SpaceX shares soar 30% on debut, making it the sixth most valuable US company
SpaceX made its public market debut on Monday, with shares jumping to $176 and market capitalization reaching nearly $2.3 trillion, vaulting the company to the sixth most valuable publicly traded firm in the United States.
SpaceX began trading on the Nasdaq on Monday, June 12, 2026, with shares immediately opening at $150 – 11% above the IPO price of $135 set on Thursday. The stock climbed as high as $176 during midday trading, lifting the company’s market capitalization to nearly $2.3 trillion. That makes SpaceX the sixth most valuable public company in the U.S.
The surge was not unexpected. According to Bloomberg, the IPO was oversubscribed by 4x, meaning many institutional investors did not receive allocations and are likely buying shares on the open market. Demand is also driven by a small float – only about 4% of shares are available for public trading, with early investors and employees holding the rest.
SpaceX successfully lobbied several indexes, including the Nasdaq 100, to change their inclusion rules. The company will join those indexes within days, not months, increasing demand before large funds automatically start buying. Robinhood reported “record-breaking” traffic on its platform hours after the debut.
The IPO represents one of the largest venture capital windfalls ever. Founders Fund, which invested $600 million for a 3% stake, sees its holdings valued at over $50 billion at the $135 IPO price, per Bloomberg. Andreessen Horowitz’s stake is worth more than $10 billion, and Sequoia’s is valued at over $20 billion.
The opening price of $150 made CEO Elon Musk the world’s first trillionaire. The New York Times reported that around 4,400 current and former SpaceX employees will become millionaires, while about 400 will become centimillionaires.
