ETF · iShares
IUAA iShares US Aggregate Bond UCITS ETF Acc USD
ISIN IE00BYXYYM63London Stock Exchange: IUAABlackRock, Inc.
- Corporate & other bonds
- ETF
- ISA
- SIPP
- Accumulating
Latest close
LSE$5.64
on
- Ongoing charge
- 0.25% a year
- Fund size
- £3.3bn
As of , at least 15 min delayed
At a glance
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.
Past returns
- 1 year to 13/11/2026
- −0.9%
- −4.4% after inflation (UK CPIH)
- 3 years to 13/11/2026
- +5.4%
- −4.8% after inflation (UK CPIH)
- 5 years to 13/11/2026
- −1.6%
- −23.2% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £984 on 13/11/2026 — about £768 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: as reported (delayed data). Inflation: UK CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month 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 inflation | Return shown as a bar |
|---|---|---|---|
| to | +0.2% | −3.0% | |
| to | −1.4% | −4.8% | |
| to | +3.7% | +0.2% | |
| −0.8% | −4.8% | ||
| −2.3% | −10.6% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | −1.1% | −4.6% |
| from | +2.4% | −1.6% |
| from | +1.8% | −0.7% |
| from | −9.8% | −15.3% |
| from | +5.0% | −3.5% |
As of , inflation: UK CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
7.8%over 5 years
| 1 year | 6.1% |
|---|---|
| 3 years | 7.3% |
| 5 years | 7.8% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since November 2021
- −12.7%
- From to
- Lowest 12-month return
- −11.1%
- 12 months to
- Highest 12-month return
- +8.4%
- 12 months to
- Below its highest weekly close since November 2021
- 5.2%
- High of , latest
In words: 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.
As of , price, with income reinvested in the fund
How we work it out:Risk figuresFallsVolatilityLargest fall
Charges compared with similar funds
- Ongoing charge
- 0.25%
- a year
- On £10,000
- £25
- a year, roughly
- Over five years
- £124
- of £10,000, before growth
- 209 charge less
- 40 the same
- 178 charge more
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).
As of
A lower charge is not a promise of a higher return: what the fund holds matters more.
Read more:Ongoing charge (OCF)OCF and TERFee dragHow charges add up
In plain English
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.
Corporate & other bonds: Loans to companies and other borrowers, which usually pay more interest than government bonds in exchange for more risk.
Terms:ETFIndex fundUCITSAccumulating or incomeShare classISIN
Key facts
- Ticker
- IUAA
- ISIN
- IE00BYXYYM63
- Provider
- iShares
- Tracks
- Bloomberg US Aggregate
- Structure
- ETF
- An exchange-traded fund: bought and sold on the stock exchange through the day, like a share.
- Income
- Accumulating
- Income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
- Ongoing charge
- 0.25% a year · about £25 on £10,000
- Fund size
- £3.3bn
- Launched
- Domicile
- Ireland
- UK reporting fund status
- Yes — on HMRC’s list of reporting funds (list of )
- Reporting fund since . What reporting fund status means
- Can usually be held in
- ISA and SIPP
- Check with your platform: each decides which funds it offers.
- Currency hedged
- No
- Price currency
- USD
- Category
- Corporate & other bonds
Price chart
Over the last year, the closing price went from $5.70 on 14/11/2025 to $5.64 on 13/11/2026 (−1.0%). The lowest close shown was $5.57 on 09/10/2026 and the highest $5.84 on 27/02/2026.
One close a week. Before 31/07/2026 the closes are from the weekly price history for this listing; from then on, the closing prices we have recorded.
As of , at least 15 min delayed
Five years of prices, and after inflation
262 weekly closes, from 12/11/2021 to 13/11/2026. The same history in November 2026 pounds, adjusted with CPIH inflation.
Create a free account to see the 5-year price chart and the after-inflation chart
Sign-up takes an email address. There is no card to enter and nothing to pay.
How we work it out:Prices and returnsNAV and price
What it holds
- Holdings
- 1,815
- 10,290 reported in all
- Ten largest
- 9.3%
- of the whole fund
- Effective number of holdings
- 251
- As concentrated as this many equal-sized holdings (how it is worked out)
- Largest holding
- 3.8%
- Blk Ics USD Leaf Agency Dist
Top 10 holdings
| Rank# | Holding | Weight as a percentage of the fund |
|---|---|---|
| 1 | Blk Ics USD Leaf Agency DistCash and derivatives | 3.81% |
| 2 | Fnma 30YR Umbs 2.00% 01/07/2051MBS Pass-Through | 1.29% |
| 3 | Fhlmc 30YR Umbs Super 2.50% 01/04/2051MBS Pass-Through | 0.79% |
| 4 | Fnma 30YR Umbs 2.00% 01/02/2052MBS Pass-Through | 0.74% |
| 5 | GNMA2 30YR 2021 Production 2.50% 20/02/2051MBS Pass-Through | 0.58% |
| 6 | GNMA2 30YR 2021 Production 2.00% 20/10/2051MBS Pass-Through | 0.44% |
| 7 | Treasury Note 4.25% 15/11/2034Treasury | 0.41% |
| 8 | Treasury Note 4.00% 15/11/2035Treasury | 0.40% |
| 9 | Treasury Note 4.25% 15/05/2035Treasury | 0.40% |
| 10 | Treasury Note 4.38% 15/05/2034Treasury | 0.40% |
As of , holdings as published
Where it invests
The portfolio by sector, country and type of asset, as a share of the whole fund. Bonds, cash and positions without a classification are shown as they come, not guessed.
By sector
- Treasury48.3%
- MBS Pass-Through23.1%
- Industrial14.2%
- Financial Institutions7.8%
- Utility2.4%
- Sovereign1.2%
- Supranational1.1%
- Local Authority0.7%
- Other sectors1.1%
By type of asset
- Bonds96.3%
- Cash and money market3.7%
See the full portfolio
Every holding with search and filters, the whole breakdown by sector, country and type of asset, a map of the 100 largest and what changed since .
More of the portfolio
The fund publishes 10,290 holdings; the ten largest make up 9.3% of it. The fund's portfolio is also split by currency, maturity and credit quality.
Create a free account to see the full holdings list and the currency, maturity and credit-quality breakdowns
Sign-up takes an email address. There is no card to enter and nothing to pay.
Holdings:Compare what it holds with another fundHoldings overlapHow overlap is measured
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 | Charge | 1 year | 3 years | 5 years |
|---|---|---|---|---|
| iShares US Aggregate Bond UCITS ETFDistributing · Currency hedged · 0.30% a year | 0.30% | −0.7% | +12.7% | −5.7% |
| iShares US Aggregate Bond UCITS ETF Acc EURAccumulating · 0.30% a year | 0.30% | −7.4% | +3.0% | −14.5% |
| iShares US Aggregate Bond UCITS ETF Acc USDThis fundAccumulating · 0.25% a year | 0.25% | −0.9% | +5.4% | −1.6% |
| iShares US Aggregate Bond UCITS ETF USDDistributing · 0.25% a year | 0.25% | −1.8% | +4.3% | −1.2% |
| State Street SPDR Bloomberg U.S. Aggregate Bond UCITS ETF USDDistributing · 0.17% a year | 0.17% | −1.7% | +3.8% | −1.4% |
As of
Bloomberg US Aggregate funds compared: charges, sizes and share classes
Read more:Index fundsTracking differenceHow funds are compared
Other versions of this fund
- iShares US Aggregate Bond UCITS ETFDistributing · Currency hedged · 0.30% a year · IE00BDFGJ841
- iShares US Aggregate Bond UCITS ETF Acc EURAccumulating · 0.30% a year · IE00BDFJYM28
- iShares US Aggregate Bond UCITS ETF USDDistributing · 0.25% a year · IE00B44CGS96
Read more:Share classesAccumulating or incomeCurrency hedging
Risk and return in depth
Sharpe, Sortino and Calmar ratios
Sharpe, Sortino and Calmar ratios over 1, 3 and 5 years, from weekly returns in pounds.
With a free accountRolling returns
The full range of 254 rolling 12-month returns since January 2021, and of 150 rolling three-year returns, in pounds, with how often they were above zero.
With a free accountLargest falls and recoveries
The 3 largest falls since November 2021, in pounds, with how many weeks each took to reach its low and to recover.
With a free account
Create a free account to see the risk ratios, every rolling return and each large fall and its recovery
Sign-up takes an email address. There is no card to enter and nothing to pay.
Moves compared with a similar fund
Correlation and beta of weekly returns in pounds against iShares Core UK Gilts UCITS ETF, over the three years to 13/11/2026 (156 weeks).
Pro
Pro — currently by invitation
Pro includes moves against a comparable fund
Pro is open by invitation while it is being built. There is nothing to buy. To ask about access, email [email protected].
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.
Similar funds
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- USC5State Street SPDR Bloomberg 1-5 Year U.S. Corporate Bond UCITS ETF Accum USD0.11% a year · £4.4bn
- SHYGiShares Euro High Yield Corp Bond UCITS ETF EUR0.50% a year · £4.4bn
- LQDAiShares USD Corp Bond UCITS ETF Acc0.20% a year · £4.1bn
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- ECRPAmundi EUR Corporate Bond ESG UCITS ETF DR- Capitalisation0.19% a year · £3.6bn
- SUOEiShares Euro Corp Bond ESG SRI UCITS ETF Shs EUR0.14% a year · £3.3bn
Fund documents and methods
- Fund documents
- Fund page at iShares · Key investor information document (KIID) · Factsheet (links checked )
Methodology:ReturnsCategoriesAll methods
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