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Conviction leaders · weighted by position size

Whose entire portfolio does smart money agree with?

30 managers ranked by the position-weighted average ConvictionScore of their top holdings. A high score means the unified −100..+100 smart-money model agrees with every one of their biggest bets, right now.

Forward-looking, not historical. Position-weighted so a +60 score on a 25% position counts more than +60 on a 2% position. “(Own)” holdings excluded.

Full ranking · top 20

Position-weighted conviction

Each manager’s top holdings (excluding their own company) scored on the unified −100..+100 ConvictionScale, then weighted by position size and averaged.

#ManagerWeighted avg
1Dev Kantesaria
Valley Forge Capital
+12.2
2Mohnish Pabrai
Pabrai Investment Funds
+12.1
3Michael Burry
Scion Asset Management
+8.1
4Glenn Greenberg
Brave Warrior Advisors
+7.3
5Howard Marks
Oaktree Capital
+5.8
6David Einhorn
Greenlight Capital
+5
7Stanley Druckenmiller
Duquesne Family Office
+4.3
8Prem Watsa
Fairfax Financial
+4
9Carl Icahn
Icahn Enterprises
+2.7
10Li Lu
Himalaya Capital
+2.5
11Chris Hohn
TCI Fund Management
+2.1
12Jeffrey Ubben
ValueAct Capital
+0.6
13David Tepper
Appaloosa Management
+0.2
14John Armitage
Egerton Capital
−1.6
15William von Mueffling
Cantillon Capital Management
−1.7
16Chuck Akre
Akre Capital Management
−1.9
17Tom Slater
Baillie Gifford (Long Term Global Growth)
−2.1
18Stephen Mandel
Lone Pine Capital
−2.4
19Terry Smith
Fundsmith
−2.8
20Seth Klarman
Baupost Group
−3.8
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How this is computed

Position-weighted average

weightedAvg = Σ(score × pct) / Σ(pct)

For each manager, every top-10 holding (excluding “(own)” companies like Icahn’s IEP) gets the unified −100..+100 ConvictionScore. We then average those scores weighted by the size of each position in the portfolio. A 25%-of-portfolio +60 conviction beats a 2% +60 conviction.

This is a forward-looking signal, distinct from /leaderboard (historical 10y alpha) and /manager-rankings (skill × activity composite). Average across all 30 leaders: −0.5.

ConvictionScore methodology: methodology. Not investment advice. Updates with each new 13F filing cycle.