IYM — iShares U.S. Basic Materials ETF
Data updated: 2026-07-14
IYM — iShares U.S. Basic Materials ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Energy Equity · $1.53B AUM · 0.38% expense ratio · 40.9% 1-yr return. From SEC regulatory filings.
IYM Fund Overview
IYM — iShares U.S. Basic Materials ETF is a US ETF managed by iSHARES TRUST, categorised as United States Energy 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 Energy Equity
- Assets under management: $1.53B
- 1-year return: 40.9%
- Ticker: IYM
- SEC CIK: 0001100663
- SEC series ID: S000004318
- Share class ID: C000012048
IYM Holdings
Top 10 holdings of iShares U.S. Basic Materials ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Linde Public Limited Company | 19.89% |
| Newmont Corporation | 10.51% |
| Freeport-Mcmoran Inc. | 7.25% |
| Ecolab Inc. | 5.80% |
| Air Products And Chemicals, Inc. | 4.75% |
| Nucor Corporation | 4.43% |
| Fastenal Company | 3.88% |
| Anglogold Ashanti PLC | 3.55% |
| Steel Dynamics, Inc. | 3.38% |
| Albemarle Corporation | 2.57% |
IYM Portfolio Allocation
Asset-class allocation of iShares U.S. Basic Materials ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.2% |
IYM Performance
Total returns for IYM (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 18.3% |
| 1 year | 40.9% |
| 3 years (annualised) | 13.4% |
| 5 years (annualised) | 8.6% |
IYM Risk Information
Risk metrics for IYM, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 17.8%
IYM Costs and Fees
IYM costs about $38 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.38%
- Gross expense ratio: 0.38%
- Portfolio turnover: 19%
- Brokerage commissions: 0.26 bps of average net assets (SEC N-CEN)
IYM Cashflows
Over the 12 months to 2026-04, iShares U.S. Basic Materials ETF had net inflows of $814.71M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $244.20M |
| 2026-03 | −$118.26M |
| 2026-02 | $280.55M |
| 2026-01 | $312.21M |
| 2025-12 | −$63.32M |
| 2025-11 | $190.65M |
IYM Debt Constituents
No individual debt constituents are reported in iShares U.S. Basic Materials ETF's latest SEC N-PORT filing.
IYM Prospectus and SEC Filings
Official iShares U.S. Basic Materials ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Energy 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.