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iShares Core 1-5 Year USD Bond ETF
ISTB performance and flow charts
Performance
Flows
Historic performance and flows
Data as of October 23, 2026| 1M | 3M | YTD | 1Y | 3Y | 5Y | |
|---|---|---|---|---|---|---|
| Perf. | +0.65% | +0.13% | +0.53% | +1.21% | +15.88% | +10.33% |
| Flows | +$208M | +$303M | +$765M | +$892M | +$1.25B | -$427M |
Characteristics
The iShares Core 1-5 Year USD Bond ETF is built to track the Bloomberg U.S. Universal 1-5 Year Total Return Index - USD. This ETF provides physical exposure - by owning its shares you earn the return of the securities composing the index (as the ETF holds them directly). This share class generates a stream of income by distributing dividends.
| Management strategy | Passive |
| Strategy | Long Only |
| Provider | iShares |
| N° of holdings | 7351 |
| Replication method | Direct (Physical) |
| Asset class | Fixed Income |
| Dividend policy | Distributing |
Trailing 12m distribution yield | Join for free |
| Inception date | October 18, 2012 |
| ESG | No |
More data and info about ISTB on Trackinsight
Exposure
Data as of August 31, 2026Diversification
Total weight of top 15 holdings out of 7,351
Top 15 Holdings
Sectors
Countries
Maturity
Credit rating
Similar ETFs
Trading data
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | |
|---|---|---|---|---|
| Volatility | +2.03% | +1.81% | +2.14% | +2.68% |
Max drawdown | -1.51% | -1.51% | -1.51% | -8.72% |
Max drawdown duration | 59d | 59d | 59d | 968d |
Time to recover | N/A | N/A | N/A | 622d |
Replication quality
Data as of September 30, 2026Create an account to view replication metrics
1 year cumulative return difference | |
|---|---|
| Best | Join for free |
| Worst | Join for free |
| daily return difference | |
|---|---|
| Average | Join for free |
| Worst | Join for free |
What type of ETF is ISTB?
ISTB is a Passive ETF that provides exposure to Fixed Income assets. It is managed by iShares.
What index does ISTB track?
ISTB tracks the Bloomberg U.S. Universal 1-5 Year Total Return Index - USD, aiming to replicate its performance through optimized sampling.
What does ISTB invest in?
This ETF provides exposure to US Mixed Ratings Aggregate Bonds. It is part of the segment: US Aggregate Bonds.
What is the expense ratio of ISTB?
The total expense ratio (TER) of ISTB is 0.06%, representing the annual fee charged by the fund manager.
When was ISTB launched?
ISTB was launched on October 18, 2012, marking its entry into the ETF market.
Who is the issuer of ISTB?
ISTB is issued by iShares.
What is the AUM of ISTB?
As of October 23, 2026, ISTB manages $5.33 B, reflecting the total assets held in the fund.
How has ISTB performed recently?
As of October 23, 2026, ISTB delivered a return of 0.65% over the past month (1M performance), 0.13% over the past three months (3M), and 0.53% year-to-date (YTD).
What are the recent fund flows for ISTB?
As of October 23, 2026, ISTB has seen net flows of +$208M in the past month (1M flow) and +$765M year-to-date (YTD).
Does ISTB pay dividends?
As of October 23, 2026, ISTB has a trailing 12-month distribution yield of 4.36%.
How many holdings are in ISTB
As of August 31, 2026, ISTB holds 7351 securities in its portfolio. This level of diversification can influence the fund’s risk profile and exposure to individual assets.
How diversified is ISTB?
As of August 31, 2026, ISTB holds 7351 securities, with 12.68% of its assets concentrated in its top 15 holdings.
What are the top holdings of ISTB?
As of August 31, 2026, ISTB holds a portfolio of 7351 underlyings, with its largest positions including USA, Notes 3.875% 15jun2028, USD (AP-2028), USA, Notes 4.125% 30jun2031, USD (AA-2031) and BlackRock Cash Funds - Institutional. These top holdings play a significant role in shaping the fund’s performance and exposure.
What countries or regions does ISTB invest in?
As of August 31, 2026, ISTB has its largest geographic exposures in USA.
What sectors or themes does ISTB focus on?
As of August 31, 2026, ISTB is primarily exposed to Sovereign and Finance.
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