The roughly 1.5% offering of Aramco shares on the Tadawul (the actual figure could be slightly higher if options are exercised to sell additional shares in the face of an over-subscribed offering) is the largest IPO ever. And raising just under $30 billion, it provides much-needed funds for Saudi national transformation efforts,

https://www.forbes.com/sites/thebakersinstitute/2019/12/12/the-bigger-picture-behind-the-aramco-ipo/#48d4929f2d70