Biggest IPOs by Issue Size of 2025

The IPO issue size represents the monetary value of the company going public. Simply put, it is the number of shares offered multiplied by the issue price. An IPO Issue Size denotes how big the IPO is.

With ease of regulations for the start-ups to go public, we are witnessing significant increase in the number of IPOs and their issue size year on year. Find below the top 10 biggest IPOs of 2025 based on their Issue size along with the details of their listing gains and subscription status.