# iShares MSCI USA Size Factor ETF (SIZE) — Overview

SIZE · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/size

## Price

Last close $178.32 on Oct 15, 2026. 52-week range $154.04 – $186.93.

## Fund profile

SIZE tracks an index of large- and mid-cap US stocks. Holdings are weighted by the inverse natural logarithm of their market capitalization.

| Metric | Value |
| --- | --- |
| Issuer | BlackRock Fund Advisors |
| Industry | — |
| Inception | Apr 16, 2013 |
| Assets under management | $423.9M |
| Expense ratio | 0.15% |
| Net asset value | $176.61 (as of Oct 14, 2026) |
| Distributions | Quarterly |
| Leverage | 1x |

## Frequently Asked Questions

### What is iShares MSCI USA Size Factor ETF (SIZE)?

SIZE tracks an index of large- and mid-cap US stocks. Holdings are weighted by the inverse natural logarithm of their market capitalization.

### What is SIZE's expense ratio?

iShares MSCI USA Size Factor ETF charges an annual expense ratio of 0.15%. The fund is issued by BlackRock Fund Advisors.

### How large is SIZE?

iShares MSCI USA Size Factor ETF manages $423.9M in assets and has traded since Apr 16, 2013.

### How do I buy shares of iShares MSCI USA Size Factor ETF (SIZE)?

SIZE trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).