This article is an excerpt from the Shortform book guide to "You Can Be a Stock Market Genius" by Joel Greenblatt. Shortform has the world's best summaries and analyses of books you should be reading.
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When’s a good idea to invest in stub stocks? When a company recapitalizes, can you make a profit by investing?
Stub stocks are stocks revalued after a company’s recapitalization or restructuring. For example, if a company were to repurchase shares from its shareholders, the stub stocks would be the leftover, lower-priced stocks available for purchase afterward.
Learn more about how to invest in leveraged companies with stub stocks.
Investing in Leveraged Companies With Stub Stocks
In You Can Be a Stock Market Genius, hedge fund manager Joel Greenblatt discusses specialized opportunities that arise when companies are heavily leveraged—in other words, when they take on debt. In this article, we’ll discuss why highly leveraged stub stocks are desirable investments according to Greenblatt.
How to Profit From Stub Stocks
Stub stocks, Greenblatt clarifies, emerge whenever a company chooses to recapitalize—that is, when it pays shareholders either cash or other securities so it can repurchase large quantities of its own stock. Greenblatt argues that stub stocks provide a favorable investment opportunity because they amplify companies’ increases in earnings while limiting downside risk.
First, to see what a stub stock might look like, imagine that at the beginning of 2023, when trading at $85 per share, Amazon distributed $60 per share in bonds to its shareholders to repurchase Amazon stock. In theory, because Amazon returned $60 of its value to its shareholders, this should drop the value of Amazon stock to $25 per share ($85 minus $60). Thus, the remaining Amazon stock trading at $25 would be a stub stock.
(Shortform note: Although Greenblatt writes as if stub stocks are a separate investment opportunity from spinoffs, other experts often classify the parent companies of spinoffs as “stub stocks” once isolated from their subsidiaries. For instance, if Berkshire Hathaway decided to spin off all of its subsidiaries, then these experts would consider the remaining Berkshire Hathaway stock a stub stock.)
In practice, however, Greenblatt explains that the valuation of stub stocks is messier. For example, let’s suppose that Amazon was earning $5 per share while trading at $85, meaning its price-earnings ratio (the ratio of its share price to its earnings per share) was 17. If Amazon’s stub stock traded at $25 per share, that would mean Amazon’s new price-earnings ratio would be 5 ($25 divided by $5). In reality, such a large price-earnings ratio drop is unlikely. Rather, because Amazon would have to take on debt to distribute $60 bonds, its price-earnings ratio would suffer a smaller drop—say, from 17 to 12. Thus, the real share price of the stub stock would be $42 (because, as we’ll explain below, Amazon’s post-recap earnings per share would drop to $3.50, and $3.50 times 12 is $42).
(Shortform note: While price-earnings ratios are impacted by a company’s debt, they are also notoriously sensitive to external market conditions. For example, in an excessively optimistic bull market, popular stocks can reach price-earnings ratios north of 50. Alternatively, in a pessimistic bear market, price-earnings ratios can dip below 10.)
Why Stub Stocks Are Lucrative
Stub stocks create lucrative investing opportunities, Greenblatt explains, because they allow companies to distribute their earnings in a more tax-efficient manner, thus amplifying underlying increases in value. In the previous example, Amazon would have to pay interest on the bonds distributed to shareholders, and this interest is tax deductible. Thus, if Amazon’s earnings increase, it will pay proportionately less tax on these earnings because its interest payments cut into its taxable earnings. In turn, Amazon will lose less of its earnings to taxes, which will yield a significant share price increase assuming its price-earnings ratio remains stable.
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