Aquamarine Zurich AG Long-Term Concentrated

CIK: 0001953324 · Show all filings

Period: Q1 2025 (← Previous) (Next →)

Filing Date: Jul 18, 2025

Total Value ($000): $294 (100.0% shares, 0.0% debt)

Holdings (14)

BRK/B BERKSHIRE HATHAWAY INC DEL 25.5%

Value ($000) $75 Shares 140,600 Est. Cost $284.56 Unrealized +70.8%

AXP AMERICAN EXPRESS CO 19.2%

Value ($000) $57 Shares 210,000 Est. Cost $144.95 Unrealized +101.8%

MA MASTERCARD INCORPORATED 12.3%

Value ($000) $36 Shares 65,750 Est. Cost $325.17 Unrealized +66.7%

BAC BANK AMERICA CORP 10.9%

Value ($000) $32 Shares 767,845 Est. Cost $30.59 Unrealized +42.6%

BRK/A BERKSHIRE HATHAWAY INC DEL 8.2%

Value ($000) $24 Shares 30 Est. Cost $428128.38 Unrealized +70.4%

RACE FERRARI N V 8.0%

Value ($000) $24 Shares 60,000 Est. Cost $199.38 Unrealized +125.5%

MU MICRON TECHNOLOGY INC 5.9%

Value ($000) $17 Shares 200,000 Est. Cost $56.91 Unrealized +68.2%

MCO MOODYS CORP 4.3%

Value ($000) $13 Shares 27,000 Est. Cost $282.31 Unrealized +69.5%

BABA ALIBABA GROUP HLDG LTD 2.1%

Value ($000) $6 Shares 47,500 Est. Cost $80.00 Unrealized —

DJCO DAILY JOURNAL CORP 1.6%

Value ($000) $5 Shares 11,500 Est. Cost $264.01 Unrealized +63.8%

GOOGL ALPHABET INC 0.8%

Value ($000) $2 Shares 16,000 Est. Cost $95.11 Unrealized +90.0%

SRG SERITAGE GROWTH PPTYS 0.5%

Value ($000) $2 Shares 500,000 Est. Cost $11.44 Unrealized -68.0%

AMR ALPHA METALLURGICAL RESOUR I 0.3%

Value ($000) $1 Shares 8,000 Est. Cost $309.65 Unrealized -47.4%

CNR CORE NATURAL RESOURCES INC 0.3%

Value ($000) $1 Shares 10,740 Est. Cost $84.05 Unrealized 0.0%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
BRK/B	BERKSHIRE HATHAWAY INC DEL	140,600	$75	25.5%	$284.56	+70.8%	CL B NEW	084670702
AXP	AMERICAN EXPRESS CO	210,000	$57	19.2%	$144.95	+101.8%	COM	025816109
MA	MASTERCARD INCORPORATED	65,750	$36	12.3%	$325.17	+66.7%	CL A	57636Q104
BAC	BANK AMERICA CORP	767,845	$32	10.9%	$30.59	+42.6%	COM	060505104
BRK/A	BERKSHIRE HATHAWAY INC DEL	30	$24	8.2%	$428128.38	+70.4%	CL A	084670108
RACE	FERRARI N V	60,000	$24	8.0%	$199.38	+125.5%	COM	N3167Y103
MU	MICRON TECHNOLOGY INC	200,000	$17	5.9%	$56.91	+68.2%	COM	595112103
MCO	MOODYS CORP	27,000	$13	4.3%	$282.31	+69.5%	COM	615369105
BABA	ALIBABA GROUP HLDG LTD	47,500	$6	2.1%	$80.00	—	SPONSORED ADS	01609W102
DJCO	DAILY JOURNAL CORP	11,500	$5	1.6%	$264.01	+63.8%	COM	233912104
GOOGL	ALPHABET INC	16,000	$2	0.8%	$95.11	+90.0%	CAP STK CL A	02079K305
SRG	SERITAGE GROWTH PPTYS	500,000	$2	0.5%	$11.44	-68.0%	CL A	81752R100
AMR	ALPHA METALLURGICAL RESOUR I	8,000	$1	0.3%	$309.65	-47.4%	COM	020764106
CNR	CORE NATURAL RESOURCES INC	10,740	$1	0.3%	$84.05	0.0%	COM SHS	218937100