Index
Funds that track the S&P Mid Cap 400
2 UK-listed funds Fundology covers track the S&P Mid Cap 400. Each has an ongoing charge of 0.30% a year, as of 09/10/2026.
At a glance
- Funds
- 2
- Providers
- 1
- Ongoing charges
- 0.30%
- Accumulating · distributing
- 1 · 1
The lowest ongoing charge among the 2 S&P Mid Cap 400 funds Fundology tracks is 0.30% a year (SPX4 and US4D), as of 09/10/2026. A lower charge does not guarantee a better return.
1 accumulate their income and 1 pay it out. Each fund is listed once, by one share class; its other share classes are on its own page.
By fund size, the 2 largest are SPX4 (£3.4bn) and US4D (£12.5m), as reported on 09/10/2026. Size shows how widely a fund is held, not how it will perform.
All are funds from SPDR (2).
Terms:Index fundsOngoing charges figureTracking differenceAccumulating or incomeCurrency hedging
Past returns, side by side
Over the year to 09/10/2026, total returns with income reinvested ranged from +12.4% (US4D) to +13.4% (SPX4); the median of 2 funds was +12.9%.
| Period | Funds | Lowest | Median | Highest |
|---|---|---|---|---|
| 1 yearIncome reinvested · to | 2 | +12.4% US4D | +12.9% | +13.4% SPX4 |
Source: TradingView reported returns, and Fundology’s own from daily closes where none is reported, as of
How we work it out:ReturnsReturns after inflationTotal return
Funds that track the S&P Mid Cap 400 (2)
All 2 funds that track the S&P Mid Cap 400, one share class each, listed by name. An order is not a ranking of quality.
| Fund | Charge | Size | 1 year | 3 years | 5 years | 5 years after inflation |
|---|---|---|---|---|---|---|
| SPX4 State Street SPDR S&P 400 US Mid Cap UCITS ETFAccumulating | 0.30% | £3.4bn | +13.4% | +39.5% | +45.8% | +14.0% |
| US4D State Street SPDR S&P 400 US Mid Cap UCITS ETF - USDDistributing | 0.30% | £12.5m | +12.4% | Not reported | Not reported | Not reported |
Source: TradingView (returns, size and most charges), fund issuers (some charges), ONS CPIH (inflation), as of , at least 15 min delayed
Questions people ask
How many UK funds track the S&P Mid Cap 400?
2 UK-listed funds Fundology covers track the S&P Mid Cap 400, as of 09/10/2026. 1 accumulate their income and 1 pay it out. All are SPDR funds. Each fund is listed once, by one share class; its other share classes are on its own page.
Which S&P Mid Cap 400 fund has the lowest ongoing charge?
The lowest ongoing charge among the 2 S&P Mid Cap 400 funds Fundology tracks is 0.30% a year (SPX4 and US4D), as of 09/10/2026. A lower charge does not guarantee a better return.
What is the largest S&P Mid Cap 400 fund in the UK?
By fund size, SPX4 (State Street SPDR S&P 400 US Mid Cap UCITS ETF) is the largest of the 2 funds here, at £3.4bn as reported on 09/10/2026. Size shows how widely a fund is held, not how it will perform.
What is the difference between the accumulating and distributing versions?
An accumulating share class reinvests the income from its holdings inside the fund, so it shows up as a rising price; a distributing class pays it out to holders as cash, usually a few times a year. Of the 2 S&P Mid Cap 400 funds here, 1 accumulate and 1 distribute.
How is this list ordered?
Listed by name unless ordered by ongoing charge. No order on this page is a ranking or a recommendation.