Machine Identity Management Unicorn: Thoma Bravo Majority Stake Drives Venafi Valuation To $1.15B “Thoma Bravo invests in category creators and leaders,” said Venafi CEO Jeff Hudson. “That ($1.15 billion) valuation is a good valuation. It makes us a Unicorn...This is a pivotal moment for us. We have done a lot to get to this place and now the market is exploding.” By Steven Burke December 10, 2020, 07:22 PM EST Private equity powerhouse Thoma Bravo continued its security software investment blitz by buying a majority stake in machine identity management software provider Venafi. The controlling stake officially marks Venafi’s debut as a “unicorn” with the privately held company’s valuation breaking the $1 billion barrier to $1.15 billion.