Bill Ackman lost approximately $4 billion between 2015 and 2017 primarily due to a disastrous, high-conviction investment in Valeant Pharmaceuticals International. Pershing Square Capital Management bought into Valeant at an average cost of $190 per share, but the stock crashed after the company's aggressive, acquisition-driven business model and drug pricing practices faced intense scrutiny.
He made over $1 billion from his Herbalife position, gradually selling his stake at a profit, while Bill lost $1 billion after five years of fighting a losing short.
A 2019 study by Harvard Business Review found either Vanguard, BlackRock or State Street is the largest listed owner of 88% of S&P 500 companies. There is a perception that a few select companies own a vast majority of the stock market.
Bill Ackman's lowest point: $4 billion dollar loss | Lex Fridman Podcast Clips
Is Elon Musk a Trump supporter?
In July 2024, Musk endorsed Donald Trump shortly after the attempted assassination in Pennsylvania, and it was reported that he pledged the commitment to a pro-Trump super PAC on a monthly basis, making Musk the single largest individual donor to Trump's campaign.
Who is Bill Ackman's wife, Neri Oxman – who was once linked to Brad Pitt? The former MIT professor was accused of plagiarism, met Jeffrey Epstein through her work, and married her spouse in 2019.
Not only did Ackman fund the roughly $1.1 billion purchase by liquidating interest rate hedges—which meant forgoing profits from rising interest rates, he acknowledged—he lost faith in Netflix in just three months and sold in April at a loss.
Herbalife is a publicly traded company owned by a broad base of shareholders and institutional investors. It is listed on the New York Stock Exchange under the ticker symbol HLF.
No, Bill Ackman doesn't own Chipotle outright, but his firm, Pershing Square, was a major, long-term investor, buying shares in 2016 and holding them as a significant part of its portfolio for years, even selling down a large portion in 2024-2025 as valuation grew high and his interest shifted.
(NYSE: HLF) has finalized a new employment agreement with Michael O. Johnson, securing his role as Chief Executive Officer through December 31, 2025. Effective February 6, 2025, the contract outlines a $1.28 million annual base salary, along with potential annual bonuses and significant equity incentives.
Bill Ackman's $4 billion disaster with Valeant Pharmaceuticals was one of the most dramatic investing failures in modern history. However, it didn't define his career. By confronting his mistakes head-on, recalibrating his strategy, and returning to his core expertise, Ackman was able to recover and rebuild.
Ackman's 2020 hedge wasn't just a big win; it was a case study in how hedging, timing, and conviction can come together to protect and grow capital in the face of chaos. His $27 million bet delivered $2.6 billion, a nearly 100x return, in just a few weeks.
By the end of Trump's presidential campaign, Musk had spent $277 million supporting Trump and allied Republicans, making the largest individual political donor of the 2024 election and the largest individual political donor since at least 2010 outside of candidates funding their own campaigns.
All About Elon Musk's Kids: Meet His 14 Children and Their 4 Moms. The Tesla founder shares children with Justine Wilson, Grimes, Shivon Zilis, and Ashley St. Clair. Elon Musk has welcomed 14 children with four different women since 2002.
Elon Musk is the wealthiest person in the world, with an estimated net worth of US$682 billion as of January 2026, according to the Bloomberg Billionaires Index, and $779 billion according to Forbes, primarily from his ownership stakes in SpaceX and Tesla.
What if I invested $1000 in Coca-Cola 30 years ago?
A $1,000 investment in Coca-Cola 30 years ago would have grown to around $9,030 today. KO data by YCharts. This is primarily not because of the stock, which would be worth around $4,270. The remaining $4,760 comes from cumulative dividend payments over the last 30 years.
Vanguard is owned by its funds, which are owned by Vanguard's fund shareholder clients. Investments in bonds are subject to interest rate, credit, and inflation risk.
