Parallax Volatility Advisers’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
-321
Closed -$248K 1905
2025
Q4
$248K Buy
+321
New +$218K 0.01% 1347
2025
Q2
Sell
-9,197
Closed -$5.83M 1918
2025
Q1
$5.83M Buy
+9,197
New +$6.33M 0.19% 582
2024
Q4
Sell
-12,144
Closed -$10.2M 2442
2024
Q3
$12.8M Buy
12,144
+1,148
+10% +$1.28M 0.33% 459
2024
Q2
$11.6M Sell
10,996
-2,004
-15% -$1.94M 0.29% 434
2024
Q1
$12.5M Buy
+13,000
New +$12.4M 0.36% 445
2023
Q4
Hold
0
2680
2023
Q3
Hold
0
2783
2023
Q2
Sell
-60
Closed -$46.3K 2979
2023
Q1
$49.3K Hold
60
﹤0.01% 2218
2022
Q4
$43.3K Hold
60
﹤0.01% 2388
2022
Q3
$41K Sell
60
-3,141
-98% -$1.98M ﹤0.01% 2638
2022
Q2
$1.89M Buy
+3,201
New +$2.08M ﹤0.01% 1372
2022
Q1
Sell
-5,481
Closed -$3.46M 3357
2021
Q4
$3.46M Sell
5,481
-417
-7% -$256K 0.07% 899
2021
Q3
$3.57M Buy
+5,898
New +$3.66M 0.06% 947
2021
Q1
Sell
-346
Closed -$167K 2048
2020
Q4
$167K Buy
346
+183
+112% +$98.8K ﹤0.01% 1885
2020
Q3
$91K Buy
+163
New +$98.8K ﹤0.01% 2741
2020
Q2
Sell
-5
Closed -$2K 2869
2020
Q1
$2K Sell
5
-8,934
-100% -$3.69M ﹤0.01% 2401
2019
Q4
$3.36M Buy
8,939
+8,588
+2,447% +$2.89M 0.05% 1070
2019
Q3
$97K Sell
351
-236
-40% -$69.8K ﹤0.01% 1986
2019
Q2
$184K Sell
587
-2,435
-81% -$811K ﹤0.01% 1746
2019
Q1
$1.24M Sell
3,022
-45,279
-94% -$18.6M 0.02% 1179
2018
Q4
$18M Buy
+48,301
New +$17.7M 0.3% 364
2018
Q3
Sell
-20,645
Closed -$7.86M 3537
2018
Q2
$7.12M Buy
20,645
+12,793
+163% +$4M 0.23% 525
2018
Q1
$2.7M Buy
7,852
+4,553
+138% +$1.58M 0.07% 691
2017
Q4
$1.24M Sell
3,299
-222
-6% -$89.9K 0.03% 1108
2017
Q3
$1.57M Buy
3,521
+2,015
+134% +$959K 0.06% 916
2017
Q2
$740K Sell
1,506
-10,077
-87% -$4.41M 0.03% 1120
2017
Q1
$4.49M Buy
11,583
+10,723
+1,247% +$3.97M 0.23% 610
2016
Q4
$316K Sell
860
-1,141
-57% -$434K 0.01% 1697
2016
Q3
$804K Sell
2,001
-3,748
-65% -$1.5M 0.03% 1334
2016
Q2
$2.01M Sell
5,749
-218
-4% -$84K 0.1% 928
2016
Q1
$2.15M Buy
5,967
+4,557
+323% +$1.88M 0.13% 883
2015
Q4
$765K Sell
1,410
-379
-21% -$205K 0.03% 1375
2015
Q3
$832K Buy
1,789
+153
+9% +$82.2K 0.03% 1352
2015
Q2
$835K Sell
1,636
-1,523
-48% -$743K 0.03% 1412
2015
Q1
$1.43M Buy
3,159
+2,175
+221% +$922K 0.05% 1150
2014
Q4
$404K Buy
984
+968
+6,050% +$381K 0.01% 2222
2014
Q3
$6K Sell
16
-21
-57% -$7.04K ﹤0.01% 3966
2014
Q2
$10K Sell
37
-25,055
-100% -$7.43M ﹤0.01% 3749
2014
Q1
$7.54M Buy
+25,092
New +$7.73M 0.42% 300

Other funds holding REGN