Posted by Alumni from Crunchbase
April 25, 2026
This week, just half of the top 10 rounds crossed the $100 million mark, which is somewhat unusual in this high-flying era for venture megarounds. Nonetheless some large checks did get written, led by Amazon's $5 billion investment and partnership deal with Anthropic. Other sizable rounds went to companies in sectors including aviation autonomy, vision therapy and AI analytics. 1. Anthropic, $5B, foundational AI: AI giant Anthropic announced that Amazon is investing $5 billion in the company, with up to an additional $20 billion in the future. Previously, Amazon had invested $8 billion in the San Francisco-based company. The latest financing also includes a partnership with Amazon for training and deploying Anthropic's AI assistant Claude. 2. Reliable Robotics, $160M, autonomous aircraft: Reliable Robotics, a developer of autonomous aircraft systems, raised $160 million in fresh financing led by Nimble Partners. The 9-year-old, Mountain View, California-based company markets its... learn more