13f-analysis

Fetch and analyze U.S. institutional 13F-HR filings with normalized holdings data.

18|3|Updated Jan 20, 2026
One-click install
npx skills add https://github.com/mohitjandwani/analyst-kit --skill 13f-analysis-mohitjandwani
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: 13f-analysis
Source: https://github.com/mohitjandwani/analyst-kit/tree/main/plugins/analyst-kit/skills/13f-analysis
Command: npx skills add https://github.com/mohitjandwani/analyst-kit --skill 13f-analysis-mohitjandwani

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the retrieval and analysis of U.S. institutional 13F-HR filings, providing access to detailed long-equity holdings data for fund managers.

Core Features & Use Cases

  • 13F-HR Filing Retrieval: Fetch the latest or historical quarter's 13F-HR filings for any fund manager.
  • Fund Entity Resolution: Resolve a fund name to its corresponding filing entity (CIK).
  • Data Normalization: Normalize holdings data to whole dollars and aggregate positions by issuer.
  • Use Case: Quickly analyze a fund's portfolio composition and investment strategies by retrieving and interpreting its 13F-HR filing.

Quick Start

Fetch the latest 13F-HR holdings for Berkshire Hathaway using the 13f-analysis skill.

Frequently Asked Questions about 13f-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fetch and analyze 13F-HR filings for institutional fund managers?

You can retrieve 13F-HR filings by providing a fund manager's name. The Skill resolves the name to a CIK, fetches the SEC EDGAR data, and normalizes long-equity holdings by issuer for portfolio analysis.

What is the best way to resolve a fund name to its SEC EDGAR CIK for holdings data?

Resolving a fund name to its SEC EDGAR CIK is handled automatically during 13F-HR filing retrieval. The Skill maps the provided fund entity name to its corresponding CIK to fetch the correct institutional holdings data.

Can I retrieve historical 13F-HR holdings data for a specific quarter?

Yes, you can retrieve historical 13F-HR holdings data for a specific quarter. The Skill fetches both latest and historical U.S. institutional 13F-HR filings from SEC EDGAR to support long-term investment strategy development.

Do I need any external dependencies or API keys to analyze SEC EDGAR 13F-HR filings?

No external dependencies or API keys are required. The Skill analyzes SEC EDGAR 13F-HR filings using only Python's standard library and requires direct SEC EDGAR access to retrieve institutional holdings data.

How are aggregated positions and holdings data normalized in 13F analysis?

Holdings data in 13F analysis is normalized to whole dollars. The Skill aggregates long-equity positions by issuer, providing a clean dataset for evaluating a fund manager's portfolio composition and investment strategies.