There is a simple reason for which I won't buy iRobot Corporation (NASDAQ: IRBT) stock and it has nothing to do with the present quality of the business. Indeed, under a strong management team, the company has established a dominant position in a large, high-growth market: home-use robots (iRobot's flagship product is the Roomba vacuuming robot).
The reason isn't related to the stock's valuation, either: I don't have a view on whether or not the shares are over- or undervalued.
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Before I reveal my reason, I have a confession to make: I'm a value investor in the Warren Buffett mold. In other words, like the legendary investor and chairman of Berkshire Hathaway Inc., I'm interested in paying a fair (or unfairly low!) price for shares in high-quality businesses run by able, honest managers, and I aim to own the shares over protracted periods (a decade or longer, ideally). With regard to iRobot, the rub lies in the last stipulation.
iRobot's one-word disqualifier
iRobot's problem, for a value investor, can be summed up in a single word: unpredictability. For someone who is looking to put money to work over an extended time period, that characteristic is disqualifying.
To be clear: A degree of unpredictability is inherent in all stock investments -- that's the nature of the game. However, an emerging industry like consumer robotics contains more than its fair share. But don't take my word for it -- here's how iRobot itself qualified this risk in its latest annual report (emphasis mine):
My forecast for the next decade: Low visibility with a chance of disruption
Just consider the following questions, for example:
- How effectively would iRobot be able to defend its franchise against Apple Inc. or Amazon.com Inc., if either of these companies were to make a concerted play for the home-robot market?
- At present iRobot earns returns that are closer to those of Samsung Inc. than Apple. Once it matures, what is to prevent the home-robot market from sharing the same economics as the broader consumer electronics sector, which is brutally competitive? In other words, what sort of returns will consumer robot companies ultimately be vying for?
- How far away are we from humanoid robots in the home that can vacuum...and complete dozens of other domestic tasks? Would iRobot be able to successfully make the leap from one robot "form factor" to the next?
OK, that last point raises an issue that is probably beyond the scope of a 10-year investing horizon, but I just don't feel comfortable answering any of these questions with any reasonable degree of certainty.
True, there are other questions we can answer with some conviction:
- Will robots have an important impact in the workplace and the home over the next two decades?
Answer: Yes, that seems highly likely.
- Will the robot market grow much faster than the broader economy over the next two decades.
Answer: Yes, this is even more likely -- a near certainty, in fact.
High-impact, high-growth doesn't matter
Unfortunately, however enticing these questions appear, they're the wrong questions for investors who are pondering investing in this industry. To explain why, let me refer you to an excerpt from a brilliant article that Warren Buffett penned in Fortune in November 1999, "Mr. Buffett on the Stock Market" (the emphasis is mine):
Does iRobot have a competitive advantage? Between its brand and its intellectual property assets, I think it has established a nascent advantage, yes (iRobot was the fifth-ranked company in the 2016 "Patent Power" ranking by the Institute of Electronics and Electrical Engineers; Apple was No. 1). My problem is that I don't have much confidence in the durability or potential of that advantage, which is what prevents me from buying iRobot's stock.
Could I ever change my mind and consider buying iRobot stock? Yes. In fact, one thing that I found highly was a slide from a company presentation titled "Continue to Widen the Competitive Moat." That slide suggests not only that iRobot's management understand just how vital the notion of competitive advantage is, but that they are familiar with a metaphor ("economic moat," or simply "moat") that was coined by none other than the Oracle of Omaha himself, Warren Buffett.
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John Mackey, CEO of Whole Foods Market, an Amazon subsidiary, is a member of The Motley Fool's board of directors. Alex Dumortier, CFA has no position in any of the stocks mentioned. The Motley Fool owns shares of and recommends Amazon, Apple, Berkshire Hathaway (B shares), and iRobot. The Motley Fool has the following options: long January 2020 $150 calls on Apple and short January 2020 $155 calls on Apple. The Motley Fool has a disclosure policy.