Compare portfolio managers.
105 head-to-head comparisons between the top 15 Tier-1 managers we track. Overlap matrix heatmap below, plus shared holdings, live portfolio values, and quarter-over-quarter moves on every pair page.
Overlap matrix
Every cell counts how many tickers two managers share in their top-10 holdings. Click any cell to see the full side-by-side comparison. Darker = more consensus. Dataroma has nothing like this — it's a raw holding count per manager and you're left to eyeball overlaps yourself.
Buffett | Ackman | Icahn | Klarman | Greenblatt | Druckenmiller | Lu | Marks | Halvorsen | Hohn | Ubben | Mandel | Ainslie | Akre | Smith | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buffett | – | 1 | 1 | 1 | 1 | 1 | |||||||||
| Ackman | – | 1 | 1 | ||||||||||||
| Icahn | 1 | – | |||||||||||||
| Klarman | – | 1 | |||||||||||||
| Greenblatt | 1 | – | 1 | 1 | 3 | 3 | 1 | 2 | 3 | 1 | 2 | ||||
| Druckenmiller | 1 | – | 2 | 1 | 2 | 2 | 1 | ||||||||
| Lu | 1 | 1 | 1 | – | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| Marks | 1 | – | |||||||||||||
| Halvorsen | 3 | 2 | 1 | – | 3 | 1 | 3 | 3 | 3 | 4 | |||||
| Hohn | 1 | 1 | 3 | 1 | 1 | 3 | – | 1 | 2 | 3 | 3 | 3 | |||
| Ubben | 1 | 1 | 1 | 1 | – | 1 | 1 | 1 | 1 | ||||||
| Mandel | 2 | 2 | 1 | 3 | 2 | 1 | – | 3 | 1 | 2 | |||||
| Ainslie | 3 | 2 | 1 | 3 | 3 | 1 | 3 | – | 1 | 2 | |||||
| Akre | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | – | 3 | |||||
| Smith | 2 | 1 | 1 | 4 | 3 | 1 | 2 | 2 | 3 | – |
Most similar pairs
Warren Buffett
Bill Ackman
Carl Icahn
Seth Klarman
Joel Greenblatt
Stanley Druckenmiller
Li Lu
Howard Marks
Andreas Halvorsen
Chris Hohn
Jeffrey Ubben
Stephen Mandel
Lee Ainslie
Chuck Akre
All comparisons include live portfolio values computed from current market prices. Not investment advice.
Reading for your research
Optional background reading on interpreting company disclosures and investing methods. These books do not validate a signal or predict returns.
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