The SoftBank, Comcast and Alphabet-backed communication platform developer saw its shares pop and its market cap climb nearly 50% to $19.5bn following its direct listing.

UT Austin-founded graph data developer Capsenta has been picked up by Data.world, which has integrated the spinout’s technology with its own product.

Harvard's Root Robotics markets an educational coding robot that teaches children about computer programming and has now been acquired by iRobot for an unspecified amount.

NTT-backed data management software producer Druva has closed a $130m round led by Viking Global Investors and acquired M12-backed data transfer platform CloudLanes.

The mobile game studio has acquired interactive tabletop game maker Sensible Object, handing exits to Amazon and NCSoft.

Battery technology manufacturer Saft has purchased the back-up energy system provider in a transaction that enabled Evergy Ventures to exit.

The AbbVie Ventures-backed neurodegenerative disease treatment developer floated in the middle of its range having previously raised $129m in funding.

The Alexandria Venture Investments-backed genetic disease therapy developer is floating above its range having increased the number of shares in the offering.

GlaxoSmithKline and Alphabet have exited the online drug delivery platform, which has been acquired by Allscripts in a deal reported to be less than $40m in size.

Bird has acquired Mahindra-backed electric scooter rental service Scoot, reportedly for about $25m in cash and stock.