Due Diligence

“The worth of a business is measured not by what has been put into it, but by what can be taken out of it.” – Benjamin Graham – The “father of value investing”

The quote, “The worth of a business is measured not by what has been put into it, but by what can be taken out of it,” is attributed to Benjamin Graham, a figure widely acknowledged as the “father of value investing”. This perspective reflects Graham’s lifelong focus on intrinsic value and his pivotal role in shaping modern investment philosophy.

Context and Significance of the Quote

This statement underscores Graham’s central insight: the value of a business does not rest in the sum of capital, effort, or resources invested, but in its potential to generate future cash flows and economic returns for shareholders. It rebuffs the superficial appeal to sunk costs or historical inputs and instead centres evaluation on what the business can practically yield for its owners—capturing a core tenet of value investing, where intrinsic value outweighs market sentiment or accounting measures. This approach has not only revolutionised equity analysis but has become the benchmark for rational, objective investment decision-making amidst market speculation and emotion.

About Benjamin Graham

Born in 1894 in London and emigrating to New York as a child, Benjamin Graham began his career in a tumultuous era for financial markets. Facing personal financial hardship after his father’s death, Graham still excelled academically and graduated from Columbia University in 1914, forgoing opportunities to teach in favour of a position on Wall Street.

His career was marked by the establishment of the Graham–Newman Corporation in 1926, an investment partnership that thrived through the Great Depression—demonstrating the resilience of his theories in adverse conditions. Graham’s most influential works, Security Analysis (1934, with David Dodd) and The Intelligent Investor (1949), articulated the discipline of value investing and codified concepts such as “intrinsic value,” “margin of safety”, and the distinction between investment and speculation.

Unusually, Graham placed great emphasis on independent thinking, emotional detachment, and systematic security analysis, encouraging investors to focus on underlying business fundamentals rather than market fluctuations. His professional legacy was cemented through his mentorship of legendary investors such as Warren Buffett, John Templeton, and Irving Kahn, and through the enduring influence of his teachings at Columbia Business School and elsewhere.

Leading Theorists in Value Investing and Company Valuation

Value investing as a discipline owes much to Graham but was refined and advanced by several influential theorists:

• David Dodd: Graham’s collaborator at Columbia, Dodd co-authored Security Analysis and helped develop the foundational precepts of value investing. Together, they formalised the empirical, research-based approach to identifying undervalued securities, prioritising intrinsic value over market price.
• Warren Buffett: Perhaps Graham’s most renowned protégé, Buffett adapted value investing by emphasising the durability of a business’s economic “moat,” management quality, and long-term compounding, steering the discipline toward higher-quality businesses and more qualitative evaluation.
• John Templeton: Known for global value investing, Templeton demonstrated the universality and adaptability of Graham’s ideas across different markets and economic conditions, focusing on contrarian analysis and deep value.
• Seth Klarman: In his book Margin of Safety, Klarman applied Graham’s strict risk-aversion and intrinsic value methodologies to distressed investing, advocating for patience, margin of safety, and scepticism.
• Irving Kahn and Mario Gabelli: Both disciples of Graham who applied his principles through various market cycles and inspired generations of analysts and fund managers, incorporating rigorous corporate valuation and fundamental research.

Other schools of thought in corporate valuation and investor returns—such as those developed by John Burr Williams and Aswath Damodaran—further developed discounted cash flow analysis and the quantitative assessment of future earnings power, building on the original insight that a business’s worth resides in its capacity to generate distributable cash over time.

Enduring Relevance

Graham’s philosophy remains at the core of every rigorous approach to corporate valuation. The quote is especially pertinent in contemporary valuation debates, where the temptation exists to focus on investment scale, novelty, or historical spend, rather than sustainable, extractable value. In every market era, Graham’s legacy is a call to refocus on long-term economic substance over short-term narratives—“not what has been put into it, but what can be taken out of it”.