Jane Street’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$29.4M Sell
56,024
-40,435
-42% -$21.2M 0.01% 350
2025
Q1
$61.2M Buy
96,459
+4,803
+5% +$3.05M 0.02% 141
2024
Q4
$65.3M Sell
91,656
-35,332
-28% -$25.2M 0.01% 165
2024
Q3
$133M Sell
126,988
-16,065
-11% -$16.9M 0.03% 67
2024
Q2
$150M Buy
143,053
+90,879
+174% +$95.5M 0.03% 94
2024
Q1
$50.2M Sell
52,174
-21,629
-29% -$20.8M 0.01% 227
2023
Q4
$64.8M Buy
73,803
+34,393
+87% +$30.2M 0.02% 196
2023
Q3
$32.4M Sell
39,410
-30,337
-43% -$25M 0.01% 284
2023
Q2
$50.1M Buy
69,747
+35,238
+102% +$25.3M 0.02% 241
2023
Q1
$28.4M Sell
34,509
-124,036
-78% -$102M 0.01% 292
2022
Q4
$114M Buy
158,545
+36,152
+30% +$26.1M 0.05% 74
2022
Q3
$84.3M Buy
122,393
+110,784
+954% +$76.3M 0.04% 98
2022
Q2
$6.86M Sell
11,609
-29,491
-72% -$17.4M ﹤0.01% 874
2022
Q1
$28.7M Buy
41,100
+20,550
+100% +$14.4M 0.01% 299
2021
Q4
$13M Sell
20,550
-22,122
-52% -$14M ﹤0.01% 524
2021
Q3
$25.8M Sell
42,672
-25,180
-37% -$15.2M 0.01% 265
2021
Q2
$37.9M Buy
67,852
+7,526
+12% +$4.2M 0.01% 168
2021
Q1
$28.5M Buy
60,326
+133
+0.2% +$62.9K 0.01% 204
2020
Q4
$29.1M Buy
60,193
+17,932
+42% +$8.66M 0.01% 178
2020
Q3
$23.7M Buy
42,261
+31,940
+309% +$17.9M 0.01% 160
2020
Q2
$6.44M Buy
10,321
+3,025
+41% +$1.89M ﹤0.01% 561
2020
Q1
$3.56M Buy
7,296
+5,108
+233% +$2.49M ﹤0.01% 698
2019
Q4
$821K Sell
2,188
-5,809
-73% -$2.18M ﹤0.01% 1773
2019
Q3
$2.22M Sell
7,997
-14,969
-65% -$4.15M ﹤0.01% 864
2019
Q2
$7.19M Sell
22,966
-33,804
-60% -$10.6M 0.01% 369
2019
Q1
$23.3M Buy
56,770
+44,189
+351% +$18.1M 0.04% 155
2018
Q4
$4.7M Sell
12,581
-3,919
-24% -$1.46M 0.01% 404
2018
Q3
$6.67M Sell
16,500
-7,474
-31% -$3.02M 0.01% 396
2018
Q2
$8.27M Sell
23,974
-18,132
-43% -$6.26M 0.02% 309
2018
Q1
$14.5M Buy
42,106
+27,591
+190% +$9.5M 0.04% 154
2017
Q4
$5.46M Sell
14,515
-19,316
-57% -$7.26M 0.02% 372
2017
Q3
$15.1M Sell
33,831
-107
-0.3% -$47.8K 0.05% 137
2017
Q2
$16.7M Buy
33,938
+18,739
+123% +$9.2M 0.06% 106
2017
Q1
$5.89M Buy
15,199
+2,395
+19% +$928K 0.03% 272
2016
Q4
$4.7M Buy
12,804
+7,627
+147% +$2.8M 0.02% 306
2016
Q3
$2.08M Buy
5,177
+2,549
+97% +$1.02M 0.01% 686
2016
Q2
$917K Buy
2,628
+644
+32% +$225K ﹤0.01% 1273
2016
Q1
$715K Sell
1,984
-5,180
-72% -$1.87M ﹤0.01% 1310
2015
Q4
$3.89M Buy
7,164
+3,264
+84% +$1.77M 0.02% 314
2015
Q3
$1.81M Buy
3,900
+1,950
+100% +$907K 0.01% 682
2015
Q2
$995K Buy
1,950
+353
+22% +$180K 0.01% 1027
2015
Q1
$721K Sell
1,597
-288
-15% -$130K 0.01% 1161
2014
Q4
$773K Sell
1,885
-816
-30% -$335K 0.01% 811
2014
Q3
$974K Buy
2,701
+823
+44% +$297K 0.01% 720
2014
Q2
$530K Sell
1,878
-1,264
-40% -$357K 0.01% 1136
2014
Q1
$943K Sell
3,142
-1,128
-26% -$339K 0.01% 814
2013
Q4
$1.18M Sell
4,270
-9,705
-69% -$2.67M 0.02% 560
2013
Q3
$4.37M Sell
13,975
-10,330
-43% -$3.23M 0.05% 171
2013
Q2
$5.47M Buy
+24,305
New +$5.47M 0.09% 95