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Paloma Partners’s Regeneron Pharmaceuticals REGN Stock Holding History

Paloma Partners’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
2024
Q3 		– Sell
-600
Closed -$631K – 1601
2024
Q2 		$631K Buy
+600
New +$582K 0.02% 655
2023
Q3 		– Sell
-400
Closed -$287K – 892
2023
Q2 		$287K Buy
+400
New +$308K 0.01% 560
2020
Q1 		– Sell
-17,100
Closed -$6.42M – 1930
2019
Q4 		$6.42M Buy
17,100
+6,300
+58% +$2.12M 0.1% 175
2019
Q3 		$3M Buy
10,800
+2,700
+33% +$799K 0.06% 267
2019
Q2 		$2.54M Sell
8,100
-2,800
-26% -$932K 0.04% 333
2019
Q1 		$4.48M Buy
10,900
+8,200
+304% +$3.38M 0.11% 197
2018
Q4 		$1.01M Sell
2,700
-13,800
-84% -$5.05M 0.03% 452
2018
Q3 		$6.67M Buy
+16,500
New +$6.28M 0.12% 131
2018
Q2 		– Sell
-21,000
Closed -$7.23M – 2105
2018
Q1 		$7.23M Sell
21,000
-17,700
-46% -$6.16M 0.11% 113
2017
Q4 		$14.6M Buy
38,700
+17,800
+85% +$7.21M 0.2% 75
2017
Q3 		$9.35M Sell
20,900
-2,200
-10% -$1.05M 0.13% 124
2017
Q2 		$11.3M Sell
23,100
-46,400
-67% -$20.3M 0.13% 106
2017
Q1 		$26.9M Sell
69,500
-35,400
-34% -$13.1M 0.32% 39
2016
Q4 		$38.5M Sell
104,900
-27,200
-21% -$10.3M 0.38% 26
2016
Q3 		$53.1M Buy
132,100
+128,100
+3,203% +$51.4M 0.66% 23
2016
Q2 		$1.4M Hold
4,000
– – 0.02% 937
2016
Q1 		$1.44M Sell
4,000
-5,600
-58% -$2.31M 0.02% 647
2015
Q4 		$5.21M Sell
9,600
-101,400
-91% -$54.9M 0.14% 115
2015
Q3 		$51.6M Buy
111,000
+73,400
+195% +$39.4M 1.2% 9
2015
Q2 		$19.2M Buy
+37,600
New +$18.3M 0.37% 52

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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 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

Paloma Partners's REGN Position: Q2 2025 in Review

Paloma Partners sold out of Regeneron Pharmaceuticals (REGN) in Q2 2025, closing a stake of 352 shares — an estimated $223K sold.

Paloma Partners first reported a position in REGN in Q2 2013 and held it in 34 quarters. The position peaked at $43.5M in Q3 2015. 1,202 funds tracked by Wall St. Rank hold REGN as of Q2 2025.

  • Paloma Partners reported no remaining Regeneron Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
  • Paloma Partners sold 352 Regeneron Pharmaceuticals shares in Q2 2025, an estimated $223K.
  • Paloma Partners first reported a position in Regeneron Pharmaceuticals in Q2 2013 and held it in 34 quarters.
  • Paloma Partners's Regeneron Pharmaceuticals position peaked at $43.5M in Q3 2015.
  • 1,202 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2025.

Based on Paloma Partners's 13F filing for Q2 2025, filed 14 Aug 2025.