ECM
REGN icon

Eisler Capital Management’s Regeneron Pharmaceuticals REGN Stock Holding History

Eisler Capital Management’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
Q3 		$16.1M Hold
28,100
– – 0.07% 157
2025
Q2 		$14.7M Sell
28,100
-1,200
-4% -$670K 0.09% 201
2025
Q1 		$18.6M Sell
29,300
-4,700
-14% -$3.23M 0.13% 183
2024
Q4 		$24.3M Buy
+34,000
New +$28.5M 0.12% 160

Other funds holding REGN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Eisler Capital Management's REGN Position: Q3 2025 in Review

Eisler Capital Management reduced its Regeneron Pharmaceuticals (REGN) stake by 37% in Q3 2025, selling an estimated $1.27M and leaving 3,838 shares worth $2.2M. The position accounts for 0.01% of the portfolio, ranked #481.

Eisler Capital Management first reported a position in REGN in Q4 2024 and has held it in 4 quarters since. The position peaked at $5.36M in Q4 2024. 1,244 funds tracked by Wall St. Rank hold REGN as of Q3 2025.

  • Eisler Capital Management held 3,838 shares of Regeneron Pharmaceuticals worth $2.2M as of Q3 2025.
  • Eisler Capital Management sold 2,254 Regeneron Pharmaceuticals shares in Q3 2025, an estimated $1.27M.
  • Regeneron Pharmaceuticals made up 0.01% of Eisler Capital Management's portfolio in Q3 2025, its #481 holding.
  • Eisler Capital Management first reported a position in Regeneron Pharmaceuticals in Q4 2024 and has held it in 4 quarters since.
  • Eisler Capital Management's Regeneron Pharmaceuticals position peaked at $5.36M in Q4 2024.
  • 1,244 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2025.

Based on Eisler Capital Management's 13F filing for Q3 2025, filed 13 Nov 2025.