Warren Buffett Case Study Of Sanborn Map via CSInvesting
WEB’s mention and discussion of Sanborn Map as presented to his partners in his BLP letters. How did Buffett find this investment and how did he go about valuing it and unlocking value? Why was the market pricing Sanborn Map below what Buffett thought it was worth? Discuss.
From 1958 letter
Late in the year we were successful in finding a special situation where we could become the largest holder at an attractive price, so we sold our block of Commonwealth obtaining $80 per share although the quoted market was about 20% lower at the time.
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It is obvious that we could still be sitting with $50 stock patiently buying in dribs and drabs, and I would be quite happy with such a program although our performance relative to the market last year would have looked poor. The year when a situation such at Commonwealth results in a realized profit is, to a great extent, fortuitous. Thus, our performance for any single year has serious limitations as a basis for estimating long term results. However, I believe that a program of investing in such undervalued well protected securities offers the surest means of long term profits in securities.
I might mention that the buyer of the stock at $80 can expect to do quite well over the years. However, the relative undervaluation at $80 with an intrinsic value $135 is quite different from a price $50 with an intrinsic value of $125, and it seemed to me that our capital could better be employed in the situation which replaced it. This new situation is somewhat larger than Commonwealth and represents about 25% of the assets of the various partnerships. While the degree of undervaluation is no greater than in many other securities we own (or even than some) we are the largest stockholder and this has substantial advantages many times in determining the length of time required to correct the undervaluation. In this particular holding we are virtually assured of a performance better than that of the Dow-Jones for the period we hold it.
Last year (1958), I mentioned a new commitment which involved about 25% of assets of the various partnerships. Presently this investment is about 35% of assets. This is an unusually large percentage, but has been made for strong reasons. In effect, this company (Sanborn Map) is partially an investment trust owning some thirty or forty other securities of high quality. Our investment was made and is carried at a substantial discount from asset value based on market value of their securities and a conservative appraisal of the operating business.
Last year mention was made of an investment which accounted for a very high and unusual proportion (35%) of our net assets along with the comment that I had some hope this investment would be concluded in 1960. This hope materialized. The history of an investment of this magnitude may be of interest to you.
Sanborn Map Co. is engaged in the publication and continuous revision of extremely detailed maps of all cities of the United States. For example, the volumes mapping Omaha would weigh perhaps fifty pounds and provide minute details on each structure. The map would be revised by the paste-over method showing new construction, changed occupancy, new fire protection facilities, changed structural materials, etc. These revisions would be done approximately annually and a new map would be published every twenty or thirty years when further pasteovers became impractical. The cost of keeping the map revised to an Omaha customer would run around $100 per year.
This detailed information showing diameter of water mains underlying streets, location of fire hydrants, composition of roof, etc., was primarily of use to fire insurance companies. Their underwriting departments, located in a central office, could evaluate business by agents nationally. The theory was that a picture was worth a thousand words and such evaluation would decide whether the risk was properly rated, the degree of conflagration exposure in an area, advisable reinsurance procedure, etc. The bulk of Sanborn Map’s business was done with about thirty insurance companies although maps were also sold to customers outside the insurance industry such as public utilities, mortgage companies, and taxing authorities.
For seventy-five years the business operated in a more or less monopolistic manner, with profits realized in every year accompanied by almost complete immunity to recession and lack of need for any sales effort. In the earlier years of the business, the insurance industry became fearful that Sanborn Map’s profits would become too great and placed a number of prominent insurance men on Sanborn Map’s board of directors to act in a watch-dog capacity.
In the early 1950’s a competitive method of under-writing known as “carding” made inroads on Sanborn Map’s business and after-tax profits of the map business fell from an average annual level of over $500,000 in the late 1930’s to under $100,000 in 1958 and 1959. Considering the upward bias in the economy during this period, this amounted to an almost complete elimination of what had been sizable, stable earning power.
However, during the early 1930’s Sanborn Map had begun to accumulate an investment portfolio. There were no capital requirements to the business so that any retained earnings could be devoted to this project. Over a period of time, about $2.5 million was invested, roughly half in bonds and half in stocks. Thus, in the last decade particularly, the investment portfolio blossomed while the operating map business wilted.
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