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Atomarine

Atomarine

Private
Boston, MassachusettsAI, Data & Cloud Infrastructurehttps://atomarine.co/

Last Round

Accelerator

Jun 1, 2026

Est. Valuation

$1.79M

Total Funding Raised

$500,000

Company Overview

Atomarine is an energy infrastructure company that develops floating data center platforms designed to provide scalable, offshore compute capacity powered by natural gas and future marine nuclear reactors.

Sector

AI, Data & Cloud Infrastructure

Verticals

Cloud Infrastructure, AI Training Infrastructure, Maritime & Shipping, Computing Hardware

Business Model

B2B

Customer Profile

Hardware + Subscription, Services & Consulting

AI Layer

Non-AI

Keywords

floating data centeroffshore data centerdata center bargecompute infrastructuresmall modular reactorSMRAI infrastructureseawater coolinghyperscale infrastructuremodular powerdata center capacitysea-based data centerunderwater data centeroffshore energy

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Atomarine Comparables

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Atomarine comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Subsea Cloud Inc.
80%
Optimal Transit
78%
DENV-R
77%

Atomarine Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorJun 1, 2026

Atomarine Investors

Notable investors and investment history

Atomarine investors
InvestorRounds
Y CombinatorAccelerator

Atomarine Filings

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Atomarine filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Atomarine's valuation, stock price, and market status.

Is Atomarine a public or private company?

Atomarine is a private company.

What is the current stock price of Atomarine?

Atomarine is a private company with no public stock price. Caplight tracks Atomarine's secondary market activity and provides MarketPrice™ estimates to Caplight users.

How much is Atomarine worth (valuation)?

Atomarine's valuation is estimated at $1.8M based on funding round data.

Can I buy Atomarine stock?

Atomarine shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Atomarine's last funding round?

Atomarine's most recent funding round was Accelerator on June 1, 2026.

Who are the main investors in Atomarine?

Key investors in Atomarine include Y Combinator.

Will Atomarine IPO soon?

No public IPO plans have been announced for Atomarine.

How can I track Atomarine secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Atomarine's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBoston, Massachusetts
Year Founded2026
Last FundingJun 1, 2026

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