Buffett before Berkshire: What his Partnership letters teach

Most people know Warren Buffett as the Oracle of Omaha, the billionaire with a knack for buying wonderful businesses at fair prices. But before Berkshire Hathaway, Buffett managed money through the Buffett Partnership Limited (BPL), a private investment partnership. His letters from that era are an unfiltered look into the making of an investment legend.

What makes these early writings remarkable is not just the clarity of thought but the consistency of principles that would guide him for decades. They are personal, plainspoken, and packed with insight. In this piece, the first part of our series on Buffett's letters, we explore a few of those foundational ideas. And yes, the man was wise well before he was rich.

The crowd isn't always right (1958, 1961)

Buffett never shied away from swimming against the tide. In 1958, he warned about the widespread belief in the "inevitability of profits" from stock investments. When everyone thinks it's easy money, trouble usually follows. Even undervalued stocks can get hammered when the crowd panics.

A few years later, in 1961, he added: "you will not be right simply because a large number of people momentarily agree with you." It's not about popularity. It's about being right and often, being right means standing alone.

Caution over euphoria (1959)

The 1959 letter was a quiet warning against the seductive pull of "New Era" thinking—the belief that the rules have changed and trees really do grow to the sky. Buffett would rather be too conservative and miss out on a little upside than get swept up in the hype and suffer permanent capital loss. The man has always been allergic to fads.

Measuring performance the right way (1960)

Buffett knew that investors love good news, but he urged his partners to focus on the long game. In 1960, he wrote that a year in which the Partnership was down 15 per cent while the Dow Jones (his benchmark) was down 30 per cent would be far better than a year in which both were up 20 per cent. The point? It's not the sequence of good and bad years that matters. What matters is consistent outperformance over time—beating par, not just keeping up.

When everyone's zigging, don't be afraid to zag (1965)

One of the most revealing letters is from 1965, where Buffett explained why he was willing to concentrate heavily in just a few ideas—sometimes putting 40 per cent of capital into a single stock. That was not recklessness. It was conviction, backed by "extremely high probability" that his analysis was correct and the downside minimal.

He wrote candidly about the trade-off between concentration and volatility. More diversification would smooth out returns year to year, but it would also water down the long-term gains. And Buffett had no interest in mediocrity.

In his words, "I am willing to give up quite a bit in terms of levelling of year-to-year results in order to achieve better overall long-term performance."

It's about what, not when (1966)

Buffett closed out the 1966 letter with a line that would go on to define his entire investing philosophy: "the course of the stock market will determine, to a great degree, when we will be right, but the accuracy of our analysis of the company will largely determine whether we will be right."

In other words, don't obsess over timing the market. Focus on the fundamentals. Analyse the business, compare it to the price, and let time do the rest. Success, he believed, comes not from predicting the next move but from understanding what you own.

Conclusion

These early letters reveal a Buffett who was already remarkably Buffett-like. He was not chasing fads. He was not playing the market. He was playing the game of business quietly, patiently, and with a razor-sharp focus on risk, value, and discipline.

It's easy to admire his billions. But the real lessons are in the mindset he cultivated long before the money came. In the next parts of this series, we will keep tracing how Buffett's thinking evolved and, in many ways, how it never really changed at all. Stay tuned.

Also read: Warren Buffett's 1983 letter on goodwill, moat and valuation

This article was originally published on August 06, 2024, and last updated on April 03, 2025.