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MBB Public Markets’s Regeneron Pharmaceuticals REGN Stock Holding History

MBB Public Markets’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
-386
Closed -$203K – 397
2025
Q2 		$203K Sell
386
-90
-19% -$50.2K 0.02% 495
2025
Q1 		$302K Buy
+476
New +$327K 0.03% 430
2024
Q4 		– Sell
-270
Closed -$284K – 460
2024
Q3 		$284K Sell
270
-7,262
-96% -$8.08M 0.02% 481
2024
Q2 		$7.92M Buy
7,532
+7,189
+2,096% +$6.97M 0.16% 117
2024
Q1 		$330K Buy
+343
New +$326K 0.02% 193
2022
Q1 		– Sell
-816
Closed -$515K – 370
2021
Q4 		$515K Buy
+816
New +$502K 0.01% 225

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

MBB Public Markets's REGN Position: Q3 2025 in Review

MBB Public Markets sold out of Regeneron Pharmaceuticals (REGN) in Q3 2025, closing a stake of 386 shares — an estimated $203K sold.

MBB Public Markets first reported a position in REGN in Q4 2021 and held it in 6 quarters. The position peaked at $7.92M in Q2 2024. 1,244 funds tracked by Wall St. Rank hold REGN as of Q3 2025.

  • MBB Public Markets reported no remaining Regeneron Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • MBB Public Markets sold 386 Regeneron Pharmaceuticals shares in Q3 2025, an estimated $203K.
  • MBB Public Markets first reported a position in Regeneron Pharmaceuticals in Q4 2021 and held it in 6 quarters.
  • MBB Public Markets's Regeneron Pharmaceuticals position peaked at $7.92M in Q2 2024.
  • 1,244 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2025.

Based on MBB Public Markets's 13F filing for Q3 2025, filed 14 Nov 2025.