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Head-to-head comparison

Seth Klarman vs Lee Ainslie

Seth Klarman
Baupost Group
Q9/10
"Margin of safety. Cash is a position. Patience pays."
6 positionsSince 1982
Lee Ainslie
Maverick Capital
Q8/10
"Long-short equity, deep fundamental, team-based research."
5 positionsSince 1993
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Recent moves — Q4 2025

Latest quarter activity for each manager.

Seth Klarman
  • QSRNEW
  • AMZNNEW
  • WTWNEW
  • ELVNEW
  • UNPNEW
  • WCCNEW
  • FNFNEW
  • DGNEW
  • FERGNEW
  • LBTYKNEW
  • FENEW
  • CRHNEW
  • HLFNEW
  • MOHNEW
  • GOOGADD +40%
    Building out new Alphabet position.
  • VSTADD +25%
    Aggressive Vistra add — AI data center demand thesis.
  • WBDREDUCE -12%
    Continued Warner Bros. profit-taking.
Lee Ainslie
  • DHRADD +1100%
  • UNPADD +107%
  • CMGNEW
  • CEGNEW
  • BABANEW
  • APINEW
  • SPOTNEW
  • PGRNEW
  • TMONEW
  • CSXNEW
  • METAADD +50%
    Big META add — conviction build.
  • NFLXADD +35%
    Adding Netflix.
  • BNADD +33%
  • LYVADD +28%
  • CRHADD +20%
  • VSTADD +7%
  • SPGEXIT
  • FLUTEXIT
  • APOEXIT
  • TLNEXIT
  • JEXIT
  • FNDEXIT
  • TSMREDUCE -61%
  • PDDREDUCE -26%
  • AMZNREDUCE -23%
  • COFREDUCE -21%
  • MSFTREDUCE -16%
  • LPLAREDUCE -14%
  • CRSREDUCE -8%

Data sourced from 13F filings with the SEC. Overlap in top positions is a concrete consensus signal, not investment advice.