Fundraising

Radiant Nuclear raises $300M for its semi-sized 1 MW reactor

Another day, another nine-figure round for a nuclear startup. Radiant Nuclear said today that it has raised more than $300 million, just one day after Last Energy said it had raised $100 million. Three weeks ago, X-energy raised $700 million, and in August, Aalo Atomics raised $100 million. Heck, Radiant itself raised $165 million just […]

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Nuclear startup Last Energy raises $100M for its steel-encased micro reactor

After years in the wilderness, it’s a good time to be a nuclear startup. “For the first half a decade that I was telling people I was doing nuclear, I had to convince them, ‘Hey, here’s why nuclear is important,’” Bret Kugelmass, founder and CEO of Last Energy, told TechCrunch. “Now everyone just comes to

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Mirelo raises $41M from Index and a16z to solve AI video’s silent problem

AI lets anyone create videos, but many AI video creation tools lack support for audio. Mirelo is building AI that adds soundtracks to match the video’s action. Earlier this year, the Berlin-based startup released Mirelo SFX v1.5, an AI model that interprets videos to add synced sound effects (SFX).  This attracted attention from VCs gearing

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Oboe raises $16 million from a16z for its AI-powered course generation platform

Oboe, a learning startup from Anchor co-founders and former Spotify execs Nir Zicherman and Michael Mignano, said today it has raised $16 million in Series A funding led by a16z, with participation from existing investors Eniac, Haystack, Offline, and Factorial. The round also saw investments from individuals such as Adam D’Angelo, Garry Tan, Lenny Rachitsky,

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Heat pump startup Quilt raises $20M Series B to expand sales

Quilt, the Redwood City-based, California startup that’s created sleek, customizable heat pumps, has raised $20 million in a Series B round that closed recently. The company previously raised a $33 million Series A, which it announced in April 2024. The new round was led by Energy Impact Partner and Galvanize with participation from Alumni Ventures,

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Day One Ventures’ Masha Bucher on why every founder needs to be an influencer

Tech is racing ahead while society struggles to keep up. Masha Bucher, founder and GP of Day One Ventures, built her firm around closing that gap by combining venture capital with hands-on PR to help portfolio companies not just raise money, but actually break through the noise.   Day One’s been an early backer of companies like World, Superhuman, and Remote.com, with 12

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Nothing looks to its community to raise $5M, wants to be ‘IPO-ready’ in 3 years

Hardware maker Nothing is letting its user base buy its stock as part of a new community investment round of $5 million. The new round, which opens on December 10, will enable consumers to buy the company’s shares at its Series C valuation of $1.3 billion. The company said it has so far raised $8

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Microreactor startup Antares raises $96M for land, sea, and space-based nuclear power

Nuclear startup Antares said Tuesday it has raised $96 million in Series B funding as it pursues its small modular reactor design. The round, which was led by Shine Capital with participation from Alt Capital, Caffeinated, FiftyThree Stations, Industrious, and others, consists of $71 million in equity and $25 million in debt. Antares says it

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