
Thesis Tracker
OfficialFreeStreamline your investment thesis management.
Free · Opens the source repo
What Thesis Tracker does
Thesis Tracker is a specialized tool designed for investors and analysts who need to maintain and update investment theses for their portfolio positions and watchlist stocks. This skill allows users to define or load existing theses, ensuring that they have a structured approach to evaluating their investments. By capturing essential elements such as company name, position type, core thesis statement, key supporting arguments, risks, catalysts, target prices, and stop-loss triggers, users can create a comprehensive overview of their investment rationale.
Once a thesis is established, users can easily update it with new data points or developments. The skill prompts for the date of the new information, the nature of the change, its impact on the thesis, and any necessary actions to take. This systematic approach helps investors stay informed and responsive to market changes, enabling them to adjust their strategies based on real-time information.
Additionally, Thesis Tracker includes a scorecard feature that allows users to maintain a running assessment of their thesis pillars. This scorecard tracks original expectations against current statuses and trends, providing a clear visual representation of how each aspect of the thesis is performing. Users can also keep a catalyst calendar to monitor upcoming events that may affect their investment theses, ensuring they are prepared for potential market movements.
The output of the skill is designed to be concise and suitable for various contexts, including morning meetings, portfolio reviews, and risk committee presentations. By providing a structured format for thesis summaries, users can effectively communicate their investment rationale and conviction levels to stakeholders.
When to use it
Use Thesis Tracker when you need to create, update, or review investment theses for your portfolio or watchlist.
When not to use it
This skill may not be suitable for users who prefer a less structured approach to investment analysis or those who do not actively manage multiple positions.
What you can build with it
Creating a New Thesis
Define a new investment thesis by specifying the company, position, core thesis statement, and key pillars.
Updating an Existing Thesis
Easily add new data points or developments to an existing thesis to keep it current and relevant.
Conducting a Portfolio Review
Use the thesis scorecard and summary output to present your investment rationale during portfolio reviews or meetings.
How to install Thesis Tracker
View source1. Install with the skills CLI
npx skills add anthropics/financial-services/thesis-tracker --agent claude-code2. Or install it manually
Download the skill folder and drop it into ~/.claude/skills/ for all projects, or .claude/skills/ to scope it to one repo. Restart Claude Code so it picks up the new skill.
Anthropic's agentic coding CLI, and the reference implementation of Agent Skills. Drop a skill folder into ~/.claude/skills and Claude Code loads it automatically whenever a task matches the skill's description. Claude Code docs
Inside SKILL.md
Written by anthropicsThesis Tracker
Workflow
Step 1: Define or Load Thesis
If creating a new thesis:
- Company: Name and ticker
- Position: Long or Short
- Thesis statement: 1-2 sentence core thesis (e.g., "Long ACME — margin expansion from pricing power + operating leverage as mix shifts to software")
- Key pillars: 3-5 supporting arguments
- Key risks: 3-5 risks that would invalidate the thesis
- Catalysts: Upcoming events that could prove/disprove the thesis (earnings, product launches, regulatory decisions)
- Target price / valuation: What's it worth if the thesis plays out
- Stop-loss trigger: What would make you exit
If updating an existing thesis, ask the user for the new data point or development.
Step 2: Update Log
For each new data point or development:
- Date: When this happened
- Data point: What changed (earnings beat, management departure, competitor move, etc.)
- Thesis impact: Does this strengthen, weaken, or neutralize a specific pillar?
- Action: No change / Increase position / Trim / Exit
- Updated conviction: High / Medium / Low
Step 3: Thesis Scorecard
Maintain a running scorecard:
| Pillar | Original Expectation | Current Status | Trend |
|---|---|---|---|
| Revenue growth >20% | On track | Q3 was 22% | Stable |
| Margin expansion | Behind | Margins flat YoY | Concerning |
| New product launch | Pending | Delayed to Q2 | Watch |
Step 4: Catalyst Calendar
Track upcoming catalysts:
| Date | Event | Expected Impact | Notes |
|---|---|---|---|
Step 5: Output
Thesis summary suitable for:
- Morning meeting discussion
- Portfolio review
- Risk committee presentation
Format: Concise markdown or Word doc with the scorecard, recent updates, and current conviction level.
Important Notes
- A thesis should be falsifiable — if nothing could disprove it, it's not a thesis
- Track disconfirming evidence as rigorously as confirming evidence
- Review theses at least quarterly, even when nothing dramatic has happened
- If the user manages multiple positions, offer to do a full portfolio thesis review
- Store thesis data in a structured format so it can be referenced across sessions
Frequently asked questions about Thesis Tracker
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