STACKUP: The Stack's weekly tech startups and funding wrap

This week's rounds and milestones.

May 18, 2026 7:00 PM 4 min read

STACKUP: The Stack's weekly tech startups and funding wrap — Image credit: https://unsplash.com/@sickle

Welcome to The Stack’s weekly round-up of the latest startups, scaleups, and funding news. (Want us to include your milestone in the next wrap-up? Get it to Noah Bovenizer here with the story in 50 words or fewer.)

British company Iceotope raised a cool $26 million round this week and CEO Simon Jesenko spoke to The Stack about the future of cold plates in data centres.

There was no cooling down for the AI and deep tech markets: Anduril and Isomorphic Labs raised multi-billion-dollar rounds, and a chip startup, quantum company, and self-improving AI lab all raised more than $100 million.

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Noah Bovenizer

Noah Bovenizer is a reporter with The Stack. He previously covered the transportation sector for Global Data. He has a first class degree in journalism and has also worked as a newsreader for Gaydio.