# ISTB (iShares Core 1-5 Year USD Bond ETF)

iShares · Bond ETFs · Short-term bond · data as of Nov 12, 2026

ISTB returned +1.0% over the year to Nov 12, 2026, charges 0.06% a year and holds $5.3bn in net assets on Nov 12, 2026.

Promise check: Delivered. As of Jul 31, 2026, ISTB had a duration of 2.5 years against "1 to 5 years". https://etfiq.com/promise-index/bonds/

ISTB tracks an index and returned +1.0% over the past year.

## Key facts

- ISTB, total return, 1 year: +1.0%, as of Nov 12, 2026.
- ISTB, expense ratio: 0.06%, as of Feb 23, 2026.
- ISTB, holdings: 7602, as of Nov 11, 2026.
- ISTB, below its high: −0.8%, as of Nov 12, 2026.
- ISTB, 12-month yield, capital gains included, on its starting price: 4.2%, as of Nov 12, 2026.
- ISTB, last payment (paid monthly), ex-date Nov 2, 2026: $0.1777, as of Nov 2, 2026.
- ISTB, net assets: $5.3bn (ETFIQ, shares outstanding times NAV, as of Nov 12, 2026).

## ISTB over each window to Nov 12, 2026

| Window | Total return | Benchmark (IUSB) | Gap to IUSB |
| --- | --- | --- | --- |
| 1 month | +0.3% | +0.8% | −0.5 pts |
| 3 months | −0.7% | −1.6% | +0.9 pts |
| 6 months | 0.0% | −1.4% | +1.4 pts |
| Year to date | +0.4% | −1.2% | +1.6 pts |
| 1 year | +1.0% | −1.0% | +2.0 pts |
| 3 years | +14.9% | +15.1% | −0.2 pts |
| 5 years | +10.4% | +0.2% | +10.2 pts |
| 10 years | +25.0% | +20.4% | +4.6 pts |
| Since launch | +31.1% | not available | not available |
| Since launch, annualised | +1.9% | – | – |

## ISTB key stats

- 52-week high, daily closes to Nov 12, 2026: $49.02 on Feb 27, 2026 (computed by ETFIQ from Tiingo daily prices)
- 52-week low, daily closes to Nov 12, 2026: $47.10 on Oct 2, 2026 (computed by ETFIQ from Tiingo daily prices)
- Close on Nov 12, 2026, within that range: $47.21, 6% of the way from the low to the high (computed by ETFIQ from Tiingo daily prices)
- Holdings: 7602
- Top ten weight: 8.5%

## ISTB trading

- IQ Liquidity Score 93, Trades like a giant, 86th percentile of 340 bonds ETFs.
- Trades like a giant: trades at a typical spread of 0.02%.
- $1,000: at least $0.11, 0.011%, one way, half a one-cent tick.
- $10,000: at least $1.06, 0.011%, one way, half a one-cent tick.
- Full cost to own, 1 year at $10,000: 0.13%, against 0.06% for the fee alone.
- Premium to NAV at the Nov 12 close: +0.02%; 95% of days within ±0.09%.
- Limit: midpoint + 1¢ to buy, midpoint − 1¢ to sell. At the Nov 12 close of $47.21, that’s $47.22 to buy and $47.20 to sell.
- The full trading page: https://etfiq.com/funds/istb/trading/

## ISTB for holders outside the US

- US tax withheld on dividends, no treaty: 30% (<https://www.irs.gov/pub/irs-lbi/tax-treaty-table-1.pdf>)
- Treaty rates on dividends (IRS table, read Oct 30, 2026): 65 countries, 10% to 30% (<https://www.irs.gov/individuals/international-taxpayers/tax-treaty-tables>)
- ISTB interest-related and short-term gain dividends: not read by ETFIQ
- US estate tax filing threshold, non-resident holders: $60,000 (<https://www.irs.gov/instructions/i706na>)
- Share class: Distributing (<https://etfiq.com/learn/non-us-holders>)

Facts from the IRS, not tax advice.

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | Bloomberg U.S. Universal 1-5 Year Index | ETFIQ |
| Fund type | Bond fund | ETFIQ |
| Category | Bonds · Short-term bond | ETFIQ |
| Region | United States | ETFIQ |
| Expense ratio | 0.06% | 485BPOS XBRL, Feb 23, 2026 |
| Price | $47.21 | ETFIQ |
| First traded | Oct 24, 2012 | ETFIQ |
| Net assets | $5.3bn | ETFIQ, shares outstanding times NAV, as of Nov 12, 2026 |
| Benchmark | Bloomberg U.S. Universal Index, measured by IUSB, which tracks the same index | ETFIQ, from its filings |
| Benchmark named in | its shareholder report, N-CSR, Jan 6, 2026 | ETFIQ |
| Why this benchmark | No other fund tracks the Bloomberg U.S. Universal 1-5 Year Index, the index its prospectus names. Its daily returns fit IUSB at R-squared 0.83 over the year to Nov 12, 2026 (251 days), above the 0.30 floor. | ETFIQ |
| ISTB, 1 year to Nov 12, 2026 | +1.0% | ETFIQ |
| IUSB, the same days | −1.0% | ETFIQ |
| Against its benchmark, 1 year | +2.0 pts | ETFIQ |
| Below its high | −0.8% | ETFIQ |
| Holdings | 7602 | ETFIQ |
| Top ten weight | 8.5% | ETFIQ |
| Cash, not in the top ten | 7.4% | ETFIQ |
| Holdings published for | Nov 11, 2026 | the issuer’s daily file |
| Holdings as of the close of | Nov 11, 2026 | the issuer’s daily file |

## Money in and out, to Nov 11, 2026

| Window | Dates | Net flow |
| --- | --- | --- |
| 1 day | Nov 11, 2026 | $0 |
| 1 week | Nov 5, 2026 to Nov 11, 2026 | $0 |
| 1 month | Oct 12, 2026 to Nov 11, 2026 | +$80.5m |
| 3 months | Aug 12, 2026 to Nov 11, 2026 | +$279m |
| Year to date | Jan 2, 2026 to Nov 11, 2026 | +$785m |
| 1 year | Nov 12, 2025 to Nov 11, 2026 | +$834m |

Computed by ETFIQ from the change in shares outstanding times the previous day’s NAV. Every day and month: <https://etfiq.com/data/flows/funds/istb.json>. Method: https://etfiq.com/methodology/flows

## Questions

### How has ISTB performed?

Over the year to Nov 12, 2026, ISTB returned +1.0% with distributions reinvested, against −1.0% for its benchmark, the Bloomberg U.S. Universal Index. Over three years the number is +14.9%.

### What does ISTB cost?

The prospectus expense ratio is 0.06% a year.

### How far is ISTB below its high?

0.8% below its high of Aug 25, 2026, measured on the reinvested series to Nov 12, 2026.


## Cite this page

ETFIQ, ISTB, bond fund, data as of Nov 12, 2026. https://etfiq.com/funds/istb
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at <https://etfiq.com/data/>.

HTML: https://etfiq.com/funds/istb  ·  JSON: https://etfiq.com/funds/istb.json