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Factbox-Mega IPOs in focus after Musk’s SpaceX acquires xAI

By Thomson Reuters Feb 3, 2026 | 6:55 AM

Feb 3 (Reuters) – Elon Musk’s SpaceX has acquired his artificial intelligence startup xAI in a deal ‍that unifies the billionaire’s AI and space ambitions by combining the rocket-and-satellite company with the maker of the Grok chatbot.

The deal, which reportedly values ‌SpaceX at $1 trillion and ‌xAI at $250 billion, comes as the rocket company plans a blockbuster initial public offering this year that could take place ​as soon as June, Reuters has reported.

If xAI raises more ‍than $25.6 billion, it would ​eclipse the world’s largest ​IPO to date, which was oil major ‍Saudi Aramco’s listing in 2019.

Analysts expect the potential landmark listing to reinvigorate the IPO market and push more high-profile private startups such ‍as ChatGPT maker OpenAI and rival Anthropic to the public markets, ending a years-long ‍downturn.

Here ‍is an overview of ​the biggest IPOs globally, ranked ​by ⁠deal size:

Company Offer date Sector Deal size

Saudi ‌Aramco 12/05/19 Energy $25.6 billion

Alibaba 09/18/14 Technology $21.8 billion

SoftBank Corp 12/10/18 Communication $21.3 billion

Services

NTT Mobile 10/22/98 Communication $18.1 billion

Services

Visa 03/18/08 Financials $17.9 billion

AIA 10/21/10 Financials $17.8 billion

ENEL SpA 11/01/99 Utilities $16.5 billion

Meta 05/17/12 Technology $16 billion

General Motors 11/17/10 Consumer $15.8 billion

Discretionary

ICBC – H 10/20/06 Financials $13.96 billion

Source: Renaissance Capital

(Compiled by Manya Saini in Bengaluru; Editing by ⁠Shinjini Ganguli)