SXRT

Overview

iShares US Dollar Bond 0-3m UCITS ETF USD (Acc) (SXRT) tracks the ICE BofA 0-3 Month US Treasury Bill index and holds its constituents directly, a physical replication managed by iShares. Dividends are reinvested inside the fund rather than paid out, so SXRT suits investors building a position over time. The fund is domiciled in IE, which determines the withholding tax treatment applied to its dividends. Annual charges come to 0.09% of assets, and the fund holds 7.7B under management. Over five years the fund returned 11.0% a year on average, against 18.4% over three years. It is not eligible for the French PEA, but can be held in a securities account, a UK ISA or a German Depot. Its risk level is rated low. Launched on 2022-07-11, the fund is denominated in USD and has 4 years of track record. It is a UCITS fund, so it follows the European framework on diversification, liquidity and asset segregation. Because SXRT accumulates, nothing is taxed while the shares are held: the charge falls on disposal, against your capital gains allowance in a general account, and not at all inside an ISA or a SIPP. Domicile in IE sets the withholding the fund itself suffers on the dividends it receives, a cost absent from the stated fee but present in the return.

Ongoing charges of 0.09% place this fund 2th of 8 comparable funds, whose median is 0.10%. On £10,000 that costs about 9 a year and 90 over ten years at a constant amount, deducted daily and never visible on a statement: it shows up in the gap between the fund's return and its index's. At this level, neither low enough to be an argument nor high enough to be an obstacle, the decision rests elsewhere: on the index tracked, on the distribution policy, and on what your broker charges to buy.

Replication is physical: the fund actually holds the constituents of ICE BofA 0-3 Month US Treasury Bill, which makes its contents verifiable line by line in the issuer's report. Two points deserve attention. Securities lending first, practised by most physical funds to reduce costs: it earns a few hundredths of a point and creates an exposure to the borrower, covered by collateral, with the annual report stating the proportion lent. Rebalancing second: every change in the index's composition forces the fund to buy and sell, and those internal costs are not in the 0.09% headline. That is why two funds at the same price do not track their index with the same fidelity.

The domicile, Ireland, is not an administrative detail: it determines the withholding tax the fund suffers on the dividends it receives, and that loss appears in no fee table. On US equities, the Ireland-US treaty cuts withholding from thirty to fifteen per cent, which on a world index is mechanically worth several tenths of a point a year and explains Irish dominance of this segment. For the holder, the UCITS framework also brings the key information document in their own language, diversification rules, and separation of the fund's assets from the issuer's.

Income is accumulated: dividends from the holdings are reinvested inside the fund rather than paid out. In a taxable account that defers taxation to the moment of sale instead of triggering it annually, leaving the whole return at work, and that is the main advantage of this share class. Two qualifications go with it. A holder who needs income has to sell units to obtain it, which is one more decision to take and sometimes at a bad moment. And the deferral is not universal: some countries tax a notional annual return whatever the distribution policy, in which case the accumulating class changes nothing.

With 7.7 billion in assets and 4 years of history, this fund has the size and the record that make closure unlikely and the spread narrow. Three checks remain, once a year, none of which depends on the market. The ongoing charge, which an issuer revises without notice and whose gap to a competitor can invert. The tracking difference, the only figure that says whether replication stays faithful. And the methodology of ICE BofA 0-3 Month US Treasury Bill, which can change its selection or weighting rules without the fund's name moving, in which case what you hold has changed with nothing to announce it.

ICE BofA 0-3 Month US Treasury Bill tracks government debt, and the price driver is not a company's profit but the interest rate: when rates rise, the value of bonds already issued falls, the more so the further away their maturity. What matters on this fund is therefore not past return but duration, which says how much the value moves per point of rate, and yield to maturity, which says what the portfolio earns if nothing is sold. Default risk is secondary here; interest rate risk is the substance.

Over one year the fund shows 10.8% and over five years 11.0% annualised, two figures close together, which is the most ordinary and least informative configuration: it does not say the fund is steady, only that the chosen start and end points resemble each other. Comparing these figures with another fund means something only if the index is the same; otherwise it is an index comparison dressed as a fund comparison.

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