In March 2008, he founded Valiant Capital Management, a San Francisco, California-based global long/short equity hedge fund that had $2.7 billion in assets in 2012.
[1] Valiant Capital Management was included in a 2021 Department of Justice list of 20/30 short sellers being investigated.
[3] Hansen served as an analyst and a partner at Montgomery Securities and Blue Ridge Capital in San Francisco.
[3] After leaving Blue Ridge, Hansen founded Valiant Capital, where he is currently president and portfolio manager.
[3] In January 2013, a group led by Hansen reached an agreement to buy the Sacramento Kings and relocate the team to Seattle.