The AI industry in the U.S. is experiencing a significant surge in investment activity. Building on the momentum from 2024, when 49 startups raised $100 million or more, 2025 is shaping up to be another robust year for AI funding. With the third quarter nearing its end, several companies have already secured billion-dollar rounds, and some have received multiple substantial investments.
In August, EliseAI, a platform for healthcare and housing automation, raised $250 million, valuing it at $2.2 billion. Decart, an AI research lab, secured $100 million, while Reka AI and Thinking Machines Lab also announced significant funding rounds. July saw Fal, a generative media platform, raise $125 million, and Ambience Healthcare receive $243 million for its AI healthcare operating system. OpenEvidence, Harmonic, and others also attracted substantial investments.
In June, Abridge, a healthcare AI unicorn, raised $300 million, and Harvey, focusing on AI tools for the legal industry, secured another $300 million. The month also witnessed Tennr and Glean raising significant amounts, while Anysphere, known for its AI coding tool Cursor, raised $900 million.
May featured Snorkel AI and LMArena both securing $100 million rounds, while TensorWave raised a similar amount for AI infrastructure. April’s highlights included SandboxAQ’s $450 million round and Runway’s $308 million investment. Earlier in the year, Together AI, Lambda, and other startups also announced major funding rounds, reflecting the continued investor confidence in the U.S. AI sector.
