5.15
price up icon8.19%   0.39
after-market After Hours: 5.15
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Atara Biotherapeutics Inc stock is traded at $5.15, with a volume of 185.13K. It is up +8.19% in the last 24 hours and up +5.75% over the past month. 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.
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Previous Close:
$4.76
Open:
$4.77
24h Volume:
185.13K
Relative Volume:
1.05
Market Cap:
$43.84M
Revenue:
$120.77M
Net Income/Loss:
$32.69M
P/E Ratio:
1.767
EPS:
2.9146
Net Cash Flow:
$-50.94M
1W Performance:
+11.96%
1M Performance:
+5.75%
6M Performance:
-56.43%
1Y Performance:
-32.86%
1-Day Range:
Value
$4.72
$5.26
1-Week Range:
Value
$4.63
$5.26
52-Week Range:
Value
$3.92
$19.14

Atara Biotherapeutics Inc Stock (ATRA) Company Profile

Name
Name
Atara Biotherapeutics Inc
Name
Phone
805-623-4211
Name
Address
1280 RANCHO CONEJO BLVD, THOUSAND OAKS, CA
Name
Employee
14
Name
Twitter
@Atarabio
Name
Next Earnings Date
2026-05-21
Name
Latest SEC Filings
Name
ATRA's Discussions on Twitter

Compare ATRA vs VRTX, REGN, ARGX, ALNY, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ATRA icon
ATRA
Atara Biotherapeutics Inc
5.15 40.52M 120.77M 32.69M -50.94M 2.9146
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
427.65 107.87B 12.32B 4.34B 3.19B 16.86
REGN icon
REGN
Regeneron Pharmaceuticals Inc
721.05 73.63B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
807.55 49.42B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
303.00 40.20B 3.71B 313.75M 465.38M 2.2571
ONC icon
ONC
Beone Medicines Ltd Adr
313.32 33.06B 5.36B 287.73M 924.18M 2.5229

Atara Biotherapeutics Inc Stock (ATRA) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-13-26 Downgrade Canaccord Genuity Buy → Hold
Nov-09-23 Downgrade Evercore ISI Outperform → In-line
Nov-09-23 Downgrade H.C. Wainwright Buy → Neutral
Nov-09-23 Downgrade Mizuho Buy → Neutral
Jul-20-22 Downgrade Citigroup Neutral → Sell
Jul-13-22 Downgrade JP Morgan Overweight → Neutral
Jul-13-22 Downgrade Stifel Buy → Hold
May-10-22 Downgrade Citigroup Buy → Neutral
May-13-21 Upgrade JP Morgan Neutral → Overweight
Dec-09-20 Downgrade Citigroup Buy → Neutral
Dec-08-20 Reiterated H.C. Wainwright Buy
Nov-10-20 Reiterated H.C. Wainwright Buy
Jun-30-20 Initiated Evercore ISI Outperform
Jun-15-20 Initiated H.C. Wainwright Buy
Apr-23-20 Upgrade Citigroup Neutral → Buy
Nov-08-19 Downgrade JP Morgan Overweight → Neutral
Sep-27-19 Downgrade Goldman Neutral → Sell
Sep-16-19 Downgrade Jefferies Buy → Hold
Jun-04-19 Upgrade Citigroup Sell → Neutral
May-30-19 Initiated ROTH Capital Buy
May-23-19 Initiated Stifel Buy
Jan-23-19 Initiated Mizuho Buy
Apr-10-18 Initiated JP Morgan Overweight
Mar-16-18 Initiated Guggenheim Neutral
Mar-05-18 Reiterated Jefferies Buy
Feb-28-18 Downgrade JMP Securities Mkt Outperform → Mkt Perform
Feb-15-18 Downgrade Citigroup Neutral → Sell
Jan-03-18 Upgrade Citigroup Sell → Neutral
Oct-06-17 Resumed Goldman Neutral
View All

Atara Biotherapeutics Inc Stock (ATRA) Latest News

pulisher
09:40 AM

ATRA DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026 - ChartMill

09:40 AM
pulisher
03:24 AM

ATRA DEADLINE NOTICE: Atara Biotherapeutics, Inc. Investors Encouraged to Contact Kirby McInerney LLP By May 22, 2026 - ACCESS Newswire

03:24 AM
pulisher
12:50 PM

ATRA CLASS ACTION REMINDERGet in Touch With Robbins LLP Today For Information About Your Against Atara Biotherapeutics, Inc. - ACCESS Newswire

12:50 PM
pulisher
May 05, 2026

Bragar Eagel & Squire, P.C. Reminds Atara Biotherapeutics, Inc. Investors They Have Until May 22nd to Seek Lead Plaintiff Role in Class Action Lawsuit - lincolnjournal.com

May 05, 2026
pulisher
May 05, 2026

Bragar Eagel & Squire, P.C. Reminds Atara Biotherapeutics, Inc. Investors They Have Until May 22nd to Seek Lead Plaintiff Role in Class Action Lawsuit - GlobeNewswire Inc.

May 05, 2026
pulisher
May 05, 2026

Pomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain Officers – ATRA - ChartMill

May 05, 2026
pulisher
May 05, 2026

Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit - PR Newswire

May 05, 2026
pulisher
May 05, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Shareholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 05, 2026
pulisher
May 05, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm - GlobeNewswire

May 05, 2026
pulisher
May 05, 2026

Portnoy Law Firm Announces Class Action on Behalf of Atara Biotherapeutics, Inc. Investors - GlobeNewswire

May 05, 2026
pulisher
May 05, 2026

ATRA Q1'26 Earnings: EPS estimate is (0.33) USD - TradingView

May 05, 2026
pulisher
May 04, 2026

ROSEN, A RANKED AND LEADING LAW FIRM, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

May 04, 2026
pulisher
May 04, 2026

Bronstein, Gewirtz & Grossman LLC Urges Atara - GlobeNewswire

May 04, 2026
pulisher
May 04, 2026

ATRA INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Shareholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 04, 2026
pulisher
May 03, 2026

ROSEN, Global Investor Counsel, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

May 03, 2026
pulisher
May 03, 2026

2026-05-03 | ATRA INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Stockholders Have Opportunity to Lead Class Action Lawsuit! | NDAQ:ATRA | Press Release - Stockhouse

May 03, 2026
pulisher
May 03, 2026

ROSEN, LEADING INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure ... - Black Hills Pioneer

May 03, 2026
pulisher
May 02, 2026

ROSEN, LEADING INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - GlobeNewswire Inc.

May 02, 2026
pulisher
May 02, 2026

ATRA SHAREHOLDER REMINDER: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026 - The Malaysian Reserve

May 02, 2026
pulisher
May 01, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, I - GuruFocus

May 01, 2026
pulisher
May 01, 2026

Atara Biotherapeutics Receives Nasdaq Non-Compliance Delisting Notice - TipRanks

May 01, 2026
pulisher
May 01, 2026

Atara Biotherapeutics Disclosed Failure to Satisfy a Continued Listing Rule or Standard - TradingView

May 01, 2026
pulisher
May 01, 2026

Atara Biotherapeutics (NASDAQ: ATRA) faces Nasdaq $50M market value compliance deadline - Stock Titan

May 01, 2026
pulisher
May 01, 2026

ATRA Deadline Alert: The Gross Law Firm Reminds Atara - GlobeNewswire

May 01, 2026
pulisher
May 01, 2026

Press releases provided by CNW - Techaeris

May 01, 2026
pulisher
Apr 30, 2026

Pomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain OfficersATRA - ChartMill

Apr 30, 2026
pulisher
Apr 30, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Investors Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

Apr 30, 2026
pulisher
Apr 29, 2026

ATRA INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Investors Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

Apr 29, 2026
pulisher
Apr 29, 2026

Pomerantz LLP Files Investor Lawsuit Against Atara Biotherapeutics, Inc. – ATRA - ACCESS Newswire

Apr 29, 2026
pulisher
Apr 29, 2026

ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

Apr 29, 2026
pulisher
Apr 29, 2026

Lost Money on Atara Biotherapeutics, Inc.(ATRA)? Join Class Acti - GuruFocus

Apr 29, 2026
pulisher
Apr 29, 2026

Lost Money on Atara Biotherapeutics, Inc.(ATRA)? Join Class Action Suit Seeking RecoveryContact Levi & Korsinsky - Morningstar

Apr 29, 2026
pulisher
Apr 29, 2026

ATRA Stock Price, Quote & Chart | ATARA BIOTHERAPEUTICS INC (NASDAQ:ATRA) - ChartMill

Apr 29, 2026
pulisher
Apr 28, 2026

ROSEN, A GLOBAL AND LEADING LAW FIRM, Encourages Atara - GlobeNewswire

Apr 28, 2026
pulisher
Apr 28, 2026

Bragar Eagel & Squire, P.C. Reminds Atara Biotherapeutics, - GlobeNewswire

Apr 28, 2026
pulisher
Apr 28, 2026

The Gross Law Firm Reminds Shareholders of a Lead Plaintiff Dead - GuruFocus

Apr 28, 2026
pulisher
Apr 28, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Stockholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

Apr 28, 2026
pulisher
Apr 28, 2026

Deadline Alert: Atara Biotherapeutics, Inc. (ATRA) - GlobeNewswire

Apr 28, 2026
pulisher
Apr 28, 2026

The Gross Law Firm Reminds Shareholders of a Lead Plaintiff Deadline of May 22, 2026 in Atara Biotherapeutics, Inc. LawsuitATRA - Barchart

Apr 28, 2026
pulisher
Apr 28, 2026

Lead Plaintiff Deadlines in Shareholder Class Action - GlobeNewswire

Apr 28, 2026
pulisher
Apr 28, 2026

2026-04-28 | ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Stockholders with Losses Have Opportunity to Lead Class Action Lawsuit! | NDAQ:ATRA | Press Release - Stockhouse

Apr 28, 2026
pulisher
Apr 27, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Shareholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

Apr 27, 2026
pulisher
Apr 27, 2026

Shareholders that lost money on Atara Biotherapeutics, - GlobeNewswire

Apr 27, 2026
pulisher
Apr 27, 2026

ROSEN, TOP RANKED GLOBAL COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

Apr 27, 2026
pulisher
Apr 27, 2026

2026-04-27 | ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Shareholders with Losses Have Opportunity to Lead Class Action Lawsuit! | NDAQ:ATRA | Press Release - Stockhouse

Apr 27, 2026
pulisher
Apr 26, 2026

ATRA INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Stockholders with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

Apr 26, 2026
pulisher
Apr 26, 2026

ROSEN, NATIONAL INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

Apr 26, 2026
pulisher
Apr 26, 2026

ROSEN, A RANKED AND LEADING LAW FIRM, Encourages Atara Biotherapeutics, Inc. Investors with ... - Black Hills Pioneer

Apr 26, 2026
pulisher
Apr 25, 2026

ROSEN, A RANKED AND LEADING LAW FIRM, Encourages Atara Biotherapeutics, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class ActionATRA - Scott Coop

Apr 25, 2026
pulisher
Apr 25, 2026

ROSEN, LEADING INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class ActionATRA - ACCESS Newswire

Apr 25, 2026
pulisher
Apr 24, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit - WFMZ.com

Apr 24, 2026

Atara Biotherapeutics Inc Stock (ATRA) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$28.82
price up icon 1.77%
$50.72
price up icon 0.56%
$95.26
price down icon 0.25%
$137.09
price down icon 1.69%
$151.07
price up icon 2.62%
ONC ONC
$313.32
price up icon 5.32%
Cap:     |  Volume (24h):