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iShares Core 1-5 Year USD Bond (ISTB)

Bond ETF · iShares (BlackRock) · NASDAQ · 7,411 holdings
$47.47 ▲ +0.17 (0.36%)
At close · USD · Volume 462,709
Returns and riskCostIncomeDividend historyHoldingsQuestions
52-week range
$47.01 – $49.05
Day's range
$47.35 – $47.50
1-year total return
+1.2%

ISTB price chart

Daily, split-corrected, distributions markedEnd-of-day prices

ISTB fund facts

FundiShares Core 1-5 Year USD Bond
TickerISTB · NASDAQ
Issuer (by our rules)iShares (BlackRock)
Category (by our rules)Bond
Expense ratio0.06%
Holdings7,411
Net assets (fund, SEC)$5.1B
Yield (last 12 months)4.35%
DistributionsMonthly
52-week range$47.01 – $49.05
Average volume (3 months)563,174
First price in our data22 Oct 2012
Issuer and category are assigned by StocksXray rules from the fund name. Expense ratio and net assets come from SEC filings; where a fund does not file them (for example grantor trusts) the field stays empty.

Returns and risk

1 month
+0.3%
3 months
+0.1%
6 months
−0.0%
Year to date
+0.6%
1 year
+1.2%
3 years a year
+5.1%
5 years a year
+2.0%
10 years a year
+2.2%
Volatility (1 year)
1.9%
Largest drop, last year
−1.6%
Largest drop in our data
−100.0%
Total return includes distributions, from end-of-day prices adjusted for splits and distributions, to 22 Oct 2026. Periods of 3 years and longer are annualised and shown only when the fund's history is long enough. Volatility is the standard deviation of daily returns over the last year, annualised. Past performance does not guarantee future results.

Cost: expense ratio

0.06% a year

On $10,000 invested that is about $6 a year in fund costs, taken out of the fund's assets.

Source: the fund's prospectus, as filed with the SEC on 23 Feb 2026 (risk/return summary data). Brokerage commissions and the bid-ask spread are separate costs.

Income: distributions

Paid, last 12 months
2.07 USD
Yield on today's price
4.35%
Frequency
Monthly
Latest ex-date
1 Oct 2026
Full ISTB dividend history →
Cash paid per current share (restated for share splits), before tax, from EODHD.

ISTB top holdings

#HoldingWeight
1 BLACKROCK CASH FUNDS 1.15%
2 United States Treasury 1.08%
3 United States Treasury 0.90%
4 United States Treasury 0.88%
5 United States Treasury 0.83%
6 United States Treasury 0.81%
7 United States Treasury 0.79%
8 United States Treasury 0.78%
9 United States Treasury 0.75%
10 United States Treasury 0.74%
The top 10 make up 8.7% of the fund, out of 7,411 holdings.
Positions as of 31 Jul 2026, from the fund's Form N-PORT filed with the SEC. Public N-PORT holdings are quarter-end positions published about 60 days later, so they can be months old and the fund may have changed since.

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ISTB: frequently asked questions

What is ISTB?

ISTB is the iShares Core 1-5 Year USD Bond ETF, issued by iShares (BlackRock), listed on NASDAQ. By our rules it is classed as "Bond". Its latest SEC filing lists 7,411 holdings.

What is the expense ratio of ISTB?

ISTB charges 0.06% a year, according to its prospectus filed with the SEC on 23 Feb 2026. On $10,000 that is about $6 a year in fund costs.

Does ISTB pay dividends?

Yes. ISTB paid 2.07 per share over the last 12 months, monthly, a trailing yield of 4.35% on today's price. The latest ex-dividend date was 1 Oct 2026.

What does ISTB hold?

The largest holdings in the latest SEC filing are BLACKROCK CASH FUNDS (1.2%), United States Treasury (1.1%), United States Treasury (0.9%). The top 10 together make up 8.7% of the fund.

How has ISTB performed?

Total return including distributions to 22 Oct 2026: 1 year +1.2%, 3 years +5.1% a year, 5 years +2.0% a year. Past performance does not guarantee future results.

Where the numbers come from

Prices and distributions end-of-day data from EODHD; returns are our own calculations from it.
Expense ratio and holdings SEC filings (prospectus risk/return data and Form N-PORT).
Category, issuer and leverage assigned by StocksXray rules from the fund name.
X-Ray look-through our scores applied to the SEC holdings.
Read the methodology →

StocksXray is for education only and is not financial advice or a recommendation to buy or sell anything. Past performance does not guarantee future results; funds can lose value.