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Aquamarine Zurich AG

Superinvestor · Guy Spier
Location
ZURICH, V8
Portfolio Value
Micro $10,153,500
Diversification
Highly concentrated
Filing Date
Global Rank
#5,405 / 8,579 ▼ 45
Top Industry
Insurance - Diversified 41.1%
3Y Alpha vs SPY
+0.1%
Period ended 2 months ago
Filed Apr 17, 2026 · 56d
15 quarters · since Sep 2022

Portfolio Concentration

6 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
41.1%
+2.3 pts
Top 5
95.1%
−0.4 pts
Top 10
100.0%
0.0 pts
HHI
2,502
Jun 2023 → Mar 2026 · range 1,484 – 2,502
Highly concentrated+93

Portfolio Trend

15 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Financial Services 86.2% $98,196,270
Consumer Cyclical 8.9% $10,153,500
Technology 4.9% $5,546,910

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
No qualifying positions this quarter.

Trimmed

Positions the filer reduced
No qualifying positions this quarter.

New Positions

Positions the filer opened this quarter
No qualifying positions this quarter.

Sold Out

Positions the filer fully exited
No qualifying positions this quarter.

Portfolio Positions

Export CSV View 13F filing
1 positions · $10,153,500 total · Consumer Cyclical only · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio History