Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
755.51
+6.18 (0.82%)
At close: Jan 22, 2026, 4:00 PM EST
755.51
0.00 (0.00%)
After-hours: Jan 22, 2026, 5:37 PM EST
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jan 22, 2026 | 750.34 | 765.00 | 747.37 | 755.51 | - | 0.82% | 760,048 |
| Jan 21, 2026 | 736.71 | 750.00 | 735.00 | 749.33 | 749.33 | 2.12% | 787,267 |
| Jan 20, 2026 | 729.40 | 737.87 | 718.38 | 733.78 | 733.78 | 0.10% | 784,805 |
| Jan 16, 2026 | 749.09 | 749.09 | 726.43 | 733.04 | 733.04 | -1.20% | 1,682,407 |
| Jan 15, 2026 | 754.85 | 756.50 | 737.00 | 741.92 | 741.92 | -1.62% | 865,459 |
| Jan 14, 2026 | 760.58 | 766.64 | 753.01 | 754.14 | 754.14 | -0.63% | 668,782 |
| Jan 13, 2026 | 765.16 | 765.99 | 743.94 | 758.91 | 758.91 | -1.18% | 946,390 |
| Jan 12, 2026 | 810.00 | 811.09 | 765.08 | 768.00 | 768.00 | -3.58% | 1,320,853 |
| Jan 9, 2026 | 802.97 | 821.11 | 790.88 | 796.55 | 796.55 | -0.56% | 711,531 |
| Jan 8, 2026 | 805.81 | 816.99 | 800.68 | 801.01 | 801.01 | -1.39% | 1,049,237 |
| Jan 7, 2026 | 786.18 | 814.10 | 780.10 | 812.27 | 812.27 | 4.60% | 1,258,935 |
| Jan 6, 2026 | 764.35 | 787.66 | 763.20 | 776.54 | 776.54 | 1.74% | 930,913 |
| Jan 5, 2026 | 769.72 | 771.99 | 753.20 | 763.23 | 763.23 | -1.68% | 835,164 |
| Jan 2, 2026 | 774.25 | 779.75 | 765.77 | 776.31 | 776.31 | 0.58% | 464,387 |
| Dec 31, 2025 | 772.00 | 775.00 | 769.17 | 771.87 | 771.87 | -0.27% | 351,749 |
| Dec 30, 2025 | 776.30 | 777.77 | 770.30 | 773.94 | 773.94 | -0.84% | 383,137 |
| Dec 29, 2025 | 780.56 | 785.05 | 774.60 | 780.50 | 780.50 | -0.57% | 525,962 |
| Dec 26, 2025 | 783.79 | 788.01 | 778.04 | 784.97 | 784.97 | 0.16% | 320,299 |
| Dec 24, 2025 | 787.99 | 792.77 | 783.61 | 783.71 | 783.71 | -0.19% | 262,754 |
| Dec 23, 2025 | 777.36 | 792.75 | 777.00 | 785.17 | 785.17 | 0.75% | 774,384 |
| Dec 22, 2025 | 765.84 | 783.60 | 765.09 | 779.36 | 779.36 | 1.48% | 811,174 |
| Dec 19, 2025 | 753.72 | 773.85 | 748.18 | 767.96 | 767.96 | 2.57% | 2,217,866 |
| Dec 18, 2025 | 747.54 | 752.84 | 739.23 | 748.71 | 748.71 | -0.14% | 1,057,588 |
| Dec 17, 2025 | 746.55 | 751.99 | 743.33 | 749.79 | 749.79 | 0.46% | 765,911 |
| Dec 16, 2025 | 752.57 | 757.35 | 734.72 | 746.36 | 746.36 | -0.83% | 713,243 |
| Dec 15, 2025 | 748.85 | 756.67 | 746.38 | 752.62 | 752.62 | 1.53% | 932,936 |
| Dec 12, 2025 | 741.59 | 746.05 | 734.38 | 741.29 | 741.29 | -0.74% | 804,841 |
| Dec 11, 2025 | 726.08 | 753.61 | 726.08 | 746.80 | 746.80 | 2.84% | 1,153,882 |
| Dec 10, 2025 | 695.06 | 728.00 | 692.50 | 726.21 | 726.21 | 4.86% | 1,316,662 |
| Dec 9, 2025 | 705.11 | 711.15 | 691.86 | 692.58 | 692.58 | -1.52% | 604,535 |
| Dec 8, 2025 | 723.69 | 724.13 | 701.75 | 703.26 | 703.26 | -2.10% | 1,005,953 |
| Dec 5, 2025 | 723.00 | 736.15 | 717.27 | 718.36 | 718.36 | -0.61% | 798,452 |
| Dec 4, 2025 | 732.45 | 735.00 | 721.22 | 722.80 | 722.80 | -0.12% | 1,067,133 |
| Dec 3, 2025 | 730.36 | 744.23 | 720.07 | 723.67 | 723.67 | -2.47% | 1,238,676 |
| Dec 2, 2025 | 742.12 | 747.00 | 731.00 | 742.00 | 742.00 | -1.08% | 924,677 |
| Dec 1, 2025 | 775.60 | 779.92 | 748.15 | 750.11 | 750.11 | -3.86% | 992,389 |
| Nov 28, 2025 | 784.70 | 788.98 | 779.50 | 780.19 | 780.19 | -0.56% | 510,377 |
| Nov 26, 2025 | 785.72 | 790.98 | 777.00 | 784.61 | 784.61 | -0.34% | 871,691 |
| Nov 25, 2025 | 764.88 | 790.57 | 760.01 | 787.32 | 787.32 | 3.40% | 1,200,573 |
| Nov 24, 2025 | 759.05 | 773.13 | 756.64 | 761.45 | 761.45 | 0.73% | 1,554,940 |
| Nov 21, 2025 | 736.01 | 764.09 | 735.74 | 755.90 | 755.90 | 2.56% | 1,427,897 |
| Nov 20, 2025 | 725.00 | 753.51 | 720.02 | 737.00 | 737.00 | 4.87% | 2,297,145 |
| Nov 19, 2025 | 727.81 | 727.81 | 702.63 | 702.75 | 701.87 | -3.11% | 1,383,591 |
| Nov 18, 2025 | 702.51 | 727.97 | 699.22 | 725.34 | 724.43 | 2.99% | 1,368,882 |
| Nov 17, 2025 | 693.34 | 711.88 | 692.29 | 704.31 | 703.43 | 1.56% | 1,133,105 |
| Nov 14, 2025 | 697.19 | 699.27 | 685.95 | 693.50 | 692.63 | -0.21% | 907,089 |
| Nov 13, 2025 | 683.00 | 713.58 | 679.93 | 694.99 | 694.12 | 1.95% | 1,505,339 |
| Nov 12, 2025 | 678.89 | 690.78 | 672.67 | 681.72 | 680.87 | 1.06% | 1,208,307 |
| Nov 11, 2025 | 651.48 | 676.33 | 651.38 | 674.55 | 673.71 | 3.03% | 977,533 |
| Nov 10, 2025 | 656.00 | 665.99 | 653.19 | 654.74 | 653.92 | -0.42% | 824,903 |