Investment group PPF, controlled by the Czech Republic’s richest man Petr Kellner, has acquired a 19.2% stake in biopharmaceutical firm Autolus Therapeutics (AUTL.O), it said on Monday, making it the company’s biggest shareholder. PPF did not disclose the price of the acquisition, made through share purchases on the NASDAQ. Autolus had a market capitalizations of $607 million at Friday’s close, though its shares have lost 60% so far this year. Source: Reuters 14/9/2019