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Overview
SpaceX went public on June 12 in the largest stock-market debut ever. Five days later, it agreed to spend $60 billion on Cursor, an AI coding tool barely three years old.
The all-stock deal ties one of the most valuable newly public companies to a startup whose code-writing software is used by millions of developers. SpaceX wants the data and talent to fix a weak spot: Elon Musk's xAI has trailed rivals in frontier AI.
Why it matters
SpaceX is converting fresh public-market value into AI software, betting developer data can close Grok's gap with OpenAI and Anthropic.
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Rocket and satellite company that went public on June 12, 2026, and now owns the xAI division behind the Grok models.
Maker of Cursor, an AI tool that writes and edits software code inside a developer's editor.
Musk's AI division, maker of the Grok models, which have trailed competitors.
Timeline
January 2022 June 2026
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SpaceX agrees to buy Cursor for $60 billion
Latest DealSpaceX exercises its option in an all-stock deal, its first major move as a public company. Close is expected in Q3, pending regulatory approval.
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Shares jump 19% on debut
MarketSpaceX stock closes its first Nasdaq session up 19%, valuing the company near $1.77 trillion.
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SpaceX prices record IPO
MarketSpaceX prices 555.5 million shares at $135 each, raising $75 billion, the largest IPO on record.
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SpaceX secures an option to buy Cursor
DealSpaceX takes an option to either partner with Cursor or acquire it for $60 billion later in the year.
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Series D values Cursor near $29 billion
FundingA $2.3 billion round co-led by Accel and Coatue roughly tripled the company's valuation.
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Four MIT students start Anysphere
OriginMichael Truell, Sualeh Asif, Arvid Lunnemark, and Aman Sanger found the company behind Cursor.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
Microsoft buys GitHub (2018)
Microsoft agreed to buy GitHub, the code-hosting platform developers depended on, for $7.5 billion in stock. Many developers feared Microsoft would degrade or wall off a neutral tool.
Microsoft kept GitHub independent with its own brand and chief executive.
GitHub grew sharply and later became the base for the Copilot AI coding tool.
It is the closest model for a tech giant buying a developer tool with stock and the question of whether the new owner keeps it open or folds it in.
Facebook buys WhatsApp (2014)
Facebook agreed to pay about $19 billion, mostly in stock, for the messaging app WhatsApp, then a young company with a small team. The price stunned the industry.
The deal closed after European regulators reviewed it and cleared it with conditions.
Facebook was later fined for misstatements it made to EU regulators about merging the two services' data.
It shows how a giant stock-funded purchase of a fast-growing startup draws regulatory focus on data, a live question given Cursor's data feeding Grok.
Tesla buys SolarCity (2016)
Tesla agreed to buy SolarCity, a solar firm where Musk was the largest shareholder and chairman, in a $2.6 billion all-stock deal. Critics called it a bailout of a related company.
Tesla shareholders approved the deal, but investors sued, alleging Musk steered it.
A Delaware judge ruled in 2022 that the deal was fair to shareholders, ending the main case.
Musk controls both SpaceX and the xAI unit set to gain from Cursor, raising the same related-party questions that shadowed the SolarCity purchase.
