Skip to main content
Caplight Logo









Fly.io

Fly.io

Private
Chicago, IllinoisAI, Data & Cloud Infrastructurehttps://fly.io

Last Round

Series D

Jul 7, 2026

Est. Valuation

$467M

Total Funding Raised

$110.5M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Fly.io operates in AI, Data & Cloud Infrastructure and is based in Chicago, Illinois. Its latest recorded funding round was a Series C round in June 2023.

Fly.io is a software development applications company that provides a public cloud platform enabling developers to deploy and run full-stack applications and databases close to end-users.

Sector

AI, Data & Cloud Infrastructure

Verticals

Cloud Infrastructure, DevOps & Containers, Edge Computing, Platform-as-a-Service, Serverless Computing

Business Model

B2B

Customer Profile

Usage-Based SaaS, Freemium, Subscription SaaS

AI Layer

Infrastructure

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

Book a demo

For institutional investors. Book with your work email.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

Book a demo

For institutional investors. Book with your work email.

Fly.io Comparables

Compare Fly.io with similar companies based on industry and business-model similarity.

Fly.io comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Render
88%
Railway
83%
Mistral AI
79%
Book a demo to see all comparables

For institutional investors. Book with your work email.

Fly.io Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series DJul 7, 2026
Series CJun 27, 2023
Series BJul 28, 2022
Series AAug 1, 2021
SeedApr 1, 2020
Pre Seed
Feb 1, 2017
Book a demo to see all funding rounds

For institutional investors. Book with your work email.

Fly.io Investors

Notable investors and investment history

Fly.io investors
InvestorRounds
Andreessen HorowitzSeries C, Series D, Series B
Rising Tide FundPre Seed
Geodesic CapitalSeries D
EQT VenturesSeries C
EQT ABSeries D
Intel CapitalSeries C, Series B, Series A, Series D
Initialized Capital ManagementSeed, Series B
Book a demo to see all 10 investors

For institutional investors. Book with your work email.

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 31, 2026

    Grew 20% QoQ, from 50 to 60 employees.

  • Jul 7, 2026

    $23M round led by Intel Capital and Dell Technologies Capital.

Book a demo to see all signals

For institutional investors. Book with your work email.

Fly.io Filings

Explore SEC and related filing metadata, where available.

Fly.io 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.

Book a demo

For institutional investors. Book with your work email.

Frequently Asked Questions

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

Is Fly.io a public or private company?

Fly.io is a private company.

What is the current stock price of Fly.io?

Fly.io is a private company, so its shares have no public market price. Caplight tracks Fly.io's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Fly.io worth (valuation)?

Fly.io's valuation is estimated at $467.0M based on funding round data.

Can I buy Fly.io stock?

Fly.io shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Fly.io's last funding round?

Fly.io's most recent funding round was Series D on July 7, 2026.

Who are the main investors in Fly.io?

Key investors in Fly.io include Andreessen Horowitz, EQT Ventures, Intel Capital, Initialized Capital Management, Dell Technologies Capital.

Will Fly.io IPO soon?

No public IPO plans have been announced for Fly.io.

How can I track Fly.io secondary market activity?

Caplight tracks bids, offers, and trades in Fly.io's shares on secondary markets.

Firmographic Details

HeadquartersChicago, Illinois
Employee Range58
Year Founded2017
Last FundingJul 7, 2026

Institutional Data Access

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

Book a demo

For institutional investors. Book with your work email.

See something wrong or outdated?