H
Halcyon
Cybersecurity business that develops tools to protect enterprise clients from ransomware
At a glance
- Founded
- 2021
- Headquarters
- Austin, United States
- Sector
- Cybersecurity
- Power Law
- Unicorn$1–10B valuation tier
Knowledge graph
More headlines
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed2 investors entered at this stage
- GAGula Tech Adventures
- SVSYN Ventures
Series A2 investors entered at this stage
Dell Technologies Capital- CVCorner Ventures
Series B and later7 investors entered at this stage
- CMCorner Capital Management
Bain Capital Ventures- EPEvolution Equity Partners
- HCHarmony Group Capital
Dropbox
Cisco Investments
ServiceNow
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Market sentiment
An AI-synthesised read of the highest-engagement posts about Halcyon on X, ranked by likes and reposts, corporate channels excluded.
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.