Atara Biotherapeutics (STU:AT20) Common Stock: €0.00 Mil (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:AT20 Atara Biotherapeutics Inc STU:AT20
32 GF Score
Price €7.40
GF Value €1.35
! 6 Warning Signs
View Full Analysis

What is Atara Biotherapeutics Common Stock?

Atara Biotherapeutics STU:AT20 +4.23% 32 Common Stock is €0.00 Mil as of Mar. 2026. GuruFocus rates STU:AT20 with a GF Score™ of 32/100 and a GF Value™ of €1.35. The stock has 6 warning signs investors should review.

Atara Biotherapeutics's quarterly common stock stayed the same from Sep. 2025 (€0.00 Mil) to Dec. 2025 (€0.00 Mil) and stayed the same from Dec. 2025 (€0.00 Mil) to Mar. 2026 (€0.00 Mil).

Atara Biotherapeutics's annual common stock increased from Dec. 2023 (€0.00 Mil) to Dec. 2024 (€0.00 Mil) but then stayed the same from Dec. 2024 (€0.00 Mil) to Dec. 2025 (€0.00 Mil).

Atara Biotherapeutics Common Stock Historical Data

* Premium members only.

The historical data trend for Atara Biotherapeutics's Common Stock can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Atara Biotherapeutics Common Stock Chart

Atara Biotherapeutics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Common Stock
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.01 0.01 0.00 0.00 0.00

Atara Biotherapeutics Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Common Stock Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00
STU:AT20
32GF Score
Atara Biotherapeutics Inc STU:AT20
Common Stock is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Atara Biotherapeutics Common Stock Calculation

Common stock is listed on the Balance Sheet at the par value of the total shares outstanding of a company.

The par value of common stocks is meaningless. It is usually set at an absurdly low number.

Frequently Asked Questions Learn more about Common Stock →
What does a Common Stock of €0.00 Mil mean?
Atara Biotherapeutics (STU:AT20) has a Common Stock of €0.00 Mil as of Mar. 2026. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Atara Biotherapeutics and its competitors.
Is Atara Biotherapeutics' Common Stock too high?
Atara Biotherapeutics' current Common Stock is €0.00 Mil. Overall, Atara Biotherapeutics has a GF Score™ of 32/100, reflecting its overall financial health beyond just this single metric.
How does Atara Biotherapeutics' Common Stock compare to ANIX and BMEA?
Atara Biotherapeutics' Common Stock of €0.00 Mil can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Common Stock for a Biotechnology company?
A good Common Stock depends on the Biotechnology industry context. However, Common Stock should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Common Stock mean?
A high Common Stock can signal that a stock is expensive relative to its fundamentals. Common Stock is the par value of a company's shares outstanding, as listed on the balance sheet. View historical data on Atara Biotherapeutics and its competitors. Atara Biotherapeutics's current Common Stock is €0.00 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Atara Biotherapeutics stock overvalued right now?
Atara Biotherapeutics (STU:AT20) has a current Common Stock of €0.00 Mil. The stock's GF Value™ is €1.35, compared to a current price of €7.40 — trading 448.1% above its estimated fair value. The current Common Stock is €0.00 Mil. Atara Biotherapeutics' overall GF Score™ is 32/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Common Stock calculated?
Common Stock is calculated from a company's financial statements. For Atara Biotherapeutics (STU:AT20), the current Common Stock is €0.00 Mil as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Atara Biotherapeutics (STU:AT20) Overvalued in 2026?

Based on GuruFocus' analysis, Atara Biotherapeutics stock appears to be overvalued. The current stock price of €7.40 is trading 448.1% above its estimated GF Value™ of €1.35.

Key valuation signals for STU:AT20:

  • Common Stock: €0.00 Mil
  • GF Value™: €1.35 vs. price of €7.40 (448.1% above fair value)
  • GF Score™: 32/100 with 6 warning signs

No single metric tells the full story. See the STU:AT20 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Atara Biotherapeutics Business Description

Other Exchanges ATRA:USA0HIY:UKAT20:Germany
Address 1280 Rancho Conejo Boulevard, Suite 200, Thousand Oaks, CA, USA, 91320
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, ATA3431, and ATA3219.
32GF Score

Get the complete analysis for STU:AT20

Common Stock is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€7.40
Price
€1.35
GF Value