Bronte Capital Management founders John Hempton and Simon Maher first started putting together seeding deals in in 2008, but as they explain in their final investors’ letter that came out this week, the deals dried up by 2009 and they were forced to find another way to bring in capital. Fortunately a wealthy Bay Area investor, ‘Joe’, decided to invest in a separately managed account and that became the reference US account that Bronte has reported on until now. First account closed to buy a ranch after quadrupling in five years “Joe’s account has quadrupled over these 5 years -…