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
Sell
-15,200
Closed -$11.7M 4967
2025
Q4
$11.7M Sell
15,200
-28,500
-65% -$19.4M 0.01% 1613
2025
Q3
$24.6M Buy
43,700
+18,700
+75% +$10.6M 0.01% 1040
2025
Q2
$13.1M Sell
25,000
-13,300
-35% -$7.42M 0.01% 1295
2025
Q1
$24.3M Sell
38,300
-400
-1% -$275K 0.02% 827
2024
Q4
$27.6M Sell
38,700
-3,800
-9% -$3.19M 0.02% 849
2024
Q3
$44.7M Buy
42,500
+42,200
+14,067% +$47M 0.04% 560
2024
Q2
$315K Buy
+300
New +$291K ﹤0.01% 3865
2023
Q1
Sell
-8,000
Closed -$5.77M 4786
2022
Q4
$5.77M Hold
8,000
0.01% 1956
2022
Q3
$5.51M Sell
8,000
-29,500
-79% -$18.6M 0.01% 1975
2022
Q2
$22.2M Sell
37,500
-10,000
-21% -$6.5M 0.03% 801
2022
Q1
$33.2M Sell
47,500
-16,100
-25% -$10.2M 0.03% 699
2021
Q4
$40.2M Buy
63,600
+33,600
+112% +$20.7M 0.03% 667
2021
Q3
$18.2M Sell
30,000
-20,500
-41% -$12.7M 0.02% 1083
2021
Q2
$28.2M Buy
50,500
+20,500
+68% +$10.4M 0.02% 827
2021
Q1
$14.2M Sell
30,000
-2,900
-9% -$1.41M 0.01% 1143
2020
Q4
$15.9M Sell
32,900
-7,600
-19% -$4.1M 0.01% 1084
2020
Q3
$22.7M Sell
40,500
-4,700
-10% -$2.85M 0.02% 764
2020
Q2
$28.2M Buy
45,200
+7,000
+18% +$3.97M 0.03% 604
2020
Q1
$18.7M Buy
38,200
+19,700
+106% +$8.13M 0.03% 656
2019
Q4
$6.95M Buy
+18,500
New +$6.22M 0.01% 1477
2019
Q2
Sell
-22,700
Closed -$9.32M 3825
2019
Q1
$9.32M Buy
22,700
+800
+4% +$329K 0.01% 1150
2018
Q4
$8.18M Sell
21,900
-5,900
-21% -$2.16M 0.01% 1221
2018
Q3
$11.2M Buy
27,800
+9,700
+54% +$3.69M 0.01% 1065
2018
Q2
$6.24M Sell
18,100
-5,500
-23% -$1.72M 0.01% 1373
2018
Q1
$8.13M Sell
23,600
-107,600
-82% -$37.4M 0.01% 1116
2017
Q4
$49.3M Buy
131,200
+28,300
+28% +$11.5M 0.07% 353
2017
Q3
$46M Buy
102,900
+4,000
+4% +$1.9M 0.07% 342
2017
Q2
$48.6M Buy
98,900
+20,000
+25% +$8.75M 0.08% 296
2017
Q1
$30.6M Sell
78,900
-78,800
-50% -$29.2M 0.05% 413
2016
Q4
$57.9M Sell
157,700
-43,800
-22% -$16.7M 0.1% 242
2016
Q3
$81M Buy
201,500
+23,900
+13% +$9.59M 0.14% 158
2016
Q2
$62M Sell
177,600
-18,700
-10% -$7.2M 0.11% 208
2016
Q1
$70.8M Sell
196,300
-25,800
-12% -$10.6M 0.13% 184
2015
Q4
$121M Buy
222,100
+22,500
+11% +$12.2M 0.18% 129
2015
Q3
$92.8M Buy
199,600
+26,900
+16% +$14.4M 0.14% 171
2015
Q2
$88.1M Buy
172,700
+62,700
+57% +$30.6M 0.13% 168
2015
Q1
$49.7M Sell
110,000
-45,300
-29% -$19.2M 0.08% 304
2014
Q4
$63.7M Buy
155,300
+24,600
+19% +$9.67M 0.08% 285
2014
Q3
$47.1M Buy
130,700
+38,600
+42% +$12.9M 0.06% 369
2014
Q2
$26M Sell
92,100
-31,400
-25% -$9.31M 0.04% 559
2014
Q1
$37.1M Sell
123,500
-30,500
-20% -$9.4M 0.05% 392
2013
Q4
$42.4M Buy
154,000
+4,300
+3% +$1.24M 0.06% 366
2013
Q3
$46.8M Sell
149,700
-177,700
-54% -$46.7M 0.07% 284
2013
Q2
$73.6M Buy
+327,400
New +$76.2M 0.14% 153

Other funds holding REGN