Twin Tree Management’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-4,891
Closed -$2.57M 1989
2025
Q2
$2.57M Buy
+4,891
New +$2.73M 0.06% 1195
2025
Q1
Hold
0
2046
2024
Q4
Sell
-155
Closed -$130K 2054
2024
Q3
$163K Sell
155
-8,887
-98% -$9.89M ﹤0.01% 1363
2024
Q2
$9.5M Sell
9,042
-1,537
-15% -$1.49M 0.28% 586
2024
Q1
$10.2M Sell
10,579
-3,399
-24% -$3.23M 0.23% 641
2023
Q4
$12.3M Buy
+13,978
New +$11.5M 0.22% 631
2023
Q3
Sell
-2,532
Closed -$1.82M 1604
2023
Q2
$1.82M Sell
2,532
-31,504
-93% -$24.3M 0.04% 940
2023
Q1
$28M Buy
34,036
+15,252
+81% +$11.5M 0.79% 307
2022
Q4
$13.6M Sell
18,784
-18,850
-50% -$13.9M 0.42% 489
2022
Q3
$25.9M Buy
+37,634
New +$23.7M 0.71% 316
2022
Q1
Sell
-845
Closed -$534K 1955
2021
Q4
$534K Sell
845
-28,632
-97% -$17.6M 0.01% 1330
2021
Q3
$17.8M Buy
29,477
+1,415
+5% +$878K 0.53% 399
2021
Q2
$15.7M Buy
28,062
+23,178
+475% +$11.7M 0.47% 395
2021
Q1
$2.31M Buy
+4,884
New +$2.38M 0.09% 814
2020
Q4
Sell
-1,757
Closed -$948K 1571
2020
Q3
$984K Sell
1,757
-3,587
-67% -$2.17M 0.05% 900
2020
Q2
$3.33M Sell
5,344
-4,352
-45% -$2.47M 0.17% 752
2020
Q1
$4.73M Buy
+9,696
New +$4M 0.23% 502
2019
Q2
Sell
-4,967
Closed -$2.04M 1610
2019
Q1
$2.04M Buy
+4,967
New +$2.05M 0.15% 671
2018
Q4
Hold
0
1576
2018
Q3
Sell
-23,082
Closed -$8.78M 1348
2018
Q2
$7.96M Buy
+23,082
New +$7.22M 0.5% 314
2018
Q1
Sell
-7,879
Closed -$2.74M 1366
2017
Q4
$2.96M Buy
7,879
+7,482
+1,885% +$3.03M 0.25% 516
2017
Q3
$178K Buy
+397
New +$189K 0.02% 831
2017
Q2
Sell
-28,945
Closed -$12.7M 1223
2017
Q1
$11.2M Buy
28,945
+24,442
+543% +$9.06M 1.19% 206
2016
Q4
$1.65M Sell
4,503
-10,029
-69% -$3.81M 0.17% 674
2016
Q3
$5.84M Buy
14,532
+9,751
+204% +$3.91M 0.87% 261
2016
Q2
$1.67M Buy
4,781
+1,397
+41% +$538K 0.34% 525
2016
Q1
$1.22M Buy
3,384
+2,237
+195% +$922K 0.31% 546
2015
Q4
$623K Buy
1,147
+351
+44% +$190K 0.15% 794
2015
Q3
$370K Buy
796
+702
+747% +$377K 0.12% 868
2015
Q2
$48K Sell
94
-655
-87% -$320K 0.01% 1211
2015
Q1
$338K Buy
+749
New +$317K 0.13% 882
2014
Q4
Hold
0
1246
2014
Q3
Sell
-3,186
Closed -$1.07M 1167
2014
Q2
$900K Buy
+3,186
New +$944K 0.31% 594
2014
Q1
Hold
0
1122
2013
Q3
Sell
-1,201
Closed -$270K 945
2013
Q2
$270K Buy
+1,201
New +$280K 0.24% 677

Other funds holding REGN