Group One Trading’s Atara Biotherapeutics ATRA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$1.14K Hold
148
﹤0.01% 1837
2025
Q1
$879 Sell
148
-246
-62% -$1.46K ﹤0.01% 1754
2024
Q4
$5.24K Hold
394
﹤0.01% 1641
2024
Q3
$3.2K Sell
394
-4,395
-92% -$35.7K ﹤0.01% 1401
2024
Q2
$40.7K Sell
4,789
-352
-7% -$2.99K ﹤0.01% 1026
2024
Q1
$89.2K Sell
5,141
-481
-9% -$8.35K ﹤0.01% 832
2023
Q4
$72.1K Buy
5,622
+3,058
+119% +$39.2K ﹤0.01% 995
2023
Q3
$94.9K Buy
+2,564
New +$94.9K ﹤0.01% 936
2023
Q2
Hold
0
1875
2023
Q1
Hold
0
1925
2022
Q4
Sell
-223
Closed -$21K 1997
2022
Q3
$21K Buy
+223
New +$21K ﹤0.01% 1423
2022
Q2
Sell
-172
Closed -$40K 2043
2022
Q1
$40K Buy
+172
New +$40K ﹤0.01% 1493
2021
Q4
Sell
-554
Closed -$248K 2219
2021
Q3
$248K Buy
+554
New +$248K ﹤0.01% 1058
2021
Q2
Sell
-42
Closed -$15K 2049
2021
Q1
$15K Buy
+42
New +$15K ﹤0.01% 1582
2020
Q4
Hold
0
1704
2020
Q3
Hold
0
1575
2020
Q2
Hold
0
1433
2020
Q1
Hold
0
1407
2019
Q4
Hold
0
1387
2019
Q3
Sell
-98
Closed -$49K 1364
2019
Q2
$49K Buy
98
+97
+9,700% +$48.5K ﹤0.01% 825
2019
Q1
$1K Buy
+1
New +$1K ﹤0.01% 1144
2018
Q4
Hold
0
1391
2018
Q3
Sell
-156
Closed -$143K 1422
2018
Q2
$143K Buy
156
+126
+420% +$116K ﹤0.01% 718
2018
Q1
$30K Sell
30
-170
-85% -$170K ﹤0.01% 971
2017
Q4
$91K Buy
+200
New +$91K ﹤0.01% 814
2017
Q3
Hold
0
1322
2017
Q2
Hold
0
1323
2016
Q2
Sell
-22
Closed -$11K 1194
2016
Q1
$11K Hold
22
﹤0.01% 973
2015
Q4
$15K Buy
22
+12
+120% +$8.18K ﹤0.01% 1096
2015
Q3
$8K Buy
+10
New +$8K ﹤0.01% 1205