Masters in Business with Bill Miller IV (March 20, 2026) Host: Barry Ritholtz, Bloomberg Radio

Episode Overview

In this episode, Barry Ritholtz interviews Bill Miller IV, Chief Investment Officer and Portfolio Manager at Miller Value Funds. The conversation explores Bill’s unique investment philosophy, how his experiences—from consulting to poker and working with his renowned father—have shaped his approach to both risk and valuation, and his perspectives on the market, AI, and Bitcoin. The discussion blends quantitative rigor, practical wisdom from decades in finance, and candid takes on capital allocation, value traps, and career development.

Key Discussion Points & Insights

1. Early Career and Influences (02:29 – 11:29)

• Academic Foundation & Early Plans
  • Bill didn’t have investing as his original career plan; loved baseball, learned important lessons from sports about teamwork and focus. (03:13)
  • “Sports teach you a lot about being on a team, about how to operate, how to internalize what you can and control what you can and not focus on the rest.” — Bill Miller IV (03:14)
• Path Through Consulting
  • Started at McKinsey after interning with his dad. Crucial advice: always keep options open (optionality). (04:23)
  • Consulting taught him client service and interpersonal nuance in finance, lessons he might not have gleaned immediately from an investing career. (05:51)
  • “One of the things I learned at McKinsey more than anywhere else would be the focus on client service and how to interact with people.” — Bill Miller IV (05:51)
  • Ken French (professor at Dartmouth): “How long does it take to know if a money manager is actually any good? ... Longer than any money manager's career.” — Referenced by Bill Miller IV (06:23)
• From Analysis to “Skin in the Game” & Poker’s Influence
  • Pivot to investing was driven by wanting to have equity in decisions—not just handing off analyses.
  • Analytical edge from poker and consulting influenced his investment approach. (07:09)

2. The Miller Family Dynamic & Lessons from Bill Miller III (08:20 – 10:25)

• Relentless Truth Seeking
  • Bill credits his father for instilling the drive to consume research, seek truth, and embrace “variant perception”—the gap between what is perceived and what might be true. (08:49)
  • “The bigger the gap, the more you want to place a bet.” — Bill Miller IV (08:52)
• Independence in “Family Business”
  • Enjoyed close mentorship but recognizes performance now hinges on his own decisions.
  • “The market doesn’t really care what he did or didn’t do... it’s on me to now take everything I’ve learned and run with it.” — Bill Miller IV (09:46)

3. Career Decisions, Optionality, and Advice for Young Professionals (11:09 – 14:45)

• Lessons from Baseball & Internships

  • Humorous reflection on not going into baseball ops, and seeing both sides now when fielding requests for opportunities at his firm.
  • “If you want to become a member of a team, you have to understand what the team needs and where you can genuinely help. And it may not always necessarily align with what you want to do.” — Bill Miller IV (12:36)

• Entrepreneurship as an Under-Appreciated Path

  • Suggests undergrads consider small-scale entrepreneurship as a practical, risk-adjusted way to success—not just tech startups.

4. Investment Philosophy: Flexible Value, Probabilistic Thinking & Bitcoin (17:20 – 21:05)

• Redefining Value
  • Advocates for a flexible definition of value—not just accounting figures. Recognizes top compounders rarely look cheap by standard metrics. (18:07)
  • “If it’s just based on accounting figures, you’re probably not going to do very well over the long run.” — Bill Miller IV (18:07)
• Approach to Growth Names & Bitcoin
  • Explains why market darlings like Amazon never appear cheap and why solely accounting-based definitions miss structurally superior businesses.
  • Passionate advocate for Bitcoin, views it as "a functionally superior technology to gold" and an emergent capital governance system. (19:10–21:05)

5. Responding to Bitcoin Skepticism & the Role of Trust in Money (21:25 – 30:02)

• Why Bitcoin?
  • Positions Bitcoin as a “capital denominator” distinct from fiat, which relies on political process and central bank control.
  • Stresses Bitcoin’s intrinsic energy-cost basis and resistance to government manipulation. (23:17)
• On Volatility and Perception
  • Addresses concerns about Bitcoin volatility relative to the US dollar and the prevalence of criminal uses (“Wild West” critique).
  • “We are the best house in a bad neighborhood... [in fiat]. If there’s now a form of currency…that has more stability of process and more certainty around property rights… I think it’s an education issue as much as anything else.” — Bill Miller IV (28:48)

6. Lessons from the Great Financial Crisis & Professional Development (30:02 – 31:39)

• Crisis as Crucible
  • Experiencing the financial crisis firsthand taught Bill the importance of maintaining reserves and keeping fixed costs low for long-term survival.
• Pursuing Both CFA and CMT
  • CFA (fundamentals) + CMT (technical analysis) provides dual lens: teaches how to “play your cards and play the other players.” Uses CMT lessons often to read investor behavior. (31:39–32:12)
  • “The CFA teaches you to play your cards on the poker table, CMT teaches you to play the other players at the poker table.” — Bill Miller IV (31:39)

7. The Investment Process: Idea Generation, Position Sizing, Avoiding Value Traps (32:47 – 36:33)

• Continuous Screening & Relative Judgment
  • Emphasis on constant research, comparing new ideas to the existing portfolio, using weightings to express conviction. (32:57)
  • “All of our torque is in our position sizing.” — Bill Miller IV (34:10)
• Avoiding Value Traps
  • Heeding market feedback through performance monitoring, not being wedded to losing positions, accepting that some “undervalued” assets stay that way. (34:50)
  • Recently exited Google: Accepted the investment had played out with shifting fundamentals in the AI era. (35:53)

8. Management Quality, Insider Activity & Alignment (38:12 – 40:49)

• Quantitative meets Qualitative
  • Fundamental value assessment is paired with a focus on management alignment and insider buying as indicators of future performance.
  • “Principal agent conflict is one of the biggest sources of value destruction you can possibly imagine.” — Bill Miller IV (38:40)
  • “If you can contextualize and say, okay, this CEO is really smart… he just puts a huge amount of personal capital in. That can be really good.” — Bill Miller IV (40:18)

9. Current Market Outlook: Value, Cyclicals, and Active Management (44:06 – 50:17)

• Market Cycle Parallels
  • Sees echoes of 1999: extreme market concentration, compelling relative value in small/mid-cap sectors, and signs of economic acceleration in the US. Predicts potential for a value resurgence. (44:06)
  • “If you look at the relative valuation discrepancies today between smid value and large growth, they’re right at the same sort of extremes that occurred in 1999.” — Bill Miller IV (44:06)
• Sector Bets: Energy & Financials
  • Overweight energy, citing “free option on global strife,” and utilities for long-term growth and stability. (46:47–48:20)
• Conviction-Based Portfolio Construction
  • High active share, concentrated portfolios, not afraid to diverge markedly from benchmarks. Accepts intermittent underperformance as the price for true outperformance. (48:50)
  • “The closer you are to the benchmark, the more likely you are to underperform it.” — Bill Miller IV (49:47)

10. Artificial Intelligence: Tool and Theme (50:17 – 53:10)

• All-In on AI as Process Enhancer
  • AI is used “all day, every day”—for research, process, and even personal decision support. (51:08)
  • “If you have an interpersonal issue that is weighing on you, sometimes you throw it into AI and you get a better answer than you could have gotten from asking your three closest friends…” — Bill Miller IV (51:08)
  • Uses ChatGPT, Gemini for Business, and Claude; sees their ability to expand coverage, answer questions, and save time as paradigm-shifting. (51:49)
• AI as Market Shaper
  • Discusses how lower cost of capital in the last cycle boosted growth stocks, but with rates up, value and capital-intensive sectors have a chance for resurgence. (53:54)

11. Macro Regimes: From Zero Rates to Fiscal Policy (53:54 – 57:22)

• Capital Having a Cost Again
  • Transition from zero/negative real rates (“capital had no opportunity cost”) to a world where capital costs force new priorities, potentially favoring value and capital-intensive sectors. (55:10–55:35)
• Inflation Targeting & Housing
  • Questions the 2% inflation target as too low for long-term financial health, especially given Americans’ reliance on home appreciation. (56:24, 57:14)

12. Closing Rapid-Fire: Mentors, Books, Habits, and Life Lessons (57:22 – 63:47)

• Mentors
  • Mr. Kinney, his dad’s business partner, exemplified kindness, work ethic, career reinvention at 50, and generosity. (57:38–58:17)
  • Notable lessons from Ken French on statistical significance and “never pay a load on a mutual fund.” (58:17)
• Recommended Books
  • Currently reading The Mattering Instinct by Rebecca Goldstein, recently finished Mel Robbins’ best-seller, and cites Marcus Aurelius’ Meditations. (59:41–60:49)
  • “Focus on what you can control and don’t let anything else get to you.” — Bill Miller IV on Mel Robbins (60:26)
• Entertainment
  • Rarely streams shows, prefers sports and standup. Loves tennis and has taken up golf, drawing investing analogies: “Golf—you get better … by narrowing your misses. That’s also true with investing.” (61:39–62:00)
• Advice for Young Professionals
  • “Investing is about optionality and creating more options for yourself down the road. And so anytime you can invest in yourself and create additional options is a good thing to do.” — Bill Miller IV (62:54)
• Biggest Investing Lesson
  • Endorses Morgan Housel’s The Psychology of Money as essential for anyone seeking lasting wealth—urges internalizing its behavioral wisdom. (63:20)

Notable Quotes

• “The bigger the gap [between perception and reality], the more you want to place a bet.” — Bill Miller IV (08:52)
• “The CFA teaches you to play your cards on the poker table, CMT teaches you to play the other players.” — Bill Miller IV (31:39)
• “The closer you are to the benchmark, the more likely you are to underperform it.” — Bill Miller IV (49:47)
• “Golf—you get better at golf by narrowing your misses. That’s also true with investing.” — Bill Miller IV (62:00)
• “Anytime you can invest in yourself and create additional options is a good thing to do.” — Bill Miller IV (62:54)

Timestamps for Key Segments

• Early Life, Education & Consulting: 02:29 – 07:00
• Father’s Influence & Variant Perception: 08:20 – 10:25
• Career Advice & Optionality: 11:09 – 14:45
• Investment Philosophy & Bitcoin: 17:20 – 21:05
• Responding to Bitcoin Skeptics: 21:25 – 30:02
• Lessons from 2008 Crisis: 30:02 – 31:39
• CFA, CMT, and Investment Process: 31:39 – 36:33
• Sector Bets, Market Outlook: 44:06 – 50:17
• AI: Tool and Thematic Shift: 50:17 – 53:10
• Interest Rate Regimes & Macro: 53:54 – 57:22
• Personal Habits, Mentors, Books: 57:22 – 63:47

Tone & Style

Bill Miller IV’s tone is thoughtful, analytical, and pragmatic. He balances quantitative rigor with recognition of qualitative factors, humility about mistakes, and a practical orientation toward opportunity and risk. Relatable anecdotes about sports, poker, and career missteps make abstract lessons tangible. There’s a thematic throughline of “optionality”—in investing, careers, and personal development.

Summary for New Listeners

This episode is essential for anyone interested in modern value investing, the intersection of technology and markets, and actionable advice for building a career in finance. Bill Miller IV offers clear, candid wisdom on defining value, managing risk, learning from mistakes, and adapting to changing regimes—always with an eye on both the numbers and human factors that drive markets.