Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
562.27
+1.52 (0.27%)
At close: Sep 30, 2025, 4:00 PM EDT
564.19
+1.92 (0.34%)
After-hours: Sep 30, 2025, 5:53 PM EDT
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 560.58 | 574.04 | 555.00 | 562.27 | - | 0.27% | 1,661,419 |
| 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% | 1,362,191 |
| 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 | 567.31 | 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% | 960,386 |
| 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% | 1,117,342 |
| 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 |
| Aug 28, 2025 | 586.43 | 590.96 | 575.04 | 579.61 | 579.61 | -1.25% | 616,620 |
| Aug 27, 2025 | 591.87 | 597.02 | 585.50 | 586.96 | 586.96 | -0.12% | 584,150 |
| Aug 26, 2025 | 573.00 | 588.10 | 567.08 | 587.65 | 587.65 | 2.67% | 1,614,497 |
| Aug 25, 2025 | 591.06 | 594.88 | 572.25 | 572.38 | 572.38 | -2.90% | 881,012 |
| Aug 22, 2025 | 602.35 | 610.45 | 585.50 | 589.48 | 589.48 | -1.45% | 1,439,350 |
| Aug 21, 2025 | 586.87 | 605.18 | 585.10 | 598.16 | 598.16 | 1.21% | 1,010,305 |
| Aug 20, 2025 | 572.33 | 596.92 | 570.39 | 591.01 | 591.01 | 3.36% | 1,298,657 |
| Aug 19, 2025 | 575.30 | 581.69 | 570.80 | 571.78 | 571.78 | -0.37% | 854,756 |
| Aug 18, 2025 | 582.09 | 585.00 | 573.81 | 573.91 | 573.91 | -1.12% | 769,389 |
| Aug 15, 2025 | 577.96 | 581.95 | 570.84 | 580.41 | 579.52 | 2.55% | 1,122,244 |
| Aug 14, 2025 | 560.90 | 573.49 | 558.00 | 565.97 | 565.10 | 0.79% | 976,320 |
| Aug 13, 2025 | 557.08 | 565.50 | 552.00 | 561.55 | 560.69 | 0.90% | 1,096,184 |
| Aug 12, 2025 | 547.94 | 562.74 | 547.09 | 556.56 | 555.70 | 1.94% | 766,066 |
| Aug 11, 2025 | 561.52 | 572.58 | 544.16 | 545.94 | 545.10 | -3.03% | 1,104,021 |
| Aug 8, 2025 | 559.80 | 567.69 | 558.06 | 563.00 | 562.14 | 0.57% | 1,024,326 |
| Aug 7, 2025 | 557.66 | 565.48 | 553.05 | 559.80 | 558.94 | 0.84% | 811,334 |
| Aug 6, 2025 | 569.00 | 573.47 | 550.50 | 555.13 | 554.28 | -2.59% | 865,190 |
| Aug 5, 2025 | 570.25 | 579.82 | 568.50 | 569.90 | 569.03 | -0.29% | 993,471 |
| Aug 4, 2025 | 566.98 | 577.21 | 562.01 | 571.54 | 570.67 | 2.27% | 1,362,681 |
| Aug 1, 2025 | 583.01 | 583.28 | 542.89 | 558.87 | 558.01 | 2.46% | 1,656,806 |
| Jul 31, 2025 | 550.01 | 558.13 | 541.61 | 545.46 | 544.63 | -1.64% | 1,413,850 |
| Jul 30, 2025 | 560.45 | 563.59 | 550.49 | 554.58 | 553.73 | -0.64% | 564,909 |
| Jul 29, 2025 | 558.00 | 559.61 | 552.00 | 558.15 | 557.29 | -0.09% | 814,915 |
| Jul 28, 2025 | 563.53 | 567.95 | 558.54 | 558.63 | 557.78 | -0.79% | 588,433 |
| Jul 25, 2025 | 565.41 | 567.21 | 555.50 | 563.10 | 562.24 | -0.27% | 755,848 |
| Jul 24, 2025 | 572.54 | 577.73 | 563.67 | 564.64 | 563.78 | -1.35% | 1,037,662 |
| Jul 23, 2025 | 568.12 | 576.70 | 563.01 | 572.39 | 571.51 | 2.04% | 891,360 |
| Jul 22, 2025 | 546.92 | 563.00 | 546.92 | 560.93 | 560.07 | 2.82% | 976,733 |