Aquamarine Zurich Ag

Investment Portfolio & 13F Holdings Analysis

About

CIK: 0001953324

Type: FundHoldings: 14Value: $293.7MLatest: 2025Q1

Aquamarine Zurich AG is an institutional investment manager that filed its latest Form 13F for 2025Q1, reporting 14 holdings worth $0.3 billion. Form 13F filings provide transparency into the equity holdings of institutional investment managers with over $100 million in assets under management. This page displays the most recent portfolio holdings, allowing investors to track position changes, new investments, and portfolio composition.

AI_NATIVE detailed information: This accession holds the following tickers:[
  "AMR",
  "MU",
  "BABA",
  "GOOGL",
  "AXP",
  "SRG",
  "MA",
  "CNR",
  "RACE",
  "BAC",
  "BRK-A",
  "BRK-B",
  "DJCO",
  "MCO"
]

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-04-11
Total Holdings: 14
Total Value: 293674
Accession Number: 0001953324-25-000003
Form Type: 13F-HR
CIK: aquamarine-zurich-ag
Manager Name: Aquamarine-Zurich-Ag

Data Enrichment

100% identified

14 identified0 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

14 positions • $293.7K total value

SEC FilingSEC DataHachi Filing

Manager:

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BERKSHIRE HATHAWAY INC

BRK-B|084670702

Shares:140.6K

Value:$74.9M

% of Portfolio:25498.0% ($74.9M/$293.7K)

AMERICAN EXPRESS CO

AXP|025816109

Shares:210.0K

Value:$56.5M

% of Portfolio:19239.4% ($56.5M/$293.7K)

Mastercard Inc

MA|57636Q104

Shares:65.8K

Value:$36.0M

% of Portfolio:12271.8% ($36.0M/$293.7K)

BANK OF AMERICA CORP /DE/

BAC|060505104

Shares:767.8K

Value:$32.0M

% of Portfolio:10910.7% ($32.0M/$293.7K)

BERKSHIRE HATHAWAY INC

BRK-A|084670108

Shares:30

Value:$24.0M

% of Portfolio:8156.3% ($24.0M/$293.7K)

Ferrari N.V.

RACE|N3167Y103

Shares:60.0K

Value:$23.5M

% of Portfolio:8013.0% ($23.5M/$293.7K)

MICRON TECHNOLOGY INC

MU|595112103

Shares:200.0K

Value:$17.4M

% of Portfolio:5917.4% ($17.4M/$293.7K)

MOODYS CORP /DE/

MCO|615369105

Shares:27.0K

Value:$12.6M

% of Portfolio:4281.6% ($12.6M/$293.7K)

Alibaba Group Holding Ltd

BABA|01609W102

Shares:47.5K

Value:$6.3M

% of Portfolio:2138.8% ($6.3M/$293.7K)

DAILY JOURNAL CORP

DJCO|233912104

Shares:11.5K

Value:$4.6M

% of Portfolio:1557.5% ($4.6M/$293.7K)

Alphabet Inc.

GOOGL|02079K305

Shares:16.0K

Value:$2.5M

% of Portfolio:842.4% ($2.5M/$293.7K)

Seritage Growth Properties

SRG|81752R100

Shares:500.0K

Value:$1.6M

% of Portfolio:549.9% ($1.6M/$293.7K)

Alpha Metallurgical Resources, Inc.

AMR|020764106

Shares:8.0K

Value:$1.0M

% of Portfolio:341.2% ($1.0M/$293.7K)

Core Natural Resources, Inc.

CNR|218937100

Shares:8.1K

Value:$828.0K

% of Portfolio:281.9% ($828.0K/$293.7K)

Instrument	Shares		Other Manager	Value	% of Portfolio
BERKSHIRE HATHAWAY INC(BRK-Bcusip084670702)	140.6K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$74.9M	25498.0% ($74.9M/$293.7K)	QoQ +17.49% (+$11) YoY +26.64% (+$16)
AMERICAN EXPRESS CO(AXPcusip025816109)	210.0K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$56.5M	19239.4% ($56.5M/$293.7K)	QoQ -9.34% (-$6) YoY +18.16% (+$9)
Mastercard Inc(MAcusip57636Q104)	65.8K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$36.0M	12271.8% ($36.0M/$293.7K)	QoQ +4.09% (+$1) YoY +13.82% (+$4)
BANK OF AMERICA CORP /DE/(BACcusip060505104)	767.8K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$32.0M	10910.7% ($32.0M/$293.7K)	QoQ -5.05% (-$2) YoY +10.04% (+$3)
BERKSHIRE HATHAWAY INC(BRK-Acusip084670108)	30	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$24.0M	8156.3% ($24.0M/$293.7K)	QoQ +17.25% (+$4) YoY +25.84% (+$5)
Ferrari N.V.(RACEcusipN3167Y103)	60.0K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$23.5M	8013.0% ($23.5M/$293.7K)	QoQ -4.89% (-$1) YoY -10.02% (-$3)
MICRON TECHNOLOGY INC(MUcusip595112103)	200.0K	QoQ 0.00% (+0) YoY 0.00% (-0)	All Managers (Combined)	$17.4M	5917.4% ($17.4M/$293.7K)	QoQ +3.24% (+$1) YoY -26.29% (-$6)
MOODYS CORP /DE/(MCOcusip615369105)	27.0K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$12.6M	4281.6% ($12.6M/$293.7K)	QoQ -1.61% (-$0) YoY +18.48% (+$2)
Alibaba Group Holding Ltd(BABAcusip01609W102)	47.5K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$6.3M	2138.8% ($6.3M/$293.7K)	QoQ +55.93% (+$2) YoY +82.74% (+$3)
DAILY JOURNAL CORP(DJCOcusip233912104)	11.5K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$4.6M	1557.5% ($4.6M/$293.7K)	QoQ -29.97% (-$2) YoY +9.97% (+$0)
Alphabet Inc.(GOOGLcusip02079K305)	16.0K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$2.5M	842.4% ($2.5M/$293.7K)	QoQ -18.32% (-$1) YoY +2.44% (+$0)
Seritage Growth Properties(SRGcusip81752R100)	500.0K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$1.6M	549.9% ($1.6M/$293.7K)	QoQ -21.60% (-$0) YoY -66.52% (-$3)
Alpha Metallurgical Resources, Inc.(AMRcusip020764106)	8.0K	QoQ 0.00% (-0) YoY NEW(+8.0K)	All Managers (Combined)	$1.0M	341.2% ($1.0M/$293.7K)	QoQ -37.41% (-$1) YoY NEW(+$1)
Core Natural Resources, Inc.(CNRcusip218937100)	8.1K	QoQ NEW(+8.1K) YoY NEW(+8.1K)	All Managers (Combined)	$828.0K	281.9% ($828.0K/$293.7K)	QoQ NEW(+$1) YoY NEW(+$1)