Nvidia disclosed on Friday that its stake in Elon Musk’s SpaceX was valued at approximately $21 billion at the end of the second quarter.
According to a filing with the U.S. Securities and Exchange Commission, the chipmaker owned approximately 122.8 million Class A shares of SpaceX, which made its public market debut in June.
SpaceX shares closed at $140 on Friday, down from $170.86 at the end of June. At the current price, Nvidia’s stake is now worth approximately $17.2 billion.
SpaceX is Nvidia’s second-largest equity holding, behind Intel. Nvidia’s stake in Intel is currently valued at approximately $22 billion, down from about $30 billion at the end of the second quarter.
The investment represents a substantial return on the less than $5 billion Nvidia invested in SpaceX less than a year ago.
According to FactSet, Nvidia is SpaceX’s sixth-largest shareholder. Musk remains by far the company’s largest shareholder, with a stake valued at approximately $850 billion. Alphabet ranks second, with holdings worth about $78 billion.