Marc Piasecki/Getty Images On paper, Elon Musk’s xAI is gearing up for a big year. After being folded into Musk’s SpaceX, the Grok maker could now be involved in one of the biggest — if not the biggest — IPO in history later this year. Despite plenty of optimism and an enormous wealth of unlocked funding, a striking number of the company’s cofounders are now jumping ship. As CNBC reports, the company lost two of its cofounders in just two days, only the la