Antofagasta sector snapshot, copper miner in FTSE 100 peers comparison

By Julia Schmitt, Sector & Peer Group desk. Reviewed prior to publication on 2026-06-28, 12:12.

Antofagasta (GB0000456144) is one of the established copper producers on the London Stock Exchange, with the stock included in the FTSE 100 index alongside diversified miners such as Rio Tinto and Glencore. The Chile-focused group gives investors direct exposure to copper and gold output while trading in sterling in London.

Position among FTSE miners

Antofagasta is listed on the London Stock Exchange under the ticker ANTO, in the mining sector cohort that includes Rio Tinto, Anglo American and Glencore as major peers. The company’s market capitalization runs into several billion pounds, putting it firmly in the large-cap bracket of global mining equities.

Peer companies such as Rio Tinto and Glencore combine copper with iron ore, coal or trading operations, while Antofagasta’s profile is more tightly focused on copper assets in Chile. That focus gives the Antofagasta stock a clear sensitivity to copper price cycles and to Chilean regulatory and tax policy shifts affecting mining operations.

Weekly sector performance focus

In the broader sector, miners such as Rio Tinto, BHP and Glencore are tracked in global indices like the FTSE 100 and S&P 500 through their London and New York listings, providing a reference for Antofagasta’s relative performance. Copper price moves and macro data on industrial production often drive weekly trends across these stocks.

Analyst commentary regularly highlights how copper producers respond differently to commodity price swings than diversified miners with larger iron ore or coal exposure, a distinction relevant for Antofagasta versus peers. Sector reviews of mining equities typically group Antofagasta with other copper-focused names when comparing valuation multiples and cash cost metrics.

How Antofagasta makes its money

Antofagasta generates most of its revenue from copper mining operations in Chile, with additional contributions from gold and molybdenum by-products. The group’s key assets include large-scale open-pit mines such as Los Pelambres and Centinela, which underpin its long-term production profile.

Where the stock trades today

The Antofagasta shares (GB0000456144) trade on the London Stock Exchange, quoted in pounds sterling, with the equity forming part of the FTSE 100 index as of the latest available data. The current price level reflects investor expectations on copper markets and on the company’s project pipeline in Chile.

This text is for information purposes only and does not constitute investment advice or a recommendation to buy or sell any security. Figures and assessments are based on sources deemed reliable but may change without notice.