Public cloud for developers — Docker apps deployed to a 35+ region Anycast network with sub-second cold starts.
Fly.io runs Docker apps on a globally distributed network of 35+ regions, with sub-second cold-start microVMs (Fly Machines), managed Postgres clusters, and distributed SQLite replication (LiteFS). Pioneered the 'deploy your app close to users' wave that Vercel + Cloudflare formalized. Notable customers: Anthropic uses Fly for Claude Code sandbox infrastructure.
Developer Tools📍 Chicago, ILFounded 2017
Current Valuation
$397M
as of 2023
PRIVATE
QL Price
$487.24M
+23% vs last round
QuantLogix's current estimate for Fly.io, published 2026-08-29 — above the last disclosed round of $397M (2023).
Confidence
medium
Basis
secondary led
What backs this price
Last disclosed round
$397M
2023
weight 0.16
Secondary market print
$508.16M
2026-06-27
weight 0.68
How this price has held up
No round has priced for Fly.io since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-08-29 and will be graded against the next priced round. See the full accuracy record →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Fly.io, 2026-08-29 (d4004251434b07ab).
The id pins this exact claim, so a citation stays checkable after the price moves.
Model estimate for research — not a quote, target price, or investment advice.
IPO Outlookprivate
Is Fly.io going public?
No. Fly.io has no imminent IPO plans on record. It is still private.
What is Fly.io's valuation in 2026?
Fly.io is valued at $397M as of 2023, set by its Series B ($70M, Jul 2022). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Fly.io filed an S-1?
No public S-1 is on file for Fly.io.
Who are Fly.io's investors?
Fly.io's investors include EQT Ventures, Andreessen Horowitz, Intel Capital, Y Combinator, Dell Technologies Capital, GV and 2 more.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
CEO
Kurt Mackey
Founded
2017
HQ
Chicago, IL
Employees
~60
Total Raised
$110.5M
Est. Revenue
$11.2M (2024)
Growth
~47% YoY ($11.2M 2024 vs $7.6M 2023)
Last Round
Series B — $70M (Jul 2022) · Lead: EQT Ventures
IPO Status
no imminent plans
Fundraising Status
Series B · $70M · 4y 1mo ago
no imminent plansTotal raised $110.5M
Secondary Market
Implied price / share
$20
Last round price / share
$15.63
vs last round
+28.0%
Open interest
1
Last round price vs secondary price
Secondary price return by period
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Series B
$70M
Jul 2022
EQT Ventures
—
Talent Signal
Hiring trend
● First snapshot
trend accrues with monthly sweeps
Open roles
4
via careers page
Product-build share
0%
engineering, research, product, design
Trajectory
steady
go-to-market push — Only 0% of open roles build product — hiring is concentrated in sales/marketing/ops (2 of 4 open roles are marketing).
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
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Counted from Fly.io's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Founders & Key People
Kurt MackeyThomas PtacekSteve Berryman
Investors
EQT Ventures · Andreessen Horowitz · Intel Capital · Y Combinator · Dell Technologies Capital · GV · Initialized Capital · SV Angel
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2023. Refreshed quarterly.