CLDX Stock Summary and Trading Ideas (Celldex Therapeutics | NASDAQ:CLDX)

Celldex Therapeutics Inc is a biopharmaceutical firm focused on mast cell biology and the development of therapeutic antibodies. Its pipeline includes monoclonal and bispecific antibodies aimed at treating severe inflammatory, allergic, autoimmune, and other mast cell-mediated diseases. The company operates in a single operating and reportable segment in the business of development, manufacturing and commercialization of novel therapeutics for human health care.

Celldex Therapeutics trades on the NASDAQ stock market under the symbol CLDX.

As of August 28, 2026, CLDX stock price declined to $39.12 with 405,395 million shares trading.

CLDX has a beta of 1.24, meaning it tends to be more sensitive to market movements. CLDX has a correlation of 0.09 to the broad based SPY ETF.

CLDX has a market cap of $3.07 billion. This is considered a Mid Cap stock.

Last quarter Celldex Therapeutics reported $22,000 in Revenue and -$.94 earnings per share. This fell short of revenue expectation by $-1 million and exceeded earnings estimates by $.12.

In the last 3 years, CLDX traded as high as $53.18 and as low as $14.40.

The top ETF exchange traded funds that CLDX belongs to (by Net Assets): VTI, XBI, IWM, VXF, IWO.

CLDX has outperformed the market in the last year with a return of +74.8%, while the SPY ETF gained +19.7%. In the last 3 month period, CLDX beat the market returning +23.4%, while SPY returned +2.2%. However, in the most recent 2 weeks CLDX has underperformed the stock market by returning -6.7%, while SPY returned -0.9%.

CLDX support price is $39.35 and resistance is $41.57 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CLDX shares will trade within this expected range on the day.