Would you have found Berkshire Hathaway in 1975?

Probably not, from the performance charts.

John Rekenthaler 13 August, 2018 | 5:00PM
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If you had purchased US$1,000 worth of  Berkshire Hathaway (BRK.A) stock in 1975, that position would be worth US$7.5 million today. This got me thinking: How did BRK's equity appear at that time?

Warren Buffett gained control of BRK in May 1965. The chart below depicts the value of a US$10,000 investment in BRK over the next five calendar years, from 1966 through 1970. For comparison's sake I included the S&P 500 and the price change of a barrel of crude oil. (The latter two investments are theoretical: There were no index funds and oil barrels came with storage costs.) All figures are adjusted for inflation.

The S&P 500 was modestly ahead after two years, but then BRK gained 70% in 1968 and never looked back. It was more volatile than the index, to be sure, but volatile in the right direction. For their part, oil prices languished. Each year they gained slightly in nominal terms, but after inflation was considered they dropped. This was five straight years of (admittedly modest) losses.

Exhibit 1: The first five years: 1966-1970; real returns for Berkshire Hathaway, S&P 500 and oil

Source: Berkshire Hathaway, Morningstar Direct and InflationData.com

At that point, if forced to choose between the three options and given no more information than the past returns, most investors surely would have selected BRK. True, the company had only a five-year history under current management, and holding its stock was riskier than owning an index's basket, but the returns were high enough to overcome the objection. Crude oil, of course, could easily be ruled out.

Onto the seventies

Fast-forward through the next five years.

Boy, did things change. BRK began where it had left off, by appreciating 73% in 1971. Then came the collapse. After a slight gain in 1972, BRK dropped modestly the next year, shed 54% (!) of its value in 1974, and ended the period by losing once again. In real terms, that whippersnapper Warren Buffett turned $10,000 of January 1971 money into just under $7200. The Oracle of Omaha indeed! More like the Numbskull of Nebraska.

Exhibit 2: The Next Five Years: 1971-75; Real Returns for Berkshire Hathaway, S&P 500, and Oil

Source: Berkshire Hathaway, Morningstar Direct, and InflationData.com

The S&P 500 wasn't a whole lot better, but at least it finished above BRK, and with less (although still significant) turbulence. Meanwhile, crude oil was terrific. After two more years of coasting, it surged from 1973 through 1975, to turn a $10,000 hypothetical investment into almost $26,000. It completed the period worth more than the other two choices combined.

This brief tale is a contrarian's delight. The first period's winner became the next period's loser, while its loser turned into its winner. (The middle child, the S&P 500, remained as such.) In addition, the second chart directly addresses the initial question of how BRK's stock appeared to 1975's investors: dangerous. This company could lose money in a hurry--and did.

The full picture

To which it may (and should) be objected that 1975's buyers weren't limited to five years' worth of data. They would not only know what transpired over the previous half decade, as shown in the second chart, but what occurred during the first chart as well. They would have not been well served by making investment decisions based on each five-year period. Perhaps examining the full 10-year totals, by combining the two charts, would lead to better insight.

Exhibit 3: The full ten years: 1966-1975; real returns for Berkshire Hathaway, S&P 500 and oil

Source: Berkshire Hathaway, Morningstar Direct and InflationData.com

Not entirely. For the decade, BRK notched a modest real profit of just over 2% annually (30% cumulatively), while the S&P 500 lost money. Aggressive investors might have selected BRK rather than a market portfolio. On the other hand, BRK's shares had bounced around heavily, enough to make the S&P 500 the superior choice for risk-aware buyers.

The bottom line is, after 10 years of Buffett's management, BRK's stock-market performance suggested few hints of his genius. Yes, BRK had twice surged by more than 70% in a calendar year, but its best result among the eight remaining years was a 13% gain, and it had lost money on five of those occasions. Today BRK is regarded as the closest thing to an investment machine, appreciating year after year, decade after decade. The stock was not like that back in the day.

By the book

There was a clue for the observant, though: the company's book value. Investors of course can't purchase a company's book value; they must instead buy its publicly traded shares, in the expectation that over the long haul, the company's stock price will move in tandem with its book value. That has indeed occurred with BRK, which at its 50-year anniversary reported a 21.6% annual nominal gain in its stock price, and 19.4% growth in its book value. (The S&P 500 was at 9.9%).

Over shorter periods, however, the stock may disengage itself from the book price. That was certainly the case for BRK. This column's fourth and final chart repeats the previous effort, but with the addition of the real change in BRK's book value. This time, we have a winner! The purple line of book value clearly beats the three alternatives. It has by far the steadiest performance, and misses by a whisker of also posting the highest cumulative gain.

Exhibit 4: Berkshire's book value: 1966-1975; real returns for Berkshire Hathaway, Berkshire Hathaway's book value, S&P 500 and oil

Source: Berkshire Hathaway, Morningstar Direct, and InflationData.com

Wrapping up

Lessons from this exercise:

1) By all means, don't make decisions based on five-year returns.

You knew that already, but it's worth pointing out that many mutual fund trades continue to be driven by five-year results.

2) Ten-year totals are better, but still imperfect.

From 1966 through 1975, the most-successful investment manager in the public markets looked ordinary. Granted, that was his single worst 10-year stretch; every other early decade would have yielded different conclusions. But then again, Buffett has been the very best. Lesser managers would suffer more down periods.

3) Book-value growth judged Buffett's quality better than did share-price performance.

Unfortunately, we can't extend that insight, because Berkshire Hathaway isn't structured as other investment funds are. It calculates a book value, while they do not. (Net asset value has certain properties that are similar, but it is not a match.) Ah, well. Not every finding can be generalized.

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About Author

John Rekenthaler

John Rekenthaler  is Vice President of Research for Morningstar. Rekenthaler previously served as president of Morningstar Associates, LLC, a registered investment advisor and wholly owned subsidiary of Morningstar, Inc. During his tenure, he has also led the company’s retirement advice business, building it from a start-up operation to one of the largest independent advice and guidance providers in the retirement industry. He currently writes regular columns for Morningstar.

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