Aquamarine Zurich AG quarter change: USA Stocks, Unchanged
In share positions in stocks (listed in the US), from the quarter ended 2026-03-31 to 2026-06-30, Aquamarine Zurich AG opened 0 positions, added to 0, reduced 0, sold out of 0 and left 6 unchanged. The largest increase in value was AXP (+$2,325); the largest decrease was MCO (+$450).
- AXP: Country of operation United States; Class COM; Shares 2026-03-31 65,000; Shares 2026-06-30 65,000.
- BRKB: Country of operation —; Class CL B NEW; Shares 2026-03-31 97,600; Shares 2026-06-30 97,600.
- DJCO: Country of operation United States; Class COM; Shares 2026-03-31 11,500; Shares 2026-06-30 11,500.
- RACE: Country of operation —; Class COM; Shares 2026-03-31 30,000; Shares 2026-06-30 30,000.
Two Form 13F-HR filings compared (SEC CIK 1953324): 2026-03-31 (filed 2026-04-17) and 2026-06-30 (filed 2026-07-10). Rows for the same security, class and put/call are added together. Value change is the filed value at each quarter end, so it includes the price move; share change is the position change.
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