Tech Banker Storm Duncan Offers $4.8 Million Mill Valley Estate To Secure Rare Anthropic Shares Amid AI Valuation Surge

Tech banker Storm Duncan offers his Mill Valley home for Anthropic stock as the AI firm’s valuation hits $1 trillion amid Claude Code’s secondary market surge.

By: AXL Media

Published: Apr 26, 2026, 3:38 PM EDT

Source: The information in this article was sourced from Business Insider

The Radical Pursuit Of Artificial Intelligence Equity

According to Ben Bergman, tech banker Storm Duncan has initiated a highly unusual real estate listing by offering his $4.8 million California property in direct exchange for shares in the AI firm Anthropic. Duncan, who serves as the managing partner of Ignatious, characterized the move as a necessary tactic to secure a position in a company whose secondary market demand has reached a fever pitch. He argued that for a small investor, the traditional paths to equity are largely closed, as the firm primarily engages with institutional players capable of nine figure investments. By leveraging a physical asset, Duncan aims to bypass traditional barriers to entry in the increasingly competitive artificial intelligence sector.

Strategic Location And Appeal To Early Employees

The property in question is a fully furnished, 13-acre estate located in Mill Valley, featuring an infinity-edge pool, a spa, and sweeping views of the San Francisco skyline. Duncan specifically selected this asset for the trade because its 20-minute commute to Anthropic’s headquarters makes it an ideal residence for the company’s staff. According to the source, many early employees may find themselves in a state of "paper wealth," where they possess millions in stock value while living in relatively modest circumstances due to the illiquidity of their holdings. This trade offers these individuals a rare opportunity to diversify their assets and upgrade their living standards without waiting for a formal public listing.

Surging Valuations Driven By Claude Code Momentum

The frenzy surrounding Anthropic shares is largely attributed to the company's recent technical milestones and rapid revenue growth. According to Business Insider, the firm's valuation on secondary markets has soared to $1 trillion, fueled by investor enthusiasm for Claude Code, its AI-powered coding assistant. Duncan noted that after implementing the platform within his own investment bank, he observed a potential 50% reduction in costs and a tripling of operational throughput. This firsthand experience with the technology’s efficiency convinced him to double down on his existing exposure to the company, even if it required the liquidation of high value real estate.