From: lexfridman

 
Bill Ackman, a well-known activist investor, is widely regarded for his approach to investing, which is characterized by deep research, strategic activism, and a clear focus on long-term value creation. Throughout his career, Ackman has been involved in numerous high-profile investments and activist campaigns. This article outlines the key elements of his investment philosophy and strategy.
 
## Foundation of Investment Philosophy
 
Ackman's investment philosophy is significantly influenced by Benjamin Graham's book *Intelligent Investor*. This work stresses the importance of understanding the difference between price and value. According to Graham, "price is what you pay; value is what you get," and the stock market is there to serve investors by providing opportunities to purchase undervalued securities <a class="yt-timestamp" data-t="00:01:28">[00:01:28]</a>.
 
Ackman adheres to the principle of value investing. He believes that a company's worth is the present value of the cash it can generate over its lifetime. Investing, in his view, requires doing deep homework—understanding the business, its industry dynamics, management capability, and competitive position <a class="yt-timestamp" data-t="00:03:02">[00:03:02]</a>. 
 
## Key Components of Ackman's Strategy
 
Ackman's strategy is centered around a few core principles:
 
### 1. Focused Investments
Ackman typically invests in a relatively small number of companies at any given time. This approach allows for a detailed understanding of each business. As of now, he typically holds about eight companies in his portfolio <a class="yt-timestamp" data-t="00:40:08">[00:40:08]</a>.
 
### 2. Long-term Perspective
Ackman emphasizes the importance of the long-term view in investing. He believes that successful investing involves seeing beyond the current market conditions to the underlying value of a business <a class="yt-timestamp" data-t="00:37:46">[00:37:46]</a>.
 
### 3. Margin of Safety
Borrowing from Graham's concept, Ackman places great importance on the margin of safety. He strives to purchase shares at prices significantly below their intrinsic value, which can buffer against potential errors in judgment about a company's future prospects <a class="yt-timestamp" data-t="00:07:57">[00:07:57]</a>.
 
### 4. Activist Investing
Ackman's activist approach is geared towards unlocking shareholder value by improving corporate governance and strategic decision-making. He often seeks board representation to directly influence a company's direction, as exemplified in his investment in General Growth Properties and the campaign at Canadian Pacific Railway <a class="yt-timestamp" data-t="01:00:58">[01:00:58]</a> <a class="yt-timestamp" data-t="01:13:12">[01:13:12]</a>.
 
## Challenges and Missteps
 
Despite his successes, Ackman's career has not been without its challenges. One of his most publicized losses was his investment in Valeant Pharmaceuticals, which did not align with his typical principles and resulted in significant losses <a class="yt-timestamp" data-t="01:25:31">[01:25:31]</a>.
 
Ackman also acknowledges the emotional fortitude required in investing. Over time, he has developed a resilience to stock market volatility, fueled by thorough research and financial precaution, such as avoiding the use of leverage that could force premature sales <a class="yt-timestamp" data-t="00:38:55">[00:38:55]</a>.
 
## Public Discourse and Future Outlook
 
Ackman's active engagement extends to public discourse, often using platforms like Twitter (X) to express his views on various issues, including corporate strategy and governance <a class="yt-timestamp" data-t="00:00:19">[00:00:19]</a>. His future outlook remains focused on identifying undervalued opportunities and leading strategic initiatives that benefit shareholders over the long term.
 
Ackman's commitment to activism and deep-value investing continues to be a central theme in his investment activities, demonstrating the enduring relevance of his strategies in today's financial landscape.