Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
598.69
-11.25 (-1.84%)
Jun 22, 2026, 10:32 AM EDT - Market open
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | 605.93 | 611.00 | 604.29 | 600.51 | - | -1.55% | 46,698 |
| Jun 18, 2026 | 612.07 | 616.24 | 598.19 | 609.94 | 609.94 | 0.33% | 2,609,207 |
| 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 |