SpaceX's stock drops on as AI capex costs jump in Q2

SpaceX's stock drops on as AI capex costs jump in Q2 Pras Subramanian · Senior Reporter Wed, August 5, 2026 at 12:25 PM GMT+2 4 min read SPCX TSLA SpaceX ( SPCX ) reported second quarter results on Tuesday that topped estimates — its first report as a public company — which comes as the stock has been in a recent free fall.  Rising capex spending in its Q2 report didn't help matters. SpaceX's AI segment posted an operating loss of $1.

26 billion versus estimates of $2. 39 billion, but AI capex ballooned to $15. 8 billion in the quarter, larger than expected and much higher than the $7.

7 billion spent in Q1. SpaceX stock slid over 10% in pre-market trading. The concern with SpaceX's large capital requirements — like those of other large AI frontier startups — is that its AI infrastructure investments will not generate a healthy return given the level of cash required.

"We now project capex of nearly $200B in both 2027 & 2028, which further pressures FCF in 2027, a trend we see across the hyperscalers," JPMorgan analyst Doug Anmuth said in a note to investors. On the flipside, the Anmuth was impressed by SpaceX's rising ARR (annual revenue run rate), which CEO Elon Musk said could hit $100 billion by the end of the year. More from Yahoo Scout What are SpaceX's growth prospects with Starlink subscribers?

How might Tesla-SpaceX merger affect China business operations? What drove SpaceX's massive AI capex increase in Q2? How will the upcoming lockup expiration affect SpaceX stock?

SpaceX said its Q2 overall capital expenditures came in at $18. 37 billion, slightly below estimates for $18. 58 billion.

As for the quarter, SpaceX reported Q2 revenue of $7. 8 billion versus $6. 81 billion, per Bloomberg consensus, up sequentially from $4.

7 billion in Q1. SpaceX posted adjusted EBITDA of $3. 5 billion vs $2.

0 billion consensus expected. Separately, SpaceX announced on Tuesday that it is partnering with Nvidia to design its Starmind AI-1 payload, which would bring "datacenter class compute" into orbit. The partnership will use Nvidia's Rubin GPUs and Vera CPUs, and increase SpaceX's peak satellite computing capacity to 250 kW.

Elon Musk added on the earnings call that Nvidia would the exclusive supplier of chips for SpaceX's AI chip needs. A depiction of a next generation Starlink satellite. · SpaceX With its Q2 results behind it, a big overhang still looms.

"[On Tuesday afternoon] SpaceX🚀 (SPCX: NASDAQ) reports as a public company for the first time, and two days later, Aug. 6, its lockup frees hundreds of millions of insider shares — roughly triple the current tradable float," Epistrophy Capital's Cory Johnson wrote in a client note. The lockup expiration will free up to 20% of shares for sale, and investors are worried that the added supply will keep the stock under pressure.

Read more: SpaceX stock keeps sliding. What to do if you own shares. Another part of the capital expenditures story is the company's satellite broadband service, Starlink, and what's next for the launch business with Starship.

Story Continues SpaceX said Starlink subscribers topped 12 million at the end of Q2, with the connectivity business adjusted EBITDA coming in at $2. 60 billion versus $2. 41 billion estimated.

"It's not out of the question that at some point Starlink will deliver the majority of the world's internet," Musk said on the earnings call. SpaceX is eyeing the first-ever tower catch of a Starship upper stage, using the Mechazilla arms at Starbase that have already caught the larger Super Heavy booster. "Unless we discover problems after mission data review, SpaceX will attempt to catch the ship with the tower on next flight," CEO Elon Musk posted , replying to a question on the upcoming mission, known as Flight 14.

The SpaceX Starship and Super Heavy v3 Booster stand at Pad 2 after weather delayed the attempted launch of its 13th test flight from the SpaceX launch complex in Starbase, Texas, on July 23, 2026. (Reuters/Steve Nesius) · REUTERS / REUTERS In addition to what's happening at SpaceX, the "Muskonomy," or the future of Musk's companies, looms. Musk is reportedly still pushing for a merger between SpaceX and his other major company, Tesla ( TSLA ).

The Wall Street Journal reported on Friday that executives are trying to decide how to dispose of Tesla's China business should that happen. SpaceX's government and national defense contracts could be a concern for the Chinese government. Correction: The Starlink subscriber number has been updated.

Pras Subramanian is Lead Transportation Reporter for Yahoo Finance. You can follow him on X and on Instagram . Click here for the latest technology news that will impact the stock market .