Alphabet Set to Increase Value by $100 Billion After SpaceX Listing

Alphabet would increase its market value by more than a $100 billion from SpaceX’s planned listing. The news comes after filings revealed that Google owned a 6.1% stake in the company at the end of 2025.

The stake was revealed in a new disclosure filed in Alaska this week, with companies required to report if they hold an interest of at least 5%. Only Google and founder Elon Musk, with a 40% share, disclosed their SpaceX holdings. However, several other companies and individuals stand to make billions from the listing.

SpaceX filed paperwork for an IPO with the US Securities and Exchange Commission (SEC) this month, which could value the company at $1.75 trillion. However, some media reports indicate it is looking to hit a valuation of more than $2 trillion.

Following Elon Musk’s move to merge SpaceX with xAI in February, Alphabet’s stake has been diluted to around 5%, which would be worth $100 billion at a $2 trillion listing value. Google first invested in SpaceX in 2015 in a $1 billion funding round at a $10 billion valuation, along with Fidelity Investments.

Google never revealed its ownership size in SpaceX, but has disclosed unrealised gains from private company stakes in financial reports. In 1Q25,  Alphabet boosted profits by $8 billion through its stake in SpaceX.