Elon Musk's slice of SpaceX is worth $43 billion more than his Tesla stake, per Bloomberg.The value gap between Elon Musk's stakes in Tesla and SpaceX has widened to $43 billion following the slide in the EV maker's stock.Musk's 13% stake in Tesla is worth $92.6 billion, while his stake in SpaceX is valued at $136 billion.Musk's net worth has decreased by $130 billion this year due to the fall in Tesla stock.