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Apollo Atomics

Energy · Cambridge, United States · Founded 2025

Compact, factory-fabricated nuclear reactors for reliable baseload power MoreLess

Apollo Atomics, founded in 2024 and headquartered in Cambridge, MA, develops compact nuclear systems based on 15 years of research from MIT's Department of Nuclear Science and Engineering. The company's technology utilizes established nuclear materials and regulatory-approved fuel sources to create systems that are significantly more compact—reportedly 90 times smaller—than traditional pressurized water reactors. This compact design, combined with factory fabrication, aims to enable rapid and reliable deployment at a predictable cost, targeting the critical need for stable baseload power.

The firm's business model centers on offering superior economics through enhanced power density and simplified operations. It leverages a revolutionary design to serve global markets that require dependable energy. The company's foundation is built upon extensive scientific research and advancement, positioning it to address surging global energy demands. Investors include Genesis Fund (Boston) and the US National Science Foundation.

The initial information appears to conflate 'Apollo Atomics' with another nuclear startup, 'Aalo Atomics'. Aalo Atomics was co-founded by CEO Matt Loszak and CTO Yasir Arafat in 2023. Aalo is developing mass-manufactured small modular reactors, specifically a product called the 'Aalo Pod', which is a 50 MWe power plant designed to power data centers. This system uses five 10 MWe sodium-cooled reactors with a single turbine, allowing for high redundancy and continuous power even during refueling.

Keywords: nuclear systems, compact nuclear reactors, factory fabrication, baseload power, MIT research, nuclear science, power density, advanced reactors, sustainable energy, energy technology, nuclear engineering

Company overview

Apollo Atomics company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2025
Headquarters
Cambridge, United States
Employees
9
Open positions
None listed
Dealroom signal
85.6
client focusb2btechnologyArtificial IntelligencetechnologyDeep Techbusiness modelManufacturingsectorSustainable Development GoalssectorNuclear FissionsectorAdvanced MaterialssectorClimate TechsectorNIF defense security and resiliencesectorNIF Energy Security and Climate ChangesectorYC X26industryEnergy

Valuation & funding

Apollo Atomics funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SEEDEquity / VC Aug 2026 $31M $124M Telesoft Partners · Duke Capital Partners · Y Combinator · Paul Graham
SEEDEquity / VC Mar 2026 $125K $500K Y Combinator
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Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 9
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Apollo Atomics website traffic

Latest recorded traffic for Apollo Atomics is 6K monthly website visits, up 114.3% over the last three months.

Latest monthly visits6K 3-month web change+114.3%
Monthly website visits5 observations · Mar 2026–Jul 2026
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Comparisons

Apollo Atomics compared with similar companies

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Showing 8 of the closest matchesCompare every metric →

Talent graph

Apollo Atomics's talent

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Team profiled 3 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

12 investors on Apollo Atomics's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 12 investors entered at this stage
Y Combinator
FCVC
Telesoft Partners
Duke Capital Partners
Paul Graham
Ray Rothrock
Nucleation Capital
Pelion Venture Partners
Matteo Franceschetti
Alumni Ventures
Philip Johnson
Robinhood Ventures

Global footprint

Where Apollo Atomics has talent and traffic

Workforce by country
2 countries with
team presence
🇺🇸 United States85.7%
🇭🇰 Hong Kong14.3%
2 countries shown

In the news

Latest news about Apollo Atomics

Recent press, funding announcements, and product moves mentioning Apollo Atomics — open to read from the original sources.

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Market sentiment

What the market is saying about Apollo Atomics

An AI-synthesized read of the highest-engagement posts about Apollo Atomics on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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