Research Lens Research Only

Warren Buffett — Quality Value Compounding

Durable Moat & Free Cash Flow Yield

Evaluates 10-year financial metrics, return on invested capital, and pricing power. Generates fundamental quality research reports rather than short-term momentum signals.

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Research criteria

1.ROE > 15% consistently over 10 years with low debt-to-equity
2.Durable pricing power, high switching costs, or brand moat
3.Free cash flow yield exceeds 10-year treasury yield + equity risk premium
4.Management team with proven capital allocation discipline

Review criteria

1.Structural moat erosion or competitive obsolescence
2.Valuation exceeds conservative intrinsic value by > 50%
3.Superior capital allocation alternative identified

Research, not order execution

Use this lens to study a company or market. It does not place orders or grant a strategy trading authority.

Long-term holding focus. Does not employ short-term stop losses.

Known Failure Modes & Limitations

Technological disruption eroding moat faster than DCF models capture
Value trap dynamics where low multiples reflect permanent impairment

Disclosure

Based on publicly described methodology. Not affiliated with or endorsed by Warren Buffett or Berkshire Hathaway.