Fly.io
PrivateLast 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.
Fly.io Comparables
Compare Fly.io with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Render | 88% | |
| Railway | 83% | |
| Mistral AI | 79% |
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Fly.io Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Jul 7, 2026 | ||||
| Series C | Jun 27, 2023 | ||||
| Series B | Jul 28, 2022 | ||||
| Series A | Aug 1, 2021 | ||||
| Seed | Apr 1, 2020 | ||||
Pre Seed | Feb 1, 2017 |
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Fly.io Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series C, Series D, Series B |
| Rising Tide Fund | Pre Seed |
| Geodesic Capital | Series D |
| EQT Ventures | Series C |
| EQT AB | Series D |
| Intel Capital | Series C, Series B, Series A, Series D |
| Initialized Capital Management | Seed, Series B |
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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.
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Fly.io Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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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.