Arena
Arena evaluates AI models through comparisons and observations of how people use them in real tasks.
$200MSeries B
ParticipantQ
QuantumLight
Activity from announced rounds
Activity in this selectionUnited States · Oct 16, 2026 · Sep 17, 2026
QuantumLight is a venture firm founded by Revolut co-founder Nik Storonsky that uses data and AI in its investment process.
Investment approach
The firm describes a systematic approach supported by its Aleph AI system, alongside investment teams and operating playbooks for founders. Its official portfolio spans AI infrastructure, financial services and other technology sectors.
Activity recorded by RoundOS
RoundOS records Arena’s model evaluation platform, Onyx Security’s enterprise AI controls, Thatch’s health benefits and Gimlet Labs’ inference infrastructure. These are examples of financing recorded in the database across AI and technology-enabled services.
Sources
- Rounds participated in
- 1
- Confirmed lead rounds
- 0 All roles disclosed
- New companies
- 1 First participation on record · 0 follow-on
- Funding in participating rounds
- $200M 1 disclosed · full round size, not this investor’s share