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

ReutersApr 1, 2026 3:37 PM

- Elon Musk's SpaceX has taken a key step toward going public with a confidential filing, Bloomberg News reported on Wednesday, which could rank among the largest IPOs ever and puts the spotlight back on the biggest listings globally.

If SpaceX raises more than $50 billion, as media reports suggest, it would eclipse the world's largest IPO to date, 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 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

AIA 1299.HK

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

Disclaimer: The information provided on this website is for educational and informational purposes only and should not be considered financial or investment advice.
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