
Valar Atomics Raises $1B Series B at $6B Valuation
US nuclear startup Valar Atomics raises $1B Series B led by Sequoia at a $6B valuation to mass-produce modular waterless nuclear microreactors purpose-built to power AI data centers.
Daily Digest
Daily Digest
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Funding rounds, valuations, acquisitions, and IPOs - daily coverage of the companies shaping the private markets

US nuclear startup Valar Atomics raises $1B Series B led by Sequoia at a $6B valuation to mass-produce modular waterless nuclear microreactors purpose-built to power AI data centers.

US AI-native accounting startup Rillet closes a $100M Series C led by ICONIQ, hitting unicorn status at $1B valuation two years after emerging from stealth with 600+ enterprise customers.

US voice AI startup Wispr raises $280M Series B at a $2B valuation led by Menlo Ventures to expand its AI dictation platform into meetings, note-taking, and broader productivity tools.

Manchester cybersecurity startup Cytix raises $7M Series A led by Northern Gritstone for its platform that continuously monitors and validates security risk in every AI-driven software change, with KPMG and NCC Group among its customers.

US biotech EpiCrispr Biotechnologies closes a $90M oversubscribed Series C led by Octagon Capital and Janus Henderson to advance its lead epigenetic gene therapy toward pivotal studies in rare muscle disease FSHD.

Stockholm fintech Quartr raises $18M led by Altos Ventures to expand its AI-ready investor relations data platform, which covers 15,000+ public companies and is used by four of the world's five largest hedge funds.

US healthcare data startup Ours Privacy raises a multiple-times-oversubscribed $15M Series A led by Lightbank for its HIPAA-compliant customer data platform, now used by 200+ healthcare organizations.

US AI biology startup Outer Biosciences exits stealth after raising ~$23M; the company keeps living human skin alive outside the body for over a month to train AI models that discover new cosmetic and pharmaceutical ingredients.

US-Spanish enterprise AI startup HappyRobot raises $150M Series C at a $1.2B unicorn valuation, led by Prysm Capital and Eurazeo, to deploy AI agents that automate complex enterprise workflows for clients like DHL and Uber.

British-Nigerian autonomous vehicle fleet company Moove raises $250M Series C at a $2.1B valuation led by Mubadala to own and operate vehicle fleets, charging depots, and city operations for the robotaxi industry.

US critical minerals startup Mariana Minerals raises $310M Series B led by Khosla Ventures and a16z to expand its AI-powered autonomous mining operations for copper and other strategic materials.

AI video and image generation startup Higgsfield raises $400M Series B at a $5.4B valuation led by DST Global, having reached $700M in annualized revenue in under eight months, with 390 Fortune 500 customers.