The $75 billion raised in the SpaceX IPO is more than all other initial public offerings together raised worldwide this year.

SpaceX plans to raise $75 billion in the largest IPO ever, debuting on Nasdaq at a $1.77 trillion valuation with demand reportedly 3-4 times oversubscribed.

The company's fully diluted value will be about $1.8 trillion, with the stock set to open for trade on Friday on the Nasdaq.