Citigroup’s Atara Biotherapeutics ATRA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$5 Buy
+1
New +$6 ﹤0.01% 5774
2025
Q1
Sell
-2
Closed -$27 5570
2024
Q4
$27 Sell
2
-6
-75% -$63 ﹤0.01% 5740
2024
Q3
$65 Sell
8
-3,164
-100% -$27.1K ﹤0.01% 5550
2024
Q2
$27K Buy
3,172
+2,425
+325% +$36.5K ﹤0.01% 4905
2024
Q1
$13K Buy
747
+187
+33% +$3.32K ﹤0.01% 5139
2023
Q4
$7.18K Sell
560
-17,564
-97% -$410K ﹤0.01% 5270
2023
Q3
$671K Sell
18,124
-1,146
-6% -$51K ﹤0.01% 2833
2023
Q2
$776K Sell
19,270
-17,179
-47% -$971K ﹤0.01% 3035
2023
Q1
$2.64M Sell
36,449
-4,568
-11% -$443K ﹤0.01% 1840
2022
Q4
$3.36M Sell
41,017
-10,568
-20% -$1.1M ﹤0.01% 1702
2022
Q3
$4.88M Buy
51,585
+10,243
+25% +$1.15M ﹤0.01% 1582
2022
Q2
$8.05M Buy
41,342
+6,736
+19% +$1.1M 0.01% 1262
2022
Q1
$8.04M Sell
34,606
-5,925
-15% -$1.89M ﹤0.01% 1403
2021
Q4
$16M Buy
40,531
+29,697
+274% +$12.5M 0.01% 1141
2021
Q3
$4.85M Sell
10,834
-6,340
-37% -$2.27M ﹤0.01% 1849
2021
Q2
$6.68M Buy
17,174
+45
+0.3% +$16.1K ﹤0.01% 1685
2021
Q1
$6.15M Sell
17,129
-33,422
-66% -$14.8M ﹤0.01% 1653
2020
Q4
$24.8M Buy
50,551
+43,536
+621% +$20.1M 0.01% 901
2020
Q3
$2.27M Sell
7,015
-1,984
-22% -$676K ﹤0.01% 2539
2020
Q2
$3.28M Buy
8,999
+393
+5% +$99.3K ﹤0.01% 2267
2020
Q1
$1.83M Buy
8,606
+1,325
+18% +$421K ﹤0.01% 2559
2019
Q4
$3M Buy
7,281
+1,224
+20% +$422K ﹤0.01% 2538
2019
Q3
$2.14M Buy
6,057
+3,285
+119% +$1.23M ﹤0.01% 2796
2019
Q2
$1.39M Buy
2,772
+2,166
+357% +$1.53M ﹤0.01% 3243
2019
Q1
$602K Sell
606
-3,884
-87% -$3.61M ﹤0.01% 3979
2018
Q4
$3.9M Buy
4,490
+1,147
+34% +$1.07M ﹤0.01% 2051
2018
Q3
$3.46M Buy
3,343
+1,118
+50% +$1.09M ﹤0.01% 2212
2018
Q2
$2.04M Sell
2,225
-158
-7% -$170K ﹤0.01% 2658
2018
Q1
$2.32M Buy
2,383
+2,374
+26,378% +$2.16M ﹤0.01% 2478
2017
Q4
$4K Buy
9
+6
+200% +$2.22K ﹤0.01% 7267
2017
Q3
$1K Sell
3
-4
-57% -$1.51K ﹤0.01% 7099
2017
Q2
$2K Sell
7
-3
-30% -$1.16K ﹤0.01% 6961
2017
Q1
$5K Sell
10
-1,756
-99% -$727K ﹤0.01% 6769
2016
Q4
$627K Buy
1,766
+1,678
+1,907% +$711K ﹤0.01% 4149
2016
Q3
$47K Sell
88
-152
-63% -$82.5K ﹤0.01% 5696
2016
Q2
$135K Sell
240
-239
-50% -$115K ﹤0.01% 4829
2016
Q1
$228K Buy
479
+415
+648% +$187K ﹤0.01% 4961
2015
Q4
$42K Sell
64
-567
-90% -$429K ﹤0.01% 6055
2015
Q3
$496K Buy
631
+620
+5,636% +$756K ﹤0.01% 3755
2015
Q2
$14K Sell
11
-1,035
-99% -$1.19M ﹤0.01% 6284
2015
Q1
$1.09M Buy
1,046
+1,007
+2,582% +$666K ﹤0.01% 3009
2014
Q4
$26K Buy
+39
New +$23.8K ﹤0.01% 6083

Other funds holding ATRA

Citigroup's ATRA Position: Q1 2026 in Review

Citigroup opened a new position in Atara Biotherapeutics (ATRA) in Q1 2026: 1 share worth $5. The stake represents ﹤0.01% of the portfolio and ranks #5774 among its holdings. This is a return to the name: Citigroup previously reported a position in ATRA as recently as Q4 2024.

Citigroup first reported a position in ATRA in Q4 2014 and has held it in 42 quarters since. The position peaked at $24.8M in Q4 2020. 33 funds tracked by Wall St. Rank hold ATRA as of Q1 2026.

  • Citigroup held 1 share of Atara Biotherapeutics worth $5 as of Q1 2026.
  • Atara Biotherapeutics was a new Citigroup position in Q1 2026.
  • Atara Biotherapeutics made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #5774 holding.
  • Citigroup first reported a position in Atara Biotherapeutics in Q4 2014 and has held it in 42 quarters since.
  • Citigroup's Atara Biotherapeutics position peaked at $24.8M in Q4 2020.
  • 33 funds tracked by Wall St. Rank held Atara Biotherapeutics as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.