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INDEX VENTURES

London, United Kingdom

infrastructureFounded 20250

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Venture capital investment firm

Recent News

Instinct raises $250M Series B for AI personal assistant

Instinct raises $250M Series B for AI personal assistant

Instinct, a San Francisco based AI assistant startup founded by Noah Shinn, announced a $250 million Series B round on August 27 co led by Index Ventures and Benchmark, valuing the company at $2.5 billion and bringing total funding to $350 million. The agentic personal assistant remains in private beta while Instinct uses the new capital to scale product and infrastructure. ([tech-quire.com](https://tech-quire.com/articles/instinct-250-million-series-b-ai-assistant-index-ventures-benchmark-august-2026/))

10h agoTechQuire Post
Instinct AI raises $250M Series B at $2.5B valuation

Instinct AI raises $250M Series B at $2.5B valuation

On August 28, 2026, GenAI Daily reported that personal AI assistant startup Instinct, operated by Spear Street Technology, has raised a total of $350 million, including a recent $250 million Series B that values the company at $2.5 billion. The round is co‑led by Index Ventures and Benchmark, following earlier coverage in TechCrunch and other outlets. ([genaidaily.com](https://genaidaily.com/personal-ai-assistant-startup-instinct-raises-350m-at-2-5bn-value/?utm_source=openai))

2d agoGenAI Daily

Instinct AI assistant funding hits $350M at $2.5B valuation

Coverage on August 27 confirmed that AI assistant startup Instinct has closed a $250 million Series B co‑led by Index Ventures and Benchmark, valuing the company at $2.5 billion and bringing total funding to about $350 million. The invite‑only agent, which reads and acts on users’ messages and tasks, has gone from early seed rounds to multibillion‑dollar valuation within months.

2d agoYahoo Finance

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