D.E. Shaw & Co’s Arrowhead Research ARWR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$74.2M Buy
1,183,838
+1,037,774
+710% +$65.7M 0.04% 497
2025
Q4
$9.7M Buy
146,064
+125,763
+619% +$6.16M 0.01% 1782
2025
Q3
$700K Buy
+20,301
New +$446K ﹤0.01% 3680
2024
Q1
Sell
-45,474
Closed -$1.39M 4327
2023
Q4
$1.39M Buy
+45,474
New +$1.21M ﹤0.01% 2914
2023
Q3
Sell
-31,390
Closed -$1.12M 4239
2023
Q2
$1.12M Buy
31,390
+827
+3% +$28.5K ﹤0.01% 3013
2023
Q1
$776K Buy
+30,563
New +$961K ﹤0.01% 3333
2022
Q3
Sell
-8,189
Closed -$288K 5170
2022
Q2
$288K Buy
+8,189
New +$308K ﹤0.01% 4378
2022
Q1
Sell
-33,117
Closed -$2.2M 5509
2021
Q4
$2.2M Sell
33,117
-8,789
-21% -$604K ﹤0.01% 3276
2021
Q3
$2.62M Sell
41,906
-18,506
-31% -$1.2M ﹤0.01% 2769
2021
Q2
$5M Buy
60,412
+16,227
+37% +$1.21M ﹤0.01% 2039
2021
Q1
$2.93M Sell
44,185
-44,414
-50% -$3.45M ﹤0.01% 2251
2020
Q4
$6.8M Sell
88,599
-174,373
-66% -$11.2M 0.01% 1638
2020
Q3
$11.3M Sell
262,972
-170,546
-39% -$7.36M 0.01% 1169
2020
Q2
$18.7M Sell
433,518
-242,603
-36% -$8.56M 0.02% 819
2020
Q1
$19.5M Sell
676,121
-16,774
-2% -$676K 0.03% 636
2019
Q4
$44M Sell
692,895
-43,341
-6% -$2.15M 0.05% 451
2019
Q3
$20.7M Buy
736,236
+282,631
+62% +$8.36M 0.03% 756
2019
Q2
$12M Sell
453,605
-85,553
-16% -$1.88M 0.02% 1034
2019
Q1
$9.89M Buy
539,158
+497,972
+1,209% +$8.21M 0.01% 1111
2018
Q4
$512K Sell
41,186
-27,071
-40% -$370K ﹤0.01% 3082
2018
Q3
$1.31M Sell
68,257
-45,652
-40% -$749K ﹤0.01% 2501
2018
Q2
$1.55M Sell
113,909
-777,875
-87% -$7.27M ﹤0.01% 2411
2018
Q1
$6.43M Sell
891,784
-276,095
-24% -$1.7M 0.01% 1254
2017
Q4
$4.3M Buy
1,167,879
+196,111
+20% +$729K 0.01% 1598
2017
Q3
$4.21M Buy
971,768
+713,467
+276% +$1.7M 0.01% 1497
2017
Q2
$418K Buy
258,301
+172,348
+201% +$279K ﹤0.01% 2889
2017
Q1
$159K Buy
85,953
+20,611
+32% +$40.9K ﹤0.01% 3155
2016
Q4
$101K Buy
+65,342
New +$278K ﹤0.01% 3345
2016
Q1
Sell
-29,581
Closed -$182K 3396
2015
Q4
$182K Sell
29,581
-26,455
-47% -$150K ﹤0.01% 3579
2015
Q3
$323K Sell
56,036
-37,102
-40% -$233K ﹤0.01% 3319
2015
Q2
$666K Sell
93,138
-59,404
-39% -$408K ﹤0.01% 2988
2015
Q1
$1.03M Sell
152,542
-169,528
-53% -$1.2M ﹤0.01% 2538
2014
Q4
$2.38M Buy
322,070
+55,870
+21% +$380K ﹤0.01% 2138
2014
Q3
$3.93M Buy
266,200
+175,653
+194% +$2.4M 0.01% 1732
2014
Q2
$1.3M Sell
90,547
-56,483
-38% -$741K ﹤0.01% 2697
2014
Q1
$2.41M Buy
+147,030
New +$2.58M ﹤0.01% 2201

Other funds holding ARWR