18%
CVS Health, 4.78% 25mar2038, USD
0.17%
US161175CV42
0.16%
Meta Platforms, 6.3% 15may2056, USD
0.16%
Oracle, 6.7% 4feb2056, USD
0.16%
Bank of America Corporation, 2.676% 19jun2041, USD (N)
0.15%
Meta Platforms, 5.75% 15nov2065, USD
0.15%
Amazon.com, 5.8% 13mar2056, USD
0.15%
Frequently asked questions about ISTB and IGLB
How have the ISTB and IGLB ETFs performed in 2026?
As of October 26, 2026, ISTB is up 0.53% year-to-date (YTD), while IGLB has lost -3.01%. That puts ISTB better performer ahead so far this year.
Which ETF is attracting more investor money: ISTB or IGLB?
Year-to-date, the ISTB ETF saw +$765M in flows, compared to +$121M for IGLB.
Which ETF is more volatile: ISTB or IGLB?
Over the past year, ISTB had a volatility of 1.81%, while IGLB experienced 7.79%.
Which ETF is bigger: ISTB or IGLB?
As of October 26, 2026, ISTB holds $5.33 B in assets under management (AUM), while IGLB manages $2.67 B.
What sectors do the ISTB and IGLB ETFs invest in?
ISTB leans toward sectors like Sovereign and Finance. Meanwhile, IGLB focuses on Finance, Utilities and Energy.
What are the top holdings of the ISTB ETF and IGLB ETF?
ISTB top holdings include USA, Notes 3.875% 15jun2028, USD (AP-2028), USA, Notes 4.125% 30jun2031, USD (AA-2031) and BlackRock Cash Funds - Institutional. IGLB holds in its top three: BlackRock Cash Funds - Treasury, Anheuser-Busch, 4.9% 1feb2046, USD and Goldman Sachs, 6.75% 1oct2037, USD.
Which ETF is more diversified: ISTB or IGLB?
ISTB holds 7351 securities with 12.68% of its assets in the top 15. IGLB has 3814 securities and a top 15 weight of 3.11%.
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