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

This week's rounds and milestones.

By Noah Bovenizer

Jan 26, 2026 10:57 AM 4 min read

Beams of light swirl across a rooftop with the sunset in the background. Optalysys is a photonic computing startup. — Image credit: https://unsplash.com/@federize

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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.