The head of UK equity capital markets at JP Morgan has added a role on a £208 million placement of shares in Jupiter Fund Management to two live IPO mandates, marking him out as one of the busiest bankers in the City.

Greg Chamberlain, who was named on the £1.1 billion IPO of Brit Insurance this morning, is now working to place 48.6 million shares in Jupiter on behalf of private equity firm TA Associates this evening.