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iShares $ Ultrashort Bond UCITS ETF

iShares · IE00BMWB9302

iShares $ Ultrashort Bond UCITS ETF is an exchange-traded fund (ETF) from iShares, traded under the ticker ERNMX (ISIN IE00BMWB9302). In a single purchase you get a diversified basket of holdings rather than a stake in just one business. In plain terms it is about lending to governments and companies in return for regular interest, which tends to be steadier than shares but grows more slowly, spread across its target market. Its largest holdings include BLK ICS USD LEAF AGENCY DIST, MICROSOFT CORPORATION and T-MOBILE USA INC. With about 905 holdings (the ten largest ≈ 7.8%), your money is diversified rather than concentrated in a handful of names. By geography it is weighted towards ~66.2% United States, ~6.7% Canada and ~4.5% Australia. By industry it concentrates most in ~43.2% Financials and ~12.4% Consumer Discretionary. Funds like this are often used as the steadier, lower-swing part of a portfolio — the ballast that cushions the ups and downs of shares. Its ongoing charge (TER) is 0.12% a year — about €12 a year on a €10,000 holding, taken automatically from the fund. It is an accumulating share class: dividends are rolled straight back in, compounding your returns rather than landing in your account as cash. It holds the underlying investments directly (physical replication); it is domiciled in Ireland and UCITS-regulated, a European standard built to protect everyday investors and trades in MXN. Its price has swung about 12.2% over the past year — a gauge of how much the value moves, not a judgement of quality. It launched in 2020. Like any investment, it can lose value as well as gain, and what it did before does not predict what it will do next. (Fund data sourced from iShares.)

Bond ?Accumulating ?Physical ?Ireland ?
Low yearly feeReinvests dividendsOwns the shares directlyOther
Fund size (AUM) ?
€128.2M
1-year return ?
+12.8%
Total return · to 2026-06-09
Yearly fee (TER) ?
0.12%
All-in cost ≈ 0.00%

About this fund

What you own

By holding it, this fund gives you a stake in around 905 companies across Other in a single purchase.

Dividends

The fund automatically reinvests dividends back into itself, so your holding grows without cash payouts.

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Rolling the dividends straight back in means your money compounds automatically, with nothing for you to reinvest by hand. The flip side is there is no cash income; the growth simply shows up as a higher fund value. Note that reinvested dividends can still be taxable in some countries even though you never receive the cash — the rules depend on where you live.

How it works

The fund actually buys every share in the index it tracks (full replication).

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Owning every holding keeps things transparent — what is in the index is what the fund actually owns. It can be a touch costlier to run for indexes with thousands of tiny positions, since the fund has to buy and maintain them all. There is no swap bank involved, so there is no extra “what if the partner fails” question to weigh.

Cost

0.12%Yearly fee (TER)
0.00%All-in cost

The yearly running cost of the fund, shown as a % of your money. €0.20 per €100 a year at 0.20%. Lower is cheaper.

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It is skimmed quietly from inside the fund a little each day, so you never get a bill — but it drags on your return every year you hold. On a broad index ETF it is usually a small fraction of a percent; the gap between a cheap and a pricey fund looks tiny on day one but compounds over decades, which is why it is worth a glance.

Fund facts

Replication ?
Physical
Full — buys every share
Regulation ?
UCITS
Yes
Launched
Dec 2020
6-year track record

Bond details

Duration ?
Ultra-short
Inflation-linked ?
No — nominal (fixed) payouts

Performance

95.2113130147164202220232026

Growth of MXN100 invested — the line starts at MXN100.

iShares $ Ultrashort Bond UCITS ETF

End-of-day prices, rebased to a common start so the shapes are comparable. Past performance does not predict future results.

YTD+5.0%
1 year+12.8%
3 years+11.1%

Return, year by year

+24.8
+6.0
+15.1
+5.0
'23'24'25'26
4 of 4 up yearsBest: 2023 +24.8%Worst: 2026 +5.0%Calendar-year total returns, in MXN

How bumpy has it been?

12.2%
Volatility (1y) ?
How much the price swings year to year — lower is calmer.
-0.2%
Worst drop (3y) ?
The biggest fall from a peak over the last three years.

What's inside

By sector ?

Financials43.2%
Consumer Discretionary12.4%
Consumer Staples12.1%
Technology8.9%
Industrials7.4%
Energy4.5%
Utilities3.5%
Communication Services3.3%

By country ?

USUnited States66.2%
CACanada6.7%
AUAustralia4.5%
DEGermany3.6%
GBUnited Kingdom3.6%
JPJapan3.5%
Other / not shown12.1%

The 9 biggest holdings make up 6.8% of the fund.

Top 10 holdings

#CompanyWeight
1BLK ICS USD LEAF AGENCY DIST3.2%
3T-MOBILE USA INC0.5%
4MICROSOFT CORPORATION0.5%
5ABBVIE INC0.5%
6AERCAP IRELAND CAPITAL DAC0.5%
7WELLS FARGO & COMPANY0.4%
8GOLDMAN SACHS GROUP INC/THE0.4%
9MORGAN STANLEY0.4%
10ORACLE CORPORATION0.4%

Where to buy this fund

Where it trades

ExchangeTickerCurrency
IXERNMXMXN★ Primary
MXN listings
B3ERNMXMXN
E1ERNMXMXNMXN
EBERNMXMXN
EPERNMXMXNMXN
EUERNMXMXNMXN
EZERNMXMXNMXN
L1ERNMXMXN
L3ERNMXMXN
London Stock ExchangeERNMXMXN
MFERNMXNMXN
MMERNMXNMXN
MUERNMXNMXN
POERNMXMXN
X1ERNMXMXNMXN
X2ERNMXMXNMXN
XAERNMXMXNMXN
XEERNMXMXNMXN
XFERNMXMXNMXN
XGERNMXMXNMXN
XHERNMXMXNMXN
XJERNMXMXNMXN
XLERNMXMXNMXN
XOERNMXMXNMXN
XQERNMXMXNMXN
XSERNMXMXNMXN
XUERNMXMXNMXN
XVERNMXMXNMXN
XWERNMXMXNMXN
XXERNMXMXNMXN
XZERNMXMXNMXN
For serious comparison — full data holdings, percentiles, advanced risk, tilt, flows

How it ranks vs peers

🪙 Cheaper than 69% of similar ETFs📈 Higher 1-yr return than 90%📈 Higher 3-yr return than 80%📊 Beat its category by 4.2% (1-yr) (category average +8.6%)📊 Beat its category by 1.7% (3-yr) (category average +9.4%)

Versus the Bonds · Other · MXN ETFs we track.

Advanced risk

10.90
Sortino (3y) ?
52.67
Calmar (3y) ?
0.6%
Downside deviation ?
100%
Up months (hit rate) ?
MXN 8,073.41
52-week high ?
MXN 7,531.50
52-week low ?

Concentration depth

~371 ?
Effective number of holdings

Roughly 905 companies are held, but the largest names carry most of the weight — so it behaves like ~371 equal-sized positions.

Similar funds

We found 6 funds that do much the same job as this one. To pick them we matched this fund's asset class and region, then show how close each match is below.

Matched on🌍 Other bonds
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Why it's similarThis is the fund on this page.
BondsPhysical
BondsPhysicalCheaper fee
BondsAccumulatingPhysicalCheaper fee
BondsAccumulatingPhysicalCheaper fee
BondsAccumulatingPhysicalCheaper fee
BondsAccumulatingPhysicalCheaper fee
Index trackedS&P High Yield Dividend Aristocrats Index
Yearly fee (TER)0.12%0.35%0.11%0.10%0.09%0.10%0.10%
All-in cost0.00%0.00%0.11%0.10%0.00%0.10%0.00%
Fund size€128.2M€19B€16.4B€14.8B€14.2B€12.8B€12.5B
DomicileIrelandUnited StatesIrelandIrelandIrelandIrelandIreland
ReplicationPhysical (full)Physical (full)Physical (full)Physical (full)Physical (full)Physical (full)Physical (full)
3-yr return p.a.+11.1%+7.0%+5.6%+4.8%+2.5%
5-yr return p.a.+4.8%+0.9%+0.2%+0.0%
# holdings9051584,156974,1569397

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Data as of 2026-06-09 · Source: issuer data, compiled by Finance Hamster

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