Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
752.40
+1.83 (0.24%)
Apr 20, 2026, 2:50 PM EDT - Market open
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 20, 2026 | 750.00 | 755.59 | 744.00 | 751.22 | - | 0.09% | 240,313 |
| Apr 17, 2026 | 754.74 | 758.61 | 746.91 | 750.57 | 750.57 | 0.61% | 512,324 |
| Apr 16, 2026 | 749.56 | 756.00 | 742.69 | 746.00 | 746.00 | -1.05% | 503,642 |
| Apr 15, 2026 | 758.67 | 760.58 | 739.12 | 753.93 | 753.93 | -0.21% | 556,407 |
| Apr 14, 2026 | 744.97 | 757.68 | 743.71 | 755.51 | 755.51 | 1.21% | 635,842 |
| Apr 13, 2026 | 747.74 | 756.90 | 737.34 | 746.46 | 746.46 | -0.32% | 745,249 |
| Apr 10, 2026 | 771.48 | 771.48 | 739.09 | 748.87 | 748.87 | -2.47% | 748,297 |
| Apr 9, 2026 | 764.15 | 772.45 | 761.50 | 767.85 | 767.85 | -0.99% | 594,526 |
| Apr 8, 2026 | 765.26 | 775.63 | 755.99 | 775.53 | 775.53 | 2.01% | 578,399 |
| Apr 7, 2026 | 758.40 | 761.91 | 747.76 | 760.27 | 760.27 | -0.36% | 619,848 |
| Apr 6, 2026 | 766.83 | 768.80 | 758.49 | 763.04 | 763.04 | 0.16% | 460,289 |
| Apr 2, 2026 | 767.04 | 770.11 | 745.00 | 761.85 | 761.85 | -1.98% | 999,680 |
| Apr 1, 2026 | 775.00 | 781.21 | 769.97 | 777.25 | 777.25 | 0.60% | 620,269 |
| Mar 31, 2026 | 757.47 | 774.26 | 755.80 | 772.64 | 772.64 | 3.12% | 640,464 |
| Mar 30, 2026 | 743.83 | 757.68 | 741.47 | 749.29 | 749.29 | 1.57% | 621,102 |
| Mar 27, 2026 | 756.65 | 759.47 | 736.64 | 737.71 | 737.71 | -2.51% | 489,372 |
| Mar 26, 2026 | 749.40 | 761.73 | 747.77 | 756.73 | 756.73 | 0.97% | 488,371 |
| Mar 25, 2026 | 744.67 | 757.98 | 744.02 | 749.47 | 749.47 | 1.05% | 552,978 |
| Mar 24, 2026 | 728.51 | 743.17 | 727.96 | 741.69 | 741.69 | 0.70% | 506,274 |
| Mar 23, 2026 | 745.00 | 750.00 | 735.00 | 736.53 | 736.53 | 0.50% | 534,579 |
| Mar 20, 2026 | 738.17 | 744.85 | 728.64 | 732.87 | 732.87 | -0.62% | 1,359,912 |
| 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 |
| 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 |