IWB — iShares Russell 1000 ETF
Data updated: 2026-06-15
IWB — iShares Russell 1000 ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $42.78B AUM · 0.15% expense ratio · 17.6% 1-yr return. From SEC regulatory filings.
IWB Fund Overview
IWB — iShares Russell 1000 ETF is a US ETF managed by iSHARES TRUST, categorised as United States Large 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 Large Cap Blend / Core Equity
- Assets under management: $42.78B
- 1-year return: 17.6%
- Ticker: IWB
- SEC CIK: 0001100663
- SEC series ID: S000004347
- Share class ID: C000012077
IWB Holdings
Top 10 holdings of iShares Russell 1000 ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corporation | 6.81% |
| Apple Inc. | 6.10% |
| Microsoft Corporation | 4.58% |
| Amazon.com, Inc. | 3.33% |
| Alphabet Inc. | 2.79% |
| Broadcom Inc. | 2.39% |
| Alphabet Inc. | 2.27% |
| Meta Platforms, Inc. | 2.08% |
| Tesla, Inc. | 1.75% |
| Berkshire Hathaway Inc. | 1.47% |
IWB Portfolio Allocation
Asset-class allocation of iShares Russell 1000 ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.8% |
IWB Performance
Total returns for IWB (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.2% |
| 1 year | 17.6% |
| 3 years (annualised) | 18.0% |
| 5 years (annualised) | 11.2% |
IWB Risk Information
Risk metrics for IWB, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.2%
IWB Costs and Fees
IWB costs about $15 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.15%
- Gross expense ratio: 0.15%
- Portfolio turnover: 3%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
IWB Cashflows
Over the 12 months to 2026-03, iShares Russell 1000 ETF had net outflows of $575.26M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$1.11B |
| 2026-02 | −$151.85M |
| 2026-01 | −$188.71M |
| 2025-12 | $952.87M |
| 2025-11 | $435.58M |
| 2025-10 | −$34.39M |
IWB Debt Constituents
No individual debt constituents are reported in iShares Russell 1000 ETF's latest SEC N-PORT filing.
IWB Prospectus and SEC Filings
Official iShares Russell 1000 ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large 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.