Aquamarine Zurich AG Long-Term Concentrated

Location: Zurich, Switzerland

CIK: 0001953324 · Show all filings

Period: Q2 2026 (← Previous)

Filing Date: Jul 10, 2026

Total Value: $144M

Holdings (7)

Unchanged Positions (7)

AXP AMERICAN EXPRESS CO 15.3%

Value $21.99M Shares 65,000 Est. Cost $144.95 Unrealized —

BRK/B BERKSHIRE HATHAWAY INC DEL 33.9%

Value $48.84M Shares 97,600 Est. Cost $284.56 Unrealized —

DJCO DAILY JOURNAL CORP 4.8%

Value $6.914M Shares 11,500 Est. Cost $264.01 Unrealized —

RACE FERRARI N V 7.7%

Value $11.11M Shares 30,000 Est. Cost $199.38 Unrealized —

BRK/A BERKSHIRE HATHAWAY INC DEL 15.6%

Value $22.47M Shares 30 Est. Cost $428128.38 Unrealized —

MA MASTERCARD INCORPORATED 14.3%

Value $20.54M Shares 40,000 Est. Cost $325.17 Unrealized —

MCO MOODYS CORP 8.5%

Value $12.23M Shares 27,000 Est. Cost $282.31 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
AXP	AMERICAN EXPRESS CO	65,000	$21.99M	15.3%	$144.95	—	—	025816109
BRK/B	BERKSHIRE HATHAWAY INC DEL	97,600	$48.84M	33.9%	$284.56	—	—	084670702
DJCO	DAILY JOURNAL CORP	11,500	$6.914M	4.8%	$264.01	—	—	233912104
RACE	FERRARI N V	30,000	$11.11M	7.7%	$199.38	—	—	N3167Y103
BRK/A	BERKSHIRE HATHAWAY INC DEL	30	$22.47M	15.6%	$428128.38	—	—	084670108
MA	MASTERCARD INCORPORATED	40,000	$20.54M	14.3%	$325.17	—	—	57636Q104
MCO	MOODYS CORP	27,000	$12.23M	8.5%	$282.31	—	—	615369105