The Elongated Web of Musk's Empire The latest IPO filing from SpaceX has shed light on the intricate network of commercial agreements, financing obligations, and operational dependencies that bind Elon Musk's business empire together.
While the connections between his companies have long been known, the sheer scale and complexity of these relationships are only now beginning to come into focus.
SpaceX spent over $650 million on goods and services from Tesla in 2025, including more than $500 million worth of Megapack battery systems purchased by xAI.