Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
732.43
-2.38 (-0.32%)
Oct 2, 2026, 11:17 AM EDT - Market open
Regeneron Pharmaceuticals Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 740.50 | 742.50 | 730.00 | 734.57 | - | -0.03% | 95,989 |
| Oct 1, 2026 | 766.53 | 777.43 | 726.02 | 734.81 | 734.81 | -3.09% | 1,041,295 |
| Sep 30, 2026 | 749.84 | 763.72 | 742.94 | 758.27 | 758.27 | 1.03% | 867,809 |
| Sep 29, 2026 | 745.85 | 752.47 | 741.83 | 750.51 | 750.51 | -0.23% | 804,328 |
| Sep 28, 2026 | 778.09 | 780.95 | 750.00 | 752.25 | 752.25 | -4.54% | 1,149,832 |
| Sep 25, 2026 | 803.87 | 803.87 | 784.13 | 788.04 | 788.04 | -1.00% | 592,145 |
| Sep 24, 2026 | 801.59 | 807.21 | 789.39 | 796.02 | 796.02 | -0.72% | 602,653 |
| Sep 23, 2026 | 805.23 | 813.53 | 790.02 | 801.82 | 801.82 | -0.26% | 721,110 |
| Sep 22, 2026 | 802.48 | 811.66 | 791.31 | 803.90 | 803.90 | 0.72% | 600,266 |
| Sep 21, 2026 | 786.03 | 801.44 | 779.96 | 798.17 | 798.17 | 1.70% | 704,526 |
| Sep 18, 2026 | 787.34 | 794.73 | 779.65 | 784.85 | 784.85 | -0.58% | 2,473,436 |
| Sep 17, 2026 | 781.18 | 789.99 | 774.78 | 789.45 | 789.45 | 1.92% | 702,816 |
| Sep 16, 2026 | 775.82 | 779.98 | 771.80 | 774.61 | 774.61 | 0.06% | 382,945 |
| Sep 15, 2026 | 788.53 | 788.58 | 769.57 | 774.11 | 774.11 | -2.47% | 540,837 |
| Sep 14, 2026 | 791.98 | 798.84 | 779.45 | 793.74 | 793.74 | 1.57% | 591,295 |
| Sep 11, 2026 | 800.00 | 800.22 | 780.81 | 781.49 | 781.49 | -1.48% | 443,986 |
| Sep 10, 2026 | 794.36 | 806.14 | 792.00 | 793.26 | 793.26 | -1.78% | 526,911 |
| Sep 9, 2026 | 803.83 | 808.63 | 796.73 | 807.65 | 807.65 | -0.33% | 621,458 |
| Sep 8, 2026 | 814.36 | 821.17 | 799.42 | 810.31 | 810.31 | -2.10% | 556,536 |
| Sep 4, 2026 | 840.06 | 841.54 | 825.83 | 827.72 | 827.72 | -1.87% | 561,170 |
| Sep 3, 2026 | 858.19 | 859.34 | 837.63 | 843.47 | 843.47 | -1.00% | 496,255 |
| Sep 2, 2026 | 826.24 | 854.49 | 825.77 | 852.03 | 852.03 | 3.42% | 749,453 |
| Sep 1, 2026 | 808.86 | 824.63 | 804.32 | 823.82 | 823.82 | 3.10% | 682,806 |
| Aug 31, 2026 | 782.44 | 802.78 | 779.08 | 799.08 | 799.08 | 0.62% | 894,268 |
| Aug 28, 2026 | 809.40 | 809.40 | 789.08 | 794.19 | 794.19 | -1.67% | 488,305 |
| Aug 27, 2026 | 806.18 | 817.62 | 804.27 | 807.71 | 807.71 | -0.87% | 766,990 |
| Aug 26, 2026 | 827.78 | 831.67 | 814.70 | 814.79 | 814.79 | -2.25% | 585,370 |
| Aug 25, 2026 | 829.22 | 839.94 | 823.44 | 833.56 | 833.56 | 0.61% | 505,424 |
| Aug 24, 2026 | 834.51 | 834.70 | 823.40 | 828.50 | 828.50 | -0.66% | 672,012 |
| Aug 21, 2026 | 835.74 | 847.00 | 826.64 | 834.04 | 834.04 | 0.90% | 786,921 |
| Aug 20, 2026 | 831.70 | 840.82 | 826.05 | 826.64 | 826.64 | -1.69% | 596,474 |
| Aug 19, 2026 | 817.17 | 844.92 | 815.38 | 840.84 | 840.84 | 3.78% | 750,445 |
| Aug 18, 2026 | 814.00 | 821.02 | 805.93 | 810.24 | 810.24 | 0.65% | 779,072 |
| Aug 17, 2026 | 801.76 | 813.18 | 795.73 | 805.93 | 804.99 | 0.30% | 541,306 |
| Aug 14, 2026 | 802.35 | 806.54 | 792.57 | 803.48 | 802.54 | -0.31% | 425,600 |
| Aug 13, 2026 | 802.21 | 815.80 | 794.49 | 805.97 | 805.03 | 1.00% | 709,747 |
| Aug 12, 2026 | 790.55 | 801.36 | 784.61 | 797.99 | 797.06 | 0.12% | 575,164 |
| Aug 11, 2026 | 808.80 | 813.63 | 796.66 | 797.00 | 796.07 | -1.37% | 939,190 |
| Aug 10, 2026 | 781.72 | 809.09 | 775.83 | 808.05 | 807.11 | 3.02% | 1,213,798 |
| Aug 7, 2026 | 774.47 | 785.99 | 767.17 | 784.36 | 783.45 | 1.59% | 837,598 |
| Aug 6, 2026 | 777.85 | 780.95 | 762.79 | 772.11 | 771.21 | 0.46% | 783,950 |
| Aug 5, 2026 | 767.98 | 782.59 | 763.31 | 768.58 | 767.68 | 1.04% | 532,482 |
| Aug 4, 2026 | 753.76 | 763.54 | 747.00 | 760.66 | 759.77 | 0.19% | 817,280 |
| Aug 3, 2026 | 769.54 | 772.75 | 756.44 | 759.24 | 758.35 | -0.44% | 842,730 |
| Jul 31, 2026 | 726.69 | 764.75 | 724.79 | 762.63 | 761.74 | 3.29% | 1,158,583 |
| Jul 30, 2026 | 701.90 | 740.00 | 694.98 | 738.34 | 737.48 | 6.17% | 1,460,963 |
| Jul 29, 2026 | 699.38 | 702.60 | 691.00 | 695.42 | 694.61 | 0.03% | 1,022,421 |
| Jul 28, 2026 | 676.93 | 696.74 | 676.46 | 695.18 | 694.37 | 4.20% | 900,408 |
| Jul 27, 2026 | 661.77 | 678.12 | 659.53 | 667.17 | 666.39 | 1.70% | 650,984 |
| Jul 24, 2026 | 658.29 | 667.50 | 654.05 | 656.01 | 655.24 | 0.63% | 708,392 |