The Alphabet unit has bought shares in the data management platform from Serena Capital at a reported valuation of $1.4bn.
Liberty Media, Centrica and Ofer Global have exited cybersecurity technology producer Indegy in a $78m purchase by Tenable.
SoftBank, Tencent, Didi Chuxing, Hyundai and Kia could be in line for exits as on-demand ride provider Ola starts setting the ground to go public.
Tengelmann Ventures and corporate JV Asia Pacific Internet Group have exited online automotive retail platform Carmudi's local spinoff in an acquisition by CarDekho.
The number of flotations of companies that have previously received corporate backing has been growing over the past years but by the end of 2019 they may register a slight slowdown.
Bertelsmann India Investments has exited user-generated media platform Roposo in an acquisition by InMobi Group estimated to be $20m in size.