From Saudi Aramco to Alibaba: World’s biggest IPOs

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:

Here ​is ⁠an overview of the biggest IPOs globally, ranked by deal size:
Company
Offer ​date
Sector
Deal size
Saudi Aramco (2223.SE)
12/05/19
Energy
$25.6 billion
Alibaba (9988.HK)
09/18/14
Technology
$21.8 billion
SoftBank ​Corp (9984.T)
12/10/18
Communication ⁠Services
$21.3 billion
NTT Mobile (9432.T)
10/22/98
Communication Services
$18.1 billion
Visa (V.N)
03/18/08
Financials
$17.9 billion
10/21/10
Financials
$17.8 billion
ENEL SpA (ENEI.MI)
11/01/99
Utilities
$16.5 billion
Meta (META.O)
05/17/12
Technology
$16 billion
General Motors (GM.N)
11/17/10
Consumer Discretionary
$15.8 billion
ICBC – H (1398.HK)
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