Why Celldex Therapeutics Stock Gained 10% in February

By George Budwell Markets Fool.com

What happened

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According to data fromS&P Global Market Intelligence, shares of the clinical-stage cancer specialist Celldex Therapeutics (NASDAQ: CLDX) gained 10% last month and did so without a discernible news event. Instead, the biotech's shares appear to have simply tracked higher along with most other names in the industry in February, evidenced by the notable uptick in the iShares Nasdaq Biotechnology ETF:

CLDX data by YCharts.

So what

Celldex's shares have been in the drink ever since the late-stage failure of its brain cancer vaccine candidate Rintega roughly a year ago. However, the biotech's poor performance over the past twelve months hasn't been entirely its fault.

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Image source: Getty Images.

In short, the market took a decidedly "risk-off' approach toward most clinical-stage biotechs over the past year, thanks to the political turmoil emanating from the U.S. Presidential election. So the market's sudden change of heart toward Celldex may indicate that this risk-adverse period is finally starting to fade away.

Now what

The company's near-term value proposition rests squarely on the shoulders of its experimental antibody-drug conjugateglembatumumabvedotin ("glemba" for short). Glemba is presently in a Phase 2b trial for triple negative metastatic breast cancer (TNBC) that's scheduled to wrap up by year's end. Celldex and its shareholders are hoping that these midstage results will be strong enough to warrant accelerated regulatory filings in both the U.S. and EU by perhaps early 2018.

While glemba could haul in some truly impressive sales as an approved treatment for TNBC, the fact of the matter is that the odds are still stacked heavily against a positive readout -- at least if history is any guide. Having said that, Celldex's shares may not fall all that much further in a worst case scenario. After all, the company does have several other high-value clinical assets under development, along with a reasonable cash runway for a developmental biotech.

Bottom line: Celldex offers an intriguing risk to reward ratio that could cause the market to bid up its shares in the coming months heading into glemba's top line data readout.

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George Budwell owns shares of iShares NASDAQ Biotechnology Index. The Motley Fool recommends Celldex Therapeutics. The Motley Fool has a disclosure policy.