Profound Raises $180M Series C+ Led by Kleiner Perkins to Scale AI Visibility Platform

Profound Secures $180M Series C+ Round

Profound, an AI visibility and content optimization platform, has raised $180 million in Series C+ funding. The round was led by Kleiner Perkins, with participation from Lightspeed Venture Partners, Khosla Ventures, Saga Ventures, Evantic, South Park Commons, and Sequoia Capital. The funding date is September 15, 2026.

What Profound Does

Profound helps brands understand, improve, and measure how they appear in AI-powered search results. As AI-driven search becomes a primary discovery channel, the platform gives marketers the tools to succeed in what the company describes as the AI-first internet era. Its focus is on visibility and content optimization specifically for AI search environments.

Funding Details

• Round type: Series C+
• Amount raised: $180,000,000 USD
• Announced date: September 15, 2026
• Lead investor: Kleiner Perkins
• Additional investors: Lightspeed Venture Partners, Khosla Ventures, Saga Ventures, Evantic, South Park Commons, Sequoia Capital

The Series C+ designation indicates a later-stage financing that extends the company's previous Series C round. The size of the raise and the presence of multiple institutional investors suggest strong confidence in Profound's market position.

Why This Matters for the AI Search Market

AI-powered search is reshaping how consumers and businesses discover products, services, and information. Traditional SEO focused on ranking in search engine results pages, but AI search introduces new dynamics: answers are generated, sources are synthesized, and brand visibility depends on how content is represented in model outputs. Profound addresses this shift by providing measurement and optimization capabilities tailored to AI search.

Marketers are increasingly allocating budget to understand their presence in AI-generated answers. Profound's platform sits at the intersection of content strategy, analytics, and AI visibility, a category that is still emerging but growing rapidly as AI assistants and search tools become more widely adopted.

Investor Signal

The participation of Kleiner Perkins as lead, alongside Lightspeed Venture Partners, Khosla Ventures, Sequoia Capital, and others, reflects continued investor interest in AI infrastructure and marketing technology. These firms have track records in enterprise software and AI, and their backing provides both capital and strategic validation for Profound's approach.

What's Next

With $180 million in new funding, Profound is positioned to expand its platform and market reach. While specific product or hiring plans were not disclosed, the raise provides significant resources to scale operations in a competitive and fast-moving category. For brands navigating AI-first discovery, Profound's growth signals that AI visibility is becoming a core part of marketing strategy.

Summary

Profound raised $180 million in a Series C+ round led by Kleiner Perkins on September 15, 2026. The company provides AI visibility and content optimization tools for brands. The round included participation from Lightspeed Venture Partners, Khosla Ventures, Saga Ventures, Evantic, South Park Commons, and Sequoia Capital. This funding underscores the growing importance of AI search optimization for marketers.