REGN Monthly Statistics
REGN monthly stock returns with historical performance by month, return charts, and downloadable statistics.
Regeneron Pharmaceuticals Inc (REGN) company overview
Regeneron Pharmaceuticals discovers, develops, and commercializes products that fight eye disease, cardiovascular disease, cancer, and inflammation. The company has several marketed products, including low-dose Eylea and Eylea HD, approved for wet age-related macular degeneration and other eye diseases; Dupixent in immunology; Praluent for LDL cholesterol lowering; Libtayo in oncology; Kevzara in rheumatoid arthritis; and Lynozyfic for multiple myeloma. Regeneron has multiple partnerships and collaboration agreements, with Sanofi (Dupixent, others) and Bayer (Eylea) as its largest partners.
| Period | Return % |
|---|---|
| 2000-01 | 0 |
| 2000-02 | 358.98 |
| 2000-03 | -47.68 |
| 2000-04 | -3.38 |
| 2000-05 | -28.64 |
| 2000-06 | 46.27 |
| 2000-07 | -5.87 |
| 2000-08 | 26.3 |
| 2000-09 | -7.96 |
| 2000-10 | -18 |
| 2000-11 | -8.86 |
| 2000-12 | 44.67 |
| 2001-01 | -7.14 |
| 2001-02 | -4.18 |
| 2001-03 | -29.29 |
| 2001-04 | 39.75 |
| 2001-05 | 2.9 |
| 2001-06 | 8.59 |
| 2001-07 | -22.45 |
| 2001-08 | 12.1 |
| 2001-09 | -26.16 |
| 2001-10 | -0.63 |
| 2001-11 | 25.2 |
| 2001-12 | 1.77 |
| 2002-01 | -11.93 |
| 2002-02 | -8.43 |
| 2002-03 | 10.04 |
| 2002-04 | -17.37 |
| 2002-05 | -20 |
| 2002-06 | -12.17 |
| 2002-07 | 18.54 |
| 2002-08 | -10.17 |
| 2002-09 | -12.62 |
| 2002-10 | 12.07 |
| 2002-11 | 43.09 |
| 2002-12 | -14.5 |
| 2003-01 | 1.19 |
| 2003-02 | -2.08 |
| 2003-03 | -59 |
| 2003-04 | -15.82 |
| 2003-05 | 117.06 |
| 2003-06 | 14.7 |
| 2003-07 | -2.28 |
| 2003-08 | -1.23 |
| 2003-09 | 16.17 |
| 2003-10 | -21.68 |
| 2003-11 | -6.94 |
| 2003-12 | 14.21 |
| 2004-01 | 1.02 |
| 2004-02 | -4.71 |
| 2004-03 | -4.1 |
| 2004-04 | -7.73 |
| 2004-05 | -10.38 |
| 2004-06 | -6.23 |
| 2004-07 | -18.71 |
| 2004-08 | 4.09 |
| 2004-09 | -2.58 |
| 2004-10 | -16.24 |
| 2004-11 | 26.82 |
| 2004-12 | -0.11 |
| 2005-01 | -21.82 |
| 2005-02 | -15.14 |
| 2005-03 | -16.37 |
| 2005-04 | 9 |
| 2005-05 | 11.85 |
| 2005-06 | 34.67 |
| 2005-07 | 14.9 |
| 2005-08 | -22.51 |
| 2005-09 | 27.04 |
| 2005-10 | 31.82 |
| 2005-11 | -10.71 |
| 2005-12 | 42.35 |
| 2006-01 | -4.21 |
| 2006-02 | 7.49 |
| 2006-03 | 1.59 |
| 2006-04 | -12.69 |
| 2006-05 | -10.88 |
| 2006-06 | -0.93 |
| 2006-07 | 6.55 |
| 2006-08 | 16.25 |
| 2006-09 | -1.2 |
| 2006-10 | 27.79 |
| 2006-11 | 7.28 |
| 2006-12 | -6.69 |
| 2007-01 | -0.9 |
| 2007-02 | -0.25 |
| 2007-03 | 8.97 |
| 2007-04 | 25.81 |
| 2007-05 | -17.5 |
| 2007-06 | -20.14 |
| 2007-07 | -16.91 |
| 2007-08 | 30.69 |
| 2007-09 | -8.53 |
| 2007-10 | 23.6 |
| 2007-11 | -1 |
| 2007-12 | 10.88 |
| 2008-01 | -16.02 |
| 2008-02 | -2.51 |
| 2008-03 | -2.93 |
| 2008-04 | 2.24 |
| 2008-05 | 1.43 |
| 2008-06 | -27.44 |
| 2008-07 | 51.59 |
| 2008-08 | -0.78 |
| 2008-09 | 0.51 |
| 2008-10 | -11.59 |
| 2008-11 | -19.9 |
| 2008-12 | 18.76 |
| 2009-01 | -4.79 |
| 2009-02 | -18.48 |
| 2009-03 | -2.74 |
| 2009-04 | -4.33 |
| 2009-05 | 15.16 |
| 2009-06 | 17.35 |
| 2009-07 | 19.87 |
| 2009-08 | 5.82 |
| 2009-09 | -15.09 |
| 2009-10 | -18.65 |
| 2009-11 | 16.88 |
| 2009-12 | 31.77 |
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 2026-10-09 | 737.2 | 751.27 | 733.7 | 746.54 | — |
| 2026-10-08 | 742.12 | 744.5 | 723.65 | 739.57 | — |
| 2026-10-07 | 738.05 | 753.66 | 734.18 | 742.12 | — |
| 2026-10-06 | 734.61 | 740.51 | 727.16 | 738.72 | — |
| 2026-10-05 | 734.36 | 736.42 | 722.02 | 726.47 | — |
| 2026-10-02 | 740.5 | 742.5 | 729.2 | 735.2 | — |
| 2026-10-01 | 765.98 | 777.43 | 726.42 | 734.81 | — |
| 2026-09-30 | 749.84 | 763.27 | 743.14 | 758.27 | — |
| 2026-09-29 | 745.15 | 752.43 | 741.83 | 750.51 | — |
| 2026-09-28 | 771.84 | 777.07 | 750 | 752.25 | — |
| 2026-09-25 | 803.87 | 803.87 | 784.13 | 788.04 | — |
| 2026-09-24 | 801.59 | 807.21 | 789.41 | 796.02 | — |
| 2026-09-23 | 805.23 | 813.53 | 790.02 | 801.82 | — |
| 2026-09-21 | 786.03 | 801.44 | 779.96 | 798.17 | — |
| 2026-09-18 | 787.34 | 794.73 | 779.65 | 784.85 | — |
| 2026-09-17 | 781.18 | 789.96 | 774.78 | 789.45 | — |
| 2026-09-16 | 775.82 | 779.98 | 771.8 | 774.61 | — |
| 2026-09-15 | 788.53 | 788.53 | 769.57 | 774.11 | — |
| 2026-09-14 | 789.02 | 798.64 | 779.45 | 793.74 | — |
| 2026-09-11 | 800 | 800.22 | 780.81 | 781.49 | — |
| 2026-09-10 | 803.01 | 806.14 | 792 | 793.26 | — |
| 2026-09-09 | 803.83 | 808.63 | 796.72 | 807.65 | — |
| 2026-09-08 | 814.36 | 821.17 | 799.42 | 810.31 | — |
| 2026-09-04 | 840.05 | 841.53 | 825.83 | 827.72 | — |
| 2026-09-02 | 826.24 | 854.49 | 825.77 | 852.03 | — |
| 2026-09-01 | 808.86 | 824.63 | 804.32 | 823.82 | — |
| 2026-08-31 | 782.44 | 802.78 | 779.08 | 799.08 | — |
| 2026-08-27 | 806.18 | 817.62 | 804.27 | 807.71 | — |
| 2026-08-26 | 827.78 | 831.67 | 814.7 | 814.79 | — |
| 2026-08-25 | 829.22 | 839.94 | 823.44 | 833.56 | — |
| 2026-08-24 | 834.51 | 834.7 | 823.4 | 828.5 | — |
| 2026-08-21 | 829.13 | 846.88 | 826.64 | 834.04 | — |
| 2026-08-20 | 831.7 | 840.82 | 826.05 | 826.64 | — |
| 2026-08-19 | 820.33 | 844.9 | 815.38 | 840.84 | — |
| 2026-08-18 | 814 | 821.02 | 805.93 | 810.24 | — |
| 2026-08-17 | 801.76 | 812.6 | 795.73 | 805.93 | — |
| 2026-08-14 | 802.35 | 806.53 | 792.57 | 803.48 | — |
| 2026-08-13 | 802.21 | 815.67 | 794.49 | 805.97 | — |
| 2026-08-12 | 790.55 | 801.35 | 784.61 | 797.99 | — |
| 2026-08-11 | 808.8 | 813.63 | 796.66 | 797 | — |
| 2026-08-10 | 781.72 | 809.02 | 775.83 | 808.05 | — |
| 2026-08-07 | 774.47 | 785.98 | 767.82 | 784.36 | — |
| 2026-08-06 | 777.89 | 780.95 | 762.78 | 772.11 | — |
| 2026-08-05 | 767.98 | 782.59 | 763.31 | 768.58 | — |
| 2026-08-04 | 753.76 | 763.38 | 747 | 760.66 | — |
| 2026-08-03 | 769.54 | 772.75 | 756.44 | 759.24 | — |
| 2026-07-31 | 728.24 | 764.65 | 724.79 | 762.63 | — |
| 2026-07-30 | 700 | 740 | 694.98 | 738.34 | — |
| 2026-07-29 | 699.38 | 702.6 | 691 | 695.42 | — |
| 2026-07-28 | 676.93 | 696.74 | 676.52 | 695.18 | — |
| 2026-07-27 | 662.3 | 678.12 | 659.53 | 667.17 | — |
| 2026-07-24 | 658.29 | 667.5 | 654.05 | 656.01 | — |
| 2026-07-23 | 646.48 | 655.2 | 637.8 | 651.91 | — |
| 2026-07-22 | 676.49 | 676.79 | 648.9 | 651.18 | — |
| 2026-07-21 | 672.55 | 678.67 | 666.88 | 675.19 | — |
| 2026-07-20 | 674.72 | 681.74 | 669.88 | 672.15 | — |
| 2026-07-17 | 676.05 | 691.13 | 672.31 | 676.69 | — |
| 2026-07-16 | 666.28 | 680.09 | 661.38 | 678.94 | — |
| 2026-07-15 | 656.11 | 669.1 | 648.66 | 664.45 | — |
| 2026-07-14 | 658 | 663.1 | 653.31 | 656.12 | — |
| 2026-07-13 | 661.63 | 665.6 | 655.11 | 663.09 | — |
| 2026-07-10 | 670.06 | 671.52 | 658.5 | 664.52 | — |
| 2026-07-09 | 660.84 | 669.16 | 660.8 | 667.95 | — |
| 2026-07-08 | 669.11 | 670.35 | 661.43 | 662.88 | — |
| 2026-07-07 | 663.18 | 677.92 | 659.02 | 676.23 | — |
| 2026-07-06 | 657.96 | 657.96 | 637.72 | 649.81 | — |
| 2026-07-02 | 630.52 | 654.93 | 625.7 | 654.27 | — |
| 2026-07-01 | 629.48 | 632.85 | 623.89 | 624.72 | — |
| 2026-06-30 | 630.95 | 634.06 | 622.29 | 623.54 | — |
| 2026-06-29 | 636.54 | 638.3 | 626.86 | 631.81 | — |
| 2026-06-26 | 623.64 | 638.76 | 623.44 | 632.9 | — |
| 2026-06-25 | 623.21 | 634.22 | 619.7 | 620.14 | — |
| 2026-06-24 | 621.35 | 630.92 | 619.27 | 623.43 | — |
| 2026-06-23 | 607.92 | 621.79 | 607.92 | 618.03 | — |
| 2026-06-22 | 604.46 | 613.56 | 594.9 | 612.5 | — |
| 2026-06-18 | 612.07 | 616.24 | 598.19 | 609.94 | — |
| 2026-06-17 | 615.16 | 620 | 602.13 | 607.93 | — |
| 2026-06-16 | 616.07 | 617.59 | 608.21 | 614.73 | — |
| 2026-06-15 | 613.35 | 615.95 | 608.59 | 614.98 | — |
| 2026-06-12 | 613.11 | 616.54 | 605.14 | 612.14 | — |
| 2026-06-11 | 604.02 | 618.1 | 603.65 | 611.48 | — |
| 2026-06-10 | 618.88 | 619.16 | 601.22 | 601.65 | — |
| 2026-06-09 | 624.17 | 628.9 | 610.95 | 616.18 | — |
| 2026-06-05 | 632.26 | 640.82 | 632.09 | 635.45 | — |
| 2026-06-04 | 628.07 | 633.89 | 621.11 | 628.73 | — |
| 2026-06-03 | 600.72 | 623.9 | 599 | 618.95 | — |
| 2026-06-02 | 596.65 | 604.63 | 591.52 | 602.92 | — |
| 2026-06-01 | 607.54 | 614 | 598.79 | 600.66 | — |
| 2026-05-29 | 620.11 | 624.47 | 609.77 | 614.78 | — |
| 2026-05-28 | 630.15 | 631.73 | 620.35 | 621.52 | — |
| 2026-05-27 | 635.14 | 638.06 | 625 | 627.74 | — |
| 2026-05-22 | 639.24 | 644.12 | 632.72 | 638.88 | — |
| 2026-05-21 | 645 | 650.32 | 639.81 | 642.59 | — |
| 2026-05-20 | 634.32 | 651 | 633.6 | 649.76 | — |
| 2026-05-19 | 630.38 | 639.99 | 616.2 | 630.3 | — |
| 2026-05-18 | 615.93 | 633 | 610.6 | 629.68 | — |
| 2026-05-15 | 713.76 | 717.89 | 693.7 | 698.25 | — |
| 2026-05-14 | 719 | 722.51 | 710.06 | 712.87 | — |
| 2026-05-13 | 721.29 | 730.59 | 709.51 | 719.88 | — |
| 2026-05-12 | 714 | 725.55 | 710.02 | 723.41 | — |
| 2026-05-11 | 716 | 727.39 | 702 | 712.77 | — |
| 2026-05-08 | 709.29 | 717.99 | 708.5 | 714.89 | — |
| 2026-05-07 | 718.5 | 725.31 | 707.43 | 709.1 | — |
| 2026-05-06 | 703.36 | 726.15 | 702.5 | 721.05 | — |
| 2026-05-05 | 710.73 | 715.61 | 699.22 | 702.27 | — |
| 2026-05-04 | 702.56 | 711.55 | 699.75 | 709.21 | — |
| 2026-05-01 | 703.02 | 714.48 | 700.26 | 701.42 | — |
| 2026-04-30 | 693.08 | 708.44 | 689 | 707.06 | — |
| 2026-04-29 | 701.05 | 708.8 | 668.84 | 686.36 | — |
| 2026-04-28 | 751.37 | 753.88 | 730.9 | 731.77 | — |
| 2026-04-27 | 745.47 | 756.4 | 743.61 | 744.44 | — |
| 2026-04-24 | 760 | 761.96 | 736.86 | 751.57 | — |
| 2026-04-23 | 750.99 | 767.21 | 747.26 | 766.02 | — |
| 2026-04-22 | 751.48 | 755.62 | 740.47 | 746.58 | — |
| 2026-04-21 | 746.22 | 751.54 | 734.12 | 747.36 | — |
| 2026-04-20 | 750 | 755.59 | 744 | 749.41 | — |
| 2026-04-17 | 754.74 | 758.61 | 746.91 | 750.57 | — |
| 2026-04-16 | 749.56 | 755.64 | 742.68 | 746 | — |
| 2026-04-15 | 758.67 | 760.58 | 739.12 | 753.93 | — |
| 2026-04-14 | 744.88 | 757.68 | 743.71 | 755.51 | — |