Alphabet, Salesforce and Twilio have exited the peer-to-peer messaging platform, which has been purchased by another of its investors, Social Capital.

Alphabet-backed short-term accommodation portal Airbnb has confidentially filed to go public, having raised money at a $26bn valuation in April.

Eli Lilly and WuXi Biologics-backed biologics developer Inhibrx floated at the midpoint of its range having previously raised $135m in debt and equity financing.

Memorial University spinout InspectAR helps design printed circuit boards and will expand its software following a purchase by Cadence Design Systems.

Royal Circuit Solutions and Advanced Assembly have exited PCB design technology provider InspectAR, which has been bought by Cadence Design Systems.

The Robert Bosch and Christie Digital-backed digital whiteboard developer has been bought by Lifesize after raising more than $63m in 14 years.

Mobile game developer Playdots is being acquired six years after its only funding round, a $10m series A that included Tencent.

Yahoo Japan has exited the customer intelligence software provider in an acquisition of undisclosed size by TransUnion following more than $78m in funding.

Portland State University spinout DesignMedix has shut down after its phase 1 trial for an antimalaria treatment caused side effects.

The immuno-oncology company – co-founded by Juno Therapeutics, a spinout of several institutions – is reportedly seeking $250m to $300m in a Hong Kong offering.