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SIZE · ARCA · ETF

iShares MSCI USA Size Factor ETF (SIZE) Price, Holdings & Fees

$465.56+0.72%+$3.32End-of-day price as of Oct 9, 2026

iShares MSCI USA Size Factor ETF (SIZE) closed at $465.56 on Oct 9, 2026, up 0.72% from the previous close of $462.24.

Share price, past year

1Y −2.24%

52-week range $408.76 – $484.51. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$465.56
Sep 30, 2026$461.70
Aug 31, 2026$462.15
Jul 31, 2026$475.24
Jun 30, 2026$467.92
May 29, 2026$463.09
Apr 30, 2026$438.05
Mar 31, 2026$411.82
Feb 27, 2026$432.41
Jan 30, 2026$450.02
Dec 31, 2025$483.41
Nov 28, 2025$448.94
Oct 31, 2025$456.42

Key statistics

Expense ratio
0.15%
as of Jul 31, 2025
Net assets
$428.8M
as of Jul 31, 2026
Holdings
531
as of Jul 31, 2026
52-week range
$408.76 – $484.51

iShares MSCI USA Size Factor ETF's expense ratio is 0.15%: $15.00 a year on $10,000 invested.

Holdings

iShares MSCI USA Size Factor ETF held 531 investments worth $428.75M as of Jul 31, 2026. Its largest holding was BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares, at 1.43% of the fund.

iShares MSCI USA Size Factor ETF largest holdings by share of net assets
#Holding% of fundValue
1BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares1.43%$6.14M
2OKTA, INC.0.31%$1.35M
3SNOWFLAKE INC.0.31%$1.34M
4SHARKNINJA, INC.0.30%$1.29M
5DELL TECHNOLOGIES INC.0.30%$1.28M
6BEST BUY CO., INC.0.28%$1.20M
7NETAPP, INC.0.28%$1.18M
8CDW CORPORATION0.27%$1.16M
9ILLUMINA, INC.0.27%$1.16M
10HEWLETT PACKARD ENTERPRISE COMPANY0.27%$1.15M
11TOAST, INC.0.27%$1.14M
12DOLLAR TREE, INC.0.27%$1.14M
13INTERNATIONAL PAPER COMPANY0.26%$1.13M
14GENUINE PARTS COMPANY0.26%$1.11M
15EXPEDIA GROUP, INC.0.25%$1.09M
16NATERA, INC.0.25%$1.09M
17METTLER-TOLEDO INTERNATIONAL INC.0.25%$1.08M
18IQVIA HOLDINGS INC0.25%$1.08M
19UNITED AIRLINES HOLDINGS, INC.0.25%$1.08M
20WILLIAMS-SONOMA, INC.0.25%$1.07M
21AXON ENTERPRISE, INC.0.25%$1.06M
22WILLIS TOWERS WATSON PUBLIC LIMITED COMPANY0.25%$1.06M
23HP INC.0.25%$1.05M
24BURLINGTON STORES, INC.0.24%$1.04M
25SMURFIT WESTROCK PUBLIC LIMITED COMPANY0.24%$1.04M

Top 25 of 531 holdings, as of Jul 31, 2026. Percentages are of the fund's net assets.

What the fund owns

iShares MSCI USA Size Factor ETF holdings by asset type
Asset type% of fund
Stocks99.75%
Cash and short-term investments1.62%
iShares MSCI USA Size Factor ETF holdings by country, largest 10
Country% of fund
United States93.82%
Ireland3.15%
Cayman Islands0.82%
Switzerland0.77%
Bermuda0.61%
Netherlands0.49%
Jersey0.44%
United Kingdom0.39%
Liberia0.23%
Canada0.19%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jul 31, 2026, iShares MSCI USA Size Factor ETF's total return was +5.05%, as reported to the SEC.

iShares MSCI USA Size Factor ETF monthly total returns
MonthTotal return
Jul 31, 2026+0.19%
Jun 30, 2026+1.65%
May 31, 2026+3.15%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
iShares MSCI USA Size Factor ETF
Ticker
SIZE
Exchange
ARCA
Fund type
ETF
Trust
iSHARES TRUST
SEC series ID
S000040204
SEC CIK
0001100663
Fractional shares
Yes

Recent SEC filings

Shareholder reports and prospectuses are filed by iSHARES TRUST, the trust behind iShares MSCI USA Size Factor ETF, and cover all of its funds.

Frequently asked questions

What is SIZE's price?

iShares MSCI USA Size Factor ETF (SIZE) closed at $465.56 on Oct 9, 2026, up 0.72% from the previous close of $462.24.

What is SIZE's expense ratio?

iShares MSCI USA Size Factor ETF's expense ratio is 0.15%: $15.00 a year on $10,000 invested.

What does SIZE hold?

iShares MSCI USA Size Factor ETF held 531 investments worth $428.75M as of Jul 31, 2026. Its largest holding was BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares, at 1.43% of the fund. Its five largest holdings were BlackRock Funds III: BlackRock Cash Funds: Institutional; SL Agency Shares, OKTA, INC., SNOWFLAKE INC., SHARKNINJA, INC., DELL TECHNOLOGIES INC..

How has SIZE performed?

Over the 3 months to Jul 31, 2026, iShares MSCI USA Size Factor ETF's total return was +5.05%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jul 31, 2026 (filed Sep 23, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Jul 31, 2025. Prices are generated sample data for development. Data sources and disclosures