QuantumLight is an investment firm engineered as a technology company, founded by a team of tech unicorn founders, quant traders, AI scientists, and engineers.

London
Joined April 2026
QuantumLight retweeted
We have raised $200M at a $5B valuation to scale self-improving software development in the enterprise. @FactoryAI has grown to serve hundreds of thousands of developers at companies including RBC, Adobe, Nvidia, T-Mobile, and Palo Alto Networks. We will use this capital to accelerate our investments in research, product, and global go-to-market.
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QuantumLight retweeted
Today, we're announcing @thatch_ai raised a $108M Series C at a $1B valuation from @thegp, @IndexVentures, @generalcatalyst, @a16z. The idea we're betting on: healthcare serves whoever controls the dollar. For 80 years that's been the employer. We think it should be you. Employers typically choose one health plan for everyone. We think there's a better model: give people a health budget and let them choose the insurance and care that fits their life. That is the idea behind Thatch. ARR has grown nearly 7x in the last twelve months, and more than 5,000 employers now use Thatch. None of this happens without our team, or without the employers who believe that their people know what their families need better than they ever could. We're building a healthcare system people love by changing how we fund it.
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