Aquamarine Capital Guy Spier

Top positions activity

Value History

Quarterly report: Q2 2026

Total portfolio value: $144.1K
TICKER CORP NAME VALUE($) SHARES +/- SHARES OWNERSHIP HISTORY
BRK.B
Berkshire Hathaway Inc. - Class B 48.8K 33.89% 97.6K =
BRK.A
Berkshire Hathaway Inc. - Class A 22.5K 15.59% 30 =
AXP
American Express Co. 22.0K 15.25% 65.0K =
MA
Mastercard Incorporated - Class A 20.5K 14.25% 40.0K =
MCO
Moody`s Corp. 12.2K 8.48% 27.0K =
RACE
Ferrari N.V. 11.1K 7.71% 30.0K =
DJCO
Daily Journal Corporation 6.9K 4.79% 11.5K =