Hex raises $100 million Series D at $1.2 billion valuation as it rebuilds for AI agents

Peak XV Partners and 137 Ventures led the round, which arrives alongside the launch of Hex 4.0 Hex, the collaborative data analytics and data science platform, has closed a $100 million Series D at a $1.2 billion valuation. The company announced the round on October 27, 2026. The money is only half the announcement. Hex also unveiled Hex 4.0, a full rebuild of its platform aimed at a world where AI agents do more of the data work, and humans mostly check that work. Who wrote the checks Peak XV Partners and 137 Ventures led the round. Participating investors included Amplify Partners, Avra Capital, Andreessen Horowitz (a16z), Next Legacy, Redpoint Ventures, Sequoia, and Zero Prime Ventures. The Series D follows a $70 million Series C that Hex raised in May 2025. Hex says it serves more than 2,500 customers. The company was founded by former Palantir engineers, including CEO Barry McCardel. According to the research findings, Hex posted its best quarter in May 2026. The company tied the decision to raise more capital to plans to grow its workforce and expand its market presence. What Hex 4.0 actually changes Hex 4.0 redesigns the platform so that every interaction with data gets trea...