From Saudi Aramco to Alibaba: 7 biggest IPOs before Elon Musk’s SpaceX market debut by Live mint | May 21, 2026 8:14 am | Indian Stocks, Market, News SpaceX could become the biggest IPO in history, but before Elon Musk’s space giant hits public markets, companies like Saudi Aramco, Alibaba, Visa and Meta dominated global listings. Here’s a look at the seven largest IPOs ever by funds raised.