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Guy Spier - Aquamarine Capital – Largest Position Reductions (2025 Q4)

This report summarizes the most meaningful reductions and sell-offs made by Guy Spier - Aquamarine Capital in 2025 Q4. The analysis highlights which positions were trimmed or exited, providing insight into how the investor adjusted risk exposure and portfolio strategy.

Symbol Shares Reported Price(USD) Action Change % Portfolio Weight Position Value Filing Period
BRK.B 97,600 $502.65 Reduced -30.58% 33.15% $49.06M 2025 Q4
AXP 65,000 $369.95 Reduced -69.05% 16.25% $24.05M 2025 Q4
MA 40,000 $570.88 Reduced -39.16% 15.43% $22.84M 2025 Q4
RACE 30,000 $318.7 Reduced -50.00% 6.46% $9.56M 2025 Q4
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