Episode summary

Buffett's Mistakes Had One Cause | The 100 Year Thinkers on the Hardest Part of Holding Forever

Excess Returns · · 1 hr 2 min · Hosts: Matt Zeigler · Guests: Chris Mayer, Robert Hagstrom

Buffett's Mistakes Had One Cause | The 100 Year Thinkers on the Hardest Part of Holding Forever – Excess Returns

Summary

Chris Mayer and Robert Hagstrom argue that the hardest part of long-term investing is not finding good businesses, but holding them through noise, volatility, and constant temptation to act. They center that idea on an original Buffett-partnership investor from Nantucket who kept her Berkshire Hathaway stake for decades, and on the broader lesson that individual investors can sometimes hold longer than professionals because they are not judged quarterly.

A great business, they say, is one that earns high returns on capital and can reinvest at those rates for a long time. The real question is not just whether a company is good today, but how long its competitive advantage can last. They stress that this requires separating price from value, resisting media-driven panic, and accepting that even excellent portfolios and excellent stocks can spend long stretches underperforming or going nowhere.

They also emphasize that management and culture matter, but the business comes first. Invisible moats, employee incentives, customer service metrics, and long-lived relationships can reveal durable franchises that standard screens miss. Portfolio construction matters too: start small, size positions humbly, and let winners run while accepting that some ideas will fail.

Key takeaways

  • Chris Mayer says the central problem is not finding a great business, but figuring out how long its competitive advantage will last.
  • Robert Hagstrom says price volatility and 24/7 financial media are "kryptonite" for investors who confuse price with value.
  • Chris Mayer says great businesses are those that can reinvest capital at high rates of return for years, turning 20% compounding into a sixfold cash-flow increase over a decade.
  • Robert Hagstrom says concentrated, low-turnover portfolios should expect underperformance in many months and quarters, so clients must be prepared for it.
  • Both speakers say culture and capital allocation can extend a moat, but the business itself comes before management.
  • Chris Mayer says portfolio managers should start small, learn as they go, and avoid making an idea too large before the thesis is proven.

Notable quotes

“She bought great business and just sort of stuck with it. And uh in some ways, the book is just kind of a unpacking of well, how do you do that”

— A speaker on Excess Returns

“what do you have to do to be able to hold a stock that long? And there are stories. I mean, this is not so outrageous”

— A speaker on Excess Returns

“the sirens are just the total media soaked environment that we're in that that is a great call to action and uh whereas a really great long-term investor is almost opposite that it's inaction”

— A speaker on Excess Returns at 9:44

“the biggest ch is, is it really going to last this long? That's to me that's that's the bugaboo”

— A speaker on Excess Returns at 26:25

“a great business is a business that can invest incremental returns of uh incremental capital at high rates of return”

— A speaker on Excess Returns at 26:25

How the episode opens

You're watching Excess Returns, the channel that makes complex investing ideas simple enough to actually use, where better questions lead to better decisions. I'm Matt Ziggler. This is the 100-year thinkers, joined today by hardly a hundred years in combined age between us, I am sure. Robert Hagstrom of the Warren Buffett way, CIO at Equity Compass. How you doing, Robert?

Good morning, Matt. How are you? I am fantastic because we also have Chris Mayer with us, our resident hundred bagger explainer, co-founder of Woodlock House Family Capital, and author of this wonderful new book, The Investors Odyssey. Isn't it beautiful? Does your shirt almost match the cover of this today?

It has, doesn't it? — I You color coordinated for us everything. Chris, — It is a nice cover. — Is a is a gorgeous cover. Did you time it for the movie coming out? Was that on this? No, was that accidental?

No inside information that you'll — No, I mean I knew the movie was coming out this year, but you know, I was working on this book I mean last over a year ago and what there was a new translation of the Odyssey that came out last year actually

By Daniel Mendelson and I love the Odyssey and so I was reading that so I had that in my head but I didn't know there was this movie but the book was supposed to be out earlier if everything went according to schedule but it worked out that it was released the exact month of the movie. So yeah,

Sometimes a guy gets a little bit lucky. Yeah, you might even get who knows maybe a few purchases — Big marketing budget. — That's right. Let him give let him give you the push and who knows may has anybody optioned this?

From the episode’s captions: roughly the first two minutes, lightly cleaned. Keep watching on YouTube →

Topics

  • buffett investing philosophy
  • long-term holding
  • investor psychology
  • compounding returns
  • durable competitive advantages

Companies and tickers mentioned

  • BRK-B
  • BRK-A
  • Berkshire Hathaway

Watch the episode

Watch “Buffett's Mistakes Had One Cause | The 100 Year Thinkers on the Hardest Part of Holding Forever” on YouTube

Summary, takeaways and quote selection by Octagon. Quotes are short excerpts; the full conversation is in the episode.

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