The Knowledge Project with Shane Parrish
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) His daughter Lucy’s brain hemorrhage and recovery
(05:17) Plans for a brain rehabilitation and recovery institute
(11:54) Hope for recovery after strokes, brain injuries, and more
(15:25) How wearable health data could help identify medical emergencies
(16:18) Tools for maintaining mental health in a crisis
(17:17) Building a team and culture
(24:13) How Bill defines an investment bubble and the role of FOMO
(24:43) Bubble-like behavior in venture investing
(26:54) Why founders should raise capital carefully
(29:01) Weighing the founder more than the original idea
(30:57) The businesses that will win the AI-era
(39:12) Pershing Square’s investment checklist
(40:07) The personal and financial costs of short selling
(43:53) AI infrastructure, physical assets, and the value of shared human experiences
(48:25) Advice for individual investors considering index funds
(48:59) Starting young, investing for the long term, and the power of compounding
(50:27) Why Pershing Square sold Netflix
(53:55) How Howard Hughes emerged from the General Growth restructuring
(54:29) The long-term economics of master-planned communities
(1:02:14) The key ingredients behind Berkshire Hathaway’s long-term success
(1:06:48) Bremont watches
(1:11:48) Bill’s process for identifying and recruiting CEOs
—–
Follow Bill Ackman:
—–
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
🛍️ Products & Resources Mentioned
- 💊 SupplementLMNT Electrolytes — Mentioned as a sponsor providing zero sugar electrolytes.View on Amazon →
- ⚡ DeviceMatic Robot Vacuum — Mentioned as a sponsor for an all-in-one robot vacuum.View on Amazon →
- ⚡ DeviceBremont Watches — Specifically mentioned during the conversation.View on Amazon →

-
#220 Outliers: James Dyson — Against the Odds
How do you turn 5,127 failures into a multi-billion-dollar empire? James Dyson turned dust into possibility, failure into discovery, and frustration into revolution. Dyson didn’t just build a better vacuum; he redefined a whole industry.…
-
Logan Ury: The Dating Myths You Need to Stop Believing
Most people date the wrong way. They chase the spark, mistake attraction for compatibility, and expect their partners to read their minds. Then they wonder why relationships don’t last. Logan Ury thinks about dating differently.…
-
Logan Ury: The Dating Myths You Need to Stop Believing
Most people date the wrong way. They chase the spark, mistake attraction for compatibility, and expect their partners to read their minds. Then they wonder why relationships don’t last. Logan Ury thinks about dating differently.…
-
#219 Logan Ury: The Dating Myths You Need to Stop Believing
Most people date the wrong way. They chase the spark, mistake attraction for compatibility, and expect their partners to read their minds. Then they wonder why relationships don’t last. Logan Ury thinks about dating differently.…
-
Estée Lauder: A Success Story
Most people hear “Estée Lauder” and think of cosmetics—lipstick, perfume, face cream. But the real story isn’t just about makeup—it’s about a woman being an unstoppable force. Estée Lauder didn’t just build a beauty brand;…
-
#218 Outliers: Estée Lauder — A Success Story
Most people hear “Estée Lauder” and think of cosmetics—lipstick, perfume, face cream. But the real story isn’t just about makeup—it’s about a woman being an unstoppable force. Estée Lauder didn’t just build a beauty brand;…
-
Josh Wolfe: Human Advantage in the World of AI
While Silicon Valley chases unicorns, Josh Wolfe hunts for something far more elusive: scientific breakthroughs that could change civilization. As co-founder and managing partner of Lux Capital, he’s looking for the kind of science that…
-
#217 Josh Wolfe: Human Advantage in the World of AI
While Silicon Valley chases unicorns, Josh Wolfe hunts for something far more elusive: scientific breakthroughs that could change civilization. As co-founder and managing partner of Lux Capital, he’s looking for the kind of science that…
-
Andrew Mellon: America’s Secret Banker [Outliers]
He was the strangest titan America ever produced: a whisper-quiet banker who turned systematic thinking into a superpower, building an industrial empire while barely raising his voice above a murmur. Andrew Mellon’s story isn’t just…
-
#216 Outliers: Andrew Mellon – America’s Secret Banker
He was the strangest titan America ever produced: a whisper-quiet banker who turned systematic thinking into a superpower, building an industrial empire while barely raising his voice above a murmur. Andrew Mellon’s story isn’t just…
