SEI Investments
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SEI Investments’s Regeneron Pharmaceuticals REGN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$17M Buy
32,341
+2,996
+10% +$1.57M 0.02% 766
2025
Q1
$18.6M Buy
29,345
+2,913
+11% +$1.85M 0.02% 706
2024
Q4
$18.8M Sell
26,432
-3,371
-11% -$2.4M 0.02% 709
2024
Q3
$31.3M Buy
29,803
+4,859
+19% +$5.11M 0.04% 479
2024
Q2
$26.2M Buy
24,944
+537
+2% +$564K 0.04% 485
2024
Q1
$23.5M Buy
24,407
+1,839
+8% +$1.77M 0.03% 533
2023
Q4
$19.8M Buy
22,568
+2,440
+12% +$2.14M 0.03% 566
2023
Q3
$16.6M Sell
20,128
-815
-4% -$671K 0.03% 604
2023
Q2
$15.1M Sell
20,943
-6,899
-25% -$4.96M 0.03% 680
2023
Q1
$22.9M Sell
27,842
-3,268
-11% -$2.69M 0.04% 484
2022
Q4
$22.4M Sell
31,110
-818
-3% -$590K 0.05% 419
2022
Q3
$22M Buy
31,928
+3,251
+11% +$2.24M 0.05% 423
2022
Q2
$17M Buy
28,677
+2,834
+11% +$1.68M 0.04% 523
2022
Q1
$18M Sell
25,843
-14,114
-35% -$9.85M 0.04% 511
2021
Q4
$25.4M Buy
39,957
+6,326
+19% +$4.02M 0.05% 403
2021
Q3
$20.5M Sell
33,631
-1,134
-3% -$690K 0.04% 439
2021
Q2
$19.6M Buy
34,765
+4,376
+14% +$2.46M 0.04% 417
2021
Q1
$14.3M Sell
30,389
-4,277
-12% -$2.01M 0.04% 509
2020
Q4
$16.5M Buy
34,666
+2,666
+8% +$1.27M 0.04% 421
2020
Q3
$18M Buy
32,000
+7,676
+32% +$4.33M 0.05% 339
2020
Q2
$15.2M Sell
24,324
-2,441
-9% -$1.52M 0.05% 383
2020
Q1
$12.9M Buy
26,765
+4,333
+19% +$2.09M 0.05% 378
2019
Q4
$8.47M Sell
22,432
-481
-2% -$182K 0.03% 657
2019
Q3
$6.37M Sell
22,913
-3,245
-12% -$902K 0.02% 817
2019
Q2
$8.19M Buy
26,158
+1,927
+8% +$604K 0.03% 671
2019
Q1
$9.95M Buy
24,231
+8,990
+59% +$3.69M 0.03% 543
2018
Q4
$6.16M Hold
15,241
0.02% 781
2018
Q3
$6.16M Sell
15,241
-4,560
-23% -$1.84M 0.02% 757
2018
Q2
$6.83M Sell
19,801
-10,808
-35% -$3.73M 0.02% 764
2018
Q1
$10.5M Sell
30,609
-139,728
-82% -$48.1M 0.04% 489
2017
Q4
$64M Sell
170,337
-14,300
-8% -$5.38M 0.22% 85
2017
Q3
$82.6M Sell
184,637
-42,115
-19% -$18.8M 0.29% 59
2017
Q2
$111M Sell
226,752
-19,849
-8% -$9.75M 0.44% 35
2017
Q1
$95.6M Buy
246,601
+9,426
+4% +$3.65M 0.42% 36
2016
Q4
$87.1M Buy
237,175
+39,958
+20% +$14.7M 0.42% 29
2016
Q3
$79.3M Buy
197,217
+6,801
+4% +$2.73M 0.4% 38
2016
Q2
$66.5M Buy
190,416
+18,844
+11% +$6.58M 0.4% 38
2016
Q1
$61.8M Sell
171,572
-9,794
-5% -$3.53M 0.38% 44
2015
Q4
$98.5M Buy
181,366
+9,126
+5% +$4.95M 0.6% 17
2015
Q3
$80.1M Buy
172,240
+12,247
+8% +$5.7M 0.74% 10
2015
Q2
$81.6M Sell
159,993
-9,098
-5% -$4.64M 0.74% 12
2015
Q1
$76.3M Sell
169,091
-30,663
-15% -$13.8M 0.66% 16
2014
Q4
$81.9M Buy
+199,754
New +$81.9M 0.72% 15