# SIZE (iShares MSCI USA Size Factor ETF)

iShares · Stock ETFs · U.S. mid-cap blend · data as of Oct 2, 2026

SIZE tracks an index and returned +10.2% over the past year.

## Key facts

- SIZE, total return, 1 year: +10.2%, as of Oct 2, 2026.
- SIZE, expense ratio: 0.15%, as of Oct 2, 2026.
- SIZE, holdings: 520, as of Oct 2, 2026.
- SIZE, below its high: −5.8%, as of Oct 2, 2026.
- SIZE, net assets: $422m (the issuer’s own daily fund list, as of Oct 2, 2026).

## SIZE over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | −1.1% | +3.6% | −4.7 pts | −6.4 pts |
| 6 months | +10.1% | +17.9% | −7.8 pts | −18.3 pts |
| 1 year | +10.2% | +16.2% | −6.0 pts | −14.1 pts |
| 3 years | +60.4% | +89.3% | −28.9 pts | −54.4 pts |
| Since listing | +340.4% | +528.0% | −187.7 pts | −807.8 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · U.S. mid-cap blend | ETFIQ |
| Expense ratio | 0.15% | 485BPOS XBRL, Nov 21, 2025 |
| Price | $175.51 | ETFIQ |
| Listed since | Apr 18, 2013 | ETFIQ |
| Net assets | $422m | the issuer’s own daily fund list, as of Oct 2, 2026 |
| Below its high | −5.8% | ETFIQ |
| Holdings | 520 | ETFIQ |
| Top ten weight | 3.9% | ETFIQ |
| Holdings published for | Oct 1, 2026 | the issuer’s daily file |
| Already in the S&P 500, by weight | 85.0% | ETFIQ |
| Active share vs the S&P 500 | 59.2% | ETFIQ |
| Already in the Nasdaq-100, by weight | 16.4% | ETFIQ |

## Questions

### 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.


## Cite this page

ETFIQ, SIZE, data as of Oct 2, 2026. https://etfiq.com/funds/size
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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