Halcyon

Cybersecurity · Austin, United States · Founded 2021

Cybersecurity business that develops tools to protect enterprise clients from ransomware

Valuation $1–2.5B

Revenue $10–50M

Headcount 100–500

Unlock exact values

Power Law Unicorn$1–10B valuation tier

Talent graph

Halcyon's talent

Book a demo to see the people

Employees mapped 472 incl. 3 AI specialists

Founders /100 quality score

Key operators 17 quality /100

Potential founders likely future founders

Startup mafia alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Investors

11 investors on Halcyon's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 2 investors entered at this stage

Gula Tech Adventures

SYN Ventures

Series A 2 investors entered at this stage

Dell Technologies Capital

Corner Ventures

Series B+ 7 investors entered at this stage

Corner Capital Management

Bain Capital Ventures

Evolution Equity Partners

Harmony Group Capital

Dropbox

Cisco Investments

ServiceNow

Ownership

Who owns Halcyon

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

27.5% Founders

Bain Capital Ventures 18.2%

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Global footprint

Where Halcyon has talent and traffic

Workforce by country

15 countries with
team presence

🇺🇸 United States83.9%

🇵🇭 Philippines7.4%

🇬🇧 United Kingdom3.2%

🇦🇪 United Arab Emirates1.4%

🇲🇽 Mexico0.8%

Top 5 of 15 shown

Web traffic by country

100K monthly visits
across markets

🇺🇸 United States29.4%

🇨🇦 Canada8.3%

🇮🇳 India7.3%

🇬🇧 United Kingdom5.2%

🇯🇵 Japan4.6%

Top 5 markets shown

Market sentiment

What the market is saying about Halcyon

An AI-synthesized read of the highest-engagement posts about Halcyon on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

See Halcyon on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

Book a demo Explore company profiles