ATRA Stock Summary and Trading Ideas (Atara Biotherapeutics | NASDAQ:ATRA)

Atara Biotherapeutics Inc operates in the United States healthcare sector. It focuses on developing transformative therapies for patients with serious diseases, including solid tumors, hematologic cancers, and autoimmune diseases. It operates and manages business as one operating and reportable segment which is the business of developing therapeutics. The company's product candidates comprise Tab-cel, ATA188, and ATA3219 (CAR T Platform).

Atara Biotherapeutics trades on the NASDAQ stock market under the symbol ATRA.

As of January 15, 2026, ATRA stock price climbed to $4.62 with 1,081,236 million shares trading.

ATRA has a beta of 0.24, meaning it tends to be less sensitive to market movements. ATRA has a correlation of 0.00 to the broad based SPY ETF.

ATRA has a market cap of $33.31 million. This is considered a Sub-Micro Cap stock.

Last quarter Atara Biotherapeutics reported $3 million in Revenue and -$.32 earnings per share. This beat revenue expectation by $1 million and exceeded earnings estimates by $.41.

In the last 3 years, ATRA traded as high as $141.00 and as low as $4.25.

The top ETF exchange traded funds that ATRA belongs to (by Net Assets): VTI, VXF, IWC, DFAC, DCOR.

ATRA has underperformed the market in the last year with a price return of -62.5% while the SPY ETF gained +20.2%. ATRA has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -68.4% and -74.5%, respectively, while the SPY returned +4.8% and +1.5%, respectively.

ATRA support price is $4.09 and resistance is $4.85 (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 ATRA shares will trade within this expected range on the day.