IWM — iShares Russell 2000 ETF
Data updated: 2026-08-25
IWM — iShares Russell 2000 ETF. United States Small Cap Blend / Core Equity · $82.97B AUM · 0.19% expense ratio. Holdings, fees, performance and SEC filings.
IWM Fund Overview
IWM — iShares Russell 2000 ETF is a US ETF managed by iSHARES TRUST, categorised as United States Small Cap Blend / Core 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 Blend / Core Equity
- Assets under management: $82.97B
- 1-year return: 40.6%
- Ticker: IWM
- SEC CIK: 0001100663
- SEC series ID: S000004344
- Share class ID: C000012074
IWM Holdings
Top 10 holdings of iShares Russell 2000 ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Funds III | 17.02% |
| Moog, Inc. | 0.38% |
| Hut 8 Corp. | 0.37% |
| Viasat, Inc. | 0.35% |
| BrightSpring Health Services, Inc. | 0.35% |
| Cytokinetics, Inc. | 0.35% |
| MaxLinear, Inc. | 0.34% |
| Argan, Inc. | 0.34% |
| UMB Financial Corp. | 0.33% |
| JFrog Ltd. | 0.31% |
IWM Portfolio Allocation
Asset-class allocation of iShares Russell 2000 ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 17.0% |
IWM Performance
Total returns for IWM (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 22.5% |
| 1 year | 40.6% |
| 3 years (annualised) | 18.4% |
| 5 years (annualised) | 6.9% |
IWM Risk Information
Risk metrics for IWM, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 14.7%
IWM Costs and Fees
IWM costs about $19 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.19%
- Gross expense ratio: 0.19%
- Portfolio turnover: 18%
- Brokerage commissions: 1.43 bps of average net assets (SEC N-CEN)
IWM Cashflows
Over the 12 months to 2026-06, iShares Russell 2000 ETF had net outflows of $3.87B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$717.98M |
| 2026-05 | $781.26M |
| 2026-04 | −$3.54B |
| 2026-03 | $1.76B |
| 2026-02 | −$512.11M |
| 2026-01 | −$3.75B |
IWM Debt Constituents
No individual debt constituents are reported in iShares Russell 2000 ETF's latest SEC N-PORT filing.
IWM Prospectus and SEC Filings
Official iShares Russell 2000 ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-07-22
- Prospectus (485BPOS) — filed 2024-07-19
- Prospectus (485BPOS) — filed 2023-07-20
- Portfolio holdings (N-PORT) — filed 2026-08-25
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-25
- Annual census (N-CEN) — filed 2026-06-15
- Annual census (N-CEN) — filed 2025-06-13
Related Funds
Other United States Small Cap Blend / Core 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.