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Jun 16, 2026 4:00 PM

Could SpaceX Overtake Nvidia As The World's Biggest Company In 2026?

Space Exploration Technologies Corp. (NASDAQ:SPCX) just became the fifth-most-valuable company on the planet, and it took three trading sessions to do what Amazon.com Inc. needed nearly three decades to achieve.

Elon Musk's rocket and satellite company priced its initial public offering at $135 a share on June 12 in the largest IPO in history.

By midday Tuesday, the stock had jumped nearly 60% to around $213, lifting its market value to nearly $2.75 trillion and pushing it past Amazon's roughly $2.66 trillion.

That leaves only four companies above SpaceX: Microsoft Corp. (NYSE:MSFT), Alphabet Inc. (NASDAQ:GOOGL), Apple Inc. (NASDAQ:AAPL) and Nvidia Corp. (NASDAQ:NVDA).

This begs a question: Could SpaceX overtake Nvidia and close 2026 as the world's biggest company?

RANK

COMPANY

MARKET CAP

1

NVIDIA

$5.071 T

2

Alphabet

$4.546 T

3

Apple

$4.371 T

4

Microsoft

$2.921 T

5

SpaceX

$2.797 T

6

Amazon

$2.671 T

Polymarket Already Prices SpaceX As the World’s Biggest Company

On Polymarket, the contract on the largest company at year-end gives Nvidia about 69%, Alphabet 15%, and SpaceX roughly 9% ...