Two Sigma Securities’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
Q2
$3.59M Buy
5,761
+4,626
+408% +$3.15M 0.31% 55
2026
Q1
$877K Buy
+1,135
New +$869K 0.1% 252
2025
Q4
Sell
-445
Closed -$250K 1923
2025
Q3
$250K Sell
445
-1,523
-77% -$861K 0.04% 679
2025
Q2
$1.03M Buy
1,968
+1,024
+108% +$572K 0.13% 198
2025
Q1
$599K Sell
944
-550
-37% -$378K 0.09% 289
2024
Q4
$1.06M Sell
1,494
-206
-12% -$173K 0.14% 139
2024
Q3
$1.79M Buy
+1,700
New +$1.89M 0.03% 593
2024
Q1
Sell
-7,967
Closed -$7.58M 3531
2023
Q4
$7M Buy
7,967
+7,681
+2,686% +$6.33M 0.07% 283
2023
Q3
$235K Sell
286
-4,287
-94% -$3.37M ﹤0.01% 2161
2023
Q2
$3.29M Sell
4,573
-1,490
-25% -$1.15M 0.05% 416
2023
Q1
$4.98M Buy
+6,063
New +$4.57M 0.1% 238
2022
Q4
Sell
-1,171
Closed -$864K 3146
2022
Q3
$807K Sell
1,171
-99
-8% -$62.3K 0.02% 770
2022
Q2
$751K Sell
1,270
-4,375
-78% -$2.84M 0.03% 676
2022
Q1
$3.94M Buy
5,645
+3,034
+116% +$1.92M 0.14% 175
2021
Q4
$1.65M Buy
2,611
+1,850
+243% +$1.14M 0.07% 151
2021
Q3
$461K Sell
761
-493
-39% -$306K 0.01% 798
2021
Q2
$700K Buy
1,254
+161
+15% +$81.6K 0.02% 514
2021
Q1
$517K Sell
1,093
-441
-29% -$215K 0.03% 278
2020
Q4
$741K Buy
1,534
+866
+130% +$467K 0.02% 501
2020
Q3
$374K Sell
668
-6
-0.9% -$3.64K 0.01% 748
2020
Q2
$420K Buy
+674
New +$383K 0.01% 709
2020
Q1
Sell
-1,032
Closed -$426K 2123
2019
Q4
$387K Sell
1,032
-3,629
-78% -$1.22M ﹤0.01% 1620
2019
Q3
$1.29M Buy
4,661
+3,680
+375% +$1.09M 0.01% 767
2019
Q2
$307K Buy
+981
New +$327K ﹤0.01% 1440
2019
Q1
Sell
-2,397
Closed -$987K 2332
2018
Q4
$895K Sell
2,397
-3,209
-57% -$1.17M 0.01% 689
2018
Q3
$2.27M Sell
5,606
-680
-11% -$259K 0.01% 651
2018
Q2
$2.17M Buy
6,286
+3,209
+104% +$1M 0.01% 883
2018
Q1
$1.06M Buy
3,077
+2,172
+240% +$755K 0.01% 1226
2017
Q4
$340K Sell
905
-134
-13% -$54.3K 0.01% 923
2017
Q3
$465K Buy
1,039
+279
+37% +$133K 0.04% 275
2017
Q2
$373K Buy
+760
New +$333K 0.07% 276
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

Other funds holding REGN

Two Sigma Securities's REGN Position: Q2 2026 in Review

Two Sigma Securities increased its Regeneron Pharmaceuticals (REGN) stake by 408% in Q2 2026, buying an estimated $3.15M and bringing the position to 5,761 shares worth $3.59M. The position accounts for 0.31% of the portfolio, ranked #55.

Two Sigma Securities first reported a position in REGN in Q4 2015 and has held it in 33 quarters since. The position peaked at $7M in Q4 2023. 1,332 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • Two Sigma Securities held 5,761 shares of Regeneron Pharmaceuticals worth $3.59M as of Q2 2026.
  • Two Sigma Securities bought 4,626 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $3.15M.
  • Regeneron Pharmaceuticals made up 0.31% of Two Sigma Securities's portfolio in Q2 2026, its #55 holding.
  • Two Sigma Securities first reported a position in Regeneron Pharmaceuticals in Q4 2015 and has held it in 33 quarters since.
  • Two Sigma Securities's Regeneron Pharmaceuticals position peaked at $7M in Q4 2023.
  • 1,332 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.