Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
687.50
-44.27 (-6.05%)
Apr 29, 2026, 10:17 AM EDT - Market open
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | 705.11 | 705.11 | 705.11 | 705.11 | - | -3.64% | 17,331 |
| Apr 28, 2026 | 751.37 | 754.00 | 730.90 | 731.77 | 731.77 | -1.70% | 569,024 |
| Apr 27, 2026 | 745.47 | 756.40 | 743.61 | 744.44 | 744.44 | -0.95% | 603,283 |
| Apr 24, 2026 | 760.00 | 761.96 | 736.71 | 751.57 | 751.57 | -1.89% | 809,546 |
| Apr 23, 2026 | 750.99 | 767.21 | 747.26 | 766.02 | 766.02 | 2.60% | 928,723 |
| Apr 22, 2026 | 751.48 | 755.78 | 740.47 | 746.58 | 746.58 | -0.10% | 901,955 |
| Apr 21, 2026 | 746.20 | 751.54 | 734.12 | 747.36 | 747.36 | -0.27% | 707,466 |
| Apr 20, 2026 | 750.00 | 755.59 | 744.00 | 749.41 | 749.41 | -0.15% | 493,842 |
| Apr 17, 2026 | 754.74 | 758.61 | 746.91 | 750.57 | 750.57 | 0.61% | 512,998 |
| Apr 16, 2026 | 749.56 | 756.00 | 742.69 | 746.00 | 746.00 | -1.05% | 505,374 |
| Apr 15, 2026 | 758.67 | 760.58 | 739.12 | 753.93 | 753.93 | -0.21% | 571,311 |
| Apr 14, 2026 | 744.97 | 757.68 | 743.71 | 755.51 | 755.51 | 1.21% | 637,779 |
| Apr 13, 2026 | 747.74 | 756.90 | 737.34 | 746.46 | 746.46 | -0.32% | 747,093 |
| Apr 10, 2026 | 771.48 | 771.48 | 739.09 | 748.87 | 748.87 | -2.47% | 751,457 |
| Apr 9, 2026 | 764.15 | 772.45 | 761.50 | 767.85 | 767.85 | -0.99% | 596,831 |
| Apr 8, 2026 | 765.26 | 775.63 | 755.99 | 775.53 | 775.53 | 2.01% | 580,427 |
| Apr 7, 2026 | 758.40 | 761.91 | 747.76 | 760.27 | 760.27 | -0.36% | 620,874 |
| Apr 6, 2026 | 766.83 | 768.80 | 758.49 | 763.04 | 763.04 | 0.16% | 460,419 |
| Apr 2, 2026 | 767.04 | 770.11 | 745.00 | 761.85 | 761.85 | -1.98% | 1,000,702 |
| Apr 1, 2026 | 775.00 | 781.21 | 769.97 | 777.25 | 777.25 | 0.60% | 627,412 |
| Mar 31, 2026 | 757.47 | 774.26 | 755.80 | 772.64 | 772.64 | 3.12% | 642,702 |
| Mar 30, 2026 | 743.83 | 757.68 | 741.47 | 749.29 | 749.29 | 1.57% | 630,455 |
| Mar 27, 2026 | 756.65 | 759.47 | 736.64 | 737.71 | 737.71 | -2.51% | 492,197 |
| Mar 26, 2026 | 749.40 | 761.73 | 747.77 | 756.73 | 756.73 | 0.97% | 488,587 |
| Mar 25, 2026 | 744.67 | 757.98 | 744.02 | 749.47 | 749.47 | 1.05% | 553,090 |
| Mar 24, 2026 | 728.51 | 743.17 | 727.96 | 741.69 | 741.69 | 0.70% | 507,979 |
| Mar 23, 2026 | 745.00 | 750.00 | 735.00 | 736.53 | 736.53 | 0.50% | 535,936 |
| Mar 20, 2026 | 738.17 | 744.85 | 728.64 | 732.87 | 732.87 | -0.62% | 1,359,993 |
| Mar 19, 2026 | 744.50 | 750.32 | 727.88 | 737.45 | 737.45 | -0.90% | 628,268 |
| Mar 18, 2026 | 751.22 | 757.60 | 734.56 | 744.12 | 744.12 | -1.97% | 672,598 |
| Mar 17, 2026 | 763.53 | 771.23 | 755.64 | 759.05 | 759.05 | 0.28% | 437,038 |
| Mar 16, 2026 | 750.00 | 763.30 | 747.01 | 756.91 | 756.91 | 1.49% | 396,216 |
| Mar 13, 2026 | 754.55 | 758.98 | 741.90 | 745.77 | 745.77 | -0.11% | 438,297 |
| Mar 12, 2026 | 764.06 | 766.00 | 744.00 | 746.61 | 746.61 | -3.62% | 630,421 |
| Mar 11, 2026 | 769.17 | 783.12 | 765.00 | 774.66 | 774.66 | 0.34% | 405,249 |
| Mar 10, 2026 | 781.67 | 788.69 | 771.34 | 772.03 | 772.03 | -1.22% | 473,422 |
| Mar 9, 2026 | 759.86 | 783.70 | 754.91 | 781.60 | 781.60 | 2.86% | 697,070 |
| Mar 6, 2026 | 755.01 | 762.40 | 746.66 | 759.86 | 759.86 | -0.66% | 561,908 |
| Mar 5, 2026 | 780.00 | 781.99 | 760.01 | 764.93 | 764.93 | -2.87% | 657,525 |
| Mar 4, 2026 | 767.05 | 791.60 | 764.24 | 787.50 | 787.50 | 2.72% | 641,608 |
| Mar 3, 2026 | 781.01 | 794.77 | 764.49 | 766.66 | 766.66 | -3.05% | 637,256 |
| Mar 2, 2026 | 771.10 | 793.16 | 769.63 | 790.81 | 790.81 | 1.17% | 793,325 |
| 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 |