Emerging markets specialist fund manager LeapFrog Investments has sold its stake in Ghana-based pension trustee Petra Trust to pan-African investment firm African Capital Alliance (ACA). LeapFrog originally invested in Petra in 2014 through LeapFrog Financial Inclusion Fund. ACA acquired LeapFrog’s stake through Capital Alliance Private Equity IV. Petra currently manages GHS1.4 billion (approximately US$313 million) in assets. Financial details of the transaction were not disclosed.