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Nuclear energy startup Aalo has raised $100 million in a Series B funding round.

PRIVATEAug 19, 2025

Amount Raised

$100 Million

Round Type

Series B

AustinManufacturingEnergyRenewable Energy

Investors

Nucleation CapitalPerpetual VCGaingelsMcjAlumni VenturesCrescent EnterprisesHarpoon Ventures50 YKindred VenturesTishman SpeyerVamos VenturesNRG EnergyCrosscutHitachi VenturesFine Structure VenturesValor Equity Partners

Description

Aalo, a nuclear energy startup, has successfully raised $100 million in Series B funding to accelerate the development of its innovative energy solutions. The investment highlights the growing global interest in sustainable power sources and reinforces Aalo’s potential to transform the energy industry. With this milestone, Aalo continues to gain momentum and recognition for its mission to shape the future of clean, reliable energy.

Quick answer

Aalo raised $100 Million in a Series B round, dated August 19, 2025. Investors: Nucleation Capital, Perpetual VC, Gaingels, Mcj, Alumni Ventures, Crescent Enterprises, Harpoon Ventures and 50 Y. Aalo is based in Austin, Texas, United States.

How much did Aalo raise?
Aalo raised $100 Million in a Series B round on August 19, 2025.
Who invested in Aalo?
Nucleation Capital, Perpetual VC, Gaingels, Mcj, Alumni Ventures, Crescent Enterprises, Harpoon Ventures and 50 Y are named as investors in this round.
What does Aalo do?
Aalo Atomics is a US-based company focused on developing small nuclear reactors for clean energy production.
Where is Aalo based and how big is it?
Aalo is based in Austin, Texas, United States. Fundz records about 120 employees.
Who are the decision-makers at Aalo?
Fundz holds 1 contact at Aalo, including the SVP Commercialization, Aalo. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

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

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

  • SeaWarm raised $741K (Seed) on September 30, 2025.
  • Open Waters Solar raised $79K (Pre-Seed) on September 26, 2025.
  • Aternium raised $1M (Seed) on September 26, 2025.
  • Daniel Measurement and Control raised an undisclosed amount on September 25, 2025.
  • Xbattery raised $2.3M (Seed) on September 24, 2025.
  • Blue Energy Motors raised $30M (Funding Round) on September 19, 2025.

Who to call at Aalo, and when

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

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Company Information

Company

Aalo

Location

Austin, Texas, United States

About

Aalo Atomics is a US-based company focused on developing small nuclear reactors for clean energy production. The company aims to manufacture reactor systems in gigafactories to ensure low costs and efficient construction. Their flagship project, the Aalo-1 microreactor, is designed to be a factory-fabricated unit using advanced fuel technology. Aalo Atomics is committed to making clean energy accessible and reliable through innovative solutions.

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Related People

1 contact
Verified contactsJon, SVP Commercialization, AaloSee plans and pricing
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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

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

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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