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Atara Biotherapeutics (ATRA) Stock Chart & Stock Price History

Atara Biotherapeutics logo
$12.36 +0.01 (+0.08%)
Closing price 08/28/2025 04:00 PM Eastern
Extended Trading
$12.86 +0.50 (+4.05%)
As of 04:05 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Atara Biotherapeutics Stock Price Performance

The Atara Biotherapeutics (ATRA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 75.07%, with a year-to-date return of -7.14%. In the past month, the stock has increased 5.37%, reflecting recent market activity.

As of the latest close, Atara Biotherapeutics traded at $12.36 with a market cap of $86.77 million and volume of 50,886 shares. Five years ago, the stock traded at a split-adjusted price of $339.25, representing a 96.36% decrease over that period. At the time, it had a market cap of $1.01 billion and a volume of 12,960 shares.

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5 Day
Performance
+0.16%
1 Month
Performance
+5.37%
3 Month
Performance
+58.46%
Year-To-Date
Performance
-7.14%
1 Year
Performance
+75.07%
5 Year
Performance
-96.36%

ATRA Stock Chart for Friday, August, 29, 2025

ATRA Chart by TradingView

Atara Biotherapeutics Stock Price History

Export to Excel
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/28/2025$12.35$12.36
+0.08%		$12.76$12.1650,886 shs$86.77 million
08/27/2025$12.64$12.35
-2.29%		$12.75$11.8634,139 shs$86.73 million
08/26/2025$12.24$12.64
+3.27%		$13.08$12.1980,103 shs$88.73 million
08/25/2025$12.34$12.24
-0.81%		$12.56$12.0257,163 shs$85.93 million
08/22/2025$11.49$12.34
+7.40%		$12.40$11.6290,718 shs$86.63 million
08/21/2025$11.76$11.49
-2.30%		$11.92$11.2831,143 shs$80.69 million
08/20/2025$11.48$11.76
+2.44%		$12.09$11.2764,470 shs$82.56 million
08/19/2025$11.48$11.48$12.06$11.2435,240 shs$80.59 million
08/18/2025$12.29$11.48
-6.59%		$12.50$11.2078,074 shs$80.62 million
08/15/2025$11.72$12.29
+4.86%		$12.49$11.52149,551 shs$86.31 million
08/14/2025$12.13$11.72
-3.38%		$12.11$11.5441,382 shs$82.27 million
08/13/2025$11.54$12.13
+5.11%		$12.25$11.6257,657 shs$72.30 million
08/12/2025$10.32$11.54
+11.82%		$12.31$10.8757,525 shs$68.78 million
08/11/2025$10.95$10.32
-5.75%		$11.45$10.3241,748 shs$61.52 million
08/08/2025$10.96$10.95
-0.09%		$11.66$10.3925,038 shs$65.27 million
08/07/2025$11.39$10.96
-3.78%		$11.79$10.5323,422 shs$65.32 million
08/06/2025$11.22$11.39
+1.52%		$11.75$10.8624,625 shs$67.88 million
08/05/2025$11.32$11.22
-0.88%		$11.84$11.1519,891 shs$66.88 million
08/04/2025$11.55$11.32
-1.99%		$11.60$11.2014,045 shs$67.47 million
08/01/2025$11.52$11.55
+0.26%		$11.73$10.9239,781 shs$68.84 million
07/31/2025$12.11$11.52
-4.87%		$12.32$11.5040,604 shs$68.66 million
07/30/2025$11.73$12.11
+3.24%		$12.85$11.8190,409 shs$72.19 million
07/29/2025$11.81$11.73
-0.68%		$12.00$11.3647,590 shs$69.91 million
07/28/2025$11.58$11.81
+1.99%		$11.90$10.6942,287 shs$70.39 million
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This page (NASDAQ:ATRA) was last updated on 8/29/2025 by MarketBeat.com Staff
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