Guy Spier - Aquamarine Capital Investment Strategy & Portfolio Analysis
As of Jun 30, 2022, the Aquamarine Capital portfolio managed by Guy Spier demonstrates a sophisticated investment approach with 0 positions and an average holding period of 0 quarters. The strategy focuses on sectors with a typical position size of 0.0% of the portfolio.
The portfolio's risk management approach includes a maximum position size of 0% and sector diversification of 0%, exemplified by the case study of BERKSHIRE HATHAWAY INC. DEL (BRK-B). This strategic framework provides insights into Guy Spier's investment philosophy, risk management practices, and long-term value creation approach.
Investment Strategy Metrics
Key metrics revealing investment style, risk management, and performance characteristics
| Metric | Value | Category | Description |
|---|---|---|---|
| Holding Period | 0 days | Style | Average duration positions are maintained |
| Position Count | 0 | Style | Number of active positions in portfolio |
| Position Size | 0.0% | Risk | Typical allocation per position |
| Win Rate | 0.0% | Performance | Percentage of profitable positions |
| Average Return | 0.0% | Performance | Mean return across positions |
| Sharpe Ratio | 0.00 | Performance | Return per unit of risk taken |
Investment Case Study: BERKSHIRE HATHAWAY INC. DEL (BRK-B)
12/31/2014 - 05/26/2026
Performance Metrics
Total Return: 0.00%
Holding Period: 4164 days
Max Position Size: $21,111.00
Position Weight: 13.98%
Key Events
Investment Thesis
Entry Context: Initial position established based on fundamental analysis
Sector Conditions: Favorable market conditions in the sector
- Market volatility
- Sector-specific risks
Key Learnings
- Position sizing is critical for portfolio management
- Important to monitor sector exposure