# iShares U.S. Oil & Gas Exploration & Production ETF (IEO) — Holdings

IEO · BATS · Fund

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

## Top holdings (as of Oct 14, 2026)

The 10 largest positions make up 71.5% of the fund. Want full holdings data source? [Register at AInvest](https://www.ainvest.com/etfs/CBOE-IEO/holdings/).

| Ticker | Weight |
| --- | --- |
| COP | 17.06% |
| MPC | 13.59% |
| VLO | 13.21% |
| PSX | 4.83% |
| EOG | 4.44% |
| DVN | 4.32% |
| FANG | 4.13% |
| EQT | 4.09% |
| EXE | 2.95% |
| TPL | 2.91% |

## Frequently Asked Questions

### What are the top holdings of IEO?

As of Oct 14, 2026, the largest positions in iShares U.S. Oil & Gas Exploration & Production ETF are COP (17.1%), MPC (13.6%), VLO (13.2%), PSX (4.8%), EOG (4.4%).

### How concentrated is IEO?

The 10 largest positions make up 71.5% of iShares U.S. Oil & Gas Exploration & Production ETF, as reported on Oct 14, 2026.

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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).