InvestmentsTop Global NewsMarketsReal Estate KKR becomes Axel Springer’s biggest shareholder By financialnews_rlv83x - August 26, 2019 0 199 KKR has become the biggest shareholder of German media group Axel Springer , paying 2.9 billion euros (US$3.2 billion) for a 43.54per cent stake, the U.S. private equity firm said on Monday.