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Two Sigma Securities’s Regeneron Pharmaceuticals REGN Stock Holding History

Two Sigma Securities’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
2025
Q1 		– Sell
-300
Closed -$214K – 2071
2024
Q4 		$214K Sell
300
-1,500
-83% -$1.26M 0.03% 934
2024
Q3 		$1.89M Sell
1,800
-2,400
-57% -$2.67M 0.03% 568
2024
Q2 		$4.41M Sell
4,200
-300
-7% -$291K 0.05% 386
2024
Q1 		$4.33M Buy
4,500
+700
+18% +$666K 0.04% 449
2023
Q4 		$3.34M Sell
3,800
-900
-19% -$741K 0.03% 496
2023
Q3 		$3.87M Buy
4,700
+2,300
+96% +$1.81M 0.04% 436
2023
Q2 		$1.72M Sell
2,400
-6,500
-73% -$5.01M 0.03% 682
2023
Q1 		$7.31M Buy
+8,900
New +$6.71M 0.15% 154
2022
Q4 		– Sell
-1,000
Closed -$689K – 3147
2022
Q3 		$689K Buy
+1,000
New +$629K 0.02% 853
2022
Q2 		– Sell
-6,100
Closed -$4.26M – 2747
2022
Q1 		$4.26M Buy
6,100
+5,700
+1,425% +$3.61M 0.15% 157
2021
Q4 		$253K Sell
400
-400
-50% -$246K 0.01% 927
2021
Q3 		$484K Buy
800
+100
+14% +$62.1K 0.01% 780
2021
Q2 		$391K Buy
+700
New +$355K 0.01% 810
2021
Q1 		– Sell
-2,200
Closed -$1.06M – 1571
2020
Q4 		$1.06M Buy
2,200
+400
+22% +$216K 0.03% 381
2020
Q3 		$1.01M Sell
1,800
-2,600
-59% -$1.58M 0.02% 348
2020
Q2 		$2.74M Buy
4,400
+3,800
+633% +$2.16M 0.06% 172
2020
Q1 		$293K Sell
600
-18,700
-97% -$7.71M 0.01% 867
2019
Q4 		$7.25M Buy
19,300
+9,500
+97% +$3.2M 0.05% 300
2019
Q3 		$2.72M Sell
9,800
-8,800
-47% -$2.6M 0.02% 487
2019
Q2 		$5.82M Buy
18,600
+7,800
+72% +$2.6M 0.06% 207
2019
Q1 		$4.43M Buy
10,800
+2,100
+24% +$865K 0.04% 189
2018
Q4 		$3.25M Sell
8,700
-12,400
-59% -$4.54M 0.04% 239
2018
Q3 		$8.53M Sell
21,100
-5,200
-20% -$1.98M 0.06% 244
2018
Q2 		$9.07M Buy
26,300
+5,300
+25% +$1.66M 0.05% 297
2018
Q1 		$7.23M Buy
+21,000
New +$7.3M 0.04% 366

Other funds holding REGN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

Two Sigma Securities's REGN Position: Q1 2026 in Review

Two Sigma Securities opened a new position in Regeneron Pharmaceuticals (REGN) in Q1 2026: 1,135 shares worth $877K. The stake represents 0.1% of the portfolio and ranks #252 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in REGN as recently as Q3 2025.

Two Sigma Securities first reported a position in REGN in Q4 2015 and has held it in 32 quarters since. The position peaked at $7M in Q4 2023. 1,392 funds tracked by Wall St. Rank hold REGN as of Q1 2026.

  • Two Sigma Securities held 1,135 shares of Regeneron Pharmaceuticals worth $877K as of Q1 2026.
  • Regeneron Pharmaceuticals was a new Two Sigma Securities position in Q1 2026.
  • Regeneron Pharmaceuticals made up 0.1% of Two Sigma Securities's portfolio in Q1 2026, its #252 holding.
  • Two Sigma Securities first reported a position in Regeneron Pharmaceuticals in Q4 2015 and has held it in 32 quarters since.
  • Two Sigma Securities's Regeneron Pharmaceuticals position peaked at $7M in Q4 2023.
  • 1,392 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.