A banker wants to trade his $4.8 million California estate for shares in Anthropic. He's already gotten offers. Banker Storm Duncan is offering this $4.8 million property in exchange for shares of Anthropic. Zillow A tech banker is offering to trade his $4.8 million Marin County estate for shares in Anthropic. The offer comes as Anthropic's valuation on secondary markets reached $1 trillion, and shares are scarce. The banker says he has received multiple offers from employees since posting the deal this week. The hunt for a dwindling number of shares in Anthropic has become so frenzied in recent weeks that a tech banker is offering up his fully furnished $4.8 million Marin County estate featuring an infinity pool with sweeping views of the San Francisco skyline, in exchange for stock. "If you're going fishing, you've got to put a worm on the hook," said Storm Duncan, the founder and managing partner of Ignatious, a tech boutique investment bank, in an interview with Business Insider. "What's my other option?…