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Aquamarine Zurich AG

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13F filer, CIK 1953324, ZURICH, Switzerland

Aquamarine Zurich AG reported $144,091,000 across 7 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-07-10.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001953324-26-000003

Period
2026-06-30
Reported value
$144M
Holdings
7
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001953324-26-000003, largest first. % of portfolio is the value over $144,091,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 140,600 shares; 2024Q4: 140,600 shares; 2025Q1: 140,600 shares; 2025Q2: 140,600 shares; 2025Q3: 140,600 shares; 2025Q4: 97,600 shares; 2026Q1: 97,600 shares; 2026Q2: 97,600 shares 97,600$48.8M33.89%0Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 30 shares; 2024Q4: 30 shares; 2025Q1: 30 shares; 2025Q2: 30 shares; 2025Q3: 30 shares; 2025Q4: 30 shares; 2026Q1: 30 shares; 2026Q2: 30 shares 30$22.5M15.59%0Timeline
AXPAMERICAN EXPRESS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 210,000 shares; 2024Q4: 210,000 shares; 2025Q1: 210,000 shares; 2025Q2: 210,000 shares; 2025Q3: 210,000 shares; 2025Q4: 65,000 shares; 2026Q1: 65,000 shares; 2026Q2: 65,000 shares 65,000$22M15.26%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 65,750 shares; 2024Q4: 65,750 shares; 2025Q1: 65,750 shares; 2025Q2: 65,750 shares; 2025Q3: 65,750 shares; 2025Q4: 40,000 shares; 2026Q1: 40,000 shares; 2026Q2: 40,000 shares 40,000$20.5M14.26%0Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 27,000 shares; 2024Q4: 27,000 shares; 2025Q1: 27,000 shares; 2025Q2: 27,000 shares; 2025Q3: 27,000 shares; 2025Q4: 27,000 shares; 2026Q1: 27,000 shares; 2026Q2: 27,000 shares 27,000$12.2M8.49%0Timeline
RACEFERRARI N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 60,000 shares; 2024Q4: 60,000 shares; 2025Q1: 60,000 shares; 2025Q2: 60,000 shares; 2025Q3: 60,000 shares; 2025Q4: 30,000 shares; 2026Q1: 30,000 shares; 2026Q2: 30,000 shares 30,000$11.1M7.71%0Timeline
DJCODAILY JOURNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 11,500 shares; 2024Q4: 11,500 shares; 2025Q1: 11,500 shares; 2025Q2: 11,500 shares; 2025Q3: 11,500 shares; 2025Q4: 11,500 shares; 2026Q1: 11,500 shares; 2026Q2: 11,500 shares 11,500$6.91M4.8%0Timeline

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001953324-26-000003 base2026-07-10acceptance time not in the bulk data set