Observed Signal · Jul 30, 2026 · Market Signal · Source: Bain Capital Ventures · Impact: 4/5
The Human Layer of AI: Why we’re continuing to invest in Simile
Simile is building an AI simulation platform for human decision-making, turning cutting-edge research into an enterprise-ready way to test real customer behavior before going to market.
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Armadin raises $255.5M for agentic security
Kevin Mandia, founder of Mandiant (sold to Google for $5.4B in 2022), has raised $255.5 million in Series B funding for his new startup, Armadin, at a valuation exceeding $2.5 billion. The round was led by Andreessen Horowitz and Accel, with participation from Bain Capital Ventures, Redpoint, 8VC, Ballistic Ventures, Google Ventures, In-Q-Tel, Kleiner Perkins, and Menlo Ventures. This follows a $190 million Series A in March, bringing total funding to over $445 million. Armadin offers an always-on security testing platform that uses agentic swarms to continuously probe defenses and chain vulnerabilities, helping enterprises find and fix security holes before malicious actors can exploit them. The approach reimagines traditional penetration testing for the AI era.
Corridor Raises $25M Seed for AI Health Benefits Brokerage
Corridor, an AI-powered health benefits brokerage for small businesses, announced a $25 million seed round led by Bain Capital Ventures. The startup combines human advisors with AI agents that handle administrative tasks like checking in-network doctors, scheduling care, and updating insurance info. Founded by Jackson Wagner (ex-Scale AI) and Eric Qian, with CEO Nikhil Aggarwal, the company aims to address the underserved SMB market. Investors include BoxGroup and executives from OpenAI, Scale AI, and Ramp. Corridor is preparing for Q4, when most small businesses choose their health plans.
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