Madison Dearborn buys AmTrust’s stake in Amynta to increase majority interest Jairo Ibarra March 10, 2022 Twitter LinkedIn Show more sharing options Share Close extra sharing options Twitter LinkedIn Copy Link URLCopied! Print Private equity firm Madison Dearborn Partners has increased its majority stake in MGA consolidator Amynta Group with the acquisition of all the equity interests held by AmTrust Financial Services. To unlock this article Register for a free 14 day trial Already a subscriber? Login now