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Home › Superinvestors › Seth Klarman › vs Bill Ackman

Seth Klarman vs Bill Ackman

Side-by-side comparison of two superinvestors' latest disclosed 13F portfolios — what they agree on, where they part ways.

Seth Klarman
Picks: +39.7% (1Y)
Bill Ackman
Picks: -7.3% (1Y)

Shared holdings (top 25)

StockSeth Klarman %Bill Ackman %
AMAZON COM INC12.7%17.4%
RESTAURANT BRANDS INTL INC11.7%12.2%

Biggest disagreements

Only in Seth Klarman's book
  • WESCO INTL INC7.7%
  • UNION PAC CORP7.3%
  • ELEVANCE HEALTH INC FORMERLY7.3%
  • ALPHABET INC6.6%
  • FERGUSON ENTERPRISES INC6.6%
  • WILLIS TOWERS WATSON PLC LTD5.1%
  • AON PLC4.9%
  • VISA INC4.1%
Only in Bill Ackman's book
  • BROOKFIELD CORP17.6%
  • UBER TECHNOLOGIES INC15.7%
  • MICROSOFT CORP15.3%
  • META PLATFORMS INC11.1%
  • HOWARD HUGHES HOLDINGS INC8.7%
  • SEAPORT ENTMT GROUP INC0.8%
  • ALPHABET INC0.7%
  • HERTZ GLOBAL HLDGS INC0.5%
Profile
Seth Klarman →
BAUPOST GROUP LLC/MA · $5.12B
Picks: +39.7% (1Y)
Profile
Bill Ackman →
Pershing Square Capital Management, L.P. · $13.71B
Picks: -7.3% (1Y)

More comparisons & related to Seth Klarman

Compare with other superinvestors

  • Seth Klarman vs Warren Buffett
  • Seth Klarman vs Leopold Aschenbrenner
  • Seth Klarman vs George Soros
  • Seth Klarman vs Ray Dalio

Other superinvestors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman
  • Michael Burry

By investing strategy

  • Value investors
  • Quality compounders
  • Concentrated portfolio investors

Seth Klarman vs Bill Ackman: 13F overlap

Seth Klarman runs BAUPOST GROUP LLC/MA ($5.12B disclosed). Bill Ackman runs Pershing Square Capital Management, L.P. ($13.71B disclosed). They share 2 common positions, with 20 names unique to Seth Klarman's book and 8 unique to Bill Ackman's book.

Use the tables above to spot conviction overlaps (where both managers go large on the same name) and contrarian disagreements (where one is buying while the other has nothing).

Key takeaways

  • 2 shared positions.
  • Seth Klarman-only: 20 names.
  • Bill Ackman-only: 8 names.
Home › Superinvestors › Seth Klarman › vs Bill Ackman

Seth Klarman vs Bill Ackman

Side-by-side comparison of two superinvestors' latest disclosed 13F portfolios — what they agree on, where they part ways.

Seth Klarman
Picks: +39.7% (1Y)
Bill Ackman
Picks: -7.3% (1Y)

Shared holdings (top 25)

StockSeth Klarman %Bill Ackman %
AMAZON COM INC12.7%17.4%
RESTAURANT BRANDS INTL INC11.7%12.2%

Biggest disagreements

Only in Seth Klarman's book
  • WESCO INTL INC7.7%
  • UNION PAC CORP7.3%
  • ELEVANCE HEALTH INC FORMERLY7.3%
  • ALPHABET INC6.6%
  • FERGUSON ENTERPRISES INC6.6%
  • WILLIS TOWERS WATSON PLC LTD5.1%
  • AON PLC4.9%
  • VISA INC4.1%
Only in Bill Ackman's book
  • BROOKFIELD CORP17.6%
  • UBER TECHNOLOGIES INC15.7%
  • MICROSOFT CORP15.3%
  • META PLATFORMS INC11.1%
  • HOWARD HUGHES HOLDINGS INC8.7%
  • SEAPORT ENTMT GROUP INC0.8%
  • ALPHABET INC0.7%
  • HERTZ GLOBAL HLDGS INC0.5%
Profile
Seth Klarman →
BAUPOST GROUP LLC/MA · $5.12B
Picks: +39.7% (1Y)
Profile
Bill Ackman →
Pershing Square Capital Management, L.P. · $13.71B
Picks: -7.3% (1Y)

More comparisons & related to Seth Klarman

Compare with other superinvestors

  • Seth Klarman vs Warren Buffett
  • Seth Klarman vs Leopold Aschenbrenner
  • Seth Klarman vs George Soros
  • Seth Klarman vs Ray Dalio

Other superinvestors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Bill Ackman
  • Michael Burry

By investing strategy

  • Value investors
  • Quality compounders
  • Concentrated portfolio investors

Seth Klarman vs Bill Ackman: 13F overlap

Seth Klarman runs BAUPOST GROUP LLC/MA ($5.12B disclosed). Bill Ackman runs Pershing Square Capital Management, L.P. ($13.71B disclosed). They share 2 common positions, with 20 names unique to Seth Klarman's book and 8 unique to Bill Ackman's book.

Use the tables above to spot conviction overlaps (where both managers go large on the same name) and contrarian disagreements (where one is buying while the other has nothing).

Key takeaways

  • 2 shared positions.
  • Seth Klarman-only: 20 names.
  • Bill Ackman-only: 8 names.