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Aquamarine Zurich AG

Q3 2025 · 13F-HR

Aquamarine Zurich AGholdings as filed

Filed 2025-10-20 · accession 0001953324-25-000007

$317,370
Reported value
14
Positions
2025-09-30
Period end
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Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
084670702BRK/BBERKSHIRE HATHAWAY INC DEL$70,68522.3%140,600CommonSOLE
025816109AXPAMERICAN EXPRESS CO$69,75422.0%210,000CommonSOLE
060505104BACBANK AMERICA CORP$39,61312.5%767,845CommonSOLE
57636Q104MAMASTERCARD INCORPORATED$37,39911.8%65,750CommonSOLE
N3167Y103RACEFERRARI N V$28,9789.13%60,000CommonSOLE
084670108BRK/ABERKSHIRE HATHAWAY INC DEL$22,6267.13%30CommonSOLE
595112103MUMICRON TECHNOLOGY INC$13,3864.22%80,000CommonSOLE
615369105MCOMOODYS CORP$12,8654.05%27,000CommonSOLE
01609W102BABAALIBABA GROUP HLDG LTD$8,4902.68%47,500CommonSOLE
233912104DJCODAILY JOURNAL CORP$5,3491.69%11,500CommonSOLE
02079K305GOOGLALPHABET INC$3,8901.23%16,000CommonSOLE
81752R100SRGSERITAGE GROWTH PPTYS$2,1250.67%500,000CommonSOLE
020764106AMRALPHA METALLURGICAL RESOUR I$1,3130.41%8,000CommonSOLE
218937100CNRCORE NATURAL RESOURCES INC$8970.28%10,740CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.