Aquamarine Zurich AG

CIK: 0001953324SEC EDGAR →

Portfolio Value

$148K

Holdings

7

As of

Q4 2025

New Positions

7

Closed Positions

0

Top 10 Holdings

RankStockSharesValue% of Portfolio
1

AMERICAN EXPRESS CO

65,000$24.0M
16298.30%
2

FERRARI N V

30,000$9.6M
6480.14%
3

DAILY JOURNAL CORP

11,500$5.6M
3798.21%
4

BERKSHIRE HATHAWAY INC DEL

97,600$49K
33.25%
5

MASTERCARD INCORPORATED

40,000$23K
15.48%
6

BERKSHIRE HATHAWAY INC DEL

30$23K
15.35%
7

MOODYS CORP

27,000$14K
9.35%

Quarterly Changes

Top Buys

AXPNEW
$24.0M
RACENEW
$9.6M
DJCONEW
$5.6M
$49K
MANEW
$23K

Top Sells

No sells this quarter

New Positions (7)

$24.0M · 65K shares
$9.6M · 30K shares
$5.6M · 12K shares
$49K · 98K shares
$23K · 40K shares
$23K · 30 shares
$14K · 27K shares

Sector Breakdown

Sector# HoldingsValue%
Financial Services3$24.1M61.2%
Consumer Cyclical1$9.6M24.3%
Technology1$5.6M14.3%
Unknown2$72K0.2%