Skip to main content
Caplight Logo









Thermopylae Aerospace

Thermopylae Aerospace

Private
Hawthorne, CaliforniaFrontier & Industrial Techhttps://thermopylae.space/

Last Round

Pre Seed

Nov 26, 2025

Total Funding Raised

$2.5M

Momentum

Top 50%

of companies Caplight tracks

Company Overview

Thermopylae Aerospace is an aerospace and defense company that develops modular, autonomous, and cost-effective air defense systems to counter aerial threats.

Sector

Frontier & Industrial Tech

Verticals

Defense Tech, Aviation & Drones, Drones & UAVs

Business Model

B2G

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Application

Keywords

counter-UASC-UASdrone defenseair defense systemautonomous defensedefense techinterceptordrone interceptorautonomous guidancethermal trackingdefense contractorB2Gcritical infrastructure protectionhardware innovation

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Thermopylae Aerospace Comparables

Compare Thermopylae Aerospace with similar companies based on industry and business-model similarity.

Thermopylae Aerospace comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Askari Defense
86%
Nordic Air Defence
82%
Skapion
81%

Thermopylae Aerospace Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedNov 26, 2025
AcceleratorJun 1, 2025

Thermopylae Aerospace Investors

Notable investors and investment history

Thermopylae Aerospace investors
InvestorRounds
SGA CapitalPre Seed
UA1 vcPre Seed
Founders, Inc.Accelerator, Pre Seed
Cyrus VenturesPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Nov 26, 2025

    $3M round led by Naval Ravikant

  • Jun 1, 2025

    Secured funding from Founders, Inc.

Recent news

Latest coverage and updates

  • attends_eventAug 20, 2026

    Thermopylae attended event Game of Drones 26-2 on Jul 1st '26.

Thermopylae Aerospace Filings

Explore SEC and related filing metadata, where available.

Thermopylae Aerospace filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

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

Is Thermopylae Aerospace a public or private company?

Thermopylae Aerospace is a private company.

What is the current stock price of Thermopylae Aerospace?

Thermopylae Aerospace is a private company with no public stock price. No recent secondary market data is available.

How much is Thermopylae Aerospace worth (valuation)?

Valuation information for Thermopylae Aerospace is not publicly available.

Can I buy Thermopylae Aerospace stock?

Thermopylae Aerospace 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 Thermopylae Aerospace's last funding round?

Thermopylae Aerospace's most recent funding round was Pre Seed on November 26, 2025.

Who are the main investors in Thermopylae Aerospace?

Key investors in Thermopylae Aerospace include SGA Capital, UA1 vc, Founders, Inc., Cyrus Ventures.

Will Thermopylae Aerospace IPO soon?

No public IPO plans have been announced for Thermopylae Aerospace.

How can I track Thermopylae Aerospace secondary market activity?

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

Firmographic Details

HeadquartersHawthorne, California
Year Founded2025
Last FundingNov 26, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?