Factbox-From Saudi Aramco to Alibaba: World's biggest IPOs

June 1 (Reuters) - Anthropic ‌said ​on ​Monday it has confidentially filed for a U.S. initial public offering, ‌as the Claude chatbot maker races with ⁠arch rival OpenAI to go public in ‌what would be one ‌of the biggest IPOs of all time.

The move comes ahead of SpaceX's mega ​IPO, which is set to rewrite the record books as the Elon ⁠Musk-led company pursues a $1.75 trillion valuation.

If SpaceX raises the $75 ​billion it wants, the IPO would eclipse the world's largest to date, ​which was oil major ‌Saudi Aramco's listing in 2019.

ChatGPT-maker OpenAI is also preparing to confidentially ⁠file for a U.S. initial public offering in the coming weeks, Reuters had reported ⁠in May, citing a source familiar with the ​matter.

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 ‌and Arasu Kannagi ​Basil in Bengaluru; Editing by Shinjini Ganguli, Maju Samuel and Sahal ‌Muhammed)

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