Anthropic employees sold shares at ~$350 billion earlier this month. Today, investors are offering above $800 billion. That's a 2.3x markup in two weeks. And Anthropic is turning the money down. The revenue trajectory explains the frenzy. Anthropic went from $9 billion annualized at end of 2025 to $30 billion by the end of March 2026. That's 3.3x in one quarter, driven almost entirely by Claude Code enterprise adoption. More than 500 companies are now spending $1M+ per year, up from a dozen…