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I put 80% of my money in the S&P after a billionaire investor told me not to

2026-05-11 - 77 min - source - Read full transcript

Shaan Puri (host)Mohnish Pabrai

Key insights

Pabrai's default portfolio is not the S&P 500 but Berkshire Hathaway, used as a personal substitute index.

Told to imagine coaching someone with $10,000, Pabrai says the index (like the S&P) was 'overheated' as of 2025, so his Plan A default is to dollar-cost-average into Berkshire Class B shares instead, treating Buffett's own compounding machine as the passive baseline, then layer rare high-conviction bets on top.

value-investing

Only act on mismatches so extreme they need no model to see, not on ideas that require a spreadsheet to justify.

Pabrai's 'two-by-four' test: if the numbers don't hit you over the head (a stock at $15 against $25 of earnings and $80 of book value, or an 8% dividend funded by 0.5% borrowed yen) it's too complicated and should be passed on. He says needing Excel is itself 'an automatic pass' because it signals a thesis that doesn't actually hold up simply.

value-investing

Capturing an anomaly's first-order thesis without asking 'and then what' can mean giving up most of the return.

Pabrai bought Frontline at $3/share on a correct thesis that its liquidation value covered the downside, and tripled his money in 8 months exiting at $10. He never asked the second-order question of what happens once shipping supply can't expand for 3-4 years once demand recovers; the stock rose 80x over the following years while he captured only an 80% gain.

value-investing

Narrow and deep beats broad and shallow: real expertise comes from staying inside a tiny, fully mapped domain.

Pabrai's example is John Arrillaga, a billionaire who invested only in real estate within two miles of Stanford and could recite the full history of every building there, versus wandering into adjacent markets. Pabrai quotes Nick Sleep's line that 'the best investors are entrepreneurs who never sold,' citing Sam Walton (never left retail) and John Arrillaga as the pattern.

circle-of-competence

Wall Street systematically misprices the risk/uncertainty distinction, and that mispricing is the opportunity.

Steady, predictable cash-flow businesses like ADP get priced for euphoria because Wall Street rewards certainty, while genuinely low-risk but high-uncertainty situations like Frontline (whose downside was capped by non-recourse, per-ship debt and a liquid resale market for the ships) get 'taken out back and shot.' Pabrai frames the ideal setup as low risk plus high uncertainty equals high reward.

risk-vs-uncertainty

Most opportunities belong in the 'too hard' pile, and knowing that is itself the skill.

Buffett keeps a literal box on his desk for the 99%+ of ideas he can't handicap. Pabrai applied the same discipline to exit a Turkish Coca-Cola bottler once its parent's Russian joint venture was nationalized, and to pass entirely on Michael Burry's 2008 CDS trade even after Burry personally walked him through it, because he could not get his arms around it in the time available.

risk-vs-uncertainty

A 90-year investing runway compounds far more than the amount saved does.

At a 10% annual return, capital roughly doubles every 7 years (Rule of 72); Pabrai calculates that starting at 22 instead of 32 gives roughly 13 doublings, turning an initial $10,000 into about $8 million by the numbers alone, which is why he tells young listeners the length of the runway matters more than how much they start with.

compounding-and-patience

Avoiding leverage is what lets an average investor compound safely for decades; leverage is what forces good investors out at the worst moment.

Pabrai relays Buffett's line that spending less than you earn and using no leverage means 'you cannot help but get rich in a lifetime,' then tells the story of Rick Guerin, an original Buffett/Munger investing partner who used margin and was forced to sell his Berkshire Hathaway shares (bought at $40) during the 1973-74 crash, missing the compounding that took them to roughly $700,000 a share.

compounding-and-patience

A personality assessment revealed Pabrai is wired for single-player games, and ignoring that mismatch had been causing him real pain.

A 1999 industrial-psychology 360 review told Pabrai his traits are hard-coded from age five and unchangeable; his profile showed he thrives in solo, edge-based games like blackjack, bridge, and investing rather than team management. He says he was in genuine pain running his 170-person IT company because his job had become 'HR,' and the assessment gave him permission to exit and start Pabrai Funds instead.

self-knowledge-and-temperament

Philanthropy can be run as the same kind of math game as investing, judged purely on ROI.

Pabrai cloned a model that spends about $800 per poor Indian student on free IIT entrance-exam coaching; his Dakshana Foundation gets roughly 70% of its students admitted against a general 1.3% admit rate, moving families from about $60/month to $10,000+/month in five years. He frames most nonprofits' failure as never analyzing input versus output the way an investor would.

self-knowledge-and-temperament

Deliberately staying out of AI and macro is itself a circle-of-competence decision, not a blind spot.

Pabrai says he 'brings nothing to the party' on AI and macro and would 'get his head handed to him' trying to participate, despite believing AI is transformational, because he has no edge there. He applies the same logic retroactively to the 2008 financial crisis: he still would have been too skeptical to act on Burry's CDS trade even fully understanding it, so passing was correct given his own limits.

circle-of-competence

Even elite investors can watch history-changing trades unfold in front of them and still miss them.

Pabrai visited Michael Burry's office in early 2008, before the crisis, and Burry personally explained the coming CDS trade in detail; Pabrai says '80%, 90% of what he said went straight over my head' and he did nothing with the information, later watching Burry's trade become the subject of The Big Short.

risk-vs-uncertainty

Books referenced

Moody's Manual - Moody's Investors Service - The reference books young Warren Buffett read cover to cover, page by page, hunting for anomalies like Western Insurance trading at $15/share against $25/share of earnings and $80/share of book value.
Japan Company Handbook - Toyo Keizai - The Japanese equivalent of the Moody's Manual; Pabrai says it's how Buffett found five cheap Japanese trading companies paying 8% dividends, which he bought with yen borrowed at 0.5% for an effectively infinite return.

Media referenced

The Big Short - movie - Pabrai says Michael Burry is exactly like his on-screen portrayal; Pabrai visited Burry's office in early 2008 and got a real-time download on the coming CDS trade that went over his head.

Companies

Berkshire Hathaway - Pabrai's 'Plan A': the default vehicle he tells listeners to dollar-cost-average into instead of an 'overheated' S&P, treating it as his personal index.
Frontline - A VLCC shipping company Pabrai bought at $3/share during a rate collapse because its debt was non-recourse per ship and its liquidation value covered the downside; he tripled his money in 8 months but the stock went on to rise 80x.
ADP - Cited as the opposite of Frontline: a business with 50 years of steady, low-uncertainty growth that Wall Street prices for euphoria rather than opportunity.
Value Investors Club - A free, curated idea-sharing site Pabrai uses as a shortcut to Buffett's Moody's Manual method; members must submit two well-rated ideas a year to keep posting privileges.
Costco / Price Club - Sol Price founded Price Club, which became the template for both Sam's Club and Costco; Costco pays employees roughly 50% more than Walmart without hurting profitability.
Walmart - Sam Walton, described as a relentless cloner who copied ideas from Sears, Kmart, and Price Club rather than innovating, and personally measured aisle widths in competitors' stores.
HubSpot - Mid-episode sponsor read: a PDF distilling Pabrai's nine investing principles from the episode transcript.
Titan Industries - A branded-jewelry company in India that Rakesh Jhunjhunwala held for decades because it solved a trust-deficit problem in an unbranded gold market.
IndiGo - The Indian low-cost airline where Jhunjhunwala went from passive investor to founding a clone airline himself late in life; it holds roughly 70% domestic market share.
BJ21.com - A paid publication Pabrai used to find the blackjack table with the thinnest house edge on the planet (0.18%, at Vegas's El Cortez), which he exploited with a streak-based betting system.
Dakshana Foundation - Pabrai's philanthropy, cloned from another program, spending about $800 per student on free IIT entrance-exam coaching for poor Indian kids; roughly 70% of Dakshana students are admitted versus a 1.3% general admit rate.

Techniques and frameworks

Plan A / Plan B investing framework - Default 100% of new capital into Berkshire Hathaway (Plan A) as a passive compounding engine, then peel off 10-15% into rare, obvious anomalies (Plan B) when they appear, and return the proceeds to Plan A afterward.
Two-by-four anomaly test - Only act on ideas that 'hit you in the head with a two by four' - numbers so mismatched (cheap stock, high earnings, high book value) that no spreadsheet is needed to see the opportunity.
Circle of competence / know a lot about a little - Go inch-wide, mile-deep in a narrow domain (Pabrai cites John Arrillaga's real estate confined to two miles of Stanford) rather than spreading understanding thin across many industries.
Too hard pile - Buffett's physical box for the 99%+ of investment ideas that can't be handicapped; Pabrai applied it to exit a Turkish Coke bottler once Russia nationalized its parent's joint venture, and to pass on Michael Burry's 2008 CDS trade.
Risk vs. uncertainty mismatch - Wall Street conflates the two and overpays for certainty (ADP) while overpunishing uncertainty (Frontline); the best risk-adjusted bets combine low actual risk with high apparent uncertainty.
And then what? (second-order thinking) - Buffett's follow-up question after a first insight; Pabrai says he captured Frontline's first-order thesis (ships are undervalued) but missed the second-order one (rates would spike to $300k/day), leaving 80x on the table for an 80% gain.
Owner's manual / single-player game temperament - A 1999 industrial-psychology assessment told Pabrai his hard-wired traits favor single-player games (blackjack, investing) over team management, prompting him to exit his IT services firm and start Pabrai Funds.
Rule of 72 / long-runway compounding - At a 10% return a stake doubles roughly every 7 years; a 90-year runway (starting at 22 rather than 32) turns $10,000 into roughly $8 million, which is why starting early matters more than the amount saved.

Summary

Shaan Puri opens this second-round interview with Mohnish Pabrai on a simple framing device: if Pabrai were coaching someone with $10,000 who wanted to turn it into a million, what would he tell them to do? Pabrai's answer becomes the episode's spine: a "Plan A / Plan B" system where the default (Plan A) is dollar-cost-averaging into Berkshire Hathaway rather than an "overheated" S&P 500, compounding passively at whatever rate Buffett delivers, while watching for rare anomalies (Plan B) worth peeling off 10-15% of the portfolio to chase. He illustrates Plan B with his own Frontline shipping trade from the early 2000s: a VLCC tanker company whose stock collapsed to $3 on a rate crash, but whose debt was non-recourse per ship and whose liquidation value covered the downside. He tripled his money in eight months and felt clever, only to watch the stock rise 80x over the following years once shipping supply couldn't expand fast enough for the demand recovery. He uses it as a self-deprecating case study in first-order versus second-order thinking: he saw the cheap price but never asked Buffett's "and then what."

A large stretch of the conversation is a masterclass in Buffett's own research method, walked through with physical props: Pabrai brings out a 1953 Moody's Manual and a Japan Company Handbook, the reference books Buffett read cover to cover as a young man and later used to find Japanese trading companies paying 8% dividends that he bought with yen borrowed at 0.5%, generating what was effectively an infinite return. The throughline is Pabrai's "two-by-four" heuristic: only act when the numbers are so obviously mismatched that they don't require a spreadsheet to understand, because needing Excel is itself evidence the thesis is too fragile. He translates this into a modern shortcut, Value Investors Club, a free curated site where members must submit good ideas to keep posting, which he treats as a faster version of paging through Moody's.

The episode's clearest strategic thread is the risk-versus-uncertainty distinction. Pabrai argues Wall Street systematically overpays for certainty (he cites ADP's decades of steady growth) and overpunishes uncertainty (Frontline, or a Turkish Coca-Cola bottler he exited once its parent's Russian joint venture was nationalized), and that the real opportunity sits at the intersection of genuinely low risk and high apparent uncertainty. He pairs this with Buffett's literal "too hard" box, which absorbs over 99% of ideas that can't be handicapped in a few sentences to a ten-year-old, including, notably, Michael Burry's 2008 CDS trade, which Pabrai heard directly from Burry in his office months before the crash and still couldn't act on.

Two more personal threads round out the episode. Pabrai recounts a 1999 personality assessment that told him his temperament (hard-coded since age five, per the assessors) is built for single-player games like blackjack and investing rather than team management, explaining why running a 170-person IT services company had become genuinely painful, and giving him the framework to exit and start Pabrai Funds. He connects this directly to a story about getting banned from a Las Vegas casino for a non-counting blackjack system exploiting the thinnest house edge in the country (0.18% at the El Cortez), treating both blackjack and his philanthropy, the Dakshana Foundation, as the same kind of math game: Dakshana spends about $800 per student on free IIT test prep and gets roughly 70% of its students admitted against a 1.3% general rate, a return Pabrai says most nonprofits spending far more never come close to. The episode closes on compounding mechanics: at a 10% return, money doubles roughly every seven years, so a 90-year runway starting at 22 rather than 32 turns $10,000 into an estimated $8 million on math alone, and Pabrai reiterates that avoiding leverage (illustrated by Rick Guerin's forced sale of Berkshire shares during a 1970s margin call) is what lets ordinary, patient investors actually capture that runway.

Notable Quotes

"We don't need to know many things about many things. We need to know a lot about a little." - Mohnish Pabrai

"If you're even a slightly above average investor and you spend less than you earn and you use no leverage, you cannot help but get rich in a lifetime." - Mohnish Pabrai, quoting Warren Buffett

"If you need Excel, it's an automatic pass, because it means that there's something complicated there, which is not fitting in." - Mohnish Pabrai

"The best investors are entrepreneurs who never sold." - Mohnish Pabrai, quoting Nick Sleep

"I want to give my kids enough money for them to do anything they want, but not enough to do nothing." - Mohnish Pabrai, quoting Warren Buffett