Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
718.36
-4.44 (-0.61%)
At close: Dec 5, 2025, 4:00 PM EST
721.00
+2.64 (0.37%)
After-hours: Dec 5, 2025, 7:45 PM EST
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 723.00 | 736.15 | 717.27 | 718.36 | 718.36 | -0.61% | 795,879 |
| Dec 4, 2025 | 732.45 | 735.00 | 721.22 | 722.80 | 722.80 | -0.12% | 887,154 |
| Dec 3, 2025 | 730.36 | 744.23 | 720.07 | 723.67 | 723.67 | -2.47% | 1,219,443 |
| Dec 2, 2025 | 742.12 | 747.00 | 731.00 | 742.00 | 742.00 | -1.08% | 915,632 |
| Dec 1, 2025 | 775.60 | 779.92 | 748.15 | 750.11 | 750.11 | -3.86% | 991,840 |
| Nov 28, 2025 | 784.70 | 788.98 | 779.50 | 780.19 | 780.19 | -0.56% | 510,377 |
| Nov 26, 2025 | 785.72 | 790.98 | 777.00 | 784.61 | 784.61 | -0.34% | 871,691 |
| Nov 25, 2025 | 764.88 | 790.57 | 760.01 | 787.32 | 787.32 | 3.40% | 1,200,573 |
| Nov 24, 2025 | 759.05 | 773.13 | 756.64 | 761.45 | 761.45 | 0.73% | 1,554,940 |
| Nov 21, 2025 | 736.01 | 764.09 | 735.74 | 755.90 | 755.90 | 2.56% | 1,427,897 |
| Nov 20, 2025 | 725.00 | 753.51 | 720.02 | 737.00 | 737.00 | 4.87% | 2,297,145 |
| Nov 19, 2025 | 727.81 | 727.81 | 702.63 | 702.75 | 701.87 | -3.11% | 1,383,591 |
| Nov 18, 2025 | 702.51 | 727.97 | 699.22 | 725.34 | 724.43 | 2.99% | 1,368,882 |
| Nov 17, 2025 | 693.34 | 711.88 | 692.29 | 704.31 | 703.43 | 1.56% | 1,133,105 |
| Nov 14, 2025 | 697.19 | 699.27 | 685.95 | 693.50 | 692.63 | -0.21% | 907,089 |
| Nov 13, 2025 | 683.00 | 713.58 | 679.93 | 694.99 | 694.12 | 1.95% | 1,505,339 |
| Nov 12, 2025 | 678.89 | 690.78 | 672.67 | 681.72 | 680.87 | 1.06% | 1,208,307 |
| Nov 11, 2025 | 651.48 | 676.33 | 651.38 | 674.55 | 673.71 | 3.03% | 977,533 |
| Nov 10, 2025 | 656.00 | 665.99 | 653.19 | 654.74 | 653.92 | -0.42% | 824,903 |
| Nov 7, 2025 | 650.35 | 658.21 | 640.99 | 657.53 | 656.71 | 1.65% | 782,810 |
| Nov 6, 2025 | 640.83 | 657.00 | 640.83 | 646.87 | 646.06 | 0.42% | 916,868 |
| Nov 5, 2025 | 631.10 | 646.90 | 628.00 | 644.19 | 643.38 | 2.58% | 724,423 |
| Nov 4, 2025 | 643.78 | 646.22 | 625.14 | 628.00 | 627.21 | -2.22% | 1,031,189 |
| Nov 3, 2025 | 657.46 | 657.46 | 627.50 | 642.25 | 641.45 | -1.47% | 810,538 |
| Oct 31, 2025 | 649.45 | 660.00 | 645.00 | 651.80 | 650.98 | -0.34% | 798,001 |
| Oct 30, 2025 | 645.56 | 664.00 | 643.92 | 654.04 | 653.22 | 0.17% | 1,120,676 |
| Oct 29, 2025 | 650.41 | 659.98 | 637.66 | 652.91 | 652.09 | -0.24% | 1,751,496 |
| Oct 28, 2025 | 612.02 | 655.70 | 605.03 | 654.48 | 653.66 | 11.82% | 2,126,839 |
| Oct 27, 2025 | 580.50 | 586.15 | 575.93 | 585.31 | 584.58 | 1.27% | 1,246,122 |
| Oct 24, 2025 | 579.65 | 582.70 | 576.20 | 577.95 | 577.23 | 0.39% | 875,474 |
| Oct 23, 2025 | 579.68 | 584.00 | 572.75 | 575.69 | 574.97 | -1.55% | 779,106 |
| Oct 22, 2025 | 580.21 | 588.71 | 578.60 | 584.74 | 584.01 | 0.93% | 691,262 |
| Oct 21, 2025 | 574.60 | 582.41 | 572.82 | 579.34 | 578.61 | 0.45% | 651,765 |
| Oct 20, 2025 | 579.41 | 582.65 | 574.23 | 576.77 | 576.05 | -0.22% | 639,173 |
| Oct 17, 2025 | 570.35 | 579.05 | 566.11 | 578.05 | 577.33 | 1.56% | 745,708 |
| Oct 16, 2025 | 583.01 | 589.08 | 564.00 | 569.17 | 568.46 | -1.26% | 842,249 |
| Oct 15, 2025 | 575.03 | 584.87 | 569.02 | 576.42 | 575.70 | 0.67% | 927,747 |
| Oct 14, 2025 | 556.92 | 576.18 | 553.87 | 572.60 | 571.88 | 2.67% | 1,010,700 |
| Oct 13, 2025 | 551.50 | 563.77 | 541.00 | 557.73 | 557.03 | -1.22% | 1,426,513 |
| Oct 10, 2025 | 569.29 | 577.17 | 555.55 | 564.63 | 563.92 | -0.92% | 1,495,028 |
| Oct 9, 2025 | 569.02 | 574.72 | 563.51 | 569.90 | 569.19 | 1.07% | 853,522 |
| Oct 8, 2025 | 584.01 | 605.00 | 560.97 | 563.86 | 563.15 | -3.32% | 1,415,840 |
| Oct 7, 2025 | 587.59 | 591.45 | 578.42 | 583.24 | 582.51 | -0.38% | 656,378 |
| Oct 6, 2025 | 602.00 | 603.65 | 584.41 | 585.48 | 584.75 | -2.42% | 1,072,437 |
| Oct 3, 2025 | 602.09 | 618.01 | 599.87 | 600.00 | 599.25 | - | 1,154,866 |
| Oct 2, 2025 | 600.42 | 605.41 | 596.60 | 600.00 | 599.25 | 0.01% | 1,096,615 |
| Oct 1, 2025 | 570.87 | 615.39 | 569.99 | 599.94 | 599.19 | 6.70% | 2,083,171 |
| Sep 30, 2025 | 560.58 | 574.04 | 555.00 | 562.27 | 561.57 | 0.27% | 1,662,880 |
| Sep 29, 2025 | 563.90 | 564.91 | 557.34 | 560.75 | 560.05 | -0.56% | 922,537 |
| Sep 26, 2025 | 562.00 | 564.61 | 550.71 | 563.90 | 563.19 | 1.51% | 838,628 |
| Sep 25, 2025 | 577.30 | 579.00 | 549.20 | 555.51 | 554.81 | -3.72% | 1,394,243 |
| Sep 24, 2025 | 567.89 | 577.98 | 566.00 | 576.98 | 576.26 | 1.60% | 777,700 |
| Sep 23, 2025 | 580.00 | 582.00 | 565.45 | 567.89 | 567.18 | -4.67% | 1,362,191 |
| Sep 22, 2025 | 593.00 | 600.75 | 588.67 | 595.68 | 594.93 | 0.62% | 904,972 |
| Sep 19, 2025 | 602.54 | 603.47 | 591.00 | 591.99 | 591.25 | -1.12% | 2,178,008 |
| Sep 18, 2025 | 589.52 | 600.00 | 583.92 | 598.71 | 597.96 | 2.26% | 1,267,122 |
| Sep 17, 2025 | 576.31 | 587.67 | 576.31 | 585.50 | 584.77 | 1.82% | 921,792 |
| Sep 16, 2025 | 573.43 | 579.40 | 567.31 | 575.06 | 574.34 | 0.43% | 708,090 |
| Sep 15, 2025 | 558.54 | 573.69 | 558.54 | 572.59 | 571.87 | 2.25% | 995,857 |
| Sep 12, 2025 | 567.34 | 570.00 | 559.45 | 560.00 | 559.30 | -1.44% | 602,753 |
| Sep 11, 2025 | 555.81 | 570.76 | 555.81 | 568.20 | 567.49 | 2.23% | 868,393 |
| Sep 10, 2025 | 555.21 | 560.00 | 552.98 | 555.83 | 555.13 | -0.13% | 874,725 |
| Sep 9, 2025 | 557.00 | 563.57 | 554.80 | 556.53 | 555.83 | -0.34% | 873,267 |
| Sep 8, 2025 | 571.20 | 571.20 | 552.81 | 558.44 | 557.74 | -2.61% | 1,250,565 |
| Sep 5, 2025 | 565.15 | 577.75 | 565.00 | 573.38 | 572.66 | 1.09% | 960,386 |
| Sep 4, 2025 | 568.01 | 581.98 | 559.62 | 567.22 | 566.51 | 0.61% | 1,124,613 |
| Sep 3, 2025 | 581.99 | 588.70 | 562.79 | 563.80 | 563.09 | -2.44% | 1,118,627 |
| Sep 2, 2025 | 580.54 | 585.49 | 570.35 | 577.90 | 577.18 | -0.48% | 1,020,575 |
| Aug 29, 2025 | 577.15 | 581.25 | 575.89 | 580.70 | 579.97 | 0.19% | 574,375 |
| Aug 28, 2025 | 586.43 | 590.96 | 575.04 | 579.61 | 578.88 | -1.25% | 616,620 |
| Aug 27, 2025 | 591.87 | 597.02 | 585.50 | 586.96 | 586.22 | -0.12% | 584,150 |
| Aug 26, 2025 | 573.00 | 588.10 | 567.08 | 587.65 | 586.91 | 2.67% | 1,614,497 |
| Aug 25, 2025 | 591.06 | 594.88 | 572.25 | 572.38 | 571.66 | -2.90% | 881,012 |
| Aug 22, 2025 | 602.35 | 610.45 | 585.50 | 589.48 | 588.74 | -1.45% | 1,439,350 |
| Aug 21, 2025 | 586.87 | 605.18 | 585.10 | 598.16 | 597.41 | 1.21% | 1,010,305 |
| Aug 20, 2025 | 572.33 | 596.92 | 570.39 | 591.01 | 590.27 | 3.36% | 1,298,657 |
| Aug 19, 2025 | 575.30 | 581.69 | 570.80 | 571.78 | 571.06 | -0.37% | 854,756 |
| Aug 18, 2025 | 582.09 | 585.00 | 573.81 | 573.91 | 573.19 | -1.12% | 769,389 |
| Aug 15, 2025 | 577.96 | 581.95 | 570.84 | 580.41 | 578.80 | 2.55% | 1,122,244 |
| Aug 14, 2025 | 560.90 | 573.49 | 558.00 | 565.97 | 564.40 | 0.79% | 976,320 |
| Aug 13, 2025 | 557.08 | 565.50 | 552.00 | 561.55 | 560.00 | 0.90% | 1,096,184 |
| Aug 12, 2025 | 547.94 | 562.74 | 547.09 | 556.56 | 555.02 | 1.94% | 766,066 |
| Aug 11, 2025 | 561.52 | 572.58 | 544.16 | 545.94 | 544.43 | -3.03% | 1,104,021 |
| Aug 8, 2025 | 559.80 | 567.69 | 558.06 | 563.00 | 561.44 | 0.57% | 1,024,326 |
| Aug 7, 2025 | 557.66 | 565.48 | 553.05 | 559.80 | 558.25 | 0.84% | 811,334 |
| Aug 6, 2025 | 569.00 | 573.47 | 550.50 | 555.13 | 553.59 | -2.59% | 865,190 |
| Aug 5, 2025 | 570.25 | 579.82 | 568.50 | 569.90 | 568.32 | -0.29% | 993,471 |
| Aug 4, 2025 | 566.98 | 577.21 | 562.01 | 571.54 | 569.96 | 2.27% | 1,362,681 |
| Aug 1, 2025 | 583.01 | 583.28 | 542.89 | 558.87 | 557.32 | 2.46% | 1,656,806 |
| Jul 31, 2025 | 550.01 | 558.13 | 541.61 | 545.46 | 543.95 | -1.64% | 1,413,850 |
| Jul 30, 2025 | 560.45 | 563.59 | 550.49 | 554.58 | 553.05 | -0.64% | 564,909 |
| Jul 29, 2025 | 558.00 | 559.61 | 552.00 | 558.15 | 556.60 | -0.09% | 814,915 |
| Jul 28, 2025 | 563.53 | 567.95 | 558.54 | 558.63 | 557.08 | -0.79% | 588,433 |
| Jul 25, 2025 | 565.41 | 567.21 | 555.50 | 563.10 | 561.54 | -0.27% | 755,848 |
| Jul 24, 2025 | 572.54 | 577.73 | 563.67 | 564.64 | 563.08 | -1.35% | 1,037,662 |
| Jul 23, 2025 | 568.12 | 576.70 | 563.01 | 572.39 | 570.81 | 2.04% | 891,360 |
| Jul 22, 2025 | 546.92 | 563.00 | 546.92 | 560.93 | 559.38 | 2.82% | 976,733 |
| Jul 21, 2025 | 543.44 | 552.98 | 542.50 | 545.53 | 544.02 | 0.55% | 709,159 |
| Jul 18, 2025 | 550.00 | 550.89 | 541.50 | 542.52 | 541.02 | -1.36% | 1,307,873 |
| Jul 17, 2025 | 545.67 | 554.48 | 542.01 | 550.00 | 548.48 | 0.38% | 989,311 |