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Aquamarine Zurich AG

Superinvestor · Guy Spier
Location
ZURICH, V8
Portfolio Value
Small $121,679,539
Diversification
Moderately concentrated
Filing Date
Global Rank
#1,431 / 2,719 ▲ 3982
Top Industry
Insurance - Diversified 40.1%
3Y Alpha vs SPY
+1.8%
Period ended 28 days ago
Filed Jul 10, 2026 · 18d
16 quarters · since Sep 2022

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+79.6%
SPY
+67.5%
Annualised alpha
+2.8%
Max drawdown
−17.8%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

6 positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
40.1%
−0.9 pts
Top 5
94.3%
−0.8 pts
Top 10
100.0%
0.0 pts
HHI
2,440
Sep 2023 → Jun 2026 · range 1,484 – 2,502
Moderately concentrated−62

Portfolio Trend

16 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Financial Services 85.1% $103,597,154
Consumer Cyclical 9.2% $11,168,700
Technology 5.7% $6,913,685

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

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
6 positions · $121,679,539 total · as of Jun 30, 2026
Ticker Company Shares Value (USD) % of Portfolio History