GitHub was founded in 2008 with the goal of facilitating collaboration between software developers. In time, it grew into one of the world’s largest repositories of code. Sequoia led GitHub’s $250 million Series B financing round in 2015 and is its second-largest outside investor. Another Silicon Valley heavyweight, Andreessen Horowitz, is the largest, with at least 13.33%; its stake in GitHub is worth more than $1 billion. Thrive Capital, cofounded by Josh Kushner (the brother of presidential advisor Jared Kushner), is also a significant shareholder. In all, the company has raised $350 million. In 2014, Tom Preston-Werner resigned from the firm following a harassment investigation. Chris Wanstrath told Forbes that he planned to step down as CEO as soon as he could find a replacement. Following the buyout, he will be succeeded by Nat Friedman, a Microsoft vice president. He will stay on as a technical fellow at Microsoft.