Aether Fuels

Aether Fuels

Private
Chicago, IllinoisEnergy & Sustainabilityhttps://www.aetherfuels.com

Last Round

Convertible Debt

Jan 12, 2026

Total Funding Raised

$57.5M

Momentum Score

25 /100

Company Overview

Aether Fuels Inc. is a climate technology company developing a proprietary process to produce sustainable liquid fuels for the aviation and ocean shipping industries from waste carbon feedstocks.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Carbon Capture, Maritime & Shipping, Aviation & Drones

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

sustainable aviation fuelSAFgreen jet fuelwaste carbon feedstocksdrop-in fuelscarbon conversione-fuelsclimate techFischer-Tropsch processgas-to-liquids technologyGTLtechnology licensingaviation decarbonizationbiofuelsshipping decarbonizationsustainable diesel

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.

Aether Fuels Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

View Full Comps Set

Access detailed peer comparisons, multiples, and valuation benchmarks.

Aether Fuels Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Convertible DebtJan 12, 2026
Series AJun 27, 2024
SeedDec 14, 2023
SpinoffApr 1, 2022

Key People

Founding team and executive leadership

Conor Madigan

Founder And CEO

Founding Team

Aether Fuels Investors

Notable investors and investment history

InvestorRounds
TechEnergy VenturesSeed, Convertible Debt, Series A
Zeon VenturesSeries A
TemasekSpinoff
Xora InnovationSpinoff, Convertible Debt, Series A, Seed
Foothill VenturesSeed, Convertible Debt, Series A
EDBIConvertible Debt
Aster VenturesConvertible Debt

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 15, 2026

    Stu Stott appointed Global Vice President of Projects.

  • Jan 12, 2026

    $15M raised in convertible debt financing.

Aether Fuels Filings

SEC and related filings with document metadata.

TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Aether Fuels Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersChicago, Illinois
Employee Range34
Year Founded2022
Last FundingJan 12, 2026

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.







Disclaimer All investments involve risk, including the risk of loss of principal. You should carefully consider your investment objectives, risks, transaction costs and other expenses before deciding to invest in options, swaps or other investments.This does not constitute an offer by Caplight Technologies, Inc. to sell, or a solicitation of an offer to buy, any securities and may not be used or relied upon in connection with any offer or sale of securities. An offer or solicitation can be made only through the delivery of final offering document(s) and purchase agreement(s), and will be subject to the terms and conditions and risks delivered in such documents. Any securities offered are offered through Caplight Markets LLC, member FINRA/SIPC.