Some record dates are in the future and are excluded from the latest observation date.

Person

Guy Spier

Featured portfolio

Aquamarine Capital — latest disclosed US 13F book.

Quarter: Q2 2026
Positions: 7
Portfolio value: $144,091,000

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Linked portfolios

Each portfolio is a separate legal or operational book — we keep them distinct so unlike disclosures are never summed together.

Aquamarine Capital

Manager

Aquamarine Capital

Adviser-level US 13F filing

Quarter: Q1 2026
Value: $135.3M

Featured portfolio