IWO — iShares Russell 2000 Growth ETF
Data updated: 2026-07-13
IWO — iShares Russell 2000 Growth ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Small Cap Growth Equity · $12.17B AUM · 0.24% expense ratio · 23.5% 1-yr return. From SEC regulatory filings.
IWO Fund Overview
IWO — iShares Russell 2000 Growth ETF is a US ETF managed by iSHARES TRUST, categorised as United States Small Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: iSHARES TRUST
- Category: United States Small Cap Growth Equity
- Assets under management: $12.17B
- 1-year return: 23.5%
- Ticker: IWO
- SEC CIK: 0001100663
- SEC series ID: S000004343
- Share class ID: C000012073
IWO Holdings
Top 10 holdings of iShares Russell 2000 Growth ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Funds III | 13.68% |
| Bloom Energy Corp. | 1.99% |
| Fabrinet | 1.26% |
| Credo Technology Group Holding Ltd. | 1.02% |
| Nextpower, Inc. | 0.94% |
| Kratos Defense & Security Solutions, Inc. | 0.86% |
| Advanced Energy Industries, Inc. | 0.82% |
| Sterling Infrastructure, Inc. | 0.81% |
| Bridgebio Pharma, Inc. | 0.79% |
| Guardant Health, Inc. | 0.77% |
IWO Portfolio Allocation
Asset-class allocation of iShares Russell 2000 Growth ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 13.7% |
IWO Performance
Total returns for IWO (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.8% |
| 1 year | 23.5% |
| 3 years (annualised) | 12.2% |
| 5 years (annualised) | 1.6% |
IWO Risk Information
Risk metrics for IWO, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.1%
IWO Costs and Fees
IWO costs about $24 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.24%
- Gross expense ratio: 0.24%
- Portfolio turnover: 30%
- Brokerage commissions: 1.51 bps of average net assets (SEC N-CEN)
IWO Cashflows
Over the 12 months to 2026-03, iShares Russell 2000 Growth ETF had net outflows of $1.09B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$145.13M |
| 2026-02 | −$154.80M |
| 2026-01 | −$451.95M |
| 2025-12 | $213.84M |
| 2025-11 | $38.62M |
| 2025-10 | −$82.90M |
IWO Debt Constituents
No individual debt constituents are reported in iShares Russell 2000 Growth ETF's latest SEC N-PORT filing.
IWO Prospectus and SEC Filings
Official iShares Russell 2000 Growth ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Small Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.