Posted by Alumni from Crunchbase
May 9, 2026
Another week, another infusion of big AI rounds. For this past week, the largest fundraiser by a long shot was Sierra, a developer of AI customer experience tools that picked up $950 million. Other big rounds went to companies in sectors including satellite development, biotech, and, yes, more vertical AI and AI infrastructure. 1. Sierra, $950M, customer experience AI: Sierra, a provider of AI-driven tools for customer experience management, raised $950 million in fresh funding at a $15 billion valuation. Google Ventures and Tiger Global led the financing for the three-year-old, San Francisco-based company. 2. Astranis, $455M, space tech: Astranis, a developer of advanced satellites for high orbits, secured $450 million in equity and debt investment. The financing included a $300 million Series E equity round led by Snowpoint Ventures and Franklin Templeton and up to $155 million in credit through Trinity Capital. 3. Anagram Therapeutics, $250M, biotech: Natick, Massachusetts-based... learn more