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Atara Biotherapeutics, Inc. (ATRA)

Healthcare | Biotechnology | Thousand Oaks, United States | NasdaqGS
9.20 USD -0.05 (-0.541%) ⇩ (Aug. 28, 2026, 4 p.m. EDT)
After hours: 9.20

Short-term:★★⯪☆☆Long-term:★☆☆☆☆Dividends:☆☆☆☆☆
Hot Take | Aug. 22, 2026, 3:11 a.m. EDT

The immediate outlook remains neutral due to a lack of clear directional momentum, despite a recent price bounce that has pushed the stock above its 50-day average. However, the long-term investment case is severely compromised by a catastrophic multi-year decline; the asset has lost nearly 98% of its value over the last nine years, with six out of seven prior years seeing negative returns. While the most recent annual period shows a recovery, the persistent structural deterioration and massive capital burn—evidenced by negative free cash flow and operating cash flow—suggest the business model is struggling to sustain operations without significant dilution or external funding. Furthermore, the company has no history of paying dividends, offering no income buffer to offset the equity risk. The positive analyst sentiment and FDA-related news provide a potential catalyst, but they cannot yet overcome the deep fundamental rot and historical price trajectory.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
AutoARIMA ✓0.167904
AutoETS0.172880
MSTL0.194123
AutoTheta0.418292

Forecast horizon: 45 days | Selected: AutoARIMA

Forecast Reliability
Score 32%
H-stat 1.76
Ljung-Box p 0.000
Jarque-Bera p 0.116
Excess Kurtosis -0.45
Attribute Value
Sector Healthcare
Revenue per Share 0.44
Market Cap 92,346,928
Forward P/E 5.88
Beta 0.10
Profit Margins -269.42%
Website https://www.atarabio.com

Info Dump

Attribute Value
52 Week Change -0.2504052
Address1 1,280 Rancho Conejo Blvd
All Time High 1,639.0
All Time Low 3.92
Ask 11.69
Ask Size 2
Average Analyst Rating 1.5 - Strong Buy
Average Daily Volume10 Day 45,900
Average Daily Volume3 Month 70,195
Average Volume 70,195
Average Volume10Days 45,900
Beta 0.102
Bid 6.58
Bid Size 2
Book Value -3.918
City Thousand Oaks
Compensation As Of Epoch Date 1,767,139,200
Country United States
Crypto Tradeable 0
Currency USD
Current Price 9.2
Current Ratio 1.976
Custom Price Alert Confidence HIGH
Date Short Interest 1,786,665,600
Day High 9.21
Day Low 8.9
Display Name Atara Biotherapeutics
Earnings Timestamp 1,786,564,800
Earnings Timestamp End 1,794,513,600
Earnings Timestamp Start 1,794,513,600
Ebitda -11,058,000
Ebitda Margins -1.78528
Enterprise To Ebitda -8.352
Enterprise To Revenue 14.91
Enterprise Value 92,352,928
Eps Current Year -1.27
Eps Forward 1.565
Eps Trailing Twelve Months -1.51
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 9.2439
Fifty Day Average Change -0.04390049
Fifty Day Average Change Percent -0.0047491305
Fifty Two Week Change Percent -25.04052
Fifty Two Week High 19.145
Fifty Two Week High Change -9.945001
Fifty Two Week High Change Percent -0.5194568
Fifty Two Week Low 3.92
Fifty Two Week Low Change 5.2799997
Fifty Two Week Low Change Percent 1.3469387
Fifty Two Week Range 3.92 - 19.145
Financial Currency USD
First Trade Date Milliseconds 1,413,466,200,000
Float Shares 4,734,788
Forward Eps 1.565
Forward P E 5.878594
Free Cashflow -12,522,250
Full Exchange Name NasdaqGS
Full Time Employees 10
Fullday Change -0.0500002
Fullday Change Percent -0.540543
Fullday Price 9.2
Gmt Off Set Milliseconds -14,400,000
Gross Margins 0.75266
Gross Profits 4,662,000
Has Pre Post Market Data 1
Held Percent Insiders 0.1514
Held Percent Institutions 0.5767
Implied Shares Outstanding 10,037,710
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,718,841,600
Last Split Factor 1:25
Long Business Summary Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with cancer and autoimmune disease in the United States and internationally. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) with post-transplant lymphoproliferative disease, as well as other EBV-driven diseases. It also develops ATA3219, an allogeneic CAR T targeting CD19 intended to target B-cell malignancies and autoimmune diseases. The company has research collaboration agreements with Memorial Sloan Kettering Cancer Center, and Council of the Queensland Institute of Medical Research. Atara Biotherapeutics, Inc. was incorporated in 2012 and is headquartered in Thousand Oaks, California.
Long Name Atara Biotherapeutics, Inc.
Market us_market
Market Cap 92,346,928
Market State CLOSED
Max Age 86,400
Message Board Id finmb_248196818
Most Recent Quarter 1,782,777,600
Net Income To Common -16,688,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 93,350,703
Number Of Analyst Opinions 3
Open 9.18
Operating Cashflow -21,895,000
Operating Margins -6.2746
Payout Ratio 0.0
Phone 805 623 4211
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 9.2
Post Market Time 1,787,959,806
Previous Close 9.25
Price Eps Current Year -7.2440944
Price Hint 2
Price To Book -2.3481367
Price To Sales Trailing12 Months 14.909094
Profit Margins -2.69422
Quick Ratio 1.488
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key strong_buy
Recommendation Mean 1.5
Region US
Regular Market Change -0.0500002
Regular Market Change Percent -0.540543
Regular Market Day High 9.21
Regular Market Day Low 8.9
Regular Market Day Range 8.9 - 9.21
Regular Market Open 9.18
Regular Market Previous Close 9.25
Regular Market Price 9.2
Regular Market Time 1,787,947,201
Regular Market Volume 15,345
Return On Assets -0.24139
Revenue Growth -0.964
Revenue Per Share 0.44
Sand P52 Week Change 0.20504117
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Shares Outstanding 10,037,710
Shares Percent Shares Out 0.0475
Shares Short 477,268
Shares Short Previous Month Date 1,784,073,600
Shares Short Prior Month 577,635
Short Name Atara Biotherapeutics, Inc.
Short Percent Of Float 0.064899996
Short Ratio 7.6
Source Interval 15
State CA
Symbol ATRA
Target High Price 18.0
Target Low Price 10.0
Target Mean Price 13.66667
Target Median Price 13.0
Total Cash 9,873,000
Total Cash Per Share 0.984
Total Debt 9,879,000
Total Revenue 6,194,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps -1.51
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 8.926525
Two Hundred Day Average Change 0.2734747
Two Hundred Day Average Change Percent 0.030636188
Type Disp Equity
Volume 15,345
Website https://www.atarabio.com
Zip 91,320