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Deep Fission went public on Nasdaq in a deal valuing the company at approximately $1 billion, becoming the eighth US-based pure-play SMR company to go public.

PUBLIC · FISNOct 05, 2026

Amount Raised

$1 Billion

Round Type

Venture

BerkeleyEnergyRenewable Energy

Description

Deep Fission emerged from stealth mode in August 2024 after raising $4 million in a pre-seed round. The company, which develops advanced nuclear technology including gravity reactors, went public on the Nasdaq approximately 22 months after its initial funding announcement. The IPO valued Deep Fission at about $1 billion. The company aims to address growing power demand from AI and data centers through its small modular reactor technology.

Company Information

Company

Deep Fission

Location

Berkeley, California, United States

About

Deep Fission is a pioneering nuclear energy company revolutionizing the energy landscape by positioning modular nuclear power plants a mile underground. Founded by Elizabeth and Richard Muller in 2023, the company leverages traditional reactor designs in unconventional environments to enhance safety and reduce costs. Their innovation aims to provide clean and affordable nuclear power in response to climate change. Deep Fission is committed to advancing clean energy and global energy security.

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Deep Fission raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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