The latest of our profiles of financial firms after the crisis looks at BTG Pactual, Brazil’s investment-banking powerhouse

IN RECENT years investment banks were supposedly hijacked by boffins who used their nuclear-physics doctorates to devastating effect. Yet the industry has long been slave to a different tribe of scientists: the bulge-bracket Darwinists. They reckon only giant global firms can survive.

Until last year, Pactual, a Brazilian outfit, had conformed to their doctrine. In 2006 it sold out to a big foreign firm, UBS, for $3.1 billion, making its partners some of Brazil’s richest men. But then in 2009 the Swiss bank, reeling from losses, unexpectedly sold Pactual back to BTG, a local investment fund co-founded by Andre Esteves, one of the bank’s former top brass, for $2.5 billion. Today the renamed BTG Pactual is owned again by its partners and led by Mr Esteves who has a 25-30% stake. ...