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ISTB · NASDAQ · ETF

iShares Core 1-5 Year USD Bond ETF (ISTB) Price, Holdings & Fees

$158.70−1.36%−$2.18End-of-day price as of Oct 9, 2026

iShares Core 1-5 Year USD Bond ETF (ISTB) closed at $158.70 on Oct 9, 2026, down 1.36% from the previous close of $160.88.

Share price, past year

1Y −17.10%

52-week range $146.88 – $192.46. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$158.70
Sep 30, 2026$165.81
Aug 31, 2026$166.30
Jul 31, 2026$176.92
Jun 30, 2026$167.48
May 29, 2026$165.99
Apr 30, 2026$154.43
Mar 31, 2026$149.87
Feb 27, 2026$163.42
Jan 30, 2026$165.37
Dec 31, 2025$173.66
Nov 28, 2025$185.43
Oct 31, 2025$187.04

Key statistics

Expense ratio
0.06%
as of Oct 31, 2025
Net assets
$5.1B
as of Jul 31, 2026
Holdings
7,411
as of Jul 31, 2026
52-week range
$146.88 – $192.46

iShares Core 1-5 Year USD Bond ETF's expense ratio is 0.06%: $6.00 a year on $10,000 invested.

Holdings

iShares Core 1-5 Year USD Bond ETF held 7,411 investments worth $5.13B as of Jul 31, 2026. Its largest holding was BLACKROCK CASH FUNDS, at 1.15% of the fund.

iShares Core 1-5 Year USD Bond ETF largest holdings by share of net assets
#Holding% of fundValue
1BLACKROCK CASH FUNDS1.15%$58.95M
2United States Treasury1.08%$55.32M
3United States Treasury0.90%$46.36M
4United States Treasury0.88%$44.93M
5United States Treasury0.83%$42.60M
6United States Treasury0.81%$41.45M
7United States Treasury0.79%$40.61M
8United States Treasury0.78%$40.18M
9United States Treasury0.75%$38.69M
10United States Treasury0.74%$37.97M
11United States Treasury0.74%$37.93M
12United States Treasury0.73%$37.67M
13United States Treasury0.65%$33.24M
14United States Treasury0.65%$33.07M
15United States Treasury0.62%$31.95M
16United States Treasury0.61%$31.47M
17United States Treasury0.61%$31.16M
18United States Treasury0.58%$29.85M
19United States Treasury0.58%$29.80M
20United States Treasury0.57%$29.35M
21United States Treasury0.57%$29.13M
22United States Treasury0.56%$28.71M
23United States Treasury0.54%$27.74M
24United States Treasury0.52%$26.51M
25United States Treasury0.51%$26.40M

Top 25 of 7,411 holdings, as of Jul 31, 2026. Percentages are of the fund's net assets.

What the fund owns

iShares Core 1-5 Year USD Bond ETF holdings by asset type
Asset type% of fund
Bonds and other debt92.91%
Mortgage-backed securities4.83%
Cash and short-term investments1.56%
Other asset-backed securities0.61%
Preferred stock0.01%
iShares Core 1-5 Year USD Bond ETF holdings by country, largest 10
Country% of fund
United States82.76%
XX2.16%
Canada1.69%
United Kingdom1.34%
Cayman Islands1.22%
Japan1.09%
France0.83%
South Korea0.57%
Germany0.55%
Netherlands0.50%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jul 31, 2026, iShares Core 1-5 Year USD Bond ETF's total return was +0.16%, as reported to the SEC.

iShares Core 1-5 Year USD Bond ETF monthly total returns
MonthTotal return
Jul 31, 2026−0.09%
Jun 30, 2026+0.11%
May 31, 2026+0.14%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
iShares Core 1-5 Year USD Bond ETF
Ticker
ISTB
Exchange
NASDAQ
Fund type
ETF
Trust
iSHARES TRUST
SEC series ID
S000038926
SEC CIK
0001100663
Fractional shares
Yes

Recent SEC filings

Shareholder reports and prospectuses are filed by iSHARES TRUST, the trust behind iShares Core 1-5 Year USD Bond ETF, and cover all of its funds.

Frequently asked questions

What is ISTB's price?

iShares Core 1-5 Year USD Bond ETF (ISTB) closed at $158.70 on Oct 9, 2026, down 1.36% from the previous close of $160.88.

What is ISTB's expense ratio?

iShares Core 1-5 Year USD Bond ETF's expense ratio is 0.06%: $6.00 a year on $10,000 invested.

What does ISTB hold?

iShares Core 1-5 Year USD Bond ETF held 7,411 investments worth $5.13B as of Jul 31, 2026. Its largest holding was BLACKROCK CASH FUNDS, at 1.15% of the fund. Its five largest holdings were BLACKROCK CASH FUNDS, United States Treasury, United States Treasury, United States Treasury, United States Treasury.

How has ISTB performed?

Over the 3 months to Jul 31, 2026, iShares Core 1-5 Year USD Bond ETF's total return was +0.16%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jul 31, 2026 (filed Sep 25, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Oct 31, 2025. Prices are generated sample data for development. Data sources and disclosures