Regeneron Pharmaceuticals, Inc. (ETR:RGO)
644.40
-20.00 (-3.01%)
At close: Feb 26, 2026
Regeneron Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 26, 2026 | 671.00 | 671.00 | 644.40 | 644.40 | 644.40 | -3.01% | 6 |
| Feb 25, 2026 | 662.60 | 664.40 | 653.00 | 664.40 | 664.40 | 0.61% | 136 |
| Feb 24, 2026 | 667.00 | 668.40 | 655.40 | 660.40 | 660.40 | -0.87% | 101 |
| Feb 23, 2026 | 661.40 | 668.20 | 650.60 | 666.20 | 666.20 | 1.31% | 101 |
| Feb 20, 2026 | 656.80 | 661.60 | 656.80 | 657.60 | 657.60 | -1.35% | 16 |
| Feb 19, 2026 | 666.60 | 666.60 | 666.60 | 666.60 | 665.80 | -0.74% | - |
| Feb 18, 2026 | 671.60 | 671.60 | 671.60 | 671.60 | 670.80 | 0.48% | - |
| Feb 17, 2026 | 668.40 | 668.40 | 668.40 | 668.40 | 667.60 | -1.07% | - |
| Feb 13, 2026 | 672.20 | 675.60 | 672.20 | 675.60 | 674.79 | 1.87% | 1 |
| Feb 12, 2026 | 658.60 | 669.80 | 658.60 | 663.20 | 662.41 | 2.54% | 108 |
| Feb 11, 2026 | 633.20 | 646.80 | 633.20 | 646.80 | 646.02 | -0.77% | 61 |
| Feb 10, 2026 | 657.00 | 657.00 | 647.20 | 651.80 | 651.02 | -0.12% | 11 |
| Feb 9, 2026 | 665.00 | 665.00 | 652.60 | 652.60 | 651.82 | -1.66% | 99 |
| Feb 6, 2026 | 655.40 | 663.60 | 655.20 | 663.60 | 662.80 | -0.63% | 25 |
| Feb 5, 2026 | 657.80 | 667.80 | 657.20 | 667.80 | 667.00 | 2.30% | 94 |
| Feb 4, 2026 | 641.40 | 653.60 | 641.40 | 652.80 | 652.02 | 1.37% | 19 |
| Feb 3, 2026 | 637.80 | 653.80 | 636.20 | 644.00 | 643.23 | 0.69% | 257 |
| Feb 2, 2026 | 623.00 | 639.60 | 623.00 | 639.60 | 638.83 | 3.36% | 20 |
| Jan 30, 2026 | 611.40 | 618.80 | 611.40 | 618.80 | 618.06 | -0.87% | 210 |
| Jan 29, 2026 | 627.20 | 630.20 | 624.20 | 624.20 | 623.45 | -1.55% | 169 |
| Jan 28, 2026 | 641.20 | 641.20 | 634.00 | 634.00 | 633.24 | -1.43% | 27 |
| Jan 27, 2026 | 642.40 | 643.20 | 642.40 | 643.20 | 642.43 | 0.25% | 37 |
| Jan 26, 2026 | 635.00 | 641.60 | 632.80 | 641.60 | 640.83 | 0.22% | 232 |
| Jan 23, 2026 | 645.80 | 645.80 | 640.20 | 640.20 | 639.43 | -0.62% | 44 |
| Jan 22, 2026 | 640.40 | 645.40 | 640.40 | 644.20 | 643.43 | 1.71% | 67 |
| Jan 21, 2026 | 628.20 | 640.40 | 622.00 | 633.40 | 632.64 | 1.34% | 182 |
| Jan 20, 2026 | 618.80 | 625.00 | 616.80 | 625.00 | 624.25 | 1.10% | 383 |
| Jan 19, 2026 | 627.40 | 627.40 | 616.20 | 618.20 | 617.46 | -2.34% | 16 |
| Jan 16, 2026 | 637.60 | 637.60 | 630.60 | 633.00 | 632.24 | -1.25% | 48 |
| Jan 15, 2026 | 654.40 | 654.40 | 639.60 | 641.00 | 640.23 | -1.14% | 771 |
| Jan 14, 2026 | 650.40 | 651.20 | 648.40 | 648.40 | 647.62 | 0.06% | 13 |
| Jan 13, 2026 | 660.80 | 660.80 | 646.80 | 648.00 | 647.22 | -3.66% | 81 |
| Jan 12, 2026 | 680.20 | 687.60 | 671.60 | 672.60 | 671.79 | -2.27% | 201 |
| Jan 9, 2026 | 696.00 | 702.60 | 688.20 | 688.20 | 687.38 | -1.77% | 31 |
| Jan 8, 2026 | 690.40 | 700.60 | 690.20 | 700.60 | 699.76 | 2.61% | 92 |
| Jan 7, 2026 | 659.60 | 682.80 | 659.40 | 682.80 | 681.98 | 2.68% | 68 |
| Jan 6, 2026 | 663.00 | 665.00 | 663.00 | 665.00 | 664.20 | 2.40% | 6 |
| Jan 5, 2026 | 658.40 | 662.80 | 647.00 | 649.40 | 648.62 | -1.75% | 45 |
| Jan 2, 2026 | 665.60 | 666.80 | 660.80 | 661.00 | 660.21 | -0.12% | 140 |
| Dec 30, 2025 | 655.00 | 661.80 | 655.00 | 661.80 | 661.01 | -0.03% | 8 |
| Dec 29, 2025 | 667.20 | 667.20 | 661.80 | 662.00 | 661.21 | -0.54% | 29 |
| Dec 23, 2025 | 658.00 | 665.60 | 658.00 | 665.60 | 664.80 | 0.18% | 5 |
| Dec 22, 2025 | 664.00 | 664.40 | 664.00 | 664.40 | 663.60 | 1.96% | 30 |
| Dec 19, 2025 | 651.60 | 651.60 | 651.60 | 651.60 | 650.82 | 2.04% | 50 |
| Dec 18, 2025 | 635.20 | 639.60 | 635.00 | 638.60 | 637.83 | 0.28% | 56 |
| Dec 17, 2025 | 636.80 | 636.80 | 636.80 | 636.80 | 636.04 | 1.30% | - |
| Dec 16, 2025 | 642.00 | 642.00 | 628.60 | 628.60 | 627.85 | -1.84% | 15 |
| Dec 15, 2025 | 635.40 | 640.40 | 635.40 | 640.40 | 639.63 | 1.46% | 6 |
| Dec 12, 2025 | 629.00 | 631.20 | 629.00 | 631.20 | 630.44 | 0.29% | 33 |
| Dec 11, 2025 | 619.40 | 633.60 | 619.40 | 629.40 | 628.65 | 5.25% | 45 |