D.E. Shaw & Co’s Repligen RGEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Hold
0
5022
2025
Q4
Sell
-249,930
Closed -$39.1M 4982
2025
Q3
$33.4M Buy
249,930
+244,298
+4,338% +$29.7M 0.03% 864
2025
Q2
$701K Buy
5,632
+3,020
+116% +$384K ﹤0.01% 3468
2025
Q1
$332K Sell
2,612
-2,447
-48% -$377K ﹤0.01% 3721
2024
Q4
$728K Buy
+5,059
New +$725K ﹤0.01% 3397
2024
Q3
Sell
-6,369
Closed -$913K 4867
2024
Q2
$803K Sell
6,369
-119,042
-95% -$18.7M ﹤0.01% 3326
2024
Q1
$23.1M Buy
125,411
+42,926
+52% +$8.17M 0.03% 838
2023
Q4
$14.8M Buy
82,485
+67,905
+466% +$10.6M 0.02% 1118
2023
Q3
$2.32M Buy
14,580
+3,159
+28% +$516K ﹤0.01% 2459
2023
Q2
$1.62M Buy
+11,421
New +$1.83M ﹤0.01% 2772
2023
Q1
Sell
-5,379
Closed -$960K 4834
2022
Q4
$911K Sell
5,379
-213
-4% -$38.6K ﹤0.01% 3512
2022
Q3
$1.05M Sell
5,592
-4,210
-43% -$888K ﹤0.01% 3558
2022
Q2
$1.59M Buy
9,802
+4,833
+97% +$764K ﹤0.01% 3268
2022
Q1
$935K Buy
4,969
+1,330
+37% +$253K ﹤0.01% 3970
2021
Q4
$964K Sell
3,639
-9,231
-72% -$2.49M ﹤0.01% 3958
2021
Q3
$3.72M Buy
+12,870
New +$3.3M ﹤0.01% 2407
2021
Q2
Sell
-5,576
Closed -$1.08M 5016
2021
Q1
$1.08M Sell
5,576
-35,998
-87% -$7.38M ﹤0.01% 3050
2020
Q4
$7.97M Sell
41,574
-77,007
-65% -$14M 0.01% 1519
2020
Q3
$17.5M Buy
118,581
+92,601
+356% +$13.2M 0.02% 910
2020
Q2
$3.21M Sell
25,980
-25,018
-49% -$2.94M ﹤0.01% 2021
2020
Q1
$4.92M Sell
50,998
-55,193
-52% -$5.33M 0.01% 1476
2019
Q4
$9.82M Buy
106,191
+11,232
+12% +$944K 0.02% 1212
2019
Q3
$7.28M Sell
94,959
-118,011
-55% -$10.3M 0.01% 1380
2019
Q2
$18.3M Sell
212,970
-51,001
-19% -$3.48M 0.03% 793
2019
Q1
$15.6M Sell
263,971
-2,659
-1% -$153K 0.03% 852
2018
Q4
$14.1M Buy
266,630
+229,128
+611% +$13.4M 0.03% 883
2018
Q3
$2.08M Buy
+37,502
New +$1.93M ﹤0.01% 2170
2018
Q2
Sell
-8,280
Closed -$300K 3878
2018
Q1
$300K Sell
8,280
-28,739
-78% -$1.01M ﹤0.01% 3151
2017
Q4
$1.34M Buy
37,019
+29,813
+414% +$1.08M ﹤0.01% 2405
2017
Q3
$276K Sell
7,206
-50,395
-87% -$2.11M ﹤0.01% 3177
2017
Q2
$2.39M Buy
57,601
+20,841
+57% +$792K ﹤0.01% 1866
2017
Q1
$1.29M Sell
36,760
-2,389
-6% -$75.6K ﹤0.01% 2134
2016
Q4
$1.21M Buy
39,149
+26,675
+214% +$825K ﹤0.01% 2348
2016
Q3
$377K Buy
+12,474
New +$376K ﹤0.01% 2936
2016
Q2
Sell
-17,424
Closed -$467K 3514
2016
Q1
$467K Buy
+17,424
New +$426K ﹤0.01% 2819
2015
Q1
Hold
0
3972
2014
Q4
Hold
0
4254
2014
Q3
Hold
0
4393
2014
Q2
Sell
-65,904
Closed -$1.17M 4532
2014
Q1
$848K Buy
65,904
+36,713
+126% +$526K ﹤0.01% 3179
2013
Q4
$398K Sell
29,191
-1,976
-6% -$23.6K ﹤0.01% 3872
2013
Q3
$346K Buy
+31,167
New +$310K ﹤0.01% 3822

Other funds holding RGEN