Robinhood CEO's AI math company Harmonic completes $100 million Series B funding, valued at $875 million According to Bloomberg, Harmonic, an AI math company co founded by Robinhood CEO Vlad Tenev, announced the completion of a $100 million Series B funding round with a valuation of $875 million. This round is led by Kleiner Perkins, with funding from Sequoia Capital, Index Ventures, and Paradigm. The company is owned by Tenev and http://Helm.ai Former CEO Tudor Achim founded in 2023 with the aim of building artificial intelligence systems capable of solving complex mathematical problems, thus creating what the company calls "mathematical superintelligence". Harmonic plans to open its flagship artificial intelligence model Aristotle to researchers and the public later this year.