Skip to content
Disclosery

Aquamarine Zurich AG

Follow

13F filer, CIK 1953324, ZURICH, Switzerland

Aquamarine Zurich AG reported $135,303,000 across 7 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-04-17.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001953324-26-000002

Period
2026-03-31
Reported value
$135M
Holdings
7
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001953324-26-000002, largest first. % of portfolio is the value over $135,303,000, 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; 2024Q2: restricted; 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 97,600$46.8M34.57%0Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 30 shares; 2024Q4: 30 shares; 2025Q1: 30 shares; 2025Q2: 30 shares; 2025Q3: 30 shares; 2025Q4: 30 shares; 2026Q1: 30 shares 30$21.5M15.92%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 40,000$20M14.77%0Timeline
AXPAMERICAN EXPRESS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 65,000$19.7M14.53%0Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 27,000$11.8M8.71%0Timeline
RACEFERRARI N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 30,000$10M7.4%0Timeline
DJCODAILY JOURNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 11,500$5.55M4.1%0Timeline

How Q1 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 0001953324-26-000002 base2026-04-17acceptance time not in the bulk data set