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Is Intuitive Surgical a Buy?

By Brian Stoffel – Apr 22, 2019 at 4:18PM

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There's a lot to like about the company behind the groundbreaking daVinci robotic surgical system -- but there are important caveats to consider, too.

Intuitive Surgical's (ISRG 4.48%) systems were originally conceived of as tools to help military surgeons operate on soldiers from afar. While that particular application hasn't panned out, the company was the first to market with a robotic surgical system, and its daVinci machines have enjoyed a huge headstart on the competition.

But recently, bigger players have entered the fray. The stock fell in the wake of its latest earnings report, but it still trades at an expensive valuation. All of this is to frame the debate: Is Intuitive Surgical stock still a buy?

Female surgeon looking at camera with hand on chin

Image source: Getty Images

I won't bury the lede any deeper: I fervently believe the stock is a buy. And those aren't empty words, as shares of Intuitive Surgical account for 4% of my family's real-life holdings.

But my stance on the stock is not without caveats and nuances. To get a better idea for what I mean, let's look closer at the the bear and the bull arguments for Intuitive Surgical.

The argument against: high-priced and facing new competition

The biggest knock against investing in Intuitive Surgical right now is its sky-high stock price. Before last week, shares had advanced almost 10,000% over the previous decade. Even after the recent slide, the company still trades at a hefty premium:

  • Its price-to-earnings (non-GAAP) ratio currently stands at 44 -- about twice as expensive as the broader market average. 
  • Its price-to-free-cash-flow ratio is even higher, clocking in at 59.
  • Its PEG ratio -- which factors in expected growth rates -- sits at 3.7. Technically speaking, a stock with a PEG of 1.0 is "fairly valued," so this makes Intuitive look very expensive.

And then there's the competition. Medtronic is already a juggernaut in healthcare, and it is positioning a machine in direct competition with Intuitive's daVinci. Medtronic's acquisition of Mazor Robotics last year makes it an even more formidable competitor.

Johnson & Johnson is also making bold moves in the space. Previously, it announced a partnership with Alphabet to form Verb Surgical. This year, it acquired privately held robotic surgical company Auris Health.

Even if these companies don't steal market share from Intuitive Surgical overnight, its margins could be meaningfully compressed over time, as it will have to cut its prices to compete with new entrants.

The argument for: solid financials, a wide moat, and optionality

While competition is coming for Intuitive Surgical, there's something crucial to understand about this company: It benefits from both high switching costs and network effects. 

Let's unpack those advantages, starting with the switching costs. When a hospital decides to fork over $1.5 million for a new daVinci machine, it's a serious investment. Currently, there are over 5,000 such machines installed globally, and more than 40,000 doctors have devoted significant time to training on the daVinci platform. Switching to a competing product would not only mean all that money down the drain, but it would render all that training a waste of time. 

Furthermore, Intuitive benefits from a sneaky network effect. Each additional surgeon who uses the daVinci, and each patient they use it on, fortifies the overall platform. These slow-building effects are incredibly powerful

Here's how it works:

  • As more and more doctors use daVinci, a growing number of them will tinker with the machine to develop new applications for its use (read: new procedures.)
  • Intuitive will help doctors investigate these new procedures. Some will prove beneficial, and others will not.
  • Over time, the company is building up an extremely lengthy list of possible procedures the daVinci can be used to perform. 
  • If only 10% of those possible procedures become "hits" for daVinci, that will still be enough to move the needle on Intuitive's bottom line.

If those upsides aren't enough to convince you Intuitive deserves your cash, there's also this: Intuitive is increasingly becoming a model of financial fortitude. Currently, it's sitting on more than $5 billion in cash, it carries no long-term debt, and it has produced almost $1 billion in free cash flow (FCF) over the past year. The board also has authorized a $2 billion share buyback, which will boost the value of shares already held by investors.

And if you're worried about margins falling due to the arrival of competition, know that Intuitive has been investing aggressively in research and development (R&D) for the past two years to find and chase new opportunities.

My conclusion

If you're enthralled by this worthy investment, a word of caution: Don't buy your entire position all at once. The stock is still expensive. Competition may soon start putting pressure on Intuitive. I think it's far more prudent to buy a "starter position" now, using about one-third of the total amount you'd like to eventually allocate toward Intuitive.

Over time, you'll learn to keep cash reserves handy so you can take advantage of quick dips in the stock price, like the one we're seeing this week, to add to your position at a more attractive price. If the stock just keeps going up, you'll have some skin in the game at least. If not, you'll be glad you've got more to invest when the time is right.

Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool's board of directors. Brian Stoffel owns shares of Alphabet (A shares), Alphabet (C shares), and Intuitive Surgical. The Motley Fool owns shares of and recommends Alphabet (A shares), Alphabet (C shares), and Intuitive Surgical. The Motley Fool has a disclosure policy.

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