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Home › Superinvestors › Guy Spier › vs Warren Buffett

Guy Spier vs Warren Buffett

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

Guy Spier
Picks: -19.4% (1Y)
Warren Buffett
Picks: +10.9% (1Y)

Shared holdings (top 25)

StockGuy Spier %Warren Buffett %
AMERICAN EXPRESS CO17.1%17.4%
BK OF AMERICA CORP14.0%9.5%
MOODYS CORP4.3%4.1%

Biggest disagreements

Only in Guy Spier's book
  • BERKSHIRE HATHAWAY INC DEL29.8%
  • MASTERCARD INCORPORATED12.2%
  • FERRARI N V8.6%
  • MICRON TECHNOLOGY INC6.5%
  • ALIBABA GROUP HLDG LTD3.2%
  • DAILY JOURNAL CORP1.7%
  • SERITAGE GROWTH PPTYS1.5%
  • ALPHABET INC1.0%
Only in Warren Buffett's book
  • APPLE INC22.0%
  • COCA COLA CO11.6%
  • CHEVRON CORPORATION6.6%
  • OCCIDENTAL PETE CORP6.5%
  • ALPHABET INC6.3%
  • CHUBB LTD SWITZ4.2%
  • KRAFT HEINZ CO2.8%
  • DAVITA INC1.8%
Profile
Guy Spier →
Aquamarine Capital Management, LLC · $170.2M
Picks: -19.4% (1Y)
Profile
Warren Buffett →
Berkshire Hathaway Inc · $263.10B
Picks: +10.9% (1Y)

More comparisons & related to Guy Spier

Compare with other superinvestors

  • Guy Spier vs Warren Buffett
  • Guy Spier vs Leopold Aschenbrenner
  • Guy Spier vs George Soros
  • Guy Spier 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

Guy Spier vs Warren Buffett: 13F overlap

Guy Spier runs Aquamarine Capital Management, LLC ($170.2M disclosed). Warren Buffett runs Berkshire Hathaway Inc ($263.10B disclosed). They share 3 common positions, with 8 names unique to Guy Spier's book and 23 unique to Warren Buffett'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

  • 3 shared positions.
  • Guy Spier-only: 8 names.
  • Warren Buffett-only: 23 names.
Home › Superinvestors › Guy Spier › vs Warren Buffett

Guy Spier vs Warren Buffett

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

Guy Spier
Picks: -19.4% (1Y)
Warren Buffett
Picks: +10.9% (1Y)

Shared holdings (top 25)

StockGuy Spier %Warren Buffett %
AMERICAN EXPRESS CO17.1%17.4%
BK OF AMERICA CORP14.0%9.5%
MOODYS CORP4.3%4.1%

Biggest disagreements

Only in Guy Spier's book
  • BERKSHIRE HATHAWAY INC DEL29.8%
  • MASTERCARD INCORPORATED12.2%
  • FERRARI N V8.6%
  • MICRON TECHNOLOGY INC6.5%
  • ALIBABA GROUP HLDG LTD3.2%
  • DAILY JOURNAL CORP1.7%
  • SERITAGE GROWTH PPTYS1.5%
  • ALPHABET INC1.0%
Only in Warren Buffett's book
  • APPLE INC22.0%
  • COCA COLA CO11.6%
  • CHEVRON CORPORATION6.6%
  • OCCIDENTAL PETE CORP6.5%
  • ALPHABET INC6.3%
  • CHUBB LTD SWITZ4.2%
  • KRAFT HEINZ CO2.8%
  • DAVITA INC1.8%
Profile
Guy Spier →
Aquamarine Capital Management, LLC · $170.2M
Picks: -19.4% (1Y)
Profile
Warren Buffett →
Berkshire Hathaway Inc · $263.10B
Picks: +10.9% (1Y)

More comparisons & related to Guy Spier

Compare with other superinvestors

  • Guy Spier vs Warren Buffett
  • Guy Spier vs Leopold Aschenbrenner
  • Guy Spier vs George Soros
  • Guy Spier 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

Guy Spier vs Warren Buffett: 13F overlap

Guy Spier runs Aquamarine Capital Management, LLC ($170.2M disclosed). Warren Buffett runs Berkshire Hathaway Inc ($263.10B disclosed). They share 3 common positions, with 8 names unique to Guy Spier's book and 23 unique to Warren Buffett'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

  • 3 shared positions.
  • Guy Spier-only: 8 names.
  • Warren Buffett-only: 23 names.