13F Insight
SEC institutional filings analysis for retail investors — 13F holdings, 13D/G activist filings, Form 4 insider trades, plus an embedded AI agent on every entity page.
AI Documentation Files
Access the llms.txt files for this website
13F Insight indexes SEC EDGAR institutional filings (380K+ 13F-HRs since 1999, 480K+ 13D/Gs since 1994, 4.37M+ Form 4 transactions since 2003) and surfaces them via cross-entity search, position-change diffs, and a tier-gated AI agent. Editorial hubs at /research, /learn, /news produce data-grounded articles.
Key Focus Areas
- 13F Holdings filings — quarterly institutional position tracking
- 13D/G Activist filings — major ownership and activist investor alerts
- Form 4 Insider Transactions — real-time executive buy/sell tracking
- AI Agent — embedded on every fund, filer, and ticker page
- Research & Learn — data-grounded editorial content on SEC filings
About llms.txt Implementation
13F Insight's llms.txt and llms-full.txt (33KB structured knowledge base) document the full product surface: data coverage, search API, AI agent capabilities, filing schemas, and editorial content — enabling AI assistants to accurately answer questions about institutional investing and SEC filings.
Developer Tools
Explore tools created to help you work with llms.txt
- LLMs.txt Checker Chrome ExtensionCheck if websites implement llms.txt and llms-full.txt files
- LLMS.txt VSCode ExtensionSearch and explore llms.txt files directly in VS Code
- MCP LLMS.txt ExplorerExplore and analyze llms.txt files using MCP
- LLMs Txt Raycast ExtensionSearch and explore llms.txt files directly in Raycast
- llmstxt CLIInstall llms.txt documentation directly into your AI coding agents
Browse more
Related Projects
Discover similar websites implementing llms.txt
Easily calculate loan EMI, interest payments, and full amortization schedules. Perfect for home loans, car loans, and personal financing. Try it now!
The all-in-one Commerce OS for businesses. Build an AI-powered website, manage B2B orders, track inventory, and accept Global Payments (Card/Crypto) instantly.