Morgan Stanley’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
Q2
$105K Buy
9,178
+9
+0.1% +$72 ﹤0.01% 6230
2026
Q1
$43.4K Sell
9,169
-6,822
-43% -$41.6K ﹤0.01% 6472
2025
Q4
$289K Sell
15,991
-19,947
-56% -$298K ﹤0.01% 5771
2025
Q3
$515K Buy
35,938
+21,012
+141% +$242K ﹤0.01% 5488
2025
Q2
$115K Buy
14,926
+3,098
+26% +$22.6K ﹤0.01% 6081
2025
Q1
$70.3K Sell
11,828
-16,523
-58% -$144K ﹤0.01% 6160
2024
Q4
$377K Buy
28,351
+12,162
+75% +$128K ﹤0.01% 5542
2024
Q3
$132K Buy
16,189
+6,404
+65% +$54.8K ﹤0.01% 5890
2024
Q2
$83.2K Sell
9,785
-44,060
-82% -$663K ﹤0.01% 6025
2024
Q1
$934K Sell
53,845
-89,625
-62% -$1.59M ﹤0.01% 4984
2023
Q4
$1.84M Buy
143,470
+54,883
+62% +$1.28M ﹤0.01% 4968
2023
Q3
$3.28M Sell
88,587
-11,524
-12% -$513K ﹤0.01% 4042
2023
Q2
$4.03M Sell
100,111
-17,778
-15% -$1.01M ﹤0.01% 3935
2023
Q1
$8.55M Buy
117,889
+10,299
+10% +$999K ﹤0.01% 3279
2022
Q4
$8.82M Sell
107,590
-10,367
-9% -$1.08M ﹤0.01% 3203
2022
Q3
$11.1M Sell
117,957
-10,998
-9% -$1.24M ﹤0.01% 2841
2022
Q2
$25.1M Buy
128,955
+7,374
+6% +$1.2M ﹤0.01% 2034
2022
Q1
$28.2M Buy
121,581
+19,859
+20% +$6.32M ﹤0.01% 1765
2021
Q4
$40.1M Sell
101,722
-10,668
-9% -$4.49M ﹤0.01% 1509
2021
Q3
$50.3M Sell
112,390
-9,040
-7% -$3.24M 0.01% 1287
2021
Q2
$47.2M Sell
121,430
-5,879
-5% -$2.1M 0.01% 1350
2021
Q1
$45.7M Sell
127,309
-17,689
-12% -$7.82M 0.01% 1231
2020
Q4
$71.2M Buy
144,998
+92,600
+177% +$42.7M 0.01% 885
2020
Q3
$17M Buy
52,398
+21,297
+68% +$7.25M ﹤0.01% 1599
2020
Q2
$11.3M Sell
31,101
-107,392
-78% -$27.1M ﹤0.01% 1862
2020
Q1
$29.5M Buy
138,493
+21,179
+18% +$6.72M 0.01% 1027
2019
Q4
$48.3M Sell
117,314
-830
-0.7% -$286K 0.01% 955
2019
Q3
$41.7M Buy
118,144
+38,242
+48% +$14.3M 0.01% 964
2019
Q2
$40.2M Buy
79,902
+28,604
+56% +$20.2M 0.01% 968
2019
Q1
$51M Sell
51,298
-21,928
-30% -$20.4M 0.01% 822
2018
Q4
$63.6M Sell
73,226
-2,379
-3% -$2.21M 0.02% 707
2018
Q3
$78.2M Sell
75,605
-6,073
-7% -$5.94M 0.02% 720
2018
Q2
$75M Sell
81,678
-4,677
-5% -$5.02M 0.02% 714
2018
Q1
$84.2M Buy
86,355
+16,883
+24% +$15.4M 0.02% 662
2017
Q4
$31.4M Buy
69,472
+11,966
+21% +$4.42M 0.01% 1301
2017
Q3
$23.8M Buy
57,506
+18,044
+46% +$6.8M 0.01% 1437
2017
Q2
$13.8M Buy
39,462
+32,460
+464% +$12.5M ﹤0.01% 1853
2017
Q1
$3.6M Buy
7,002
+4,174
+148% +$1.73M ﹤0.01% 3221
2016
Q4
$1M Buy
2,828
+2,521
+821% +$1.07M ﹤0.01% 4459
2016
Q3
$164K Buy
307
+156
+103% +$84.7K ﹤0.01% 5097
2016
Q2
$85K Sell
151
-85
-36% -$40.8K ﹤0.01% 5310
2016
Q1
$112K Sell
236
-4,802
-95% -$2.16M ﹤0.01% 5265
2015
Q4
$3.33M Buy
5,038
+4,265
+552% +$3.23M ﹤0.01% 3051
2015
Q3
$608K Buy
773
+532
+221% +$649K ﹤0.01% 4485
2015
Q2
$318K Buy
241
+237
+5,925% +$272K ﹤0.01% 4983
2015
Q1
$4K Sell
4
-27
-87% -$17.8K ﹤0.01% 6361
2014
Q4
$20K Buy
+31
New +$18.9K ﹤0.01% 6046

Other funds holding ATRA

Morgan Stanley's ATRA Position: Q2 2026 in Review

Morgan Stanley increased its Atara Biotherapeutics (ATRA) stake by 0.1% in Q2 2026, buying an estimated $72 and bringing the position to 9,178 shares worth $105K. The position accounts for ﹤0.01% of the portfolio, ranked #6230.

Morgan Stanley first reported a position in ATRA in Q4 2014 and has held it in 47 quarters since. The position peaked at $84.2M in Q1 2018. 21 funds tracked by Wall St. Rank hold ATRA as of Q2 2026.

  • Morgan Stanley held 9,178 shares of Atara Biotherapeutics worth $105K as of Q2 2026.
  • Morgan Stanley bought 9 Atara Biotherapeutics shares in Q2 2026, an estimated $72.
  • Atara Biotherapeutics made up ﹤0.01% of Morgan Stanley's portfolio in Q2 2026, its #6230 holding.
  • Morgan Stanley first reported a position in Atara Biotherapeutics in Q4 2014 and has held it in 47 quarters since.
  • Morgan Stanley's Atara Biotherapeutics position peaked at $84.2M in Q1 2018.
  • 21 funds tracked by Wall St. Rank held Atara Biotherapeutics as of Q2 2026.

Based on Morgan Stanley's 13F filing for Q2 2026, filed 13 Aug 2026.