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The AI-native code editor becoming the operating system for software engineering
HQ: San Francisco, CA (acquired by SpaceX, 2026) | Founded: 2022 | Employees: ~300 (late 2025) | Stage: Acquired by SpaceX (~$60B all-stock, closed Aug 2026) | Website: https://cursor.com
Anysphere, Inc. (d/b/a Cursor) is the San Francisco company behind Cursor, the AI-native code editor and coding-agent platform forked from Microsoft's open-source VS Code. Founded in 2022 by four MIT undergraduates — Michael Truell (CEO), Sualeh Asif, Aman Sanger, and Arvid Lunnemark — it launched the editor publicly in March 2023 and became the emblematic 'fastest-growing startup ever' (Bloomberg) on the strength of LLM-powered tab completion, multi-file Composer conversations, and, by 2025–26, autonomous background and cloud agents that write code, run tests, and open pull requests. After an $8M OpenAI-Startup-Fund seed, a rapid round ladder ($60M A → ~$105M B → $900M C → $2.3B D) took its valuation from ~$400M to $29.3B on an ARR trajectory of $100M (Jan '25) → $500M (Jun '25) → $1B (No
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