Elon Musk's SpaceX is reportedly raising $750 million in a new funding round, valuing the company at $137 billion. The funding round is set to be led by Andreessen Horowitz, also known as a16z, which participated in Musk's leveraged buyout of Twitter in late October 2022. SpaceX raised more than $2 billion in 2022, including a $250 million round in July, and was valued at $127 billion in May of the same year.