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Campbell & Co Investment Adviser’s Regeneron Pharmaceuticals REGN Stock Holding History

Campbell & Co Investment Adviser’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
-1,345
Closed -$706K – 1343
2025
Q2 		$706K Buy
+1,345
New +$751K 0.04% 654
2025
Q1 		– Sell
-6,882
Closed -$4.9M – 1287
2024
Q4 		$4.9M Buy
6,882
+2,711
+65% +$2.28M 0.38% 46
2024
Q3 		$4.38M Buy
+4,171
New +$4.64M 0.33% 46
2023
Q1 		– Sell
-863
Closed -$623K – 998
2022
Q4 		$623K Sell
863
-2,118
-71% -$1.56M 0.15% 226
2022
Q3 		$2.05M Buy
+2,981
New +$1.88M 0.47% 23
2020
Q4 		– Sell
-800
Closed -$448K – 539
2020
Q3 		$448K Buy
800
+400
+100% +$243K 0.33% 92
2020
Q2 		$249K Buy
+400
New +$227K 0.32% 149
2019
Q3 		– Sell
-921
Closed -$288K – 737
2019
Q2 		$288K Sell
921
-1,468
-61% -$489K 0.13% 320
2019
Q1 		$981K Buy
2,389
+1,713
+253% +$705K 0.48% 26
2018
Q4 		$280K Buy
+676
New +$247K 0.28% 175
2018
Q1 		– Sell
-1,135
Closed -$427K – 508
2017
Q4 		$427K Sell
1,135
-1,081
-49% -$438K 0.32% 94
2017
Q3 		$991K Buy
+2,216
New +$1.05M 0.8% 14
2013
Q4 		– Sell
-2,802
Closed -$877K – 293
2013
Q3 		$877K Buy
+2,802
New +$737K 0.17% 145

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

Campbell & Co Investment Adviser's REGN Position: Q3 2025 in Review

Campbell & Co Investment Adviser sold out of Regeneron Pharmaceuticals (REGN) in Q3 2025, closing a stake of 1,345 shares — an estimated $706K sold.

Campbell & Co Investment Adviser first reported a position in REGN in Q3 2013 and held it in 13 quarters. The position peaked at $4.9M in Q4 2024. 1,244 funds tracked by Wall St. Rank hold REGN as of Q3 2025.

  • Campbell & Co Investment Adviser reported no remaining Regeneron Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • Campbell & Co Investment Adviser sold 1,345 Regeneron Pharmaceuticals shares in Q3 2025, an estimated $706K.
  • Campbell & Co Investment Adviser first reported a position in Regeneron Pharmaceuticals in Q3 2013 and held it in 13 quarters.
  • Campbell & Co Investment Adviser's Regeneron Pharmaceuticals position peaked at $4.9M in Q4 2024.
  • 1,244 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2025.

Based on Campbell & Co Investment Adviser's 13F filing for Q3 2025, filed 28 Oct 2025.