# iShares US Aggregate Bond UCITS ETF Acc USD (IUAA)

**Page:** https://fundology.uk/fund/iuaa · ISIN IE00BYXYYM63

## At a glance

> Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.

As of 13/11/2026, IUAA (iShares US Aggregate Bond UCITS ETF Acc USD, ISIN IE00BYXYYM63) closed at $5.64 on the London Stock Exchange. Its ongoing charge is 0.25% a year (about £25 on £10,000). Over the five years to 13/11/2026 its total return was −1.6%, or −23.2% after UK CPIH inflation.

## Summary

iShares US Aggregate Bond UCITS ETF Acc USD is an exchange-traded fund (ETF) from iShares, launched in 2017. It tracks the Bloomberg US Aggregate. You buy and sell it through a share-dealing account or platform during stock-market hours, like a share. Its ongoing charge is 0.25% a year — about £25 a year on every £10,000 invested, taken from the fund's value rather than billed to you. Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.

Latest close: **$5.64** (13/11/2026).

## Key facts

| Fact | Value |
|---|---|
| Ticker (LSE) | IUAA |
| ISIN | IE00BYXYYM63 |
| Category | Corporate & other bonds |
| Type | ETF |
| Provider | iShares |
| Tracks | Bloomberg US Aggregate |
| Income | Accumulating |
| Ongoing charge | 0.25% a year (£25 per £10,000) |
| Fund size | £3.3bn |
| Launched | 2017 |
| Domicile | Ireland |
| UK reporting fund status | Yes — on HMRC’s list of reporting funds (list of 02/11/2026); reporting fund since 13/04/2017 |

## Past returns (periods to 13/11/2026)

After the fund's ongoing charges. "Income reinvested" is total return; "price only" leaves out income paid out. Real returns are after UK CPIH inflation.

| Window | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 1 year | -0.91% | -4.42% | income reinvested |
| 3 years | +5.41% | -4.76% | income reinvested |
| 5 years | -1.58% | -23.18% | income reinvested |

Returns: as reported (delayed data). Inflation: UK CPIH, latest month published.

## Calendar-year returns

Calendar-year returns of iShares US Aggregate Bond UCITS ETF Acc USD in pounds (price, with income reinvested in the fund): 2022 −2.3%, 2023 −0.8%, 2024 +3.7%, 2025 −1.4%; 2026 to 13/11/2026 +0.2%. Returns of iShares US Aggregate Bond UCITS ETF Acc USD in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: −1.1%; to 30/09/2025: +2.4%; to 30/09/2024: +1.8%; to 30/09/2023: −9.8%; to 30/09/2022: +5.0%.

| Year | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 2022 | -2.3% | -10.6% | Price |
| 2023 | -0.8% | -4.8% | Price |
| 2024 | +3.7% | +0.2% | Price |
| 2025 | -1.4% | -4.8% | Price |
| 2026 to 13/11/2026 | +0.2% | -3.0% | Price |

## Risk metrics

| Window | Volatility | Max drawdown |
|---|---|---|
| 1 year | 6.05% | -4.65% |
| 3 years | 7.27% | -8.51% |
| 5 years | 7.81% | -12.66% |

## Largest fall

Volatility of iShares US Aggregate Bond UCITS ETF Acc USD in pounds, annualised from weekly returns to 13/11/2026: 6.1% over 1 year, 7.3% over 3 years, 7.8% over 5 years. Largest fall in the price of iShares US Aggregate Bond UCITS ETF Acc USD since November 2021, in pounds: −12.7% from 30/09/2022 to 14/07/2023. The lowest 12-month return of iShares US Aggregate Bond UCITS ETF Acc USD in pounds (price, with income reinvested in the fund) since January 2021 was −11.1% (12 months to 14/07/2023); the highest was +8.4% (12 months to 26/06/2026). On 13/11/2026 the price of iShares US Aggregate Bond UCITS ETF Acc USD was 5.2% below its highest weekly close since November 2021 (30/09/2022), in pounds.

## Charges compared with similar funds

Ongoing charge of iShares US Aggregate Bond UCITS ETF Acc USD 0.25% a year. Compared on 14/11/2026, 178 of the 427 other corporate and other bond funds charge more, 40 the same and 209 less (share classes counted once).

## Funds tracking the same index

5 funds track Bloomberg US Aggregate, this one included and share classes counted once; their ongoing charges range from 0.17% to 0.30% a year (13/11/2026).

| Fund | Ongoing charge | 1 year | 3 years | 5 years |
|---|---|---|---|---|
| iShares US Aggregate Bond UCITS ETF | 0.30% | -0.7% | +12.7% | -5.7% |
| iShares US Aggregate Bond UCITS ETF Acc EUR | 0.30% | -7.4% | +3.0% | -14.5% |
| iShares US Aggregate Bond UCITS ETF Acc USD (this fund) | 0.25% | -0.9% | +5.4% | -1.6% |
| iShares US Aggregate Bond UCITS ETF USD | 0.25% | -1.8% | +4.3% | -1.2% |
| State Street SPDR Bloomberg U.S. Aggregate Bond UCITS ETF USD | 0.17% | -1.7% | +3.8% | -1.4% |

Returns are as reported, in pounds, income reinvested unless marked "(price)".

## Charges & eligibility

- Ongoing charges figure (OCF): **0.25%** per year
- Stocks and shares ISA eligible: usually (check with your platform)
- SIPP eligible: usually (check with your provider)
- ISA and SIPP mean the kind of product usually qualifies under HMRC rules. We do not check each platform’s list — each provider decides which funds it offers. Crypto ETNs have not qualified for a stocks and shares ISA since 06/04/2026, and overseas funds that are not UK-recognised UCITS, such as Swiss ETFs, do not usually qualify.

## What it holds

As of 06/11/2026, IUAA holds 10,290 positions, according to its published holdings. The largest is Blk Ics USD Leaf Agency Dist at 3.81% of the fund; the ten largest make up 9.3%.

### Top holdings

Largest positions (as of 06/11/2026), as a percentage of the whole fund:

| # | Holding | Ticker | Weight |
|---|---|---|---|
| 1 | Blk Ics USD Leaf Agency Dist | — | 3.81% |
| 2 | Fnma 30YR Umbs 2.00% 01/07/2051 | — | 1.29% |
| 3 | Fhlmc 30YR Umbs Super 2.50% 01/04/2051 | — | 0.79% |
| 4 | Fnma 30YR Umbs 2.00% 01/02/2052 | — | 0.74% |
| 5 | GNMA2 30YR 2021 Production 2.50% 20/02/2051 | — | 0.58% |
| 6 | GNMA2 30YR 2021 Production 2.00% 20/10/2051 | — | 0.44% |
| 7 | Treasury Note 4.25% 15/11/2034 | — | 0.41% |
| 8 | Treasury Note 4.00% 15/11/2035 | — | 0.40% |
| 9 | Treasury Note 4.25% 15/05/2035 | — | 0.40% |
| 10 | Treasury Note 4.38% 15/05/2034 | — | 0.40% |

## Where it invests

Shares of the whole fund. Bonds, cash and positions without a classification are shown as they come, not guessed.

### By sector

As published for the fund, as of 06/11/2026.

| Sector | Weight |
|---|---|
| Treasury | 48.3% |
| MBS Pass-Through | 23.1% |
| Industrial | 14.2% |
| Financial Institutions | 7.8% |
| Utility | 2.4% |
| Sovereign | 1.2% |
| Supranational | 1.1% |
| Local Authority | 0.7% |
| Other sectors | 1.1% |

### By type of asset

Added up from the fund’s published holdings, as of 06/11/2026.

| Type of asset | Weight |
|---|---|
| Bonds | 96.3% |
| Cash and money market | 3.7% |

The 1,815 holdings on record (of 10,290 reported): https://fundology.uk/fund/iuaa/holdings

## Questions people ask

**What is the ongoing charge of IUAA?**

The ongoing charge of IUAA is 0.25% a year — about £25 a year on every £10,000 invested, taken from the fund’s value rather than billed to you. Platform and dealing fees are charged separately. Ongoing charge of iShares US Aggregate Bond UCITS ETF Acc USD 0.25% a year. Compared on 14/11/2026, 178 of the 427 other corporate and other bond funds charge more, 40 the same and 209 less (share classes counted once).

**What does IUAA track?**

IUAA tracks the Bloomberg US Aggregate.

**Is IUAA accumulating or distributing?**

IUAA is accumulating: income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.

**What is the ISIN of IUAA?**

The ISIN of IUAA is IE00BYXYYM63. An ISIN identifies one exact share class of a fund; IUAA is its ticker on the London Stock Exchange.

**What does IUAA hold?**

As of 06/11/2026, IUAA holds 10,290 positions, according to its published holdings. The largest is Blk Ics USD Leaf Agency Dist at 3.81% of the fund; the ten largest make up 9.3%. Its ten largest holdings are Blk Ics USD Leaf Agency Dist (3.81%), Fnma 30YR Umbs 2.00% 01/07/2051 (1.29%), Fhlmc 30YR Umbs Super 2.50% 01/04/2051 (0.79%), Fnma 30YR Umbs 2.00% 01/02/2052 (0.74%), GNMA2 30YR 2021 Production 2.50% 20/02/2051 (0.58%), GNMA2 30YR 2021 Production 2.00% 20/10/2051 (0.44%), Treasury Note 4.25% 15/11/2034 (0.41%), Treasury Note 4.00% 15/11/2035 (0.40%), Treasury Note 4.25% 15/05/2035 (0.40%) and Treasury Note 4.38% 15/05/2034 (0.40%).

**What were IUAA’s returns in each of the last five years?**

Calendar-year returns of IUAA in pounds (price, with income reinvested in the fund): 2022 −2.3%, 2023 −0.8%, 2024 +3.7%, 2025 −1.4%; 2026 to 13/11/2026 +0.2%. Past performance is not a guide to future returns.

**How has IUAA done after inflation?**

Over the five years to 13/11/2026 IUAA’s total return was −1.6%, or −23.2% after UK CPIH inflation. Past performance is not a guide to future returns.

## Fund documents

- [Fund page at iShares](https://www.ishares.com/uk/individual/en/products/287339/ishares-us-aggregate-bond-ucits-etf)
- [Key investor information document (KIID)](https://www.ishares.com/gls-download/literature/kiid/ucits_kiid-ishares-us-aggregate-bond-ucits-etf-usd-acc-gb-ie00byxyym63-en.pdf)
- [Factsheet](https://www.ishares.com/gls-download/literature/fact-sheet/iuaa-ishares-us-aggregate-bond-ucits-etf-fund-fact-sheet-en-gb.pdf)
- Links checked 12/10/2026.

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Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.