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
$6.03M Hold
7,800
﹤0.01% 2047
2025
Q4
$6.02M Sell
7,800
-12,200
-61% -$8.29M ﹤0.01% 2154
2025
Q3
$11.2M Buy
20,000
+1,800
+10% +$1.02M 0.01% 1586
2025
Q2
$9.55M Sell
18,200
-5,400
-23% -$3.01M 0.01% 1530
2025
Q1
$15M Sell
23,600
-15,200
-39% -$10.5M 0.01% 1119
2024
Q4
$27.6M Buy
+38,800
New +$32.6M 0.02% 847
2024
Q1
Sell
-7,500
Closed -$6.59M 4662
2023
Q4
$6.59M Buy
+7,500
New +$6.18M 0.01% 1684
2023
Q1
Sell
-31,400
Closed -$22.7M 4787
2022
Q4
$22.7M Buy
31,400
+4,900
+18% +$3.62M 0.03% 847
2022
Q3
$18.3M Sell
26,500
-25,000
-49% -$15.7M 0.02% 910
2022
Q2
$30.4M Buy
51,500
+5,000
+11% +$3.25M 0.04% 632
2022
Q1
$32.5M Sell
46,500
-68,600
-60% -$43.4M 0.03% 703
2021
Q4
$72.7M Buy
115,100
+32,500
+39% +$20M 0.06% 386
2021
Q3
$50M Hold
82,600
0.05% 533
2021
Q2
$46.1M Sell
82,600
-20,000
-19% -$10.1M 0.04% 595
2021
Q1
$48.5M Sell
102,600
-20,900
-17% -$10.2M 0.05% 504
2020
Q4
$59.7M Buy
123,500
+47,800
+63% +$25.8M 0.05% 425
2020
Q3
$42.4M Sell
75,700
-10,000
-12% -$6.06M 0.04% 486
2020
Q2
$53.4M Sell
85,700
-1,900
-2% -$1.08M 0.06% 342
2020
Q1
$42.8M Sell
87,600
-58,400
-40% -$24.1M 0.07% 326
2019
Q4
$54.8M Sell
146,000
-6,500
-4% -$2.19M 0.06% 359
2019
Q3
$42.3M Buy
152,500
+56,700
+59% +$16.8M 0.05% 440
2019
Q2
$30M Buy
95,800
+55,500
+138% +$18.5M 0.04% 566
2019
Q1
$16.5M Sell
40,300
-112,100
-74% -$46.2M 0.02% 819
2018
Q4
$56.9M Sell
152,400
-2,700
-2% -$988K 0.08% 305
2018
Q3
$62.7M Buy
155,100
+8,300
+6% +$3.16M 0.08% 322
2018
Q2
$50.6M Sell
146,800
-1,100
-0.7% -$344K 0.07% 364
2018
Q1
$50.9M Sell
147,900
-29,600
-17% -$10.3M 0.07% 338
2017
Q4
$66.7M Buy
177,500
+57,900
+48% +$23.4M 0.09% 263
2017
Q3
$53.5M Hold
119,600
0.08% 306
2017
Q2
$58.7M Buy
119,600
+6,000
+5% +$2.63M 0.1% 255
2017
Q1
$44M Sell
113,600
-46,700
-29% -$17.3M 0.08% 311
2016
Q4
$58.8M Sell
160,300
-6,500
-4% -$2.47M 0.1% 238
2016
Q3
$67.1M Buy
166,800
+51,600
+45% +$20.7M 0.12% 201
2016
Q2
$40.2M Buy
115,200
+45,200
+65% +$17.4M 0.07% 317
2016
Q1
$25.2M Sell
70,000
-80,200
-53% -$33M 0.05% 454
2015
Q4
$81.5M Sell
150,200
-5,700
-4% -$3.09M 0.12% 188
2015
Q3
$72.5M Buy
155,900
+40,900
+36% +$22M 0.11% 228
2015
Q2
$58.7M Buy
115,000
+38,300
+50% +$18.7M 0.09% 274
2015
Q1
$34.6M Sell
76,700
-105,000
-58% -$44.5M 0.05% 409
2014
Q4
$74.5M Buy
181,700
+26,300
+17% +$10.3M 0.1% 247
2014
Q3
$56M Sell
155,400
-2,700
-2% -$905K 0.07% 313
2014
Q2
$44.7M Sell
158,100
-42,000
-21% -$12.4M 0.06% 357
2014
Q1
$60.1M Sell
200,100
-67,800
-25% -$20.9M 0.09% 251
2013
Q4
$73.7M Buy
267,900
+25,300
+10% +$7.28M 0.1% 201
2013
Q3
$75.9M Buy
242,600
+124,400
+105% +$32.7M 0.12% 180
2013
Q2
$26.6M Buy
+118,200
New +$27.5M 0.05% 418

Other funds holding REGN