# iShares U.S. Basic Materials ETF (IYM) — Holdings

IYM · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/iym/holdings

## Top holdings (as of Oct 16, 2026)

The 10 largest positions make up 68.1% of the fund. Want full holdings data source? [Register at AInvest](https://www.ainvest.com/etfs/NYSE-IYM/holdings/).

| Ticker | Weight |
| --- | --- |
| LIN | 19.93% |
| NEM | 10.75% |
| FCX | 8.86% |
| ECL | 6.44% |
| APD | 4.67% |
| FAST | 4.36% |
| NUE | 4.20% |
| AU | 3.51% |
| STLD | 3.04% |
| IFF | 2.38% |

## Frequently Asked Questions

### What are the top holdings of IYM?

As of Oct 16, 2026, the largest positions in iShares U.S. Basic Materials ETF are LIN (19.9%), NEM (10.8%), FCX (8.9%), ECL (6.4%), APD (4.7%).

### How concentrated is IYM?

The 10 largest positions make up 68.1% of iShares U.S. Basic Materials ETF, as reported on Oct 16, 2026.

---

Fund holdings are reported periodically and are a snapshot of a past date, not a live position list — what the fund holds today may differ. Weights cover only the largest positions shown, not the whole portfolio.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).