Will These Be the Top Marijuana Stocks to Own in 2018?

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The marijuana market is growing rapidly and that's creating a lot of interest in owning marijuana stocks. However, investors need to pick what marijuana stocks to buy carefully. There's likely to be more losers in this industry than winners, and it could be a long time before any of these companies deliver consistent earnings per share.

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If you're wondering what marijuana stocks could be top stocks in 2018, you might want to consider the catalysts ahead for GW Pharmaceuticals (NASDAQ: GWPH), Canopy Growth (TSX: WEED)(NASDAQOTH: TWMJF), and Insys Therapeutics (NASDAQ: INSY).

Eyes on the finish line

Unlike marijuana companies that are selling medical marijuana at dispensaries in states with medical marijuana laws on the books, GW Pharmaceuticals is pursuing Food and Drug Administration approval of a marijuana-based drug for epilepsy, and a decision from the FDA could happen early in 2018.

The drug -- Epidiolex -- has already delivered impressive efficacy in late-stage clinical trials, and if the FDA gives it a blessing, Epidiolex can sidestep the risk that Washington, D.C., starts enforcing federal laws prohibiting marijuana sales in states that have legalized it.

Although an approval of Epidiolex isn't guaranteed, results from its trials shows that it reduces the number of monthly seizures in patients with rare forms of childhood-onset epilepsy by about 40%. What makes this finding particularly impressive is that patients participating in trials were heavily pre-treated, having received a median of four prior therapies.

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Clearly, Epidiolex offers important new hope to patients whose disease is inadequately controlled by currently available options. According to GW Pharmaceuticals, that's a big addressable market. There are 470,000 children with epilepsy in the U.S. alone, and one-third of epilepsy patients continue to endure seizures despite receiving treatment with existing medicines. Since epilepsy drugs can cost thousands of dollars per year, if Epidiolex is approved and it's priced similarly, it could generate annual sales into the nine figures.

While GW Pharmaceuticals hasn't filed for FDA approval of Epidiolex yet, management has said it's on track to file in the middle of 2017. That suggests a filing will happen soon. If the FDA awards Epidiolex a priority review, then a decision could come six months after the application is accepted by the FDA. Based on that timeline, Epidiolex could be commercially available by the middle of 2018, assuming manufacturing inspections go well and the Drug Enforcement Administration is quick to schedule it.

Going global

The U.S. marijuana market is getting bigger as more states pass pro-pot legislation, but it faces risks because federal laws still schedule marijuana as a Class 1 drug.

Rather than risk the Trump administration's crackdown of marijuana markets in America, it may be a better bet to look north of the border to Canada, where medical marijuana has been legal since 2001 and recreational marijuana could become legal soon.

The biggest marijuana stock in Canada is Canopy Growth, the well-funded marijuana producer behind the popular marijuana brand Tweed. Canopy Growth has over $100 million on its balance sheet, and it did $40 million in marijuana sales last fiscal year. It's using its deep pockets and cash flow to boost grow capacity, acquire smaller competitors, and establish itself as the go-to online marketplace for legal weed when recreational marijuana gets the green light in Canada.

As of now, the Canadian marijuana market is worth about $80 million per year, but analysts think it could grow to $5 billion once recreational marijuana markets are up and running. Undeniably, Canada offers Canopy Growth a big opportunity, but the company isn't relying solely on Canada to fuel future sales.

Last year, it acquired Medcann to gain access to Germany's emerging marijuana market, and in September, German regulators are expected to announce whether Canopy Growth will be awarded one of 10 licenses to grow marijuana within its borders. Canopy Growth also owns part of Bedrocan SA, giving it exposure to Brazil, and AusCann, allowing it access to Australia.

Currently, Canopy Growth's share price values the company at about $1.3 billion. Undeniably, that's a rich valuation for a company with only tens of millions of dollars in sales and no profits last year. However, if the recreational market in Canada (and elsewhere) leaps forward in 2018, shares could still head higher.

Getting back on track

It's been a rough go for Insys Therapeutics investors. The company's been under scrutiny ever since former executives were arrested on charges of illegally marketing its opioid spray Subsys for off-label use. A revolving door in the C-suite and ongoing investigations have done little to help the company stay focused on launching its marijuana-based drug, Syndros, and developing cannabidiol drugs like Epidiolex for tough-to-treat epilepsy.

The challenges have sent shares reeling, but Insys Therapeutics has a new CEO, and he's saying all the right things.

On the company's last quarterly conference call, management said it wants to resolve outstanding investigations, and now that it has DEA scheduling in hand for Syndros, it should begin marketing it soon. Furthermore, it appears ready to jump-start its drug research program for cannabidiol, a non-psychoactive chemical cannabinoid found in cannabis that's the active ingredient in Epidiolex.

It's anyone's guess when (or if) the company settles investigations, but investors would likely applaud news of that happening. It's also unclear how much of the market Syndros will capture, but the opportunity there is big enough to move the needle for investors, too. Syndros is an oral formulation of the THC-drug Marinol, and the generic Marinol market is worth about $200 million annually. 

Getting its marijuana research and development back up to speed could also be good news. In addition to researching CBD in epilepsy, it's evaluating CBD as a pain treatment alternative to opioids as well.

Overall, this is a beaten-down marijuana play with a lot of potential market-moving news in the coming year or two, and that could make it a top-performing marijuana stock in 2018. 

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Todd Campbell has no position in any stocks mentioned. His clients may have positions in the companies mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.