BlackRock iShares $ Ultrashort Bond UCITS ETF is a passive bond ETF from BlackRock, ISIN IE00BMWB9302.
Passive
Bond
Global
Fund size (GBP) £1.9B
The Share Class is a share class of a Fund which aims to achieve a return on your investment, through a combination of capital growth and income on the Fund’s assets, which reflects the return of the Markit iBoxx USD Liquid Investment Grade Ultrashort Index, the Fund’s benchmark index (Index). The Share Class, via the Fund, aims to invest so far as possible and practicable in the fixed income (FI) securities (such as bonds) that make up the Index and comply with its credit rating requirements. If the credit ratings of the FI securities are downgraded, the Fund may continue to hold these until they cease to form part of the Index and it is practicable to sell the position. The Index measures the performance of US Dollar denominated investment grade ultrashort FI securities. The FI securities included in the Index are corporate fixed rate FI securities maturing between 0 and 1 year and corporate floating rate FI securities with a time to maturity between 0 and 3 years. The FI securities will, at the time of inclusion in the Index, have an average rating of investment grade (i.e. meet a specified level of creditworthiness) by Fitch, Moody’s and Standard & Poor’s Ratings Services. The Index uses a market-value weighted methodology with a cap on each issuer of 3%. These may include the strategic selection of certain securities that make up the Index or other FI securities which provide similar performance to certain constituent securities.
How the fund has returned, and where it ranks among peers. Returns to Sep 2026 end, GBP net total return.
+10.6%Q1
1 year return
+17.7%Q1
3 year return
+84.1%Q1
5 year return
Chart type
Compare with
Show
Daily NAV, percent change from the start of the range. Source: FE fundinfo.
1 month−2.9%
3 months−1.4%
Volatility, 3 years10.5%
Ongoing charge (OCF)
Fund size (GBP)£1.9B
What the fund holds
Where the money is: sectors, countries and largest holdings. As supplied by FE fundinfo, last updated 21 Sep 2026. Swipe or use the arrows for more panels.
By sector
Spot concentrations at a glance. Share of the fund's portfolio, as supplied by FE fundinfo, last updated 21 Sep 2026.
Banks32.1%
Cyclical Consumer Goods12.5%
Non-Cyclical Consumer Goods11.4%
See all sectorsA free account shows the full list.
By country
Spot concentrations at a glance. Share of the fund's portfolio, as supplied by FE fundinfo, last updated 21 Sep 2026.
USA64.4%
Canada6.5%
Australia4.5%
See all countriesA free account shows the full list.
By asset class
Spot concentrations at a glance. Share of the fund's portfolio, as supplied by FE fundinfo, last updated 21 Sep 2026.
US Fixed Interest64.4%
Canadian Fixed Interest6.5%
Australian Fixed Interest4.5%
See all asset classesA free account shows the full list.
Largest holdings
The biggest positions, and how concentrated the fund is. As supplied by FE fundinfo, last updated 21 Sep 2026.
1. MICROSOFT CORPORATION 3.3% BDS 06/02/27 USD20000.6%
2. T-MOBILE USA, INC. 3.75% BDS 15/04/27 USD20000.5%
3. ABBVIE INC. 2.95% BDS 21/11/26 USD 20000.5%
4. AERCAP IRELAND CAPITAL DESIGNATED ACTIVITY COMPANY 2.45% BDS 29/10/26 USD1500000.4%
5. WELLS FARGO & COMPANY 3% BDS 23/10/26 USD10000.4%
See all holdingsA free account shows the full list.
Macro events and this fund
Recent events linked to this fund by its country and sector exposure, and how it moved after. A measured move, not a cause.
Performance, risk and facts
Judge return, risk and cost before a client conversation. Relative return uses the chart's time range. Facts as reported by the manager.
Against its benchmark
How the fund compares with its benchmark over the same period.
Risk
How bumpy the ride has been, plus the regulatory risk rating.
Volatility, 3 years10.5%
Scale 0 to 40%
Sharpe ratio, 3 years (FE)10.73
Scale −1 to 3
Largest fall from a peak (maximum drawdown), 3 years
−17.6%
Alpha, 3 years (FE)
10.06
Beta, 3 years (FE)
0.10
Volatility and maximum drawdown: calculated by Funds Benchmark, as at 30 Sep 2026.
Sharpe, alpha, beta: FE fundinfo, as at 5 Jul 2026.
Regulatory risk rating (SRRI)2 of 7
Fund facts
Legal and cost facts for a client note. As reported by the manager.
ISIN
IE00BMWB9302
Fund manager
BlackRock Asset Management Ireland Ltd
Management company
BlackRock Asset Management Ireland Limited
Depositary
State Street Fund Services (Ireland) Limited
Benchmark
Markit iBoxx USD Liquid Investment Grade Ultrashort Index
Ongoing charge
Share class launch date
15 Dec 2020
Domicile
IE
Fund type
open-ended fund
SRRI
2 of 7
What a sum would have become
What an amount would have grown to over the period.
n/a
Past performance is not a reliable guide to future returns. Capital is at risk. Source: FE fundinfo. Returns are GBP net total return to month end unless stated. Headline returns to Sep 2026. Fund size is shown in GBP.
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