Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
758.72
-6.21 (-0.81%)
Mar 6, 2026, 10:10 AM EST - Market open
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | 780.00 | 781.99 | 760.01 | 764.93 | 764.93 | -2.87% | 654,836 |
| Mar 4, 2026 | 767.05 | 791.60 | 764.24 | 787.50 | 787.50 | 2.72% | 638,542 |
| Mar 3, 2026 | 781.01 | 794.77 | 764.49 | 766.66 | 766.66 | -3.05% | 636,666 |
| Mar 2, 2026 | 771.10 | 793.16 | 769.63 | 790.81 | 790.81 | 1.17% | 793,154 |
| Feb 27, 2026 | 760.91 | 786.68 | 760.91 | 781.67 | 781.67 | 1.41% | 726,380 |
| Feb 26, 2026 | 784.28 | 784.50 | 753.79 | 770.79 | 770.79 | -1.72% | 772,714 |
| Feb 25, 2026 | 774.13 | 791.11 | 771.43 | 784.28 | 784.28 | 1.57% | 751,069 |
| Feb 24, 2026 | 780.47 | 792.67 | 768.75 | 772.19 | 772.19 | -1.89% | 628,679 |
| Feb 23, 2026 | 777.58 | 792.16 | 777.58 | 787.04 | 787.04 | 0.95% | 510,650 |
| Feb 20, 2026 | 775.00 | 781.46 | 770.00 | 779.67 | 779.67 | -0.35% | 615,295 |
| Feb 19, 2026 | 790.00 | 790.00 | 773.31 | 782.38 | 781.44 | -1.23% | 505,091 |
| Feb 18, 2026 | 793.53 | 797.00 | 786.79 | 792.16 | 791.21 | -0.17% | 675,897 |
| Feb 17, 2026 | 803.48 | 815.00 | 783.62 | 793.53 | 792.58 | -1.20% | 747,143 |
| Feb 13, 2026 | 788.92 | 806.18 | 785.00 | 803.17 | 802.21 | 2.49% | 974,845 |
| Feb 12, 2026 | 784.80 | 796.72 | 774.72 | 783.65 | 782.71 | 0.60% | 814,483 |
| Feb 11, 2026 | 750.85 | 781.42 | 745.07 | 778.97 | 778.03 | 3.19% | 1,123,719 |
| Feb 10, 2026 | 779.73 | 781.40 | 753.10 | 754.91 | 754.00 | -3.25% | 792,677 |
| Feb 9, 2026 | 783.17 | 790.00 | 775.50 | 780.28 | 779.34 | -0.67% | 586,816 |
| Feb 6, 2026 | 769.63 | 786.99 | 764.78 | 785.51 | 784.57 | 2.46% | 671,659 |
| Feb 5, 2026 | 777.83 | 790.00 | 760.00 | 766.63 | 765.71 | -1.09% | 976,458 |
| Feb 4, 2026 | 765.80 | 779.78 | 765.21 | 775.06 | 774.13 | 2.09% | 952,077 |
| Feb 3, 2026 | 745.53 | 773.72 | 742.74 | 759.18 | 758.27 | 0.55% | 768,694 |
| Feb 2, 2026 | 732.92 | 763.56 | 731.51 | 755.02 | 754.11 | 1.83% | 693,090 |
| Jan 30, 2026 | 753.96 | 774.37 | 735.61 | 741.45 | 740.56 | -1.07% | 1,317,891 |
| Jan 29, 2026 | 755.73 | 755.73 | 742.80 | 749.44 | 748.54 | -0.22% | 925,773 |
| Jan 28, 2026 | 765.15 | 766.99 | 747.57 | 751.13 | 750.23 | -2.61% | 827,944 |
| Jan 27, 2026 | 762.47 | 776.25 | 761.50 | 771.25 | 770.32 | 1.13% | 645,805 |
| Jan 26, 2026 | 750.09 | 767.30 | 750.09 | 762.65 | 761.73 | 1.21% | 934,312 |
| Jan 23, 2026 | 757.31 | 762.00 | 747.30 | 753.55 | 752.64 | -0.26% | 721,175 |
| Jan 22, 2026 | 750.34 | 765.00 | 747.37 | 755.51 | 754.60 | 0.82% | 765,689 |
| Jan 21, 2026 | 736.71 | 750.00 | 735.00 | 749.33 | 748.43 | 2.12% | 788,543 |
| Jan 20, 2026 | 729.40 | 737.87 | 718.38 | 733.78 | 732.90 | 0.10% | 789,339 |
| Jan 16, 2026 | 749.09 | 749.09 | 726.43 | 733.04 | 732.16 | -1.20% | 1,682,566 |
| Jan 15, 2026 | 754.85 | 756.50 | 737.00 | 741.92 | 741.03 | -1.62% | 865,627 |
| Jan 14, 2026 | 760.58 | 766.64 | 753.01 | 754.14 | 753.23 | -0.63% | 669,119 |
| Jan 13, 2026 | 765.16 | 765.99 | 743.94 | 758.91 | 758.00 | -1.18% | 946,732 |
| Jan 12, 2026 | 810.00 | 811.09 | 765.08 | 768.00 | 767.08 | -3.58% | 1,321,289 |
| Jan 9, 2026 | 802.97 | 821.11 | 790.88 | 796.55 | 795.59 | -0.56% | 711,556 |
| Jan 8, 2026 | 805.81 | 816.99 | 800.68 | 801.01 | 800.05 | -1.39% | 1,049,326 |
| Jan 7, 2026 | 786.18 | 814.10 | 780.10 | 812.27 | 811.29 | 4.60% | 1,264,733 |
| Jan 6, 2026 | 764.35 | 787.66 | 763.20 | 776.54 | 775.61 | 1.74% | 935,119 |
| Jan 5, 2026 | 769.72 | 771.99 | 753.20 | 763.23 | 762.31 | -1.68% | 835,909 |
| Jan 2, 2026 | 774.25 | 779.75 | 765.77 | 776.31 | 775.38 | 0.58% | 464,826 |
| Dec 31, 2025 | 772.00 | 775.00 | 769.17 | 771.87 | 770.94 | -0.27% | 355,156 |
| Dec 30, 2025 | 776.30 | 777.77 | 770.30 | 773.94 | 773.01 | -0.84% | 383,233 |
| Dec 29, 2025 | 780.56 | 785.05 | 774.60 | 780.50 | 779.56 | -0.57% | 545,104 |
| Dec 26, 2025 | 783.79 | 788.01 | 778.04 | 784.97 | 784.03 | 0.16% | 321,114 |
| Dec 24, 2025 | 787.99 | 792.77 | 783.61 | 783.71 | 782.77 | -0.19% | 267,162 |
| Dec 23, 2025 | 777.36 | 792.75 | 777.00 | 785.17 | 784.23 | 0.75% | 832,013 |
| Dec 22, 2025 | 765.84 | 783.60 | 765.09 | 779.36 | 778.42 | 1.48% | 818,007 |
| Dec 19, 2025 | 753.72 | 773.85 | 748.18 | 767.96 | 767.04 | 2.57% | 2,336,025 |
| Dec 18, 2025 | 747.54 | 752.84 | 739.23 | 748.71 | 747.81 | -0.14% | 1,057,594 |
| Dec 17, 2025 | 746.55 | 751.99 | 743.33 | 749.79 | 748.89 | 0.46% | 766,045 |
| Dec 16, 2025 | 752.57 | 757.35 | 734.72 | 746.36 | 745.46 | -0.83% | 713,243 |
| Dec 15, 2025 | 748.85 | 756.67 | 746.38 | 752.62 | 751.72 | 1.53% | 932,936 |
| Dec 12, 2025 | 741.59 | 746.05 | 734.38 | 741.29 | 740.40 | -0.74% | 804,841 |
| Dec 11, 2025 | 726.08 | 753.61 | 726.08 | 746.80 | 745.90 | 2.84% | 1,153,882 |
| Dec 10, 2025 | 695.06 | 728.00 | 692.50 | 726.21 | 725.34 | 4.86% | 1,316,662 |
| Dec 9, 2025 | 705.11 | 711.15 | 691.86 | 692.58 | 691.75 | -1.52% | 604,535 |
| Dec 8, 2025 | 723.69 | 724.13 | 701.75 | 703.26 | 702.42 | -2.10% | 1,005,953 |
| Dec 5, 2025 | 723.00 | 736.15 | 717.27 | 718.36 | 717.50 | -0.61% | 798,452 |
| Dec 4, 2025 | 732.45 | 735.00 | 721.22 | 722.80 | 721.93 | -0.12% | 1,067,133 |
| Dec 3, 2025 | 730.36 | 744.23 | 720.07 | 723.67 | 722.80 | -2.47% | 1,238,676 |
| Dec 2, 2025 | 742.12 | 747.00 | 731.00 | 742.00 | 741.11 | -1.08% | 924,677 |
| Dec 1, 2025 | 775.60 | 779.92 | 748.15 | 750.11 | 749.21 | -3.86% | 992,389 |
| Nov 28, 2025 | 784.70 | 788.98 | 779.50 | 780.19 | 779.25 | -0.56% | 510,377 |
| Nov 26, 2025 | 785.72 | 790.98 | 777.00 | 784.61 | 783.67 | -0.34% | 871,691 |
| Nov 25, 2025 | 764.88 | 790.57 | 760.01 | 787.32 | 786.37 | 3.40% | 1,200,573 |
| Nov 24, 2025 | 759.05 | 773.13 | 756.64 | 761.45 | 760.54 | 0.73% | 1,554,940 |
| Nov 21, 2025 | 736.01 | 764.09 | 735.74 | 755.90 | 754.99 | 2.56% | 1,427,897 |
| Nov 20, 2025 | 725.00 | 753.51 | 720.02 | 737.00 | 736.11 | 4.87% | 2,297,145 |
| Nov 19, 2025 | 727.81 | 727.81 | 702.63 | 702.75 | 701.03 | -3.11% | 1,383,591 |
| Nov 18, 2025 | 702.51 | 727.97 | 699.22 | 725.34 | 723.56 | 2.99% | 1,368,882 |
| Nov 17, 2025 | 693.34 | 711.88 | 692.29 | 704.31 | 702.58 | 1.56% | 1,133,105 |
| Nov 14, 2025 | 697.19 | 699.27 | 685.95 | 693.50 | 691.80 | -0.21% | 907,089 |
| Nov 13, 2025 | 683.00 | 713.58 | 679.93 | 694.99 | 693.29 | 1.95% | 1,505,339 |
| Nov 12, 2025 | 678.89 | 690.78 | 672.67 | 681.72 | 680.05 | 1.06% | 1,208,307 |
| Nov 11, 2025 | 651.48 | 676.33 | 651.38 | 674.55 | 672.90 | 3.03% | 977,533 |
| Nov 10, 2025 | 656.00 | 665.99 | 653.19 | 654.74 | 653.13 | -0.42% | 824,903 |
| Nov 7, 2025 | 650.35 | 658.21 | 640.99 | 657.53 | 655.92 | 1.65% | 782,810 |
| Nov 6, 2025 | 640.83 | 657.00 | 640.83 | 646.87 | 645.28 | 0.42% | 916,868 |
| Nov 5, 2025 | 631.10 | 646.90 | 628.00 | 644.19 | 642.61 | 2.58% | 724,423 |
| Nov 4, 2025 | 643.78 | 646.22 | 625.14 | 628.00 | 626.46 | -2.22% | 1,031,189 |
| Nov 3, 2025 | 657.46 | 657.46 | 627.50 | 642.25 | 640.68 | -1.47% | 810,538 |
| Oct 31, 2025 | 649.45 | 660.00 | 645.00 | 651.80 | 650.20 | -0.34% | 798,001 |
| Oct 30, 2025 | 645.56 | 664.00 | 643.92 | 654.04 | 652.44 | 0.17% | 1,120,676 |
| Oct 29, 2025 | 650.41 | 659.98 | 637.66 | 652.91 | 651.31 | -0.24% | 1,751,496 |
| Oct 28, 2025 | 612.02 | 655.70 | 605.03 | 654.48 | 652.88 | 11.82% | 2,126,839 |
| Oct 27, 2025 | 580.50 | 586.15 | 575.93 | 585.31 | 583.87 | 1.27% | 1,246,122 |
| Oct 24, 2025 | 579.65 | 582.70 | 576.20 | 577.95 | 576.53 | 0.39% | 875,474 |
| Oct 23, 2025 | 579.68 | 584.00 | 572.75 | 575.69 | 574.28 | -1.55% | 779,106 |
| Oct 22, 2025 | 580.21 | 588.71 | 578.60 | 584.74 | 583.31 | 0.93% | 691,262 |
| Oct 21, 2025 | 574.60 | 582.41 | 572.82 | 579.34 | 577.92 | 0.45% | 651,765 |
| Oct 20, 2025 | 579.41 | 582.65 | 574.23 | 576.77 | 575.36 | -0.22% | 639,173 |
| Oct 17, 2025 | 570.35 | 579.05 | 566.11 | 578.05 | 576.63 | 1.56% | 745,708 |
| Oct 16, 2025 | 583.01 | 589.08 | 564.00 | 569.17 | 567.77 | -1.26% | 842,249 |
| Oct 15, 2025 | 575.03 | 584.87 | 569.02 | 576.42 | 575.01 | 0.67% | 927,747 |
| Oct 14, 2025 | 556.92 | 576.18 | 553.87 | 572.60 | 571.20 | 2.67% | 1,010,700 |
| Oct 13, 2025 | 551.50 | 563.77 | 541.00 | 557.73 | 556.36 | -1.22% | 1,426,513 |
| Oct 10, 2025 | 569.29 | 577.17 | 555.55 | 564.63 | 563.25 | -0.92% | 1,495,028 |