SIZE · iShares MSCI USA Size Factor ETF
SIZE tracks an index and returned +10.2% over the past year.
| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
|---|---|---|---|---|
| 3M Jul 2 – Oct 2, 2026 | −1.1% | +3.6% | −4.7 pts | −6.4 pts |
| 6M Apr 2 – Oct 2, 2026 | +10.1% | +17.9% | −7.8 pts | −18.3 pts |
| 1Y Oct 2, 2025 – Oct 2, 2026 | +10.2% | +16.2% | −6.0 pts | −14.1 pts |
| 3Y Oct 3, 2023 – Oct 2, 2026 | +60.4% | +89.3% | −28.9 pts | −54.4 pts |
| Since listing Apr 18, 2013 – Oct 2, 2026 | +340.4% | +528.0% | −187.7 pts | −807.8 pts |
SIZE over each window to Oct 2, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.
SIZE top ten by weight, 3.9% of its 520 equity positions, from the holdings published by its issuer for Oct 1, 2026. An index fund holds what the index holds, so this is the index. Source: the issuer’s own daily file.
In plain words
Questions people ask about SIZE
- How has SIZE performed?
- Over the year to Oct 2, 2026, SIZE returned +10.2% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +60.4%.
- What does SIZE cost?
- The prospectus expense ratio is 0.15% a year.
- What does SIZE hold?
- 520 positions as published by its issuer for Oct 1, 2026, with the top ten at 3.9% of the fund. 85% of its weight is in stocks the S&P 500 also holds.
- How far is SIZE below its high?
- 5.8% below its high of Aug 13, 2026, measured on the reinvested series to Oct 2, 2026.
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
ETFIQ covers core, leveraged and inverse, buffer, thematic, option-income, alternatives and spot crypto ETFs. This fund is here because the other funds here are measured against it and portfolios hold it. ETFIQ is an independent publisher and makes no recommendations. Standards and sources
ETFIQ, SIZE, core fund, data as of Oct 2, 2026. https://etfiq.com/funds/size
ETFIQ. (Oct 2, 2026). SIZE, core fund. Retrieved from https://etfiq.com/funds/size
[SIZE, core fund (ETFIQ, Oct 2, 2026)](https://etfiq.com/funds/size)
Free to use with attribution; the underlying files are at Open data.