iShares Core 1-5 Year USD Bond ETF ISTB
Source: Yahoo Finance (opens in a new tab) Observed · 1 day ago Quotes may be delayed
- Net expense ratio
- 0.06%
- Net assets
- $5.1B
- Holdings
- 7,411
- 12-month distribution yield
- 4.36%
- Asset class
- Fixed income
iShares Core 1-5 Year USD Bond ETF (ISTB) is an exchange-traded fund listed on the Nasdaq in the United States, issued by iShares. Its category is Fixed income · Global (fixed income). Its last price was US$47.30 on 20 Oct 2026. Its net expense ratio is 0.06% a year, from its prospectus dated 27 Feb 2026. It reported net assets of US$5.13 billion as of 31 Jul 2026. Its latest holdings report lists 7,411 holdings as of 31 Jul 2026. Over the last 12 months it paid distributions of US$2.06 a unit, a 12-month distribution yield of 4.36%, paid monthly.
Fees
- Total annual operating expenses (gross)
- 0.06%
- Net, after fee waivers or reimbursements
- 0.06%
- Management fee
- 0.06%
- Prospectus date
- 27 Feb 2026
- Filed with the SEC
- 23 Feb 2026
Size and reporting
- Net assets
- $5,126,153,301
- Total assets
- $5,190,812,237
- Holdings as of
- 31 Jul 2026
- Report made public
- 25 Sep 2026 (56 days after the month end)
Top holdings
Largest 25 of 7,411 positions, as of 31 Jul 2026. Weight is the percent of net assets the fund reported.
| # | Holding | Identifier | Weight | Value (USD) | Type | Country | Currency |
|---|---|---|---|---|---|---|---|
| 1 | BLACKROCK CASH FUNDS BlackRock Cash Funds: Treasury, SL Agency Shares | US0669224778 | 1.15% | $59.0M | Short-term investment vehicles (cash funds) | United States | USD |
| 2 | United States Treasury U.S. Treasury Notes | US91282CNH06 | 1.08% | $55.3M | Debt | United States | USD |
| 3 | United States Treasury U.S. Treasury Notes | US91282CGQ87 | 0.90% | $46.4M | Debt | United States | USD |
| 4 | United States Treasury U.S. Treasury Notes | US91282CPD73 | 0.88% | $44.9M | Debt | United States | USD |
| 5 | United States Treasury U.S. Treasury Notes | US91282CPN55 | 0.83% | $42.6M | Debt | United States | USD |
| 6 | United States Treasury U.S. Treasury Notes | US91282CPW54 | 0.81% | $41.4M | Debt | United States | USD |
| 7 | United States Treasury U.S. Treasury Notes | US91282CPA35 | 0.79% | $40.6M | Debt | United States | USD |
| 8 | United States Treasury U.S. Treasury Notes | US91282CNX55 | 0.78% | $40.2M | Debt | United States | USD |
| 9 | United States Treasury U.S. Treasury Notes | US91282CNG23 | 0.75% | $38.7M | Debt | United States | USD |
| 10 | United States Treasury U.S. Treasury Notes | US91282CLR06 | 0.74% | $38.0M | Debt | United States | USD |
| 11 | United States Treasury U.S. Treasury Notes | US91282CNM90 | 0.74% | $37.9M | Debt | United States | USD |
| 12 | United States Treasury U.S. Treasury Notes | US91282CLC37 | 0.73% | $37.7M | Debt | United States | USD |
| 13 | United States Treasury U.S. Treasury Notes | US91282CKT70 | 0.65% | $33.2M | Debt | United States | USD |
| 14 | United States Treasury U.S. Treasury Notes | US91282CKX82 | 0.65% | $33.1M | Debt | United States | USD |
| 15 | United States Treasury U.S. Treasury Notes | US91282CMG32 | 0.62% | $31.9M | Debt | United States | USD |
| 16 | United States Treasury U.S. Treasury Notes | US91282CNK35 | 0.61% | $31.5M | Debt | United States | USD |
| 17 | United States Treasury U.S. Treasury Notes | US91282CPR69 | 0.61% | $31.2M | Debt | United States | USD |
| 18 | United States Treasury U.S. Treasury Notes | US91282CKG59 | 0.58% | $29.9M | Debt | United States | USD |
| 19 | United States Treasury U.S. Treasury Notes | US91282CMU26 | 0.58% | $29.8M | Debt | United States | USD |
| 20 | United States Treasury U.S. Treasury Notes | US91282CKW00 | 0.57% | $29.3M | Debt | United States | USD |
| 21 | United States Treasury U.S. Treasury Notes | US91282CPL99 | 0.57% | $29.1M | Debt | United States | USD |
| 22 | United States Treasury U.S. Treasury Notes | US91282CFL00 | 0.56% | $28.7M | Debt | United States | USD |
| 23 | United States Treasury U.S. Treasury Notes | US91282CKD29 | 0.54% | $27.7M | Debt | United States | USD |
| 24 | United States Treasury U.S. Treasury Notes | US91282CKN01 | 0.52% | $26.5M | Debt | United States | USD |
| 25 | United States Treasury U.S. Treasury Notes | US91282CMS79 | 0.51% | $26.4M | Debt | United States | USD |
Breakdowns
Sums of reported weights over every position in the report. Totals can differ from 100% because of derivatives, borrowing and cash.
Asset type
| Type | Weight | Bar |
|---|---|---|
| Debt | 92.91% | |
| Mortgage-backed securities | 4.83% | |
| Short-term investment vehicles (cash funds) | 1.56% | |
| Other asset-backed securities | 0.61% | |
| Equity (preferred) | 0.01% | |
| Equity (common) | <0.01% |
Country
| Country | Weight | Bar |
|---|---|---|
| United States | 82.76% | |
| Not stated or supranational | 2.16% | |
| Canada | 1.69% | |
| United Kingdom | 1.34% | |
| Cayman Islands | 1.22% | |
| Japan | 1.09% | |
| France | 0.83% | |
| South Korea | 0.57% | |
| Germany | 0.55% | |
| Netherlands | 0.50% | |
| Australia | 0.48% | |
| Türkiye | 0.42% | |
| Other (86) | 6.33% |
Currency exposure
| Currency | Weight | Bar |
|---|---|---|
| US dollar (USD) | 99.93% |
Sector
No sector data
Source: SEC Form N-PORT (opens in a new tab) Holdings as of
Distributions
- Paid in the last 12 months
- $2.0640
- 12-month yield
- 4.36%
- Frequency
- Monthly
- Latest ex-date
- 1 Oct 2026
12-month yield = distributions per unit with an ex-date in the last 12 months ($2.0640) ÷ latest price ($47.30) × 100 = 4.36%. It looks back, so it is not a forecast; special distributions in the window are included.
Why a distribution yield is not the fund's return: yield vs total return
Distribution history table (60 payments)
| Ex-date | Amount per unit |
|---|---|
| 1 Oct 2026 | $0.1740 |
| 1 Sep 2026 | $0.1770 |
| 3 Aug 2026 | $0.1740 |
| 1 Jul 2026 | $0.1710 |
| 1 Jun 2026 | $0.1720 |
| 1 May 2026 | $0.1720 |
| 1 Apr 2026 | $0.1750 |
| 2 Mar 2026 | $0.1660 |
| 2 Feb 2026 | $0.1720 |
| 19 Dec 2025 | $0.1700 |
| 1 Dec 2025 | $0.1690 |
| 3 Nov 2025 | $0.1720 |
| 1 Oct 2025 | $0.1680 |
| 2 Sep 2025 | $0.1710 |
| 1 Aug 2025 | $0.1700 |
| 1 Jul 2025 | $0.1680 |
| 2 Jun 2025 | $0.1710 |
| 1 May 2025 | $0.1640 |
| 1 Apr 2025 | $0.1660 |
| 3 Mar 2025 | $0.1570 |
| 3 Feb 2025 | $0.1630 |
| 18 Dec 2024 | $0.1590 |
| 2 Dec 2024 | $0.1630 |
| 1 Nov 2024 | $0.1590 |
| 1 Oct 2024 | $0.1580 |
| 3 Sep 2024 | $0.1600 |
| 1 Aug 2024 | $0.1550 |
| 1 Jul 2024 | $0.1510 |
| 3 Jun 2024 | $0.1500 |
| 1 May 2024 | $0.1460 |
| 1 Apr 2024 | $0.1500 |
| 1 Mar 2024 | $0.1400 |
| 1 Feb 2024 | $0.1400 |
| 14 Dec 2023 | $0.1460 |
| 1 Dec 2023 | $0.1340 |
| 1 Nov 2023 | $0.1300 |
| 2 Oct 2023 | $0.1240 |
| 1 Sep 2023 | $0.1150 |
| 1 Aug 2023 | $0.1160 |
| 3 Jul 2023 | $0.1160 |
| 1 Jun 2023 | $0.1120 |
| 1 May 2023 | $0.1090 |
| 3 Apr 2023 | $0.1070 |
| 1 Mar 2023 | $0.1020 |
| 1 Feb 2023 | $0.1030 |
| 15 Dec 2022 | $0.0990 |
| 1 Dec 2022 | $0.0930 |
| 1 Nov 2022 | $0.0940 |
| 3 Oct 2022 | $0.0870 |
| 1 Sep 2022 | $0.0800 |
| 1 Aug 2022 | $0.0760 |
| 1 Jul 2022 | $0.0750 |
| 1 Jun 2022 | $0.0730 |
| 2 May 2022 | $0.0680 |
| 1 Apr 2022 | $0.0660 |
| 1 Mar 2022 | $0.0600 |
| 1 Feb 2022 | $0.0640 |
| 16 Dec 2021 | $0.0580 |
| 1 Dec 2021 | $0.0880 |
| 1 Nov 2021 | $0.0650 |
Filings and sources
- Form N-PORT report for July 2026 (opens in a new tab)
- Prospectus filing with the fee table (opens in a new tab)
- All SEC filings for this fund series (S000038926) (opens in a new tab)
- Nasdaq Trader symbol directory (opens in a new tab)
- Yahoo Finance quote and distributions (opens in a new tab)
- How the ETF figures are collected
Compare with
Largest funds in the same category:
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- ISTB and JPST JPMorgan Ultra-Short Income ETF
- ISTB and USHY iShares Broad USD High Yield Corporate Bond ETF
- ISTB and IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF