Group One Trading
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Group One Trading’s Regeneron Pharmaceuticals REGN Stock Holding History

Group One Trading’s Portfolio REGN Stock Details REGN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$13.8M Buy
22,100
+7,000
+46% +$4.76M 0.02% 758
2026
Q1 		$11.7M Sell
15,100
-13,200
-47% -$10.1M 0.02% 743
2025
Q4 		$21.8M Buy
28,300
+23,500
+490% +$16M 0.04% 498
2025
Q3 		$2.7M Sell
4,800
-7,800
-62% -$4.41M ﹤0.01% 2009
2025
Q2 		$6.62M Sell
12,600
-11,700
-48% -$6.53M 0.01% 1117
2025
Q1 		$15.4M Buy
24,300
+14,800
+156% +$10.2M 0.04% 418
2024
Q4 		$6.77M Sell
9,500
-4,400
-32% -$3.69M 0.02% 944
2024
Q3 		$14.6M Buy
13,900
+4,400
+46% +$4.9M 0.04% 416
2024
Q2 		$9.98M Sell
9,500
-100
-1% -$96.9K 0.04% 448
2024
Q1 		$9.24M Sell
9,600
-17,000
-64% -$16.2M 0.04% 479
2023
Q4 		$23.4M Sell
26,600
-5,300
-17% -$4.36M 0.06% 287
2023
Q3 		$26.3M Sell
31,900
-93,700
-75% -$73.6M 0.09% 150
2023
Q2 		$90.2M Buy
125,600
+7,200
+6% +$5.55M 0.29% 39
2023
Q1 		$97.3M Buy
118,400
+38,300
+48% +$28.9M 0.35% 29
2022
Q4 		$57.8M Buy
80,100
+16,300
+26% +$12M 0.13% 124
2022
Q3 		$44M Buy
63,800
+7,300
+13% +$4.59M 0.09% 152
2022
Q2 		$33.4M Sell
56,500
-500
-0.9% -$325K 0.05% 293
2022
Q1 		$39.8M Sell
57,000
-74,200
-57% -$46.9M 0.04% 321
2021
Q4 		$82.9M Sell
131,200
-200
-0.2% -$123K 0.07% 194
2021
Q3 		$79.5M Buy
131,400
+23,200
+21% +$14.4M 0.09% 155
2021
Q2 		$60.4M Buy
108,200
+6,400
+6% +$3.24M 0.07% 208
2021
Q1 		$48.2M Buy
101,800
+15,300
+18% +$7.45M 0.07% 228
2020
Q4 		$41.8M Buy
86,500
+76,700
+783% +$41.4M 0.07% 228
2020
Q3 		$5.49M Sell
9,800
-1,900
-16% -$1.15M 0.02% 863
2020
Q2 		$7.3M Buy
11,700
+7,900
+208% +$4.48M 0.03% 583
2020
Q1 		$1.86M Buy
+3,800
New +$1.57M 0.02% 1094

Other funds holding REGN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Group One Trading's REGN Position: Q2 2026 in Review

Group One Trading reduced its Regeneron Pharmaceuticals (REGN) stake by 32% in Q2 2026, selling an estimated $1.18M and leaving 3,668 shares worth $2.29M. The position accounts for ﹤0.01% of the portfolio, ranked #2099.

Group One Trading first reported a position in REGN in Q2 2013 and has held it in 11 quarters since. The position peaked at $4.17M in Q1 2026. 1,335 funds tracked by Wall St. Rank hold REGN as of Q2 2026.

  • Group One Trading held 3,668 shares of Regeneron Pharmaceuticals worth $2.29M as of Q2 2026.
  • Group One Trading sold 1,731 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $1.18M.
  • Regeneron Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #2099 holding.
  • Group One Trading first reported a position in Regeneron Pharmaceuticals in Q2 2013 and has held it in 11 quarters since.
  • Group One Trading's Regeneron Pharmaceuticals position peaked at $4.17M in Q1 2026.
  • 1,335 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.