Why Did SpaceX Spend $295 Million on Tesla Batteries? The Latest Filing Offers a Clue as Elon Musk's Comp

SpaceX (NASDAQ:SPCX) disclosed that it bought $295 million of Tesla Inc.

(NASDAQ:TSLA) Megapack batteries during the second quarter, highlighting the circular flow of capital, hardware and equity across two of Elon Musk’s biggest companies.

Tesla Purchases Deepen Musk Company Ties The rocket maker’s quarterly filing showed Megapack purchases reached $329 million during the first half.

SpaceX had already bought $506 million of the batteries and $131 million of Cybertrucks by the end of 2025.

The filing classifies them as related-party transactions.