D.E. Shaw & Co’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$17.6M Sell
22,730
-132,745
-85% -$102M 0.01% 1238
2025
Q4
$120M Sell
155,475
-706,118
-82% -$480M 0.09% 349
2025
Q3
$484M Buy
861,593
+84,124
+11% +$47.6M 0.39% 54
2025
Q2
$408M Buy
777,469
+198,580
+34% +$111M 0.41% 57
2025
Q1
$367M Buy
578,889
+78,659
+16% +$54.1M 0.44% 40
2024
Q4
$356M Buy
500,230
+233,994
+88% +$196M 0.39% 66
2024
Q3
$280M Buy
266,236
+11,821
+5% +$13.2M 0.37% 80
2024
Q2
$267M Buy
254,415
+23,944
+10% +$23.2M 0.38% 75
2024
Q1
$222M Sell
230,471
-133,587
-37% -$127M 0.28% 114
2023
Q4
$320M Sell
364,058
-6,363
-2% -$5.24M 0.46% 55
2023
Q3
$305M Buy
370,421
+82,642
+29% +$64.9M 0.5% 45
2023
Q2
$207M Buy
287,779
+136,446
+90% +$105M 0.32% 92
2023
Q1
$124M Buy
151,333
+135,038
+829% +$102M 0.2% 164
2022
Q4
$11.8M Sell
16,295
-21,130
-56% -$15.6M 0.02% 1312
2022
Q3
$25.8M Sell
37,425
-26,903
-42% -$16.9M 0.05% 705
2022
Q2
$38M Sell
64,328
-135,375
-68% -$88M 0.06% 519
2022
Q1
$139M Sell
199,703
-93,168
-32% -$58.9M 0.18% 153
2021
Q4
$185M Buy
292,871
+120,736
+70% +$74.2M 0.23% 129
2021
Q3
$104M Buy
172,135
+119,119
+225% +$74M 0.13% 244
2021
Q2
$29.6M Buy
53,016
+32,316
+156% +$16.4M 0.03% 807
2021
Q1
$9.79M Sell
20,700
-34,958
-63% -$17M 0.01% 1373
2020
Q4
$26.9M Buy
55,658
+7,495
+16% +$4.05M 0.03% 810
2020
Q3
$27M Buy
48,163
+14,060
+41% +$8.53M 0.04% 686
2020
Q2
$21.3M Sell
34,103
-4,485
-12% -$2.55M 0.03% 745
2020
Q1
$18.8M Sell
38,588
-41,893
-52% -$17.3M 0.04% 649
2019
Q4
$30.2M Sell
80,481
-56,341
-41% -$19M 0.05% 612
2019
Q3
$38M Sell
136,822
-114,237
-46% -$33.8M 0.06% 479
2019
Q2
$78.6M Buy
251,059
+62,639
+33% +$20.9M 0.12% 249
2019
Q1
$77.4M Sell
188,420
-170,246
-47% -$70.1M 0.13% 244
2018
Q4
$134M Buy
358,666
+156,989
+78% +$57.5M 0.24% 115
2018
Q3
$81.5M Sell
201,677
-122,963
-38% -$46.8M 0.13% 256
2018
Q2
$112M Sell
324,640
-333,070
-51% -$104M 0.18% 156
2018
Q1
$226M Buy
657,710
+122,000
+23% +$42.4M 0.38% 60
2017
Q4
$201M Buy
535,710
+446,025
+497% +$181M 0.36% 63
2017
Q3
$40.1M Buy
89,685
+29,937
+50% +$14.2M 0.08% 377
2017
Q2
$29.3M Buy
59,748
+52,645
+741% +$23M 0.06% 453
2017
Q1
$2.75M Sell
7,103
-1,696
-19% -$629K 0.01% 1647
2016
Q4
$3.23M Buy
8,799
+2,529
+40% +$962K 0.01% 1642
2016
Q3
$2.52M Sell
6,270
-14,240
-69% -$5.71M 0.01% 1744
2016
Q2
$7.16M Sell
20,510
-99,059
-83% -$38.2M 0.02% 1075
2016
Q1
$43.1M Sell
119,569
-2,104
-2% -$867K 0.09% 302
2015
Q4
$66.1M Sell
121,673
-15,456
-11% -$8.37M 0.13% 242
2015
Q3
$63.8M Buy
137,129
+77,508
+130% +$41.6M 0.12% 262
2015
Q2
$30.4M Sell
59,621
-32,132
-35% -$15.7M 0.06% 480
2015
Q1
$41.4M Sell
91,753
-17,187
-16% -$7.28M 0.08% 362
2014
Q4
$44.7M Sell
108,940
-34,642
-24% -$13.6M 0.09% 389
2014
Q3
$51.8M Buy
143,582
+66,305
+86% +$22.2M 0.1% 337
2014
Q2
$21.8M Buy
77,277
+13,753
+22% +$4.08M 0.04% 643
2014
Q1
$19.1M Sell
63,524
-63,277
-50% -$19.5M 0.04% 671
2013
Q4
$34.9M Buy
126,801
+23,970
+23% +$6.89M 0.08% 434
2013
Q3
$32.2M Buy
102,831
+101,631
+8,469% +$26.7M 0.09% 395
2013
Q2
$270K Buy
+1,200
New +$279K ﹤0.01% 3624

Other funds holding REGN