Thomas Graham, Alan, Irving Kahns - Kahn Brothers Group Investment Strategy (Sep 30, 2025)


As of Sep 30, 2025, the Kahn Brothers Group portfolio managed by Thomas Graham, Alan, Irving Kahns demonstrates a sophisticated investment approach with 43 positions and an average holding period of 3304 quarters. The strategy focuses on Communication Services, Energy, Financial Services, Healthcare, Industrials, Real Estate, Technology, Utilities sectors with a typical position size of 4.0% of the portfolio.


The portfolio's risk management approach includes a maximum position size of 4% and sector diversification of 8%, exemplified by the case study of CITIGROUP (C). This strategic framework provides insights into Thomas Graham, Alan, Irving Kahns'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

MetricValueCategoryDescription
Holding Period9.1 yearsStyleAverage duration positions are maintained
Position Count43StyleNumber of active positions in portfolio
Position Size4.0%RiskTypical allocation per position
Win Rate46.3%PerformancePercentage of profitable positions
Average Return7.2%PerformanceMean return across positions
Sharpe Ratio0.07PerformanceReturn per unit of risk taken

Investment Case Study: CITIGROUP (C)

3/31/2022 - 12/26/2025

Performance Metrics

Total Return: 25.40%

Holding Period: 1366 days

Max Position Size: $75,852,750.00

Position Weight: 9.63%

Key Events

3/31/2022: ENTRY(972,147.00 shares) @ $53.40
6/30/2022: INCREASE(142,651.00 shares) @ $45.99
9/30/2022: INCREASE(47,993.00 shares) @ $41.67
12/31/2022: INCREASE(5,741.00 shares) @ $45.23
3/31/2023: INCREASE(49,021.00 shares) @ $46.89
6/30/2023: DECREASE(-10,747.00 shares) @ $46.04
9/30/2023: INCREASE(8,878.00 shares) @ $41.13
12/31/2023: DECREASE(-6,316.00 shares) @ $51.44
3/31/2024: DECREASE(-9,922.00 shares) @ $63.24
6/30/2024: DECREASE(-4,594.00 shares) @ $63.46
9/30/2024: DECREASE(-8,279.00 shares) @ $62.60
12/31/2024: DECREASE(-279,794.00 shares) @ $70.39
3/31/2025: DECREASE(-29,976.00 shares) @ $70.99

Investment Thesis

Entry Context: Initial position established based on fundamental analysis

Sector Conditions: Favorable market conditions in the sector

Risk Factors:
  • Market volatility
  • Sector-specific risks

Key Learnings

  • Position sizing is critical for portfolio management
  • Important to monitor sector exposure

Sector Allocations