Elon Musk's AI company developing the Grok platform and large-scale data-centre infrastructure.
| Date | Round | Amount |
|---|---|---|
| Feb 2026 | Series D Plus Saudi Arabia's HUMAIN (PIF group) invested $3 billion in xAI's Series E shortly before the merger with SpaceX, later converting the stake into SpaceX shares. | $3B |
| Feb 2026 | Acquired by SpaceX Elon Musk merged xAI into SpaceX (a deal completed on February 2 according to Nevada filings), giving the AI lab access to SpaceX's capital ahead of a possible mega-IPO. | — |
| Jan 2026 | Growth xAI closed a $20 billion round led by Nvidia, above the initial $15 billion target, pushing its valuation past $230 billion to expand data centers and compute capacity. | $20B |
| Jul 2025 | Growth xAI raised $10B in combined debt and strategic equity to fund Grok and data-centre buildout. | $5B |
| Jul 2025 | Debt Debt component ($5 billion) of xAI's overall $10 billion raise, led by Morgan Stanley. | $5B |
| May 2024 | Series B xAI, Elon Musk's AI startup, is closing about $6B in funding at an $18B pre-money valuation, with Sequoia and Future Ventures participating. | $6B |
| Dec 2023 | Funding round Elon Musk AI venture xAI disclosed in an SEC filing it had raised about $135M toward a $1B target. | $135M |