# Chinalco and Rio Tinto JV to acquire control of CBA for over R$10B

Brazil's antitrust authority Cade approved the sale of control of Companhia Brasileira de Alumínio (CBA) to a joint venture formed by Chinalco and Rio Tinto, valuing CBA at over R$10 billion. Votorantim will receive R$4.7 billion for its 68.6% stake, and a mandatory tender offer for minority shares will follow.

- Type: Acquisition
- Announced: 2026-03-11
- Where: Brazil
- Value: $1.80B (10.0B BRL)
- Status: announced
- Products: aluminum
- Sectors: [Steel and Metal Products](https://endata.com/sectors/steel-metal-products.md)

## Companies

- [Rio Tinto](https://endata.com/companies/4215.md) (acquirer)
- [Votorantim S.A.](https://endata.com/companies/22419.md) (partner)
- [Chinalco](https://endata.com/companies/29047.md) (acquirer)
- [Companhia Brasileira de Alumínio](https://endata.com/companies/32162.md) (target)

## Sources

- [investnews.com.br](https://investnews.com.br/negocios/cba-venda-cade-libera-cbav3/), 2026-03-11: "A operação, anunciada em 29 de janeiro, avalia a maior produtora de alumínio da América Latina em mais de R$ 10 bilhões, somando valor de mercado mais as dívidas."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.