저자: 미상 · 외국인
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빌 애크먼과 퍼싱스퀘어의 행동주의 투자 전략을 소개하는 교육형 영상. 2020년 코로나 CDS 베팅으로 2,700만 달러를 26억 달러로 키운 사례 등 대표 성공 사례와 JC페니, 밸리언트, 허벌라이프 등 실패 사례를 다룸. 애크먼의 집중 투자 철학과 회복 탄력성, 소통의 중요성을 강조. 특정 자산의 향후 가격 방향에 대한 예측 발언은 없음.
다듬은 글
In March 2020, as the world was shutting down and global markets were in free fall, Bill Ackman went on CNBC and delivered one of the most emotional, alarming interviews in the history of financial television. He warned that the pandemic was going to be catastrophic. He said hell was coming. What he didn't say on camera was that he had already bet $27 million that he was right.
Three weeks later, he closed that bet for $2.6 billion. A profit of nearly 100 times his investment in less than a month. That's Bill Ackman. Brilliant, theatrical, controversial, and almost always doing something that nobody else in the room has the nerve to do. Welcome to Global Finance Watch. This is the story of Bill Ackman, Pershing Square Capital Management,
and the activist investing strategy that has made him one of the most captivating figures in modern finance. William Albert Ackman was born on May 11th, 1966, in Chappaqua, New York, into a wealthy family. His father ran a real estate financing firm, which gave Ackman an early exposure to the mechanics of business and investment.
He attended Harvard College, graduating magna laude, and then went on to Harvard Business School. Even by Harvard standards, he was known for his confidence, some would say arrogance, and for his willingness to stake out strong public positions and defend them aggressively. His first venture in finance was Gotham Partners, which he co-founded in 1992, right out of business school.
It was a research-driven value fund that made both public and private equity investments. For a while, it did well. Then it got entangled in complex real estate deals and legal disputes that eventually forced Ackman to wind it down in the early 2000s. That failure, though painful and public, appears to have sharpened rather than broken him.
In 2004, he launched Pershing Square Capital Management with $54 million. Some from his own money, some from a partner. Within two decades, he had turned it into one of the most closely watched hedge funds in the world with assets under management that have reached into the billions. Before we get into Ackman's specific trades, it helps to understand the strategy that defines everything he does.
Activist investing. Most investors buy a stake in a company and hope it goes up. Activist investors buy a stake and then try to make it go up by forcing change. An activist investor like Ackman typically takes a large, concentrated position in a company he believes is undervalued, mismanaged, or both.
Then, he makes noise. He might write an open letter to the board demanding changes. He might launch a proxy fight to replace board members or the CEO. He might go public with his case in the media or on social platforms. He might threaten a shareholder vote. The goal is to force management to take actions, cost cuts, spin-offs, leadership changes, strategic pivots that he believes will unlock hidden value in the stock.
It's not passive. It's aggressive, confrontational, and requires enormous conviction. You can't take a 10% stake in a company, demand the board fire the CEO, and then quietly exit if things get uncomfortable. Your credibility and your returns depend on being right and being willing to fight for it. For Ackman, it's a strategy that has produced some of the most dramatic moments in Wall Street history in both directions.
Let's start with the wins because there are some genuinely spectacular ones. Canadian Pacific Railway is the clearest example of activist investing working exactly as intended. When Ackman took a significant stake in the railway around 2011, Canadian Pacific was among the worst performing major railways in North America by almost every operational metric.
Ackman concluded the problem was management. He launched a very public, contentious proxy fight, a battle for board control, and ultimately forced out the CEO and replaced him with Hunter Harrison, one of the most respected operators in the industry. Under Harrison, Canadian Pacific's performance transformed dramatically.
Margins improved, the stock surged, and Pershing Square made an enormous return. It is held up in business schools as a textbook case of activist investing creating genuine value. Chipotle is another success story, though a quieter one. Ackman started building his position around 2016 when Chipotle was in the midst of a devastating food safety crisis.
The brand had been badly damaged. The stock was down sharply from its highs. Ackman bet that the underlying business was fundamentally strong and that the right management could turn it around. He was vocal about the need for new leadership and was credited with helping engineer the hiring of Brian Niccol as CEO in 2018, a move that is widely considered to have saved the the By the time Pershing Square exited most of its Chipotle position years later, the returns were exceptional.
And then, there's the COVID trade. The most dramatic single bet of Ackman's career. In late February 2020, Ackman became convinced that the pandemic was going to cause a severe, rapid economic shock that bond markets had not yet priced in. He spent $27 million buying credit default swaps, essentially insurance policies that pay out if corporate debt defaults spike.
As the pandemic hit and markets collapsed, those contracts exploded in value. On March 23rd, 2020, the same day the Federal Reserve announced unlimited quantitative easing and markets began to bottom, Ackman exited his hedge for $2.6 billion. dollars. $27 million in, $2.6 billion out, in under a month.
He then turned around and deployed that capital into beaten-down stocks, betting on recovery. By the end of 2020, Pershing Square posted a 70% gain. It remains one of the most remarkable one-year runs any major hedge fund has ever produced. Now, the losses, and Ackman has had some of the most spectacular and public losses in hedge fund history.
J.C. Penney is a story that has been studied and dissected extensively, mostly as a cautionary tale about the limits of activist investing. Ackman took a large stake in the struggling retailer around 2010 and championed a radical overhaul led by Ron Johnson, the retail visionary who had built Apple's store concept.
The idea was to reinvent J.C. Penney from the ground up. New pricing, new design, new identity. It failed completely. Customers hated it. The pricing changes alienated the core base. Sales collapsed. Johnson was fired. Ackman exited at a substantial loss and publicly acknowledged the mistakes. It was a humbling chapter.
Valeant Pharmaceuticals was more damaging both financially and reputationally. Ackman accumulated a massive position in the pharmaceutical company and became one of its most visible public champions. Then the story fell apart. Accounting irregularities surfaced. The company's business model, acquiring pharmaceutical companies and aggressively raising drug prices, came under congressional scrutiny.
The stock collapsed. Ackman eventually sold at a loss of well over $3 billion. Coming in the same period as the J.C. Penney exit, it led to serious questions about Pershing Square's future. And then there's Herbalife, which may be the most famous short in Ackman's career and certainly the most theatrical.
In 2012, Ackman took a billion-dollar short position against Herbalife. And then, in an extraordinary 3-hour public presentation, accused the company of being a pyramid scheme that was exploiting low-income consumers. He expected the stock to collapse. Instead, Carl Icahn, a fellow billionaire and long-time Ackman rival, took the other side of the trade publicly, bought a large long position in Herbalife,
and turned the whole thing into a highly public Wall Street feud that played out on CNBC for years. Ackman held the short for 6 years. Herbalife never collapsed the way he predicted. In 2018, he finally closed the position at a significant loss, estimated at around $1 billion. His thesis about the company's business model was arguably right in its broad strokes.
Herbalife later settled with the FTC over deceptive practices. But being right about the fundamentals and profiting from a short are two very different things. There's a dimension of Bill Ackman's career that has become impossible to separate from his investing. His public persona. Over the last several years, Ackman has transformed himself into one of the most prominent voices on X, the platform formerly known as Twitter.
With over 2 million followers, unlike most hedge fund managers who guard their views carefully for regulatory and competitive reasons, Ackman posts lengthy essay-style takes on finance, politics, and culture. He weighs in on university leadership, DEI policies, interest rates, Federal Reserve decisions, and anything else that captures his attention.
This combination of financial heft and media fluency has made him one of the most recognizable figures in business. He understands that in the modern information environment, narrative matters. Not just for markets, but for his own reputation and positioning. He tried to take Pershing Square public in 2024, initially aiming to raise $25 billion.
When investor appetite didn't match the ambition, he pulled the offering rather than accept dramatically lower terms. It was a telling moment. Ackman is willing to make big bets, but only on his own terms. His net worth as of 2025 stands at approximately $9.2 billion, more than double what it was in 2024, driven by strong fund performance.
So, what can investors learn from studying Bill Ackman? The first lesson is about conviction. Ackman doesn't make small bets. He concentrates capital in a handful of positions he believes in deeply, and he commits to them publicly. That concentration is both the source of his biggest wins and his most painful losses.
For most retail investors, that level of concentration is far too risky. But the underlying discipline, doing deep research and having genuine conviction before committing capital, is worth studying regardless of portfolio size. The second lesson is about the difference between being right and making money.
Ackman's Herbalife short illustrates this perfectly. His research on the company's business model was broadly validated, but the market didn't move the way he needed it to on the timeline he needed, and he lost a billion dollars being right. In investing, being right is only half the equation. Sizing, timing, and structure matter enormously.
The third lesson is about resilience. After the J.C. Penney and Valeant disasters, many analysts and journalists wrote Pershing Square off. Ackman came back with the COVID trade and posted 70% in a single year. Investing careers are long. Single periods of underperformance, even severe ones, don't define the final result.
The fourth lesson, and perhaps the most universally applicable, is that transparency and communication matter. Ackman's willingness to explain his thesis in public, to make his case to anyone who will listen, and to own his mistakes openly, has given him a credibility that pure performance alone wouldn't have built.
Investors who can articulate clearly why they own what they own tend to make better decisions and hold their positions more rationally under pressure. Bill Ackman is not a a comfortable figure. He is polarizing, outspoken, occasionally wrong in very expensive and public ways, and operating at a scale and with a style that most investors will never replicate.
But the story of Pershing Square is a genuinely instructive one. It's a story about what happens when deep research, concentrated conviction, and activist pressure converge at the right moment. And what happens when they don't. It's about the gap between being smart and being right. And it's about the kind of temperament it takes to make billion-dollar bets, lose some of them spectacularly, and come back for more.
Whether you admire him or not, Bill Ackman is one of the defining characters of modern finance. And understanding how he thinks is worth your time. If this video gave you a new perspective on hedge funds and activist investing, subscribe. We profile the most fascinating investors and ideas in global finance every week.
Drop a comment. What's your take on activist investing? Is it good for companies and shareholders, or just good for the activist? I'll see you in the next one.
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