IWP — iShares Russell Mid-Cap Growth ETF
Data updated: 2026-08-25
IWP — iShares Russell Mid-Cap Growth ETF. 0.23% expense ratio · since 2001 · United States Mid Cap Growth Equity. Holdings, fees, performance and SEC filings.
IWP Fund Overview
IWP — iShares Russell Mid-Cap Growth ETF is a US ETF managed by iSHARES TRUST, categorised as United States Mid 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 Mid Cap Growth Equity
- Assets under management: $21.57B
- 1-year return: 6.0%
- Ticker: IWP
- SEC CIK: 0001100663
- SEC series ID: S000004336
- Share class ID: C000012066
IWP Investment Objective and Strategy
iShares Russell Mid-Cap Growth ETF describes its objective and strategy as follows, from its latest prospectus filed with the SEC by iSHARES TRUST.
Investment objective
The iShares Russell Mid-Cap Growth ETF (the “Fund”) seeks to track the investment results of an index composed of mid-capitalization U.S. equities that exhibit growth characteristics.
Principal investment strategy
The Fund seeks to track the investment results of the Russell Midcap Growth Index (the Underlying Index), which measures the performance of the mid-capitalization growth sector of the U.S. equity market, as defined by FTSE Russell (the Index Provider or Russell). The Underlying Index is a subset of the Russell Midcap Index, which measures the performance of the mid-capitalization sector of the U.S. equity market, as defined by Russell. As of March 31, 2018, the Underlying Index represented approximately 45% of the total market value of the Russell Midcap Index. The Underlying Index measures the performance of equity securities of Russell Midcap Index issuers with higher price-to-book ratios and higher forecasted growth relative to all securities included in the Russell Midcap Index. As of March 31, 2018, a significant portion of the Underlying Index is represented by securities of companies in the consumer discretionary, financials and technology industries or sectors.
The components of the Underlying Index are likely to change over time. BFA uses a passive or indexing approach to try to achieve the Funds investment objective. Unlike many investment companies, the Fund does not try to beat the index it tracks and does not seek temporary defensive positions when markets decline or appear overvalued. Indexing may eliminate the chance that the Fund will substantially outperform the Underlying Index but also may reduce some of the risks of active management, such as poor security selection. Indexing seeks to achieve lower costs and better after-tax performance by keeping portfolio turnover low in comparison to actively managed investment companies. BFA uses a representative sampling indexing strategy to manage the Fund. Representative sampling is an indexing strategy that involves investing in a representative sample of securities that collectively has an investment profile similar to that of an applicable underlying index.
The securities selected are expected to have, in the aggregate, investment characteristics (based on factors such as market capitalization and industry weightings), fundamental characteristics (such as return variability and yield) and liquidity measures similar to those of an applicable underlying index. The Fund may or may not hold all of the securities in the Underlying Index. The Fund generally invests at least 90% of its assets in securities of the Underlying Index and in depositary receipts representing securities of the Underlying Index. The Fund may invest the remainder of its assets in certain futures, options and swap contracts, cash and cash equivalents, including shares of money market funds advised by BFA or its affiliates, as well as in securities not included in the Underlying Index, but which BFA believes will help the Fund track the Underlying Index.
The Fund seeks to track the investment results of the Underlying Index before fees and expenses of the Fund. The Fund may lend securities representing up to one-third of the value of the Fund's total assets (including the value of any collateral received). The Underlying Index is sponsored by Russell, which is part of the London Stock Exchange Group and is independent of the Fund and BFA. The Index Provider determines the composition and relative weightings of the securities in the Underlying Index and publishes information regarding the market value of the Underlying Index. Industry Concentration Policy. The Fund will concentrate its investments (i.e., hold 25% or more of its total assets) in a particular industry or group of industries to approximately the same extent that the Underlying Index is concentrated.
For purposes of this limitation, securities of the U.S. government (including its agencies and instrumentalities) and repurchase agreements collateralized by U.S. government securities are not considered to be issued by members of any industry.
IWP Holdings
Top 10 holdings of iShares Russell Mid-Cap Growth ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Funds III | 3.70% |
| Datadog, Inc. | 2.34% |
| Snowflake, Inc. | 2.33% |
| Cloudflare, Inc. | 2.12% |
| Teradyne, Inc. | 2.07% |
| Astera Labs, Inc. | 2.02% |
| Simon Property Group, Inc. | 1.96% |
| Comfort Systems USA, Inc. | 1.89% |
| Robinhood Markets, Inc. | 1.75% |
| Lumentum Holdings, Inc. | 1.67% |
IWP Portfolio Allocation
Asset-class allocation of iShares Russell Mid-Cap Growth ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.9% |
| Cash & Equivalents | 3.8% |
IWP Performance
Total returns for IWP (as of 2026-10-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 7.18% |
| 1 year | 6.02% |
| 3 years (annualised) | 15.38% |
| 5 years (annualised) | 5.82% |
IWP Risk Information
Risk metrics for IWP, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.46%
IWP Costs and Fees
IWP costs about $23 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.23%
- Gross expense ratio: 0.23%
- Portfolio turnover: 24%
- Brokerage commissions: 0.38 bps of average net assets (SEC N-CEN)
IWP Cashflows
Over the 12 months to 2026-06, iShares Russell Mid-Cap Growth ETF had net inflows of $1.13B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $485.56M |
| 2026-05 | $21.37M |
| 2026-04 | −$262.14M |
| 2026-03 | −$78.67M |
| 2026-02 | −$53.84M |
| 2026-01 | −$439.33M |
IWP Debt Constituents
No individual debt constituents are reported in iShares Russell Mid-Cap Growth ETF's latest SEC N-PORT filing.
IWP Prospectus and SEC Filings
Official iShares Russell Mid-Cap Growth 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 2026-07-13
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Annual census (N-CEN) — filed 2026-06-15
- Annual census (N-CEN) — filed 2025-06-13
Related Funds
Other United States Mid 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.