SEI Investments’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
Q2 | $37.7M | Sell |
60,441
-14,559
| -19% | -$9.91M | 0.03% | 530 |
|
|
2026
Q1 | $57.9M | Buy |
75,000
+18,403
| +33% | +$14.1M | 0.05% | 380 |
|
|
2025
Q4 | $43.7M | Buy |
56,597
+11,564
| +26% | +$7.85M | 0.04% | 437 |
|
|
2025
Q3 | $25.3M | Buy |
45,033
+12,692
| +39% | +$7.18M | 0.03% | 616 |
|
|
2025
Q2 | $17M | Buy |
32,341
+2,996
| +10% | +$1.67M | 0.02% | 766 |
|
|
2025
Q1 | $18.6M | Buy |
29,345
+2,913
| +11% | +$2M | 0.02% | 706 |
|
|
2024
Q4 | $18.8M | Sell |
26,432
-3,371
| -11% | -$2.83M | 0.02% | 709 |
|
|
2024
Q3 | $31.3M | Buy |
29,803
+4,859
| +19% | +$5.41M | 0.04% | 479 |
|
|
2024
Q2 | $26.2M | Buy |
24,944
+537
| +2% | +$521K | 0.04% | 485 |
|
|
2024
Q1 | $23.5M | Buy |
24,407
+1,839
| +8% | +$1.75M | 0.03% | 533 |
|
|
2023
Q4 | $19.8M | Buy |
22,568
+2,440
| +12% | +$2.01M | 0.03% | 566 |
|
|
2023
Q3 | $16.6M | Sell |
20,128
-815
| -4% | -$641K | 0.03% | 604 |
|
|
2023
Q2 | $15.1M | Sell |
20,943
-6,899
| -25% | -$5.32M | 0.03% | 680 |
|
|
2023
Q1 | $22.9M | Sell |
27,842
-3,268
| -11% | -$2.46M | 0.04% | 484 |
|
|
2022
Q4 | $22.4M | Sell |
31,110
-818
| -3% | -$604K | 0.05% | 419 |
|
|
2022
Q3 | $22M | Buy |
31,928
+3,251
| +11% | +$2.05M | 0.05% | 423 |
|
|
2022
Q2 | $17M | Buy |
28,677
+2,834
| +11% | +$1.84M | 0.04% | 523 |
|
|
2022
Q1 | $18M | Sell |
25,843
-14,114
| -35% | -$8.93M | 0.04% | 511 |
|
|
2021
Q4 | $25.4M | Buy |
39,957
+6,326
| +19% | +$3.89M | 0.05% | 403 |
|
|
2021
Q3 | $20.5M | Sell |
33,631
-1,134
| -3% | -$704K | 0.04% | 439 |
|
|
2021
Q2 | $19.6M | Buy |
34,765
+4,376
| +14% | +$2.22M | 0.04% | 417 |
|
|
2021
Q1 | $14.3M | Sell |
30,389
-4,277
| -12% | -$2.08M | 0.04% | 509 |
|
|
2020
Q4 | $16.5M | Buy |
34,666
+2,666
| +8% | +$1.44M | 0.04% | 421 |
|
|
2020
Q3 | $18M | Buy |
32,000
+7,676
| +32% | +$4.65M | 0.05% | 339 |
|
|
2020
Q2 | $15.2M | Sell |
24,324
-2,441
| -9% | -$1.39M | 0.05% | 383 |
|
|
2020
Q1 | $12.9M | Buy |
26,765
+4,333
| +19% | +$1.79M | 0.05% | 378 |
|
|
2019
Q4 | $8.47M | Sell |
22,432
-481
| -2% | -$162K | 0.03% | 657 |
|
|
2019
Q3 | $6.37M | Sell |
22,913
-3,245
| -12% | -$960K | 0.02% | 817 |
|
|
2019
Q2 | $8.19M | Buy |
26,158
+1,927
| +8% | +$642K | 0.03% | 671 |
|
|
2019
Q1 | $9.95M | Buy |
24,231
+8,990
| +59% | +$3.7M | 0.03% | 543 |
|
|
2018
Q4 | $6.16M | Hold |
15,241
| – | – | 0.02% | 782 |
|
|
2018
Q3 | $6.16M | Sell |
15,241
-4,560
| -23% | -$1.74M | 0.02% | 757 |
|
|
2018
Q2 | $6.83M | Sell |
19,801
-10,808
| -35% | -$3.38M | 0.02% | 765 |
|
|
2018
Q1 | $10.5M | Sell |
30,609
-139,728
| -82% | -$48.6M | 0.04% | 489 |
|
|
2017
Q4 | $64M | Sell |
170,337
-14,300
| -8% | -$5.79M | 0.22% | 85 |
|
|
2017
Q3 | $82.6M | Sell |
184,637
-42,115
| -19% | -$20M | 0.29% | 59 |
|
|
2017
Q2 | $111M | Sell |
226,752
-19,849
| -8% | -$8.69M | 0.44% | 35 |
|
|
2017
Q1 | $95.6M | Buy |
246,601
+9,426
| +4% | +$3.49M | 0.42% | 36 |
|
|
2016
Q4 | $87.1M | Buy |
237,175
+39,958
| +20% | +$15.2M | 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% | +$7.26M | 0.4% | 38 |
|
|
2016
Q1 | $61.8M | Sell |
171,572
-9,794
| -5% | -$4.04M | 0.38% | 44 |
|
|
2015
Q4 | $98.5M | Buy |
181,366
+9,126
| +5% | +$4.94M | 0.6% | 17 |
|
|
2015
Q3 | $80.1M | Buy |
172,240
+12,247
| +8% | +$6.58M | 0.74% | 10 |
|
|
2015
Q2 | $81.6M | Sell |
159,993
-9,098
| -5% | -$4.44M | 0.74% | 12 |
|
|
2015
Q1 | $76.3M | Sell |
169,091
-30,663
| -15% | -$13M | 0.66% | 16 |
|
|
2014
Q4 | $81.9M | Buy |
+199,754
| New | +$78.6M | 0.72% | 15 |
|
Other funds holding REGN
SEI Investments's REGN Position: Q2 2026 in Review
SEI Investments reduced its Regeneron Pharmaceuticals (REGN) stake by 19% in Q2 2026, selling an estimated $9.91M and leaving 60,441 shares worth $37.7M. The position accounts for 0.03% of the portfolio, ranked #530.
SEI Investments first reported a position in REGN in Q4 2014 and has held it in 47 quarters since. The position peaked at $111M in Q2 2017. 1,332 funds tracked by Wall St. Rank hold REGN as of Q2 2026.
- SEI Investments held 60,441 shares of Regeneron Pharmaceuticals worth $37.7M as of Q2 2026.
- SEI Investments sold 14,559 Regeneron Pharmaceuticals shares in Q2 2026, an estimated $9.91M.
- Regeneron Pharmaceuticals made up 0.03% of SEI Investments's portfolio in Q2 2026, its #530 holding.
- SEI Investments first reported a position in Regeneron Pharmaceuticals in Q4 2014 and has held it in 47 quarters since.
- SEI Investments's Regeneron Pharmaceuticals position peaked at $111M in Q2 2017.
- 1,332 funds tracked by Wall St. Rank held Regeneron Pharmaceuticals as of Q2 2026.
Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.