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
$76.2M Sell
98,600
-22,300
-18% -$17.1M 0.03% 364
2025
Q4
$93.3M Buy
120,900
+900
+0.8% +$611K 0.03% 304
2025
Q3
$67.5M Buy
120,000
+8,300
+7% +$4.69M 0.02% 374
2025
Q2
$58.6M Buy
111,700
+41,500
+59% +$23.2M 0.03% 343
2025
Q1
$44.5M Buy
70,200
+28,500
+68% +$19.6M 0.03% 349
2024
Q4
$29.7M Buy
41,700
+31,700
+317% +$26.6M 0.01% 473
2024
Q3
$10.5M Sell
10,000
-1,500
-13% -$1.67M 0.01% 797
2024
Q2
$12.1M Sell
11,500
-2,600
-18% -$2.52M 0.01% 713
2024
Q1
$13.6M Sell
14,100
-10,300
-42% -$9.79M 0.01% 593
2023
Q4
$21.4M Buy
24,400
+7,900
+48% +$6.51M 0.01% 438
2023
Q3
$13.6M Sell
16,500
-33,200
-67% -$26.1M 0.01% 471
2023
Q2
$35.7M Buy
49,700
+12,100
+32% +$9.33M 0.03% 254
2023
Q1
$30.9M Buy
37,600
+15,400
+69% +$11.6M 0.04% 249
2022
Q4
$16M Sell
22,200
-4,000
-15% -$2.95M 0.03% 357
2022
Q3
$18M Buy
+26,200
New +$16.5M 0.02% 311
2022
Q1
Sell
-23,700
Closed -$15M 1208
2021
Q4
$15M Sell
23,700
-18,000
-43% -$11.1M 0.01% 415
2021
Q3
$25.2M Buy
41,700
+16,300
+64% +$10.1M 0.03% 311
2021
Q2
$14.2M Sell
25,400
-19,500
-43% -$9.88M 0.02% 392
2021
Q1
$21.2M Sell
44,900
-28,200
-39% -$13.7M 0.03% 277
2020
Q4
$35.3M Buy
73,100
+38,000
+108% +$20.5M 0.05% 173
2020
Q3
$19.6M Sell
35,100
-4,300
-11% -$2.61M 0.03% 210
2020
Q2
$24.6M Sell
39,400
-11,900
-23% -$6.75M 0.05% 130
2020
Q1
$25M Sell
51,300
-500
-1% -$206K 0.05% 115
2019
Q4
$19.4M Buy
51,800
+38,700
+295% +$13M 0.05% 132
2019
Q3
$3.63M Sell
13,100
-13,200
-50% -$3.91M 0.01% 348
2019
Q2
$8.23M Buy
26,300
+7,300
+38% +$2.43M 0.03% 200
2019
Q1
$7.8M Sell
19,000
-5,200
-21% -$2.14M 0.03% 175
2018
Q4
$9.04M Buy
+24,200
New +$8.86M 0.03% 131

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.