Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
632.90
+12.76 (2.06%)
At close: Jun 26, 2026, 4:00 PM EDT
631.38
-1.52 (-0.24%)
After-hours: Jun 26, 2026, 7:57 PM EDT
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 623.64 | 638.76 | 623.44 | 632.90 | 632.90 | 2.06% | 1,205,619 |
| Jun 25, 2026 | 623.16 | 634.31 | 619.70 | 620.14 | 620.14 | -0.53% | 696,664 |
| Jun 24, 2026 | 621.63 | 631.18 | 619.27 | 623.43 | 623.43 | 0.87% | 839,519 |
| Jun 23, 2026 | 607.92 | 621.79 | 607.92 | 618.03 | 618.03 | 0.90% | 1,279,871 |
| Jun 22, 2026 | 604.46 | 613.56 | 594.90 | 612.50 | 612.50 | 0.42% | 1,604,297 |
| Jun 18, 2026 | 612.07 | 616.24 | 598.19 | 609.94 | 609.94 | 0.33% | 2,609,258 |
| Jun 17, 2026 | 615.16 | 620.00 | 602.13 | 607.93 | 607.93 | -1.11% | 1,299,691 |
| Jun 16, 2026 | 615.18 | 617.60 | 608.21 | 614.73 | 614.73 | -0.04% | 1,007,463 |
| Jun 15, 2026 | 613.35 | 615.95 | 608.59 | 614.98 | 614.98 | 0.46% | 815,879 |
| Jun 12, 2026 | 613.11 | 616.55 | 605.01 | 612.14 | 612.14 | 0.11% | 717,780 |
| Jun 11, 2026 | 604.31 | 618.10 | 603.57 | 611.48 | 611.48 | 1.63% | 943,173 |
| Jun 10, 2026 | 619.07 | 619.26 | 601.22 | 601.65 | 601.65 | -2.36% | 816,110 |
| Jun 9, 2026 | 624.17 | 628.90 | 610.95 | 616.18 | 616.18 | 0.79% | 1,190,659 |
| Jun 8, 2026 | 638.04 | 638.95 | 608.98 | 611.34 | 611.34 | -3.79% | 1,259,234 |
| Jun 5, 2026 | 632.26 | 640.82 | 632.09 | 635.45 | 635.45 | 1.07% | 975,793 |
| Jun 4, 2026 | 628.07 | 633.89 | 621.11 | 628.73 | 628.73 | 1.58% | 974,745 |
| Jun 3, 2026 | 600.79 | 625.00 | 599.00 | 618.95 | 618.95 | 2.66% | 986,685 |
| Jun 2, 2026 | 596.52 | 604.63 | 591.52 | 602.92 | 602.92 | 0.38% | 1,067,006 |
| Jun 1, 2026 | 607.54 | 614.00 | 598.80 | 600.66 | 600.66 | -2.30% | 1,080,307 |
| May 29, 2026 | 620.11 | 624.47 | 609.77 | 614.78 | 614.78 | -1.08% | 2,187,707 |
| May 28, 2026 | 630.15 | 631.73 | 620.35 | 621.52 | 621.52 | -0.99% | 1,234,667 |
| May 27, 2026 | 634.80 | 638.06 | 625.00 | 627.74 | 627.74 | -1.08% | 1,913,613 |
| May 26, 2026 | 642.45 | 648.50 | 632.68 | 634.62 | 634.62 | -0.67% | 889,901 |
| May 22, 2026 | 639.24 | 644.12 | 632.72 | 638.88 | 638.88 | -0.58% | 995,023 |
| May 21, 2026 | 645.00 | 650.32 | 639.81 | 642.59 | 642.59 | -1.10% | 1,178,558 |
| May 20, 2026 | 634.32 | 651.00 | 633.60 | 649.76 | 649.76 | 3.24% | 1,165,758 |
| May 19, 2026 | 630.49 | 639.99 | 616.02 | 630.30 | 629.36 | 0.10% | 1,445,135 |
| May 18, 2026 | 615.93 | 633.00 | 610.60 | 629.68 | 628.74 | -9.82% | 2,996,891 |
| May 15, 2026 | 712.69 | 717.89 | 693.70 | 698.25 | 697.21 | -2.05% | 728,233 |
| May 14, 2026 | 719.00 | 722.51 | 710.06 | 712.87 | 711.81 | -0.97% | 767,205 |
| May 13, 2026 | 721.29 | 730.59 | 709.51 | 719.88 | 718.81 | -0.49% | 879,367 |
| May 12, 2026 | 716.39 | 725.60 | 710.02 | 723.41 | 722.33 | 1.49% | 824,575 |
| May 11, 2026 | 714.99 | 727.39 | 701.99 | 712.77 | 711.71 | -0.30% | 1,227,186 |
| May 8, 2026 | 709.29 | 717.99 | 708.36 | 714.89 | 713.82 | 0.82% | 589,041 |
| May 7, 2026 | 718.50 | 725.31 | 707.43 | 709.10 | 708.04 | -1.66% | 774,679 |
| May 6, 2026 | 703.33 | 726.16 | 702.50 | 721.05 | 719.97 | 2.67% | 739,914 |
| May 5, 2026 | 710.73 | 715.62 | 699.23 | 702.27 | 701.22 | -0.98% | 642,799 |
| May 4, 2026 | 702.56 | 711.55 | 699.75 | 709.21 | 708.15 | 1.11% | 554,271 |
| May 1, 2026 | 703.02 | 714.48 | 700.26 | 701.42 | 700.37 | -0.80% | 729,185 |
| Apr 30, 2026 | 693.08 | 708.44 | 688.95 | 707.06 | 706.01 | 3.02% | 1,096,636 |
| Apr 29, 2026 | 705.11 | 708.80 | 668.85 | 686.36 | 685.34 | -6.21% | 1,834,985 |
| Apr 28, 2026 | 751.37 | 754.00 | 730.90 | 731.77 | 730.68 | -1.70% | 569,174 |
| Apr 27, 2026 | 745.47 | 756.40 | 743.61 | 744.44 | 743.33 | -0.95% | 603,283 |
| Apr 24, 2026 | 760.00 | 761.96 | 736.71 | 751.57 | 750.45 | -1.89% | 809,546 |
| Apr 23, 2026 | 750.99 | 767.21 | 747.26 | 766.02 | 764.88 | 2.60% | 928,723 |
| Apr 22, 2026 | 751.48 | 755.78 | 740.47 | 746.58 | 745.47 | -0.10% | 901,955 |
| Apr 21, 2026 | 746.20 | 751.54 | 734.12 | 747.36 | 746.25 | -0.27% | 707,466 |
| Apr 20, 2026 | 750.00 | 755.59 | 744.00 | 749.41 | 748.29 | -0.15% | 493,842 |
| Apr 17, 2026 | 754.74 | 758.61 | 746.91 | 750.57 | 749.45 | 0.61% | 512,998 |
| Apr 16, 2026 | 749.56 | 756.00 | 742.69 | 746.00 | 744.89 | -1.05% | 505,374 |
| Apr 15, 2026 | 758.67 | 760.58 | 739.12 | 753.93 | 752.81 | -0.21% | 571,311 |
| Apr 14, 2026 | 744.97 | 757.68 | 743.71 | 755.51 | 754.38 | 1.21% | 637,779 |
| Apr 13, 2026 | 747.74 | 756.90 | 737.34 | 746.46 | 745.35 | -0.32% | 747,093 |
| Apr 10, 2026 | 771.48 | 771.48 | 739.09 | 748.87 | 747.75 | -2.47% | 751,457 |
| Apr 9, 2026 | 764.15 | 772.45 | 761.50 | 767.85 | 766.70 | -0.99% | 596,831 |
| Apr 8, 2026 | 765.26 | 775.63 | 755.99 | 775.53 | 774.37 | 2.01% | 580,427 |
| Apr 7, 2026 | 758.40 | 761.91 | 747.76 | 760.27 | 759.14 | -0.36% | 620,874 |
| Apr 6, 2026 | 766.83 | 768.80 | 758.49 | 763.04 | 761.90 | 0.16% | 460,419 |
| Apr 2, 2026 | 767.04 | 770.11 | 745.00 | 761.85 | 760.71 | -1.98% | 1,000,702 |
| Apr 1, 2026 | 775.00 | 781.21 | 769.97 | 777.25 | 776.09 | 0.60% | 627,412 |
| Mar 31, 2026 | 757.47 | 774.26 | 755.80 | 772.64 | 771.49 | 3.12% | 642,702 |
| Mar 30, 2026 | 743.83 | 757.68 | 741.47 | 749.29 | 748.17 | 1.57% | 630,455 |
| Mar 27, 2026 | 756.65 | 759.47 | 736.64 | 737.71 | 736.61 | -2.51% | 492,197 |
| Mar 26, 2026 | 749.40 | 761.73 | 747.77 | 756.73 | 755.60 | 0.97% | 488,587 |
| Mar 25, 2026 | 744.67 | 757.98 | 744.02 | 749.47 | 748.35 | 1.05% | 553,090 |
| Mar 24, 2026 | 728.51 | 743.17 | 727.96 | 741.69 | 740.58 | 0.70% | 507,979 |
| Mar 23, 2026 | 745.00 | 750.00 | 735.00 | 736.53 | 735.43 | 0.50% | 535,936 |
| Mar 20, 2026 | 738.17 | 744.85 | 728.64 | 732.87 | 731.78 | -0.62% | 1,359,993 |
| Mar 19, 2026 | 744.50 | 750.32 | 727.88 | 737.45 | 736.35 | -0.90% | 628,268 |
| Mar 18, 2026 | 751.22 | 757.60 | 734.56 | 744.12 | 743.01 | -1.97% | 672,598 |
| Mar 17, 2026 | 763.53 | 771.23 | 755.64 | 759.05 | 757.92 | 0.28% | 437,038 |
| Mar 16, 2026 | 750.00 | 763.30 | 747.01 | 756.91 | 755.78 | 1.49% | 396,216 |
| Mar 13, 2026 | 754.55 | 758.98 | 741.90 | 745.77 | 744.66 | -0.11% | 438,297 |
| Mar 12, 2026 | 764.06 | 766.00 | 744.00 | 746.61 | 745.50 | -3.62% | 630,421 |
| Mar 11, 2026 | 769.17 | 783.12 | 765.00 | 774.66 | 773.50 | 0.34% | 405,249 |
| Mar 10, 2026 | 781.67 | 788.69 | 771.34 | 772.03 | 770.88 | -1.22% | 473,422 |
| Mar 9, 2026 | 759.86 | 783.70 | 754.91 | 781.60 | 780.43 | 2.86% | 697,070 |
| Mar 6, 2026 | 755.01 | 762.40 | 746.66 | 759.86 | 758.73 | -0.66% | 561,908 |
| Mar 5, 2026 | 780.00 | 781.99 | 760.01 | 764.93 | 763.79 | -2.87% | 657,525 |
| Mar 4, 2026 | 767.05 | 791.60 | 764.24 | 787.50 | 786.33 | 2.72% | 641,608 |
| Mar 3, 2026 | 781.01 | 794.77 | 764.49 | 766.66 | 765.52 | -3.05% | 637,256 |
| Mar 2, 2026 | 771.10 | 793.16 | 769.63 | 790.81 | 789.63 | 1.17% | 793,325 |
| Feb 27, 2026 | 760.91 | 786.68 | 760.91 | 781.67 | 780.50 | 1.41% | 726,380 |
| Feb 26, 2026 | 784.28 | 784.50 | 753.79 | 770.79 | 769.64 | -1.72% | 772,714 |
| Feb 25, 2026 | 774.13 | 791.11 | 771.43 | 784.28 | 783.11 | 1.57% | 751,069 |
| Feb 24, 2026 | 780.47 | 792.67 | 768.75 | 772.19 | 771.04 | -1.89% | 628,679 |
| Feb 23, 2026 | 777.58 | 792.16 | 777.58 | 787.04 | 785.87 | 0.95% | 510,650 |
| Feb 20, 2026 | 775.00 | 781.46 | 770.00 | 779.67 | 778.51 | -0.23% | 615,295 |
| Feb 19, 2026 | 790.00 | 790.00 | 773.31 | 782.38 | 780.27 | -1.23% | 505,091 |
| Feb 18, 2026 | 793.53 | 797.00 | 786.79 | 792.16 | 790.03 | -0.17% | 675,897 |
| Feb 17, 2026 | 803.48 | 815.00 | 783.62 | 793.53 | 791.39 | -1.20% | 747,143 |
| Feb 13, 2026 | 788.92 | 806.18 | 785.00 | 803.17 | 801.01 | 2.49% | 974,845 |
| Feb 12, 2026 | 784.80 | 796.72 | 774.72 | 783.65 | 781.54 | 0.60% | 814,483 |
| Feb 11, 2026 | 750.85 | 781.42 | 745.07 | 778.97 | 776.87 | 3.19% | 1,123,719 |
| Feb 10, 2026 | 779.73 | 781.40 | 753.10 | 754.91 | 752.88 | -3.25% | 792,677 |
| Feb 9, 2026 | 783.17 | 790.00 | 775.50 | 780.28 | 778.18 | -0.67% | 586,816 |
| Feb 6, 2026 | 769.63 | 786.99 | 764.78 | 785.51 | 783.40 | 2.46% | 671,659 |
| Feb 5, 2026 | 777.83 | 790.00 | 760.00 | 766.63 | 764.57 | -1.09% | 976,458 |
| Feb 4, 2026 | 765.80 | 779.78 | 765.21 | 775.06 | 772.97 | 2.09% | 952,077 |
| Feb 3, 2026 | 745.53 | 773.72 | 742.74 | 759.18 | 757.14 | 0.55% | 768,694 |