Halcyon has raised a total of $209 million in funding over multiple rounds, achieving unicorn status in November 2024. Its latest Series C round of $125 million, closed on October 31, 2024, was led by Corner Ventures and Evolution Equity Partners. Founded in 2021 and headquartered in San Francisco, California, United States, the company provides AI-powered cybersecurity solutions, including enterprise antivirus and anti-ransomware protection. Valued at $1 billion, Halcyon continues expanding globally in AI-native cybersecurity, safeguarding organizations against ransomware and advanced cyber threats.