Flow Engineering raises $50M Series B at $750M valuation with Valar, Atreides, Sequoia
Flow Engineering, a three-year-old AI hardware design startup, closed a $50 million Series B round on Wednesday, valuing it at $750 million. The round was co-led by Valar Equity Partners and Atreides Management, with Sequoia Capital and former Sequoia partner Roelof Botha also participating. Botha joined the company’s board.
Key points
- Flow Engineering raised $50M Series B at a $750M valuation, co-led by Valar Equity and Atreides Management
- Sequoia Capital and former partner Roelof Botha also invested, with Botha joining the board
- AI agents automate hardware design by linking CAD drawings with requirements, simulations, and testing
The startup’s AI agents automate hardware design tasks by aligning CAD drawings with product requirements, simulation data, and testing results. Named customers include Anduril, Rivian, Joby Aviation, General Motors’ PPU joint venture, RV Tech, and Stoke Space. The funding follows Sequoia’s $50 million Series A round last October.
Valor, Atreides, and Sequoia back AI startup Flow Engineering at $750M valuation
TechCrunch AI · 30 September 2026
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