Institutional
Aquamarine Zurich AG
CIK 0001953324
$144,091
Reported AUM
7
Positions
Q2 2026
Period
2026-07-10
Filed
Editorial summary
Summary for Aquamarine Zurich AG · Q2 2026 is not yet generated. It will appear here after the next nightly run.
Portfolio · Q2 2026
Top holdings
| # | Stock | Issuer | Price | Day % | 1Y Gr. | 5Y Gr. | Value | % of book | Δ shares (QoQ) | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DEL | — | — | — | — | $49K | 33.89% | — | HELD |
| 2 | BRK/A | BERKSHIRE HATHAWAY INC DEL | — | — | — | — | $22K | 15.59% | — | HELD |
| 3 | AXP | AMERICAN EXPRESS CO | $337.52 | 1.82% | 13.86% | 112.26% | $22K | 15.26% | — | HELD |
| 4 | MA | MASTERCARD INCORPORATED | $577.65 | 2.54% | 1.24% | 67.59% | $21K | 14.26% | — | HELD |
| 5 | MCO | MOODYS CORP | $482.26 | -0.20% | -2.79% | 32.16% | $12K | 8.49% | — | HELD |
| 6 | RACE | FERRARI N V | $397.73 | 3.12% | -10.57% | 84.59% | $11K | 7.71% | — | HELD |
| 7 | DJCO | DAILY JOURNAL CORP | $594.60 | -0.87% | 55.89% | 76.41% | $7K | 4.80% | — | HELD |
Source: SEC EDGAR · accession 0001953324-26-000003. 13F discloses long positions only — shorts, foreign equities, and options are excluded.