Alcoa: the mines it operates or owns, and what they report

Alcoa is a listed company headquartered in United States (New York Stock Exchange: AA; ASX CHESS Depositary Interests: AAI). This site lists 5 operations tied to it, for bauxite and aluminum: it operates 3 and holds an interest in 2 more. On the operations here where a whole-operation figure can be stated (in metal content, or as the commodity page says for ore and smelted metal), its interests add up to about 36,908,800 tonnes of bauxite (8.4% of world output). That leaves out operations without such a figure, so it is not the company's total.

Its operations on this site

Operations of Alcoa
Operation	Commodity and country	Role	Interest	Whole-operation output	Share of world output
Darling Range (Huntly and Willowdale) open-pit mine	bauxite Australia	Operator	100% as of 31 December 2025	25.8 million dry metric tons (mdmt), zero-moisture basis CY2025	5.9%
Sangaredi (Compagnie des Bauxites de Guinee) open-pit mine	bauxite Guinea	Owner	22.95% as of 31 December 2025	17,032 thousand tonnes ('000 tonnes), marketable quantities of ore plus concentrates CY2025	3.9%
Juruti open-pit mine	bauxite Brazil	Operator	100% as of 31 December 2025	6.7 million dry metric tons (mdmt), zero-moisture basis CY2025	1.5%
Alumar smelter (São Luís) aluminum smelter	aluminum Brazil	Owner	— as of 31 December 2025	about 360,000 t of aluminum FY2026 (1 July 2025 to 30 June 2026), derived	0.5%
Pocos de Caldas open-pit mine	bauxite Brazil	Operator	100% as of 31 December 2025	0.5 million dry metric tons (mdmt), zero-moisture basis CY2025	0.1%

How much is that on its interests?

bauxite: 36,908,800 tonnes of bauxite across 4 operations, about 8.4% of world output. Periods differ by operation (CY2025).

Computed as each operation's whole-operation output in metal content, or as ore or smelted metal where the commodity is measured that way, multiplied by the interest shown. Operations whose output is stated in another form, or only as the owner's share, are left out of this sum, so it understates what the company controls.

Sources

Alcoa Corporation: Form 10-K for the year ended 31 December 2025 (annual report (SEC 10-K), FY2025 (calendar), with 2024 and 2023 comparatives). Opened 4 November 2026.

The corporate facts above (headquarters, type, listing) come from the sources listed; no stock prices, valuations or executives are shown. Ownership and output are on the date and period stated on each operation's page. The list covers operations with a published figure for the commodities on this site, so it is not the company's full portfolio.

Made with AI assistance and checked against the sources by a second, independent pass; no professional review took place. How the site is made. To report an error, contact us.