Capstone Copper

Capstone Copper is a copper producer headquartered in Vancouver, British Columbia, Canada. The company describes itself as a premier copper producer operating in the Americas, with activities spanning exploration, mine development and operations. Its stated focus is creating growth and value for investors, employees and communities while responding to global copper demand. The company’s portfolio includes Pinto Valley, an open-pit copper mine in Arizona, United States; Cozamin, an underground copper-silver mine in Zacatecas, Mexico; and the Chilean operations Mantos Blancos and Mantoverde. Mantoverde is described as a 70%-owned open-pit, oxide heap-leach operation producing copper cathode and copper concentrate, with gold as a significant by-product. Capstone also identifies Santo Domingo in Chile’s Atacama region as a fully permitted copper-iron-gold development project. Its portfolio is presented as a collection of long-life operations and a permitted project in a major copper-producing district. Copper is the company’s principal product and a central part of its public positioning around electrification. Its website reports 225 thousand tonnes of copper produced in 2025 and says that copper accounted for 93% of revenue; the page marks these figures as of December 31, 2025. Capstone emphasizes responsible mining, local employment, community development and minimizing environmental impacts. It reports that The Copper Mark has been awarded to its Mantoverde, Mantos Blancos and Pinto Valley sites, and identifies emissions reduction and water as sustainability priorities.

Capstone Copper presents itself as a copper producer whose business in the Americas spans exploration, development and mine operations. The available company materials do not specify a founding year, founder or a sequence of corporate formation events, so those details cannot be established here. The company describes a portfolio of operating assets in the United States, Mexico and Chile. In the United States, Pinto Valley is an open-pit copper mine in Arizona, with district-scale opportunities around the mine. In Mexico, Cozamin is an underground copper-silver mine in Zacatecas; the company notes exploration work aimed at extending its mine life. In Chile, Mantos Blancos is an open-pit mine in the Antofagasta region, where debottlenecking has enabled higher throughput and brownfield expansion opportunities are being advanced. Mantoverde, in the Atacama region, is described as 70%-owned and produces copper cathode and copper concentrate, with gold as a significant by-product. Alongside its producing mines, Capstone identifies Santo Domingo in Chile’s Atacama region as a fully permitted greenfield copper-iron-gold project. The company characterizes the project as top quartile and places it within a district it describes as one of the world’s most prolific copper-producing areas. The materials provided do not give a project start date or a construction or production timetable. Capstone’s stated corporate purpose links copper production to electrification and the world’s growing copper needs. Its responsibility materials describe commitments to people, the environment and host communities, including efforts to reduce environmental footprint, provide local employment and support sustainable community development. The company says its Mantoverde, Mantos Blancos and Pinto Valley sites have been awarded The Copper Mark. It also states a goal of reducing greenhouse-gas emissions from fuel and power by 30% by 2030 and describes work on renewable electricity and reduced diesel consumption. The company homepage reports production of 225 thousand tonnes of copper in 2025 and copper representing 93% of revenue, with both figures stated as of December 31, 2025. The supplied company directory identifies Vancouver as the corporate office and lists mine offices in Arizona, Mexico and Chile. The supplied materials do not establish the company’s founding history, ownership structure, listing status or named chief executive.

• 2025

  Reports 2025 copper production and revenue composition

• Emissions-reduction target

A copper producer operating across the Americas, positioning its portfolio and responsible-mining approach to serve growing demand associated with electrification.

• Copper

  The company’s principal product; its sites produce copper in forms including cathode and concentrate.

• Gold by-product

  Mantoverde produces copper products with a significant gold by-product.

• Responsibility and climate prioritiesOther

• Advancement of Mantos Blancos brownfield opportunitiesOther

1. 1Capstone Copper, Leading Copper Producer in the Americascapstonecopper.com
2. 2About Capstone Copper: Innovation, Growth, Value Creationcapstonecopper.com
3. 3Capstone Copper’s Commitment to Responsible Mining Practicescapstonecopper.com
4. 4Company Directory | Capstone Copper Corp. Offices & Contactscapstonecopper.com