Government fundAbu Dhabi, UAE
MGX
An Abu Dhabi investment firm built specifically for AI, formed as a joint venture between Mubadala and AI and cloud company G42, and chaired by Sheikh Tahnoon bin Zayed Al Nahyan. In its first eighteen months it went from launch to co-leading some of the largest private funding rounds ever recorded, and in July 2026 closed the biggest dedicated AI fund raised to date.
Companies it has backed
Only deals we could confirm for MGX - each one links to where it was reported.
Co-led OpenAI's $122B raise (March 2026)
Creator of ChatGPT and the GPT family of frontier models.
Anthropic (opens in a new tab)
Co-led Anthropic's $30B raise (Feb 2026) and joined its $65B Series H (May 2026)
AI safety-focused developer of the Claude model family.
Participated in xAI's January 2026 funding round
Elon Musk's frontier AI lab, developer of the Grok model family.
Aligned Data Centres
Joined a BlackRock Global Infrastructure Partners-led consortium (with Microsoft and Nvidia) valued at roughly $40B (Oct 2025)
AI-focused data-centre operator.
What it invests in
- Frontier AI models
- AI infrastructure
- Semiconductors
- Data centres
People
- Sheikh Tahnoon bin Zayed Al Nahyan
- Chairman
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