Michael Burry
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Michael Burry’s Regeneron Pharmaceuticals REGN Stock Holding History

Michael Burry’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 		– Sell
-15,000
Closed -$7.88M – 19
2025
Q2 		$7.88M Buy
+15,000
New +$8.37M 1.36% 13

Other funds holding REGN

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $79.8B AUM 16.05% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Michael Burry's REGN Position: Q3 2025 in Review

Michael Burry sold out of Regeneron Pharmaceuticals (REGN) in Q3 2025, closing a stake of 15,000 shares — an estimated $7.88M sold.

Michael Burry first reported a position in REGN in Q2 2025 and held it in 1 quarter. The position peaked at $7.88M in Q2 2025. 1,247 funds tracked by Wall St. Rank hold REGN as of Q3 2025.

  • Michael Burry reported no remaining Regeneron Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • Michael Burry sold 15,000 Regeneron Pharmaceuticals shares in Q3 2025, an estimated $7.88M.
  • Michael Burry first reported a position in Regeneron Pharmaceuticals in Q2 2025 and held it in 1 quarter.
  • Michael Burry's Regeneron Pharmaceuticals position peaked at $7.88M in Q2 2025.
  • 1,247 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2025.

Based on Scion Asset Management's 13F filing for Q3 2025, filed 3 Nov 2025.