At a Glance:
- SpaceX shares have round-tripped from a $135 IPO price to a $225.64 peak and back to around $185, a roughly 18% retreat in two trading sessions.
- The volatility followed SpaceX’s formal agreement to acquire AI coding startup Cursor’s parent company, Anysphere, for $60 billion in an all-stock deal.
- A razor-thin public float of just 4% to 5% of total shares is amplifying every price swing in both directions, analysts say.
- SpaceX posted a $4.9 billion net loss for 2025, driven largely by xAI’s cash burn, even as Starlink remained solidly profitable.
Eight days. That’s roughly how long it took for SpaceX to go from the largest IPO in Wall Street history to a stock that traders are now openly comparing to a meme stock.
Elon Musk’s rocket company priced its public debut at $135 a share and watched it surge to $225.64. But as Mashable reports, those gains quickly faded, even as the company finalized a $60 billion bet on AI coding startup Cursor, a firm most investors had barely heard of a year ago.
The whiplash says less about SpaceX’s rockets and satellites than it does about what happens when a thinly-traded mega-cap collides with an aggressive AI acquisition in its first week of public life.
What Happened, and Why the Timing Matters
SpaceX completed the largest IPO in history on June 12, 2026, debuting on Nasdaq under the ticker SPCX with a valuation of about $1.75 trillion.
Shares later climbed to $214.29, briefly pushing SpaceX past Amazon, which aims to rival SpaceX, as the fifth-largest U.S. company by market value.
On June 16, SpaceX announced a $60 billion stock acquisition of Cursor. The deal will bring Anysphere, the San Francisco company behind the Cursor, into SpaceX as a wholly owned subsidiary, with closure expected in the third quarter of 2026.
CEO Michael Truell said the partnership aims to build “the world’s most useful AI models.”
The acquisition follows an April agreement that gave SpaceX the option to buy Cursor for $60 billion or continue the partnership for $10 billion. The deal also included substantial penalties if either side failed to complete the transaction.
Why SpaceX Wanted Cursor Badly Enough to Pay $60 Billion
Cursor has grown rapidly since its 2022 launch, surpassing $1 billion in annualized revenue by late 2025 and reaching an estimated $2.6 billion in annualized B2B revenue.
The company ranked No. 37 on CNBC’s 2026 Disruptor 50 list, while Nvidia CEO Jensen Huang, who is on a trillion-dollar roadmap for his company, calls it his favorite enterprise AI service.
Cursor is reportedly used by more than half of the Fortune 500, while Stripe co-founder Patrick Collison said all 40,000 Stripe engineers use the platform.
Cursor previously said its partnership with xAI, a subsidiary of SpaceX, would give it access to the Memphis-based AI data center complex, while the acquisition could help SpaceX challenge Anthropic and OpenAI in enterprise AI coding tools.
However, questions remain about Cursor’s long-term position. Reports indicate its market share fell from 41% in June 2025 to about 26% by May 2026, and SpaceX has provided limited details about the company’s current growth and customer base.
Market Impact of Cursor Acquisition
The market’s reaction to the Cursor news was immediate, dramatic, and, as it turned out, short-lived in its euphoria, echoing the kind of scrutiny OpenAI faced after disclosing its own staggering quarterly burn.
Immediate Market Reaction
As Yahoo notes, SpaceX shares surged about 16% after the Cursor acquisition was confirmed, helping the company briefly become the fourth most valuable in the United States. The stock reached a record $225.64 before reversing course.
By June 17, shares had fallen to $205.96 and continued sliding after SPCX options began trading, giving short-sellers their first opportunity to bet against the stock.
The decline extended into June 18, with shares falling for a second consecutive day despite SpaceX receiving investment-grade credit ratings from three major agencies.
Sector-Wide Implications
The deal’s impact extends beyond SpaceX. Its rapid rise in market value has prompted questions about whether the “Magnificent Seven” still reflects the largest forces in tech.
The acquisition also intensifies competition in AI coding tools, arriving in the same stretch as a broader wave of AI infrastructure deal-making, including Meta’s own push to lock down AI computing capacity.
Industry observers note that Cursor’s future product decisions may increasingly align with SpaceX’s computing infrastructure and xAI’s strategic goals, rather than solely developer needs.
Short-Term vs. Long-Term Impact
In the short term, SpaceX’s limited public float is likely to keep trading volatile. With only about 4% to 5% of shares available, relatively small trading volumes can trigger outsized price swings.
Over the longer term, attention will shift to share unlocks and company performance. Most shares remain locked until late 2026, making upcoming unlock periods and the September 2 earnings report key milestones for assessing whether current valuation levels are sustainable.
Clear Breakdown of SpaceX’s Post-IPO Scenario
Separating the headlines from the fundamentals requires examining what changed in SpaceX’s business this week, and what didn’t.
What Changed
While firms like OpenAI await a market debut, SpaceX went from a private company to a publicly traded one, carrying immediate, real-time price discovery, and almost simultaneously, it added a $60 billion AI subsidiary to its balance sheet.
The company reported a $4.9 billion net loss in 2025, largely driven by xAI after its February 2026 merger with SpaceX.
What Stakeholders Should Do
For investors, recent price movements appear to reflect both fundamentals and the stock’s limited public float, with volatility likely to remain elevated ahead of key events such as earnings and forecasts, the events that can send shares plunging if investors remain disappointed.
Enterprise customers using Cursor may want to watch the deal’s expected third-quarter close, as the acquisition could influence product priorities. Meanwhile, employees and early shareholders face upcoming liquidity decisions as share unlocks begin later this year.
What to Avoid
SPCX’s week-one volatility should not be read as a judgment on SpaceX’s core aerospace business. A former Nasdaq chief said the stock is “not trading on fundamentals,” while Gary Black called it “more like a meme stock.”
The Cursor deal is also not yet final and is expected to close in Q3 2026, subject to conditions.
Common Misconceptions About SpaceX’s Story
Corporate managers must separate operational realities from market misconceptions to avoid misreading the facts.
“SpaceX’s Stock Crash Reflects a Problem With the Cursor Deal Itself”
This conflates two dynamics: a sharp pullback driven mainly by an extremely thin 4–5% public float, not doubts about Cursor, and added pressure after SPCX options began trading, enabling bearish positioning for the first time since IPO
“SpaceX Is Now an Unprofitable Company Across the Board”
The 2025 loss was largely driven by xAI, while Starlink generated $4.4 billion in operating profit. Aerospace and Starlink remain profitable; consolidated losses stem mainly from the expanded AI division, now further enlarged by the Cursor deal.
Why Not to Rely on Social Media for This Story
A stock moving 18% in a week can easily be reduced to spectacle on social media, but that overlooks float mechanics, lock-up schedules, and segment-level fundamentals.
Analysts have also noted meme-like trading behavior. With a newly listed, low-float stock, filings, earnings, and credit actions remain more reliable than social sentiment.
What’s Your Take
With only 4–5% of shares tradable and lock-ups still ahead, is SpaceX’s volatility a temporary IPO effect or a sign of deeper instability when more stock enters the market?
Does the $60B Cursor deal represent smart AI vertical integration, or does adding a loss-making AI unit increase risk too quickly for a newly public company?
How This News Article Was Created
This business news analysis is exclusively based on:
- Fundamental reporting from Mashable covering SpaceX’s IPO pricing and the structural details of the Cursor acquisition.
- Market reaction data from Yahoo tracking immediate post-deal stock swings and real-time investor options activity.
- Confirmed public reporting exclusively without adding any internal documents or self-made speculative information.
About Author
Ahmad in a nutshell is product of passion, enthusiasm and adventure. He loves to write around anything that involves behaviors, art, business and what makes people happier. He also shares his business and lifestyle content on entrepreneur.com and lifehack.org.
