Cursor goes binding — the integration test now has a date.
Deal terms, what Cursor buys the stack, and what to watch after close.
The deal. Signal 005 flagged the Cursor option; this week it became binding — US$60 billion, all-stock, targeted to close in the third quarter. Paying in stock rather than cash keeps SpaceX's balance sheet free for the build-out. But it also means public shareholders absorb the dilution, and the integration story becomes part of what they're being asked to believe when they buy in.
Why now. The IPO roadshow still has to sell a climb in segment revenue that the filing can't yet support on organic growth alone. Starlink is the profitable engine; the AI side — xAI — is the loss-making slice: roughly US$3.2 billion in 2025 revenue against about US$6.4 billion in operating loss, and most of that revenue is disclosed compute leasing rather than a finished application product. The gap isn't only dollars. It's product shape.
What Cursor buys the stack. Cursor brings what SpaceX could not build on its own run-rate. An enterprise coding product — the cleanest return-on-investment field in the entire stack. A growing record of how large organisations actually write, review, and ship code. And customer relationships deep enough to expand inside. Under one owner, compute, model, and application become a single full-stack offer, with an operating history no rival can match on a shorter runway. The attached compute is the hardware half; Cursor is the enterprise half. And as data regulation moves into the buyer's checklist, a single-vendor path for enterprise coding — one audit trail, one residency answer, one contract — starts to look like a feature rather than overhead. None of that is in the filing yet.
What to watch. After close, the binding question is feed rate: does attached compute actually compound the model's capability inside the stack? Segment reporting and Cursor's usage numbers become the visible proof. Watch for deeper enterprise adoption, the economics of Composer, and a go-to-market built to land and expand. The integration test is now on a public clock.