The Alphabet unit has already divested part of its stake in publicly-listed Uber to SoftBank at a $48bn valuation but is considering selling the rest from next month.

Founded from University of Surrey's Space Centre, iKinema was bought by Apple in a move seemingly aligned with the corporate's foray into virtual and augmented reality.

Karolinska Institute's Aprea Therapeutics has priced its shares at $15 to raise $85m, with stock rising a third to $20.50 on the first day of trading.

WarnerMedia, WPP, Discovery Communications and Scripps Networks Interactive will exit the digital media company in a cash and share acquisition.

SIG-backed online content advertiser Outbrain has been acquired for $250m in cash and a 30% stake in competitor Taboola.

Praktikertjänst-backed Aprea Therapeutics has priced its shares at $15 to raise $85m, with stock rising a third to $20.50 on the first day of trading.

Frequency, a regenerative medicine developer based on MIT and Harvard research, priced shares at the bottom of its range to raise $84m in its IPO.

The Alexandria Real Estate Equities-backed regenerative medicine developer floated at the bottom of its range while cutting the number of shares.

Customer engagement platform CrowdTwist has raised $20m from investors including Softbank Capital, KBS+ Ventures and Bertelsmann Digital Media Investments pre-acquisition.

Integrated circuit producer Dice has been bought by one of its investors, locally-based corporate Infineon Technologies Austria.