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Apollo Atomics secures $31 million in seed financing to advance its next-generation pressurized water reactors, led by FCVC.

PRIVATEAug 20, 2026

Amount Raised

$31 Million

Round Type

Seed

CambridgeManufacturingEnergyRenewable Energy

Investors

Y CombinatorEvan MeagherDuke Capital PartnersPelion VCAlumni VenturesTelesoft PartnersRobinhood VenturesNucleation CapitalPaul GrahamPhilip JohnstonMatteo FranceschettiRay RothrockFcvc

Description

Apollo Atomics announced $31 million in seed financing to commercialize a scalable nuclear platform. This oversubscribed round will help enhance testing, manufacturing capacity, and regulatory approval efforts. The funding is expected to accelerate the company's development and market entry. Participants included notable investors like Y Combinator and Telesoft Partners.

Quick answer

Apollo Atomics raised $31 Million in a Seed round, dated August 20, 2026. Investors: Y Combinator, Evan Meagher, Duke Capital Partners, Pelion VC, Alumni Ventures, Telesoft Partners, Robinhood Ventures and Nucleation Capital. Apollo Atomics is based in Cambridge, Massachusetts, United States.

How much did Apollo Atomics raise?
Apollo Atomics raised $31 Million in a Seed round on August 20, 2026.
Who invested in Apollo Atomics?
Y Combinator, Evan Meagher, Duke Capital Partners, Pelion VC, Alumni Ventures, Telesoft Partners, Robinhood Ventures and Nucleation Capital are named as investors in this round.
What does Apollo Atomics do?
Apollo Atomics is an MIT spinoff focused on developing the next generation of pressurized water reactors (PWRs) designed for factory-based manufacturing.
Where is Apollo Atomics based and how big is it?
Apollo Atomics is based in Cambridge, Massachusetts, United States. Fundz records about 2 employees.

Source: Fundz verified event record.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Apollo Atomics that raised within 45 days of this round, from Fundz verified event records.

  • Largo raised $5.7M (Post-IPO Equity) on October 3, 2026.
  • Orb Energy raised $2M on October 3, 2026.
  • T1 Energy raised $50M (Convertible Note) on October 2, 2026.
  • TI Clean Mobility Private Limited raised $26M (Series C) on September 30, 2026.
  • Zoomlion Heavy Industry Science & Technology Co Ltd raised $50M on September 29, 2026.
  • Electra Vehicles raised $3.5M (Seed) on September 29, 2026.

Who to call at Apollo Atomics, and when

A new round usually means Apollo Atomics is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Apollo Atomics raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Apollo Atomics, from your own LinkedIn network

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Company Information

Company

Apollo Atomics

Location

Cambridge, Massachusetts, United States

About

Apollo Atomics is an MIT spinoff focused on developing the next generation of pressurized water reactors (PWRs) designed for factory-based manufacturing. The company aims to deliver high power density nuclear reactors capable of providing carbon-free energy for various large-scale energy users. Their innovative approach seeks to reduce the overall reactor footprint and accelerate regulatory processes for commercialization. Apollo has established a commercial pipeline with over 20 gigawatts of signed letters of intent.

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Apollo Atomics 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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