xAI raises $20 billion Series E
$20 billion Series E. Valor, StepStone, Fidelity, QIA, MGX, NVIDIA and Cisco Investments participated
Why it matters
Among the largest single rounds for an AI startup. The valuation was not disclosed in the announcement
Source — Primary sources first; secondary reports are labelled “Press”
Officialx.aihttps://x.ai/news/series-eAdded in Week 35, 2026 · See that week