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Nautilus Data Technologies

Nautilus Data Technologies

Private
Pleasanton, CaliforniaAI, Data & Cloud Infrastructurehttps://nautilusdt.com/

Last Round

Series B

Jan 27, 2026

Est. Valuation

$111M

Total Funding Raised

$396.54M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Nautilus Data Technologies is a technology company that develops water-cooled data center infrastructure solutions designed to improve energy efficiency and environmental sustainability.

Sector

AI, Data & Cloud Infrastructure

Verticals

Cloud Infrastructure, Energy Management, Green Building, AI Training Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting, Subscription SaaS

AI Layer

Infrastructure

Keywords

liquid coolingdata center coolingcooling distribution unitCDUhigh-density computesustainable data centergreen data centerAI infrastructurepower usage effectivenessPUEwater usage effectivenessWUEdirect-to-chip coolingimmersion coolingdata center colocationmodular data centerHPC infrastructure

Historical Pricing

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Caplight Momentum Score

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Nautilus Data Technologies Comparables

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Nautilus Data Technologies comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Green Revolution Cooling
83%
Submer
82%
Iceotope
80%

Nautilus Data Technologies Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJan 27, 2026
Series DJul 17, 2024
Series CSep 13, 2022
Convertible DebtAug 9, 2021
Series C ExtensionDec 29, 2020
Series C Extension
Dec 1, 2020

Key People

Founding team and executive leadership

Robert Pfleging

Chief Executive Officer

Executive Team

Nautilus Data Technologies Investors

Notable investors and investment history

Nautilus Data Technologies investors
InvestorRounds
ICM LimitedConvertible Debt
Mancal CorporationSeries C Extension
Emerson CollectiveSeries C
UIL LimitedConvertible Debt
Pangaea VenturesSeries B
National Treasury Management AgencySeries C
Orion Infrastructure CapitalDebt

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 27, 2026

    $21M round led by Pangaea Ventures.

  • Sep 8, 2025

    Debut of expanded EcoCore COOL Cooling Distribution Unit (CDU) product line for AI and HPC.

Nautilus Data Technologies Filings

SEC and related filings with document metadata.

Data table
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Nautilus Data Technologies Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersPleasanton, California
Employee Range34
Year Founded2013
Last FundingJan 27, 2026

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