Super Investor MCP Server

Query superinvestor 13F portfolios and insider transactions from SEC EDGAR — directly from any MCP-compatible AI agent (Claude, etc).

Track what Warren Buffett, Bill Ackman, Michael Burry, Ray Dalio, and 22 other legendary investors are buying and selling.

Quick Start

npx super-investor-mcp

Claude Desktop

Add to ~/.claude/claude_desktop_config.json:

{
  "mcpServers": {
    "super-investor": {
      "command": "npx",
      "args": ["super-investor-mcp"]
    }
  }
}

Then ask Claude: "What's in Warren Buffett's portfolio?" or "Are any CEOs buying their own stock?"

Tools

| Tool | Description | |------|-------------| | get_investor_portfolio | Full 13F holdings for any superinvestor (by name or CIK) | | get_insider_transactions | Recent insider buys/sells from SEC Form 4 filings | | get_stock_holders | Which superinvestors hold a given stock | | get_highest_conviction_bets | Stocks with highest portfolio concentration | | search_investors_and_stocks | Search investors, funds, stocks | | list_known_investors | All 26 tracked superinvestors | | get_platform_stats | Aggregate platform statistics |

Tracked Investors

Buffett, Ackman, Burry, Dalio, Einhorn, Pabrai, Klarman, Tepper, Hohn, Loeb, Druckenmiller, Peltz, Icahn, Mandel, Gayner, Abrams, Spier, Marks, Smith, Duan Yongping, and more.

Examples

"What stocks is Michael Burry holding?"
"Show me insider purchases in the last 90 days"
"Which superinvestors own NVDA?"
"What are the highest conviction bets right now?"

Data

All data sourced from SEC EDGAR. 13F filings updated quarterly. Insider transactions updated daily. Not investment advice.

API: super-investor.com | OpenAPI Spec

License

MIT