Built Morningstar's economic moat ratings and its framework for analysing competitive advantage; founded Dorsey Asset Management, a boutique manager for institutional clients.
Dorsey Asset Management
Morningstar
Dorsey Asset Management - Publications & Commentary
He built Morningstar's economic-moat framework and wrote the two books that made moat analysis usable by ordinary investors.
2 books of their own · 5 articles
How to spot a durable economic moat from public information, and what isn't one.
Recommended by: Mohnish Pabrai
The Five Rules for Successful Stock Investing | – | 2004 | T3 | – |
The Little Book That Builds Wealth | How to spot a durable economic moat from public information, and what isn't one. | 2008 | T2 | Mohnish Pabrai |
| Ten Lessons from Ten Years | Dorsey Asset Management (Good Investing conference presentation) | 2026 |
| Competitive Advantage and Capital Allocation | Dorsey Asset Management | 2026 |
| Maximizing Moats: Reinvestment Runways & Capital Allocation | Dorsey Asset Management | 2026 |
| Manual of Ideas interview with Pat Dorsey | The Manual of Ideas | 2014 |
| Manual of Ideas interview with Pat Dorsey | The Manual of Ideas | 2012 |
| Pat Dorsey Follows Buffett’s Lessons to Pick Stocks Paywall | Barron's | 2015 |