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Aquamarine Zurich AG

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13F filer, CIK 1953324, ZURICH, Switzerland

Aquamarine Zurich AG reported $287,605,000 across 14 holdings for the quarter ended 2024-12-31, in a 13F-HR filed 2025-01-24. Its ten largest share positions make up 97.28% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001953324-25-000001

Period
2024-12-31
Reported value
$288M
Holdings
14
Top 10 weight
97.28%
New
0
Sold out
0

Holdings, Q4 2024

Share positions as resolved from 13F-HR 0001953324-25-000001, largest first. % of portfolio is the value over $287,605,000, 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; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 140,600 shares; 2024Q4: 140,600 shares 140,600$63.7M22.16%0Timeline
AXPAMERICAN EXPRESS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 210,000 shares; 2024Q4: 210,000 shares 210,000$62.3M21.67%0Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 65,750 shares; 2024Q4: 65,750 shares 65,750$34.6M12.04%0Timeline
BACBANK OF AMER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 767,845 shares; 2024Q4: 767,845 shares 767,845$33.7M11.73%0Timeline
RACEFERRARI N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 60,000 shares; 2024Q4: 60,000 shares 60,000$24.7M8.6%0Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 30 shares; 2024Q4: 30 shares 30$20.4M7.1%0Timeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 200,000 shares; 2024Q4: 200,000 shares 200,000$16.8M5.85%0Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 27,000 shares; 2024Q4: 27,000 shares 27,000$12.8M4.44%0Timeline
DJCODAILY JOURNAL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 11,500 shares; 2024Q4: 11,500 shares 11,500$6.53M2.27%0Timeline
BABAALIBABA GROUP HLDG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 47,500 shares; 2024Q4: 47,500 shares 47,500$4.03M1.4%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 16,000 shares; 2024Q4: 16,000 shares 16,000$3.03M1.05%0Timeline
SRGSERITAGE GROWTH PPTYSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 500,000 shares; 2024Q4: 500,000 shares 500,000$2.06M0.72%0Timeline
AMRALPHA METALLURGICAL RESOUR IQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,000 shares; 2024Q4: 8,000 shares 8,000$1.6M0.56%0Timeline
ARCH RESOURCES INCARCH RESOURCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,100 shares; 2024Q4: 8,100 shares 8,100$1.14M0.4%0

How Q4 2024 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 0001953324-25-000001 base2025-01-24acceptance time not in the bulk data set