Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
772.03
-9.57 (-1.22%)
Mar 10, 2026, 4:00 PM EDT - Market closed
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | 781.67 | 788.69 | 771.34 | 772.03 | 772.03 | -1.22% | 472,109 |
| Mar 9, 2026 | 759.86 | 783.70 | 754.91 | 781.60 | 781.60 | 2.86% | 696,894 |
| 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 |
| 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 |