Regeneron Pharmaceuticals... (REGN)
NASDAQ: REGN
· Real-Time Price · USD
563.90
8.39 (1.51%)
At close: Sep 26, 2025, 3:59 PM
565.00
0.20%
After-hours: Sep 26, 2025, 07:49 PM EDT
REGN Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 26, 2025 | 562.00 | 564.61 | 550.71 | 563.90 | 563.90 | 1.51% | 838,533 |
| 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 |
| Sep 5, 2025 | 565.15 | 577.75 | 565.00 | 573.38 | 573.38 | 1.09% | 960,400 |
| Sep 4, 2025 | 568.01 | 581.98 | 559.62 | 567.22 | 567.22 | 0.61% | 1,124,613 |
| Sep 3, 2025 | 581.99 | 588.70 | 562.79 | 563.80 | 563.80 | -2.44% | 1,118,627 |
| Sep 2, 2025 | 580.54 | 585.49 | 570.35 | 577.90 | 577.90 | -0.48% | 1,020,575 |
| Aug 29, 2025 | 577.15 | 581.25 | 575.89 | 580.70 | 580.70 | 0.19% | 574,375 |