Aquamarine Zurich Ag has filed its 13F form on January 15, 2026 for Q4 2025 where it was disclosed a total value porftolio of $148 Million distributed in 7 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Berkshire Hathaway Inc Class B with a value of $49.1M, American Express CO with a value of $24M, Mastercard Inc with a value of $22.8M, Berkshire Hathaway Inc with a value of $22.6M, and Moodys Corp with a value of $13.8M.

Examining the 13F form we can see an decrease of $170M in the current position value, from $317M to 148M.

Aquamarine Zurich Ag is based out at Zurich, V8

Below you can find more details about Aquamarine Zurich Ag portfolio as well as his latest detailed transactions.

Portfolio value $148 Million
Financial Services: $132 Million
Consumer Cyclical: $9.56 Million
Technology: $5.6 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History

Summary

  • Portfolio
  • No. of Stocks 7
  • Current Value $148 Million
  • Prior Value $317 Million
  • Filing
  • Period Q4 2025
  • Filing Date January 15, 2026
  • Form Type 13F-HR
  • Activity in Q4 2025
  • New Purchases 0 stocks
  • Additional Purchases 0 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 4 stocks
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