
Written by a model from the transcript; not yet reviewed.
This episode explores the harrowing medical emergency of the guest's daughter, Lucy, who suffered a brain hemorrhage from an arteriovenous malformation after 19 hours of pressure. The guest details the subsequent recovery, the launch of a new brain institute in New York, and how his career in real estate and investing uniquely positioned him to navigate these severe challenges. The conversation also covers the evolution of Pershing Square, public market versus venture investing, the impact of artificial intelligence on corporate disruption, and the strategic parallels between building a modern-day Berkshire Hathaway and managing real estate assets.
Bill Ackman explains how AI amplifies disruption risks and sets the context for the episode.
Ackman describes Lucy’s gradual recovery, the lessons learned, and his belief that adversity can lead to greater resilience.
Details of Lucy’s emergency treatment, the surgical procedure, and the critical 19‑hour window for brain pressure relief.
Ackman shares how family, friends, and daily routines have been pivotal in Lucy’s rehabilitation and his own work-life balance.
Ackman outlines Pershing Square’s governance, team stability, and investment process, emphasizing long‑term value and discipline.
Ackman explains why he has become more vocal on social media, the influence of his platform, and his commitment to free speech and policy impact.
He discusses how AI changes risk assessment, disrupts industries, and informs his investment decisions in both public and private markets.
He reflects on his experiences with short selling, the challenges of opposing powerful interests, and the personal costs involved.
Bill Ackman explains Pershing Square’s commitment to long‑term investing and the value of CEO communication.
Ackman discusses whether activists should hold shares for a set period and contrasts short‑term activism with long‑term stewardship.
He offers practical advice for average investors, emphasizing homework, dollar‑cost averaging, and the benefits of index funds.
Ackman recounts buying, selling, and rebuying Netflix, detailing how new information altered his thesis and led to a strategic exit and reentry.
A Near-Fatal Medical Emergencystory
The guest details how his daughter Lucy suffered an unruptured arteriovenous malformation that went undetected, leading to 19 hours of pressure on her brain before surgery.
Leveraging Career Skills for Familyinsight
The guest explains how his real estate background, architecture ties, and financial resources uniquely equipped him to acquire a building and establish a new neuroscience institute.
Evaluating Current Bubble Dynamicsinsight
The guest discusses the extreme valuations and FOMO driving private venture rounds in the artificial intelligence sector, warning of inevitable market resets.
Betting on Founders Over Ideasstory
Using Coupang's founder as an example, the guest explains why venture investing succeeds when backing resilient founders rather than fixed business models.
Why AI Misses Asymmetric Betsinsight
The guest argues that artificial intelligence analyzes past data and fails to generate the creative, out-of-the-box insights required for major asymmetric investments.
Transforming Howard Hughes into Berkshirestrategy
The guest outlines the strategy to turn Howard Hughes from a master-planned community real estate firm into an insurance-driven compounder similar to Berkshire Hathaway.
Investing in a Watch Companystory
The guest shares how a casual retail purchase led to acquiring control of British watch brand Bremont as a hobby investment.
“And what you need to do is you need to release the pressure on the brain as quickly as possible.”
“And the way you do that is you remove about 40% of the skull to allow the brain to expand beyond the skull.”
“The most important thing an investor has to do is assess the risk, I mean, the value of a business is the present value of the cash it generates over its life.”
“I think AI will enable the creation of many businesses that heretofore could not be created before.”
“We have a track record of success of investing in a company, being a long-term investor.”
“We designed our business around that. The unique thing about Pershing Square is, if you look at the various, we manage an offshore entity called Pershing Square Holdings.”
“I think his willingness to work for free, in effect, was a very helpful thing to the ethos around Berkshire.”
“I want the investors, obviously you can measure it, have a very attractive, life‑changing, make a life‑changing investment with us so that by the time they retire, they can, they can do the things they want to do.”
Bill Ackman is the founder and CEO of Pershing Square Capital Management, one of the most closely watched investment firms in the world. In this conversation, he breaks down how he tells the difference between real innovation from hype, what he looks for before making a billion-dollar investment, and why he sold Netflix—and later bought it back. He also shares the mistakes that reshaped his investment process and his plan to build a modern-day Berkshire Hathaway. Bill also opens up about something far more personal: his daughter Lucy’s sudden brain hemorrhage, the hours before surgery, and her ongoing recovery. He describes running his business from a hospital room and the institute he and his wife are building to help other families facing similar challenges. Enjoy! ----- Chapters: (00:00) Intro (00:53) The Night His Daughter Nearly Died (08:49) His Plan to Rethink Brain Recovery (16:15) Could Her Ring Have Raised the Alarm? (17:07) How He Holds It Together (23:17) How Bubbles Pull You In (23:49) Is Venture in a Bubble? (25:23) When Easy Money Runs Out (28:05) He Hated the Idea. He Invested. (30:05) Who Actually Profits From AI? (35:53) The Rules He Carved in Stone (39:15) The Trade He Won't Make Again (42:02) Why He Consults "Dr. Claude" (46:14) Waiting for a Cheaper Market? (48:20) Netflix: Why He Changed His Mind (51:36) Howard Hughes and The Assets Nobody Wanted (53:22) What If You Owned a City? (01:00:02) Berkshire's Most Overlooked Advantage (01:04:36) From Watch Buyer to Company Owner (01:09:42) How He Judges CEOs in an Hour (01:14:19) What's Left to Achieve at 60? ----- Follow Bill Ackman: X: https://x.com/BillAckman ----- Newsletter: The Brain Food newsletter delivers actionable insights and thoughtful ideas every Sunday. It takes 5 minutes to read, and it’s completely free. Learn more and sign up at fs.blog/newsletter ------ Follow Shane Parrish: X: https://x.com/shaneparrish Insta: https://www.instagram.com/farnamstreet/ LinkedIn: https://www.linkedin.com/in/shane-parrish-050a2183/ ----- Thank you to the sponsors for this episode: +Applovin: Launch your first AppLovin campaign and grow your business: https://applovin.com/shane +HeyGen is a message-first AI video platform that helps people and AI agents turn ideas into professional video in minutes. Try for free at https://www.heygen.com/tkp +Matic: the robot vacuum that does it all—grab yourself a year of free bags here. http://maticrobots.com/shaneparrish +LMNT: My go-to zero sugar electrolytes — get a free LMNT Sample Pack here: https://DrinkLMNT.com/TKP ----- + Members get the longer, extended version of this conversation, with additional content not included in the public release. Learn more: https://fs.blog/membership/ ----- Note: Shane and guests may hold positions in assets discussed in this episode. This podcast is not investment advice, and is intended for informational and entertainment purposes only. Nothing in this conversation should be considered investment advice, financial guidance, or a recommendation to buy or sell any security. Always do your own due diligence or consult with a qualified financial advisor before making investment decisions. Learn more about your ad choices. Visit megaphone.fm/adchoices
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