Brazilian newspaper Veja reported the deal, saying Guilherme Benchimol and Marcelo Maisonnave would remain as controlling shareholders.
UK emerging markets investor Actis took a minority stake in XP, Brazil’s largest independent brokerage, for $58m in 2010.
Actis said it made the investment to finance the development of XP’s technology and network, before preparing the company for an IPO that would see it become the first publicly-traded brokerage in Brazil.
General Atlantic also owns a stake in Brazilian health insurance broker Qualicorp, which it extended when Carlyle bought into the company in July 2010.
Carlyle is thought to be interested in selling half its stake in a deal that could fetch BRL850m ($500m).
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