Filed: 4/11/2025ACC: 0001953324-25-000003
📋 What this filing means
AQUAMARINE ZURICH AG filed this quarterly 13F‑HR report disclosing 14 equity positions with a total reported market value of $293.7K. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
14
Positions
$293.7K
Total AUM (reported)
2.06M
Total Shares
Allocation by class
COM$147.6K50.3%
CL B NEW$74.9K25.5%
CL A$61.6K21.0%
SPONSORED ADS$6.3K2.1%
CAP STK CL A$2.5K0.8%
COM SHS$828.000.3%
Portfolio Concentration
Top 3$167.4K57.0%
4–10$120.3K41.0%
11–25$5.9K2.0%
Top 3 weight
57.0%
Top 10 weight
98.0%
Voting Authority Distribution
Total shares with voting rights: 2.08M
Sole
Full voting authority
2.08M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole14
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings14
Rows:
BERKSHIRE HATHAWAY INC DEL
SOLEShares140.60K
TypeSH
Market value$74.9K
25.50%
Sole
140.60K
Shared
0.00
None
0.00
AMERICAN EXPRESS CO
SOLEShares210K
TypeSH
Market value$56.5K
19.24%
Sole
210K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares65.75K
TypeSH
Market value$36.0K
12.27%
Sole
65.75K
Shared
0.00
None
0.00
BANK AMERICA CORP
SOLEShares767.85K
TypeSH
Market value$32.0K
10.91%
Sole
767.85K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares30.00
TypeSH
Market value$24.0K
8.16%
Sole
30.00
Shared
0.00
None
0.00
FERRARI N V
SOLEShares60K
TypeSH
Market value$23.5K
8.01%
Sole
80K
Shared
0.00
None
0.00
MICRON TECHNOLOGY INC
SOLEShares200K
TypeSH
Market value$17.4K
5.92%
Sole
200K
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares27K
TypeSH
Market value$12.6K
4.28%
Sole
27K
Shared
0.00
None
0.00
ALIBABA GROUP HLDG LTD
SOLEShares47.50K
TypeSH
Market value$6.3K
2.14%
Sole
47.50K
Shared
0.00
None
0.00
DAILY JOURNAL CORP
SOLEShares11.50K
TypeSH
Market value$4.6K
1.56%
Sole
11.50K
Shared
0.00
None
0.00
ALPHABET INC
SOLEShares16K
TypeSH
Market value$2.5K
0.84%
Sole
16K
Shared
0.00
None
0.00
SERITAGE GROWTH PPTYS
SOLEShares500K
TypeSH
Market value$1.6K
0.55%
Sole
500K
Shared
0.00
None
0.00
ALPHA METALLURGICAL RESOUR I
SOLEShares8K
TypeSH
Market value$1.0K
0.34%
Sole
8K
Shared
0.00
None
0.00
CORE NATURAL RESOURCES INC
SOLEShares8.10K
TypeSH
Market value$828.00
0.28%
Sole
8.10K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 140.60K | SH | $74.9K 25.50% | 140.60K | 0.00 | 0.00 |
AMERICAN EXPRESS COSOLE | COM | 210K | SH | $56.5K 19.24% | 210K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 65.75K | SH | $36.0K 12.27% | 65.75K | 0.00 | 0.00 |
BANK AMERICA CORPSOLE | COM | 767.85K | SH | $32.0K 10.91% | 767.85K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 30.00 | SH | $24.0K 8.16% | 30.00 | 0.00 | 0.00 |
FERRARI N VSOLE | COM | 60K | SH | $23.5K 8.01% | 80K | 0.00 | 0.00 |
MICRON TECHNOLOGY INCSOLE | COM | 200K | SH | $17.4K 5.92% | 200K | 0.00 | 0.00 |
MOODYS CORPSOLE | COM | 27K | SH | $12.6K 4.28% | 27K | 0.00 | 0.00 |
ALIBABA GROUP HLDG LTDSOLE | SPONSORED ADS | 47.50K | SH | $6.3K 2.14% | 47.50K | 0.00 | 0.00 |
DAILY JOURNAL CORPSOLE | COM | 11.50K | SH | $4.6K 1.56% | 11.50K | 0.00 | 0.00 |
ALPHABET INCSOLE | CAP STK CL A | 16K | SH | $2.5K 0.84% | 16K | 0.00 | 0.00 |
SERITAGE GROWTH PPTYSSOLE | CL A | 500K | SH | $1.6K 0.55% | 500K | 0.00 | 0.00 |
ALPHA METALLURGICAL RESOUR ISOLE | COM | 8K | SH | $1.0K 0.34% | 8K | 0.00 | 0.00 |
CORE NATURAL RESOURCES INCSOLE | COM SHS | 8.10K | SH | $828.00 0.28% | 8.10K | 0.00 | 0.00 |