# Alphagbm Investment Masters Investment Masters

> Investment Masters

- Skill: `tomevault-io/alphagbm-investment-masters-investment-masters` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add tomevault-io/alphagbm-investment-masters-investment-masters`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/alphagbm-investment-masters-investment-masters/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: tomevault-io (https://skillmd.com/u/tomevault-io)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/tomevault-io/alphagbm-investment-masters-investment-masters

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# Investment Masters

Distill investment philosophies from 15 top fund managers into actionable frameworks.

## What This Skill Does

| Capability | Description |
|-----------|-------------|
| **Distill Methodology** | Extract core investment principles from public letters, books, interviews, and 13F filings |
| **Track 13F Holdings** | Quarterly institutional holdings from SEC EDGAR (free, public data) |
| **Compare Masters** | Side-by-side comparison of philosophies, risk management, position sizing |
| **Map to Strategy** | Show how each master's principles translate to systematic, quantifiable rules |
| **Generate Content** | Output analysis as research reports, articles, or structured notes |

## The 15 Masters

| # | Master | Style | Key Source |
|---|--------|-------|-----------|
| 1 | **Bridgewater (Dalio)** | Risk parity / All-weather | *Principles* + All Weather white paper |
| 2 | **Buffett** | Value / Moat | 60 years of shareholder letters |
| 3 | **Renaissance (Simons)** | Pure quant / Statistical arbitrage | *The Man Who Solved the Market* |
| 4 | **AQR (Asness)** | Factor investing / Momentum | 200+ published research papers |
| 5 | **Tepper** | Contrarian / Extreme opportunity | 2009 financial crisis bottom-fishing |
| 6 | **Soros** | Macro / Reflexivity | *The Alchemy of Finance* |
| 7 | **Ackman** | Concentrated / Event-driven | 2020 CDS hedge, public presentations |
| 8 | **Howard Marks** | Cycles / Second-level thinking | *The Most Important Thing* + memos |
| 9 | **Hillhouse (Zhang Lei)** | Long-termism / China | *Value* |
| 10 | **ARK (Wood)** | Disruptive innovation | Big Ideas annual report |
| 11 | **Duan Yongping** | Value / 本分 / Circle of competence | Xueqiu essays, 2006 Buffett lunch |
| 12 | **Peter Lynch** | GARP / Invest in what you know | *One Up on Wall Street* |
| 13 | **Druckenmiller** | Macro / Concentrated asymmetric bets | Quantum Fund, Duquesne interviews |
| 14 | **Liang Wenfeng (High-Flyer)** | Quant / AI-driven | 幻方量化 + DeepSeek |
| 15 | **Linda Raschke** | Short-term technical / Swing | *Street Smarts*, Market Wizards |

## How to Use

### Distill a Single Master

```
Distill Buffett's investment methodology
```

The AI follows the master profile and outputs: core principles, position management, risk control, latest holdings, and strategic takeaways.

### Compare Masters

```
Compare Dalio and Buffett on risk management
```

```
How do Soros and Marks differ on market cycles?
```

### Track 13F Holdings

```
What did Bridgewater buy/sell last quarter?
```

13F data comes from [SEC EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=13F) -- free, public, updated quarterly.

| Master | CIK | Filing Entity |
|--------|-----|--------------|
| Bridgewater | 0001350694 | BRIDGEWATER ASSOCIATES LP |
| Berkshire | 0001067983 | BERKSHIRE HATHAWAY INC |
| Appaloosa (Tepper) | 0001656456 | APPALOOSA MANAGEMENT LP |
| Pershing Square (Ackman) | 0001336528 | PERSHING SQUARE CAPITAL MGMT |
| Soros Fund | 0001029160 | SOROS FUND MANAGEMENT LLC |
| Hillhouse | 0001510057 | HILLHOUSE CAPITAL MGMT LTD |
| ARK Invest | 0001803918 | ARK INVESTMENT MANAGEMENT LLC |

*Note: Renaissance Medallion and AQR's internal funds are not in 13F (proprietary capital). AQR's registered funds file separately.*

### Generate Research

```
Write a research report on the 5 common principles across all 15 masters
```

```
Draft an article on how Marks' cycle theory applies to today's market
```

## 5 Common Principles

Despite radically different styles, all 15 masters converge on these:

### 1. Systems Over Intuition
Dalio built the All-weather system. Simons built quantitative models. AQR built factor frameworks. **The best investors don't rely on gut feeling -- they build repeatable systems.**

### 2. Risk Management Over Stock Picking
- Dalio: "Diversification is the holy grail of investing"
- Marks: "Risk management is not about avoiding risk, but understanding it"
- Tepper: Bets big in extremes, stays conservative otherwise
- **No one survives long-term without disciplined risk control.**

### 3. Clear Thesis + Willingness to Be Wrong
- Ackman: Every position has a clear thesis and exit criteria
- Buffett: "If you can't explain why you bought it simply, you shouldn't buy it"
- Soros: "Invest first, investigate after" -- but exits immediately when wrong
- **Know why you own it. Exit when the thesis breaks.**

### 4. Cycle Awareness
- Marks' pendulum theory
- Dalio's economic quadrants
- Tepper's panic buying
- **Markets perpetually swing between excess optimism and excess pessimism.**

### 5. Long-term > Short-term
- Buffett: "My favorite holding period is forever"
- Zhang Lei: "Long-termism isn't long-term holding, it's long-term value creation"
- Exception: Renaissance profits from short-term statistical arbitrage
- **Choose your time frame and stick to it.**

## Data Sources

| Source | Type | Access | Update Frequency |
|--------|------|--------|-----------------|
| SEC EDGAR 13F | Institutional holdings | Free, public | Quarterly (45 days after quarter end) |
| Shareholder letters | Philosophy, outlook | Free, public | Annual |
| Published books | Deep methodology | One-time | N/A |
| Conference talks / interviews | Current views | Free (YouTube, podcasts) | Ongoing |
| Oaktree memos (Marks) | Cycle analysis | Free on oaktree.com | ~Monthly |
| ARK Big Ideas | Innovation thesis | Free on ark-invest.com | Annual |

## Update Schedule

- **13F holdings**: Quarterly (Feb/May/Aug/Nov, ~45 days after quarter end)
- **Important letters/memos**: Event-driven, as published
- **New masters**: Can be added on request

## Related

- [AlphaGBM Skills](https://github.com/AlphaGBM/skills) -- 26 AI skills for options intelligence with real market data

---

*Built by [AlphaGBM](https://alphagbm.com) -- Investment intelligence informed by the world's best investors.*

---
> Source: [AlphaGBM/investment-masters](https://github.com/AlphaGBM/investment-masters) — distributed by [TomeVault](https://tomevault.io).
<!-- tomevault:4.0:skill_md:2026-06-17 -->

