IMC Chicago’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$110M Sell
142,600
-87,300
-38% -$66.8M 0.04% 277
2025
Q4
$177M Buy
229,900
+25,800
+13% +$17.5M 0.06% 184
2025
Q3
$115M Buy
204,100
+75,800
+59% +$42.9M 0.04% 249
2025
Q2
$67.4M Buy
128,300
+54,600
+74% +$30.5M 0.03% 319
2025
Q1
$46.7M Buy
73,700
+28,200
+62% +$19.4M 0.03% 339
2024
Q4
$32.4M Buy
+45,500
New +$38.2M 0.02% 450
2024
Q2
Sell
-16,500
Closed -$15.9M 2756
2024
Q1
$15.9M Buy
16,500
+5,000
+43% +$4.75M 0.01% 540
2023
Q4
$10.1M Sell
11,500
-15,000
-57% -$12.4M 0.01% 644
2023
Q3
$21.8M Sell
26,500
-32,900
-55% -$25.9M 0.02% 359
2023
Q2
$42.7M Buy
59,400
+34,500
+139% +$26.6M 0.04% 219
2023
Q1
$20.5M Buy
24,900
+8,100
+48% +$6.11M 0.02% 327
2022
Q4
$12.1M Sell
16,800
-4,300
-20% -$3.17M 0.02% 422
2022
Q3
$14.5M Buy
+21,100
New +$13.3M 0.02% 365
2022
Q1
Sell
-18,800
Closed -$11.9M 1207
2021
Q4
$11.9M Sell
18,800
-19,500
-51% -$12M 0.01% 460
2021
Q3
$23.2M Buy
38,300
+17,200
+82% +$10.7M 0.02% 332
2021
Q2
$11.8M Sell
21,100
-13,700
-39% -$6.94M 0.01% 425
2021
Q1
$16.5M Sell
34,800
-78,800
-69% -$38.4M 0.02% 331
2020
Q4
$54.9M Buy
113,600
+77,900
+218% +$42.1M 0.07% 122
2020
Q3
$20M Buy
35,700
+6,200
+21% +$3.76M 0.03% 205
2020
Q2
$18.4M Sell
29,500
-20,600
-41% -$11.7M 0.04% 172
2020
Q1
$24.5M Buy
50,100
+15,300
+44% +$6.31M 0.05% 123
2019
Q4
$13.1M Buy
34,800
+19,000
+120% +$6.39M 0.03% 180
2019
Q3
$4.38M Sell
15,800
-16,800
-52% -$4.97M 0.01% 306
2019
Q2
$10.2M Buy
32,600
+16,600
+104% +$5.53M 0.03% 171
2019
Q1
$6.57M Sell
16,000
-4,900
-23% -$2.02M 0.02% 202
2018
Q4
$7.81M Buy
+20,900
New +$7.65M 0.02% 140

Other funds holding REGN

IMC Chicago's REGN Position: Q3 2025 in Review

IMC Chicago sold out of Regeneron Pharmaceuticals (REGN) in Q3 2025, closing a stake of 17,952 shares — an estimated $10.2M sold.

IMC Chicago first reported a position in REGN in Q2 2025 and held it in 1 quarter. The position peaked at $9.42M in Q2 2025. 1,244 funds tracked by Wall St. Rank hold REGN as of Q3 2025.

  • IMC Chicago reported no remaining Regeneron Pharmaceuticals position as of Q3 2025 after selling out during the quarter.
  • IMC Chicago sold 17,952 Regeneron Pharmaceuticals shares in Q3 2025, an estimated $10.2M.
  • IMC Chicago first reported a position in Regeneron Pharmaceuticals in Q2 2025 and held it in 1 quarter.
  • IMC Chicago's Regeneron Pharmaceuticals position peaked at $9.42M in Q2 2025.
  • 1,244 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q3 2025.

Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.