Regeneron Pharmaceuticals... (REGN)
NASDAQ: REGN
· Real-Time Price · USD
600.00
0.00 (0.00%)
At close: Oct 03, 2025, 3:59 PM
603.00
0.50%
After-hours: Oct 03, 2025, 07:29 PM EDT
REGN Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 3, 2025 | 602.09 | 618.01 | 599.87 | 600.00 | 600.00 | 0.00% | 1,152,184 |
| Oct 2, 2025 | 600.42 | 605.41 | 596.60 | 600.00 | 600.00 | 0.01% | 1,096,615 |
| Oct 1, 2025 | 570.87 | 615.39 | 569.99 | 599.94 | 599.94 | 6.70% | 2,083,200 |
| Sep 30, 2025 | 560.58 | 574.04 | 555.00 | 562.27 | 562.27 | 0.27% | 1,662,880 |
| Sep 29, 2025 | 563.90 | 564.91 | 557.34 | 560.75 | 560.75 | -0.56% | 922,537 |
| Sep 26, 2025 | 562.00 | 564.61 | 550.71 | 563.90 | 563.90 | 1.51% | 838,628 |
| Sep 25, 2025 | 577.30 | 579.00 | 549.20 | 555.51 | 555.51 | -3.72% | 1,394,243 |
| Sep 24, 2025 | 567.89 | 577.98 | 566.00 | 576.98 | 576.98 | 1.60% | 777,700 |
| Sep 23, 2025 | 580.00 | 582.00 | 565.45 | 567.89 | 567.89 | -4.67% | 1,362,200 |
| Sep 22, 2025 | 593.00 | 600.75 | 588.67 | 595.68 | 595.68 | 0.62% | 904,972 |
| Sep 19, 2025 | 602.54 | 603.47 | 591.00 | 591.99 | 591.99 | -1.12% | 2,178,008 |
| Sep 18, 2025 | 589.52 | 600.00 | 583.92 | 598.71 | 598.71 | 2.26% | 1,267,122 |
| Sep 17, 2025 | 576.31 | 587.67 | 576.31 | 585.50 | 585.50 | 1.82% | 921,792 |
| Sep 16, 2025 | 573.43 | 579.40 | 567.30 | 575.06 | 575.06 | 0.43% | 708,090 |
| Sep 15, 2025 | 558.54 | 573.69 | 558.54 | 572.59 | 572.59 | 2.25% | 995,857 |
| Sep 12, 2025 | 567.34 | 570.00 | 559.45 | 560.00 | 560.00 | -1.44% | 602,753 |
| Sep 11, 2025 | 555.81 | 570.76 | 555.81 | 568.20 | 568.20 | 2.23% | 868,393 |
| Sep 10, 2025 | 555.21 | 560.00 | 552.98 | 555.83 | 555.83 | -0.13% | 874,725 |
| Sep 9, 2025 | 557.00 | 563.57 | 554.80 | 556.53 | 556.53 | -0.34% | 873,267 |
| Sep 8, 2025 | 571.20 | 571.20 | 552.81 | 558.44 | 558.44 | -2.61% | 1,250,565 |
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