Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
663.09
-1.43 (-0.22%)
At close: Jul 13, 2026, 4:00 PM EDT
667.00
+3.91 (0.59%)
After-hours: Jul 13, 2026, 7:59 PM EDT
Regeneron Pharmaceuticals Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 13, 2026 | 661.63 | 665.60 | 655.11 | 663.09 | 663.09 | -0.22% | 604,951 |
| Jul 10, 2026 | 670.06 | 676.66 | 658.50 | 664.52 | 664.52 | -0.51% | 565,814 |
| Jul 9, 2026 | 660.80 | 669.16 | 660.80 | 667.95 | 667.95 | 0.76% | 671,227 |
| Jul 8, 2026 | 669.11 | 670.35 | 661.43 | 662.88 | 662.88 | -1.97% | 746,727 |
| Jul 7, 2026 | 663.18 | 677.92 | 659.02 | 676.23 | 676.23 | 4.07% | 918,176 |
| Jul 6, 2026 | 657.96 | 657.96 | 637.72 | 649.81 | 649.81 | -0.68% | 712,937 |
| Jul 2, 2026 | 630.52 | 654.94 | 625.70 | 654.27 | 654.27 | 4.73% | 1,041,867 |
| Jul 1, 2026 | 629.90 | 632.85 | 623.89 | 624.72 | 624.72 | 0.19% | 1,063,956 |
| Jun 30, 2026 | 630.95 | 634.06 | 622.29 | 623.54 | 623.54 | -1.31% | 820,902 |
| Jun 29, 2026 | 635.99 | 638.30 | 626.86 | 631.81 | 631.81 | -0.17% | 734,528 |
| Jun 26, 2026 | 623.64 | 638.76 | 623.44 | 632.90 | 632.90 | 2.06% | 1,213,634 |
| Jun 25, 2026 | 623.16 | 634.31 | 619.70 | 620.14 | 620.14 | -0.53% | 696,862 |
| Jun 24, 2026 | 621.63 | 631.18 | 619.27 | 623.43 | 623.43 | 0.87% | 839,934 |
| Jun 23, 2026 | 607.92 | 621.79 | 607.92 | 618.03 | 618.03 | 0.90% | 1,279,871 |
| Jun 22, 2026 | 604.46 | 613.56 | 594.90 | 612.50 | 612.50 | 0.42% | 1,604,297 |
| Jun 18, 2026 | 612.07 | 616.24 | 598.19 | 609.94 | 609.94 | 0.33% | 2,609,258 |
| Jun 17, 2026 | 615.16 | 620.00 | 602.13 | 607.93 | 607.93 | -1.11% | 1,299,691 |
| Jun 16, 2026 | 615.18 | 617.60 | 608.21 | 614.73 | 614.73 | -0.04% | 1,007,463 |
| Jun 15, 2026 | 613.35 | 615.95 | 608.59 | 614.98 | 614.98 | 0.46% | 815,879 |
| Jun 12, 2026 | 613.11 | 616.55 | 605.01 | 612.14 | 612.14 | 0.11% | 717,780 |
| Jun 11, 2026 | 604.31 | 618.10 | 603.57 | 611.48 | 611.48 | 1.63% | 943,173 |
| Jun 10, 2026 | 619.07 | 619.26 | 601.22 | 601.65 | 601.65 | -2.36% | 816,110 |
| Jun 9, 2026 | 624.17 | 628.90 | 610.95 | 616.18 | 616.18 | 0.79% | 1,190,659 |
| Jun 8, 2026 | 638.04 | 638.95 | 608.98 | 611.34 | 611.34 | -3.79% | 1,259,234 |
| Jun 5, 2026 | 632.26 | 640.82 | 632.09 | 635.45 | 635.45 | 1.07% | 975,793 |
| Jun 4, 2026 | 628.07 | 633.89 | 621.11 | 628.73 | 628.73 | 1.58% | 974,745 |
| Jun 3, 2026 | 600.79 | 625.00 | 599.00 | 618.95 | 618.95 | 2.66% | 986,685 |
| Jun 2, 2026 | 596.52 | 604.63 | 591.52 | 602.92 | 602.92 | 0.38% | 1,067,006 |
| Jun 1, 2026 | 607.54 | 614.00 | 598.80 | 600.66 | 600.66 | -2.30% | 1,080,307 |
| May 29, 2026 | 620.11 | 624.47 | 609.77 | 614.78 | 614.78 | -1.08% | 2,187,707 |
| May 28, 2026 | 630.15 | 631.73 | 620.35 | 621.52 | 621.52 | -0.99% | 1,234,667 |
| May 27, 2026 | 634.80 | 638.06 | 625.00 | 627.74 | 627.74 | -1.08% | 1,913,613 |
| May 26, 2026 | 642.45 | 648.50 | 632.68 | 634.62 | 634.62 | -0.67% | 889,901 |
| May 22, 2026 | 639.24 | 644.12 | 632.72 | 638.88 | 638.88 | -0.58% | 995,023 |
| May 21, 2026 | 645.00 | 650.32 | 639.81 | 642.59 | 642.59 | -1.10% | 1,178,558 |
| May 20, 2026 | 634.32 | 651.00 | 633.60 | 649.76 | 649.76 | 3.24% | 1,165,758 |
| May 19, 2026 | 630.49 | 639.99 | 616.02 | 630.30 | 629.36 | 0.10% | 1,445,135 |
| May 18, 2026 | 615.93 | 633.00 | 610.60 | 629.68 | 628.74 | -9.82% | 2,996,891 |
| May 15, 2026 | 712.69 | 717.89 | 693.70 | 698.25 | 697.21 | -2.05% | 728,233 |
| May 14, 2026 | 719.00 | 722.51 | 710.06 | 712.87 | 711.81 | -0.97% | 767,205 |
| May 13, 2026 | 721.29 | 730.59 | 709.51 | 719.88 | 718.81 | -0.49% | 879,367 |
| May 12, 2026 | 716.39 | 725.60 | 710.02 | 723.41 | 722.33 | 1.49% | 824,575 |
| May 11, 2026 | 714.99 | 727.39 | 701.99 | 712.77 | 711.71 | -0.30% | 1,227,186 |
| May 8, 2026 | 709.29 | 717.99 | 708.36 | 714.89 | 713.82 | 0.82% | 589,041 |
| May 7, 2026 | 718.50 | 725.31 | 707.43 | 709.10 | 708.04 | -1.66% | 774,679 |
| May 6, 2026 | 703.33 | 726.16 | 702.50 | 721.05 | 719.97 | 2.67% | 739,914 |
| May 5, 2026 | 710.73 | 715.62 | 699.23 | 702.27 | 701.22 | -0.98% | 642,799 |
| May 4, 2026 | 702.56 | 711.55 | 699.75 | 709.21 | 708.15 | 1.11% | 554,271 |
| May 1, 2026 | 703.02 | 714.48 | 700.26 | 701.42 | 700.37 | -0.80% | 729,185 |
| Apr 30, 2026 | 693.08 | 708.44 | 688.95 | 707.06 | 706.01 | 3.02% | 1,096,636 |