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Home › Superinvestors › Bill Ackman › vs Seth Klarman

Bill Ackman vs Seth Klarman

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

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

Shared holdings (top 25)

StockBill Ackman %Seth Klarman %
AMAZON COM INC17.4%12.7%
RESTAURANT BRANDS INTL INC12.2%11.7%

Biggest disagreements

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%
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%
Profile
Bill Ackman →
Pershing Square Capital Management, L.P. · $13.71B
Picks: -7.3% (1Y)
Profile
Seth Klarman →
BAUPOST GROUP LLC/MA · $5.12B
Picks: +39.7% (1Y)

More comparisons & related to Bill Ackman

Compare with other superinvestors

  • Bill Ackman vs Warren Buffett
  • Bill Ackman vs Leopold Aschenbrenner
  • Bill Ackman vs George Soros
  • Bill Ackman vs Ray Dalio

Other superinvestors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Michael Burry
  • Mohnish Pabrai

By investing strategy

  • Value investors
  • Quality compounders
  • Concentrated portfolio investors

Bill Ackman vs Seth Klarman: 13F overlap

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

Bill Ackman vs Seth Klarman

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

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

Shared holdings (top 25)

StockBill Ackman %Seth Klarman %
AMAZON COM INC17.4%12.7%
RESTAURANT BRANDS INTL INC12.2%11.7%

Biggest disagreements

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%
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%
Profile
Bill Ackman →
Pershing Square Capital Management, L.P. · $13.71B
Picks: -7.3% (1Y)
Profile
Seth Klarman →
BAUPOST GROUP LLC/MA · $5.12B
Picks: +39.7% (1Y)

More comparisons & related to Bill Ackman

Compare with other superinvestors

  • Bill Ackman vs Warren Buffett
  • Bill Ackman vs Leopold Aschenbrenner
  • Bill Ackman vs George Soros
  • Bill Ackman vs Ray Dalio

Other superinvestors

  • Warren Buffett
  • Leopold Aschenbrenner
  • George Soros
  • Ray Dalio
  • Michael Burry
  • Mohnish Pabrai

By investing strategy

  • Value investors
  • Quality compounders
  • Concentrated portfolio investors

Bill Ackman vs Seth Klarman: 13F overlap

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