Farnam Street · Vicky
articleprincipleBill Ackman: The Biggest Fight of His Life
24 September 2026Clarity & Focus
Source excerpt
About Farnam StreetBill 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 the difference between real innovation and hype, how he invests, and his plan to build a modern-day Berkshire Hathaway. But more importantly, Bill shows another side … The post Bill Ackman: The Biggest Fight of His Life appeared first on Farnam Street.
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Apollo layer
What a founder can learn
Founder takeaway
Separate genuine innovation from hype by testing whether an opportunity creates durable value, rather than relying on attention or novelty. Build around advantages that can compound over the long term.
Why it matters
Founders allocate scarce capital, time, and credibility under uncertainty. A disciplined filter helps prevent fashionable ideas from displacing opportunities with stronger fundamentals and enduring potential.
Relevant guides
Put it to work
For your biggest current investment, ask: What evidence shows this will create lasting customer and business value after the excitement fades?