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Aquamarine Zurich AG

Q1 2025 · 13F-HR

Aquamarine Zurich AGholdings as filed

Filed 2025-04-11 · accession 0001953324-25-000003

$293,674
Reported value
14
Positions
2025-03-31
Period end
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Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
084670702BRK/BBERKSHIRE HATHAWAY INC DEL$74,88125.5%140,600CommonSOLE
025816109AXPAMERICAN EXPRESS CO$56,50119.2%210,000CommonSOLE
57636Q104MAMASTERCARD INCORPORATED$36,03912.3%65,750CommonSOLE
060505104BACBANK AMERICA CORP$32,04210.9%767,845CommonSOLE
084670108BRK/ABERKSHIRE HATHAWAY INC DEL$23,9538.16%30CommonSOLE
N3167Y103RACEFERRARI N V$23,5328.01%60,000CommonSOLE
595112103MUMICRON TECHNOLOGY INC$17,3785.92%200,000CommonSOLE
615369105MCOMOODYS CORP$12,5744.28%27,000CommonSOLE
01609W102BABAALIBABA GROUP HLDG LTD$6,2812.14%47,500CommonSOLE
233912104DJCODAILY JOURNAL CORP$4,5741.56%11,500CommonSOLE
02079K305GOOGLALPHABET INC$2,4740.84%16,000CommonSOLE
81752R100SRGSERITAGE GROWTH PPTYS$1,6150.55%500,000CommonSOLE
020764106AMRALPHA METALLURGICAL RESOUR I$1,0020.34%8,000CommonSOLE
218937100CNRCORE NATURAL RESOURCES INC$8280.28%8,100CommonSOLE

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.