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Apollo Atomics

Cambridge, United States

seed$26M raisedFreshly fundedClean EnergyEnergy StorageClimate Tech

Total Raised

$26M

Stage

seed

Location

Cambridge, United States

Founded

2025

Team size

1-10

Links

About Apollo Atomics

Apollo Atomics has raised $26 million in seed funding to shrink steam generators for nuclear reactors and target commercial operations by 2028.

What sets it apart

Apollo Atomics claims it can shrink proven pressurized water reactor technology by rethinking the steam generator, enabling factory-built nuclear systems that deploy far faster than traditional plants.

Sectors

Clean EnergyEnergy StorageClimate TechSemiconductors

Business

Modelhardware

CustomerUtilities, industrial power buyers, and data center operators seeking firm clean electricity

Notable

  • Raised $31 million total seed financing, including $26 million equity and $5 million equipment financing
  • Announced a planned commercial deployment target for 2028
  • Built on 15 years of MIT nuclear engineering research
  • Joined Y Combinator's Spring 2026 batch

Backing funds on Raise

Funding rounds

seed$26M

20 Aug 2026

Led by FCVC

With Telesoft Partners, Y Combinator, Alumni Ventures, Robinhood Ventures, Nucleation Capital, Pelion VC, Duke Capital Partners, New Era Ventures, Orange Collective, Stanford University, E14 Fund, Neutron Power Ventures, Neutron Pow

Source ↗

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FAQ

What does Apollo Atomics do?

Apollo Atomics has raised $26 million in seed funding to shrink steam generators for nuclear reactors and target commercial operations by 2028.

Where is Apollo Atomics based?

Apollo Atomics is based in Cambridge, United States, founded in 2025.

How much has Apollo Atomics raised?

Apollo Atomics has raised $26M in tracked funding and is currently at the seed stage.

Who has invested in Apollo Atomics?

Investors in Apollo Atomics include FCVC, Y Combinator, TeleSoft Partners, Alumni Ventures, Pelion Venture Partners, Duke Capital Partners, Robinhood Ventures and Nucleation Capital.