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Interview

Bill Ackman's Biggest Loss of All-Time

20VC with Harry StebbingsBill Ackman, Harry Stebbings
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Significant Career Challenges and Resilience Strategies

  • Gotham Partners/Wind-down Event
    • Occurred five years prior to the 2008 credit crisis.
    • Triggered by authoring a white paper questioning the AAA credit rating of bond insurer MBIA.
    • Resulted in a cascade of regulatory and legal actions, including investigations by Eliot Spitzer and an SEC lawsuit.
    • Led to negative headlines and the eventual forced winding down of the firm, described by the speaker as a "fall from grace."
  • 2015–2017 Business Period
    • Identified as a major business challenge coinciding with the speaker ending a marriage.
    • Characterized as a "dark period" rather than a catastrophic failure.
  • Personal Recovery Methodology
    • Recommends specific physical pillars: adequate sleep, proper nutrition, and exercise to build muscle.
    • Advocates surrounding oneself with supportive individuals.
    • Emphasizes daily incremental progress in physical, mental, and business areas, which the speaker notes compounds at a high rate over 60 to 180 days.
    • Draws a parallel between navigating business failure and tennis: treating a lost set (defeat) as a blank slate to start the next match without being disrupted by the past.

Strategic Lessons from Past Failures

  • Structural Lessons from Gotham
    • Primary cause of wind-down: asset-liability mismatch between liquid public securities and illiquid private assets (venture capital, real estate) in an open-ended hedge fund structure.
    • Specific operational failure involved an MVIA intervention that held up a critical merger in court, which was eventually reversed too late.
  • Pershing Square Structural Shift
    • Founded to invest exclusively in liquid large-cap public companies to avoid previous asset-liability mismatches.
    • Speaker notes that many industry peers in recent years have suffered from the same structural issues, implying lessons from the Gotham experience were not broadly adopted by the industry.
  • Internal Review Philosophy
    • Focuses discussions on both realized losses and "missed opportunities" where the firm failed to capitalize due to lack of work or execution.
    • Considers missing a major opportunity (e.g., Google) as equally or more significant than a direct investment loss.

Investment Outcomes: Losses and Missed Opportunities

  • Netflix Position Loss
    • Established a ~$1 billion long position in Netflix following a 50% stock drop.
    • Exited the position after internal data from the subsequent quarter's results invalidated the investment thesis.
    • Resulted in a loss of approximately $400 million.
  • Successful but Under-sized Bets
    • COVID-19 Hedge: Held an early view on economic implications within one to two months; successfully profited but the speaker regrets not allocating sufficient capital.
    • Interest Rate Hedge: Predicted rate movements correctly and acted ahead of the curve.
      • Result: Generated $2.8 billion.
      • Regret: Believes a more aggressive stance could have yielded $10 billion; describes the failure as a lack of capital allocation behind a confident variant view rather than a prediction error.