Stock Analysis

Celldex Therapeutics (CLDX): Assessing Valuation as Barzolvolimab Hype and Biotech Optimism Drive Renewed Investor Focus

Celldex Therapeutics (CLDX) has seen renewed interest as excitement builds over barzolvolimab's outlook in chronic urticaria, along with broader positive momentum across small and mid-cap biotech stocks.

See our latest analysis for Celldex Therapeutics.

Celldex's renewed buzz has helped power an impressive rebound, with a 15% share price return over the past 90 days highlighting the strength of recent momentum. While the 1-year total shareholder return remains negative at nearly -10%, investors are watching to see if the rally continues as pivotal trial results approach and sector enthusiasm remains high.

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With shares rebounding, a promising drug pipeline, and investor optimism at new highs, the key question now is whether Celldex Therapeutics is still undervalued or if the market has already priced in the company's future growth.

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Price-to-Book Ratio of 2.7x: Is it justified?

Celldex Therapeutics is currently trading at a price-to-book ratio of 2.7x, which suggests the market is placing a premium on its net assets compared to its US biotech peers. With the last close price at $26.47, the company appears slightly expensive when assessed by this metric.

The price-to-book ratio compares a company’s market value to its book value. Essentially, it shows how much investors are willing to pay for each dollar of net assets. For a biotech like Celldex, this ratio can reflect market expectations for future breakthroughs or pipeline success, as strong R&D prospects can justify higher multiples even in the absence of profits.

Celldex’s price-to-book ratio of 2.7x is just above the US Biotechs industry average of 2.5x but is notably below the peer group average of 3x. This puts it in a middle ground: more expensive than the broader industry, yet cheaper than its closest competitors. The current valuation signals that investors are optimistic, but not excessively so, about pipeline catalysts and potential long-term value.

See what the numbers say about this price — find out in our valuation breakdown.

Result: Price-to-Book Ratio of 2.7x (ABOUT RIGHT)

However, disappointing trial results or unexpected regulatory setbacks could quickly dampen investor optimism. This may shift sentiment even as recent momentum remains strong.

Find out about the key risks to this Celldex Therapeutics narrative.

Another View: SWS DCF Model Suggests a Contrasting Valuation

While the price-to-book ratio positions Celldex in a middle ground among biotechs, our DCF model presents a different perspective. According to the SWS DCF model, Celldex’s estimated fair value is $7.33 per share, which is significantly below its current market price of $26.47. This suggests the stock may be trading at a premium far above what fundamental cash flow analysis implies. However, does this disconnect signal excessive optimism, or could there be factors the model is not accounting for?

Look into how the SWS DCF model arrives at its fair value.

CLDX Discounted Cash Flow as at Oct 2025
CLDX Discounted Cash Flow as at Oct 2025

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Celldex Therapeutics for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover undervalued stocks based on their cash flows. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Build Your Own Celldex Therapeutics Narrative

For those who want to dig into the numbers and shape their own outlook, it takes just a few minutes to build your own perspective. Do it your way

A great starting point for your Celldex Therapeutics research is our analysis highlighting 1 key reward and 1 important warning sign that could impact your investment decision.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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About NasdaqCM:CLDX

Celldex Therapeutics

A biopharmaceutical company, engages in developing therapeutic antibodies for patients with severe inflammatory, allergic, autoimmune, and other diseases.

Excellent balance sheet with limited growth.

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