TSS
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Two Sigma Securities’s Regeneron Pharmaceuticals REGN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$1.03M Buy
1,968
+1,024
+108% +$538K 0.13% 198
2025
Q1
$599K Sell
944
-550
-37% -$349K 0.09% 285
2024
Q4
$1.06M Sell
1,494
-206
-12% -$147K 0.14% 98
2024
Q3
$1.79M Buy
+1,700
New +$1.79M 0.03% 145
2024
Q2
Hold
0
2043
2024
Q1
Sell
-7,967
Closed -$7M 2015
2023
Q4
$7M Buy
7,967
+7,681
+2,686% +$6.75M 0.07% 58
2023
Q3
$235K Sell
286
-4,287
-94% -$3.53M ﹤0.01% 727
2023
Q2
$3.29M Sell
4,573
-1,490
-25% -$1.07M 0.05% 66
2023
Q1
$4.98M Buy
+6,063
New +$4.98M 0.1% 47
2022
Q4
Sell
-1,171
Closed -$807K 1883
2022
Q3
$807K Sell
1,171
-99
-8% -$68.2K 0.02% 216
2022
Q2
$751K Sell
1,270
-4,375
-78% -$2.59M 0.03% 190
2022
Q1
$3.94M Buy
5,645
+3,034
+116% +$2.12M 0.14% 28
2021
Q4
$1.65M Buy
2,611
+1,850
+243% +$1.17M 0.07% 56
2021
Q3
$461K Sell
761
-493
-39% -$299K 0.01% 274
2021
Q2
$700K Buy
1,254
+161
+15% +$89.9K 0.02% 130
2021
Q1
$517K Sell
1,093
-441
-29% -$209K 0.03% 139
2020
Q4
$741K Buy
1,534
+866
+130% +$418K 0.02% 93
2020
Q3
$374K Sell
668
-6
-0.9% -$3.36K 0.01% 196
2020
Q2
$420K Buy
+674
New +$420K 0.01% 192
2020
Q1
Sell
-1,032
Closed -$387K 1160
2019
Q4
$387K Sell
1,032
-3,629
-78% -$1.36M ﹤0.01% 322
2019
Q3
$1.29M Buy
4,661
+3,680
+375% +$1.02M 0.01% 105
2019
Q2
$307K Buy
+981
New +$307K ﹤0.01% 405
2019
Q1
Sell
-2,397
Closed -$895K 1350
2018
Q4
$895K Sell
2,397
-3,209
-57% -$1.2M 0.01% 154
2018
Q3
$2.27M Sell
5,606
-680
-11% -$275K 0.01% 63
2018
Q2
$2.17M Buy
6,286
+3,209
+104% +$1.11M 0.01% 115
2018
Q1
$1.06M Buy
3,077
+2,172
+240% +$748K 0.01% 266
2017
Q4
$340K Sell
905
-134
-13% -$50.3K 0.01% 360
2017
Q3
$465K Buy
1,039
+279
+37% +$125K 0.04% 260
2017
Q2
$373K Buy
+760
New +$373K 0.07% 275
2016
Q4
Sell
-627
Closed -$252K 900
2016
Q3
$252K Buy
+627
New +$252K 0.09% 343
2016
Q1
Sell
-505
Closed -$274K 373
2015
Q4
$274K Buy
+505
New +$274K 0.33% 71