Billionaire tech investor Robert Smith has sold software maker Apptio to IBM for $4.6 billion, more than doubling his initial $1.9 billion investment from 2019 through his buyout firm, Vista Equity Partners. Apptio is a cloud-based information technology financial planning platform. It sells online services that help companies — including the majority of the Fortune […] The post Billionaire Robert Smith Hits Cash Register Button, Sells Software Company For $4.6 Billion To IBM appeared first on Moguldom.