Group One Trading’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
$37.3M Buy
48,300
+28,300
+142% +$21.7M 0.07% 262
2025
Q4
$15.4M Sell
20,000
-22,900
-53% -$15.6M 0.03% 684
2025
Q3
$24.1M Buy
42,900
+38,200
+813% +$21.6M 0.04% 428
2025
Q2
$2.47M Buy
4,700
+1,200
+34% +$670K 0.01% 1930
2025
Q1
$2.22M Buy
3,500
+3,400
+3,400% +$2.34M 0.01% 1730
2024
Q4
$71.2K Hold
100
﹤0.01% 4798
2024
Q3
$105K Hold
100
﹤0.01% 4135
2024
Q2
$105K Sell
100
-1,400
-93% -$1.36M ﹤0.01% 3927
2024
Q1
$1.44M Sell
1,500
-1,100
-42% -$1.05M 0.01% 1766
2023
Q4
$2.28M Hold
2,600
0.01% 1756
2023
Q3
$2.14M Sell
2,600
-700
-21% -$550K 0.01% 1591
2023
Q2
$2.37M Sell
3,300
-12,700
-79% -$9.79M 0.01% 1546
2023
Q1
$13.1M Sell
16,000
-3,600
-18% -$2.72M 0.05% 349
2022
Q4
$14.1M Buy
19,600
+6,500
+50% +$4.8M 0.03% 547
2022
Q3
$9.02M Buy
13,100
+1,300
+11% +$818K 0.02% 793
2022
Q2
$6.97M Sell
11,800
-12,400
-51% -$8.06M 0.01% 1079
2022
Q1
$16.9M Sell
24,200
-20,700
-46% -$13.1M 0.02% 697
2021
Q4
$28.4M Buy
44,900
+19,300
+75% +$11.9M 0.02% 512
2021
Q3
$15.5M Buy
25,600
+20,700
+422% +$12.9M 0.02% 764
2021
Q2
$2.74M Sell
4,900
-3,800
-44% -$1.93M ﹤0.01% 2314
2021
Q1
$4.12M Sell
8,700
-38,000
-81% -$18.5M 0.01% 1717
2020
Q4
$22.6M Buy
46,700
+41,100
+734% +$22.2M 0.04% 400
2020
Q3
$3.13M Sell
5,600
-26,100
-82% -$15.8M 0.01% 1237
2020
Q2
$19.8M Buy
31,700
+31,500
+15,750% +$17.9M 0.09% 231
2020
Q1
$98K Buy
+200
New +$82.5K ﹤0.01% 3311
2016
Q2
Sell
-800
Closed -$288K 4890
2016
Q1
$288K Hold
800
﹤0.01% 2077
2015
Q4
$434K Buy
+800
New +$433K 0.01% 1927
2014
Q1
Sell
-100
Closed -$28K 5513
2013
Q4
$28K Hold
100
﹤0.01% 4054
2013
Q3
$31K Hold
100
﹤0.01% 3899
2013
Q2
$22K Buy
+100
New +$23.3K ﹤0.01% 4021

Other funds holding REGN

Group One Trading's REGN Position: Q1 2026 in Review

Group One Trading increased its Regeneron Pharmaceuticals (REGN) stake by 69% in Q1 2026, buying an estimated $1.69M and bringing the position to 5,399 shares worth $4.17M. The position accounts for 0.01% of the portfolio, ranked #1446.

Group One Trading first reported a position in REGN in Q2 2013 and has held it in 10 quarters since. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.

  • Group One Trading held 5,399 shares of Regeneron Pharmaceuticals worth $4.17M as of Q1 2026.
  • Group One Trading bought 2,207 Regeneron Pharmaceuticals shares in Q1 2026, an estimated $1.69M.
  • Regeneron Pharmaceuticals made up 0.01% of Group One Trading's portfolio in Q1 2026, its #1446 holding.
  • Group One Trading first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 10 quarters since.
  • 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.