Tiger Global poised to gain $5B from early OpenAI investment

OpenAI: OpenAI builds frontier artificial intelligence models and developer tools for applications including coding, agents, and enterprise workflows. In late September 2026 the company hosted its annual DevDay event, rolling out updates such as enhanced agent capabilities, new model tiers, and expanded API features. It has drawn long-term backing from investors including Tiger Global since its early financing rounds. Tiger Global: Tiger Global is a New York-based hedge fund and venture capital firm led by Chase Coleman that invests across public and private technology companies with a focus on AI infrastructure and applications. It maintains an early position in OpenAI from initial rounds and has continued deploying capital into AI names while launching a follow-on venture fund in late 2025. As of September 2026 the firm remains active, holding discussions for new investments such as in prediction markets platform Kalshi. Product Innovation: OpenAI recently introduced expanded agent tools and model improvements at its September 2026 DevDay event. Investment Activity: Tiger Global continues to pursue new venture opportunities in 2026 alongside managing existing AI holdings.