Parallax Volatility Advisers
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Parallax Volatility Advisers’s Regeneron Pharmaceuticals REGN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-9,197
Closed -$5.83M 796
2025
Q1
$5.83M Buy
+9,197
New +$5.83M 0.02% 115
2024
Q4
Sell
-12,144
Closed -$12.8M 946
2024
Q3
$12.8M Buy
12,144
+1,148
+10% +$1.21M 0.02% 68
2024
Q2
$11.6M Sell
10,996
-2,004
-15% -$2.11M 0.02% 71
2024
Q1
$12.5M Buy
+13,000
New +$12.5M 0.03% 60
2023
Q4
Hold
0
1005
2023
Q3
Hold
0
1044
2023
Q2
Sell
-60
Closed -$49.3K 1107
2023
Q1
$49.3K Hold
60
﹤0.01% 583
2022
Q4
$43.3K Hold
60
﹤0.01% 626
2022
Q3
$41K Sell
60
-3,141
-98% -$2.15M ﹤0.01% 769
2022
Q2
$1.89M Buy
+3,201
New +$1.89M ﹤0.01% 295
2022
Q1
Sell
-5,481
Closed -$3.46M 1360
2021
Q4
$3.46M Sell
5,481
-417
-7% -$263K ﹤0.01% 173
2021
Q3
$3.57M Buy
+5,898
New +$3.57M ﹤0.01% 193
2021
Q1
Sell
-346
Closed -$167K 803
2020
Q4
$167K Buy
346
+183
+112% +$88.3K ﹤0.01% 689
2020
Q3
$91K Buy
+163
New +$91K ﹤0.01% 1009
2020
Q2
Sell
-5
Closed -$2K 1093
2020
Q1
$2K Sell
5
-8,934
-100% -$3.57M ﹤0.01% 925
2019
Q4
$3.36M Buy
8,939
+8,588
+2,447% +$3.22M ﹤0.01% 264
2019
Q3
$97K Sell
351
-236
-40% -$65.2K ﹤0.01% 683
2019
Q2
$184K Sell
587
-2,435
-81% -$763K ﹤0.01% 557
2019
Q1
$1.24M Sell
3,022
-45,279
-94% -$18.6M ﹤0.01% 272
2018
Q4
$18M Buy
+48,301
New +$18M 0.02% 65
2018
Q3
Sell
-20,645
Closed -$7.12M 2158
2018
Q2
$7.12M Buy
20,645
+12,793
+163% +$4.41M 0.01% 89
2018
Q1
$2.7M Buy
7,852
+4,553
+138% +$1.57M ﹤0.01% 146
2017
Q4
$1.24M Sell
3,299
-222
-6% -$83.4K ﹤0.01% 298
2017
Q3
$1.57M Buy
3,521
+2,015
+134% +$901K ﹤0.01% 173
2017
Q2
$740K Sell
1,506
-10,077
-87% -$4.95M ﹤0.01% 247
2017
Q1
$4.49M Buy
11,583
+10,723
+1,247% +$4.16M 0.01% 93
2016
Q4
$316K Sell
860
-1,141
-57% -$419K ﹤0.01% 359
2016
Q3
$804K Sell
2,001
-3,748
-65% -$1.51M ﹤0.01% 268
2016
Q2
$2.01M Sell
5,749
-218
-4% -$76.1K ﹤0.01% 151
2016
Q1
$2.15M Buy
5,967
+4,557
+323% +$1.64M ﹤0.01% 117
2015
Q4
$765K Sell
1,410
-379
-21% -$206K ﹤0.01% 301
2015
Q3
$832K Buy
1,789
+153
+9% +$71.2K ﹤0.01% 327
2015
Q2
$835K Sell
1,636
-1,523
-48% -$777K ﹤0.01% 352
2015
Q1
$1.43M Buy
3,159
+2,175
+221% +$982K ﹤0.01% 266
2014
Q4
$404K Buy
984
+968
+6,050% +$397K ﹤0.01% 597
2014
Q3
$6K Sell
16
-21
-57% -$7.88K ﹤0.01% 1184
2014
Q2
$10K Sell
37
-25,055
-100% -$6.77M ﹤0.01% 1167
2014
Q1
$7.54M Buy
+25,092
New +$7.54M 0.04% 46