Regeneron Pharmaceuticals Stock Price History
NASDAQ: REGNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
746.54+6.97 (+0.94%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
REGN price history at a glance
The price history for Regeneron Pharmaceuticals (REGN) on this page begins on April 1, 1991, when the stock closed at $17.75; it most recently closed at $746.54 on October 5, 2026. The highest price in this record is $1,211.20, reached on August 26, 2024; the latest close is 38.4% below that peak. Across the 34 complete calendar years in the table, REGN finished higher in 22 and lower in 12. Its best year was 1995 (+325.0%) and its worst was 1994 (-80.6%).
Over roughly 36 years the share price changed +4105.9%, a 11.1% compound annual price return (excluding dividends). In the last 12 months alone, REGN has gained 31.0%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1991
- $1,211.20
- Date of high
- Aug 26, 2024
- Low since 1991
- $3.00
- Date of low
- Dec 26, 1994
- 52-week high
- $859.34
- 52-week low
- $541.00
- IPO year
- 1991
- Last close
- $746.54
REGN returns
1 week
+1.54%
1 month
-7.57%
3 months
+12.34%
6 months
-0.31%
Year to date
-3.28%
1 year
+30.99%
3 years
-11.92%
5 years
+33.68%
REGN price return, excluding dividends.
REGN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 746.54 | -3.83% |
| 2025 | 776.31 | +8.10% |
| 2024 | 718.15 | -18.23% |
| 2023 | 878.29 | +21.73% |
| 2022 | 721.49 | +14.25% |
| 2021 | 631.52 | +30.72% |
| 2020 | 483.11 | +30.87% |
| 2019 | 369.16 | -7.14% |
| 2018 | 397.55 | +5.74% |
| 2017 | 375.96 | +2.42% |
| 2016 | 367.09 | -32.38% |
| 2015 | 542.87 | +32.36% |
| 2014 | 410.16 | +50.93% |
| 2013 | 271.75 | +50.08% |
| 2012 | 181.07 | +226.66% |
| 2011 | 55.43 | +68.84% |
| 2010 | 32.83 | +35.77% |
| 2009 | 24.18 | +29.30% |
| 2008 | 18.70 | -16.85% |
| 2007 | 22.49 | +12.06% |
| 2006 | 20.07 | +26.23% |
| 2005 | 15.90 | +72.64% |
| 2004 | 9.21 | -38.80% |
| 2003 | 15.05 | -18.91% |
| 2002 | 18.56 | -32.19% |
| 2001 | 27.37 | -22.39% |
| 2000 | 35.27 | +176.59% |
| 1999 | 12.75 | +72.88% |
| 1998 | 7.38 | -16.90% |
| 1997 | 8.88 | -50.69% |
| 1996 | 18.00 | +41.18% |
| 1995 | 12.75 | +325.00% |
| 1994 | 3.00 | -80.65% |
| 1993 | 15.50 | +29.17% |
| 1992 | 12.00 | -34.25% |
| 1991* | 18.25 | +2.82% |
* Partial year: the record begins after the start of 1991; return measured from the first available close.
2026 return is year to date.
REGN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 737.20 | 751.27 | 733.70 | 746.54 | +0.94% | |
| 742.12 | 744.50 | 723.65 | 739.57 | -0.34% | |
| 738.05 | 753.66 | 734.18 | 742.12 | +0.46% | |
| 734.61 | 740.51 | 727.16 | 738.72 | +1.69% | |
| 734.37 | 736.42 | 722.02 | 726.47 | -1.19% | |
| 740.50 | 742.50 | 729.20 | 735.20 | +0.05% | |
| 766.53 | 777.43 | 726.02 | 734.81 | -3.09% | |
| 749.84 | 763.72 | 742.94 | 758.27 | +1.03% | |
| 745.85 | 752.47 | 741.83 | 750.51 | -0.23% | |
| 778.09 | 780.95 | 750.00 | 752.25 | -4.54% | |
| 803.87 | 803.87 | 784.13 | 788.04 | -1.00% | |
| 801.59 | 807.21 | 789.39 | 796.02 | -0.72% | |
| 805.23 | 813.53 | 790.02 | 801.82 | -0.26% | |
| 802.48 | 811.66 | 791.31 | 803.90 | +0.72% | |
| 786.03 | 801.44 | 779.96 | 798.17 | +1.70% | |
| 787.34 | 794.73 | 779.65 | 784.85 | -0.58% | |
| 781.18 | 789.99 | 774.78 | 789.45 | +1.92% | |
| 775.82 | 779.98 | 771.80 | 774.61 | +0.06% | |
| 788.53 | 788.58 | 769.57 | 774.11 | -2.47% | |
| 791.98 | 798.84 | 779.45 | 793.74 | +1.57% | |
| 800.00 | 800.22 | 780.81 | 781.49 | -1.48% | |
| 794.36 | 806.14 | 792.00 | 793.26 | -1.78% | |
| 803.83 | 808.63 | 796.73 | 807.65 | -0.33% | |
| 814.36 | 821.17 | 799.42 | 810.31 | -2.10% | |
| 840.06 | 841.54 | 825.83 | 827.72 | -1.87% | |
| 858.19 | 859.34 | 837.63 | 843.47 | -1.00% | |
| 826.24 | 854.49 | 825.77 | 852.03 | +3.42% | |
| 808.86 | 824.63 | 804.32 | 823.82 | +3.10% | |
| 782.44 | 802.78 | 779.08 | 799.08 | +0.62% | |
| 809.40 | 809.40 | 789.08 | 794.19 | -1.67% | |
| 806.18 | 817.62 | 804.27 | 807.71 | -0.87% | |
| 827.78 | 831.67 | 814.70 | 814.79 | -2.25% | |
| 829.22 | 839.94 | 823.44 | 833.56 | +0.61% | |
| 834.51 | 834.70 | 823.40 | 828.50 | -0.66% | |
| 835.74 | 847.00 | 826.64 | 834.04 | +0.90% | |
| 831.70 | 840.82 | 826.05 | 826.64 | -1.69% | |
| 817.17 | 844.92 | 815.38 | 840.84 | +3.78% | |
| 814.00 | 821.02 | 805.93 | 810.24 | +0.53% | |
| 801.76 | 813.18 | 795.73 | 805.93 | +0.30% | |
| 802.35 | 806.54 | 792.57 | 803.48 | -0.31% | |
| 802.21 | 815.80 | 794.49 | 805.97 | +1.00% | |
| 790.55 | 801.36 | 784.61 | 797.99 | +0.12% | |
| 808.80 | 813.63 | 796.66 | 797.00 | -1.37% | |
| 781.72 | 809.09 | 775.83 | 808.05 | +3.02% | |
| 774.47 | 785.99 | 767.17 | 784.36 | +1.59% | |
| 777.85 | 780.95 | 762.79 | 772.11 | +0.46% | |
| 767.98 | 782.59 | 763.31 | 768.58 | +1.04% | |
| 753.76 | 763.54 | 747.00 | 760.66 | +0.19% | |
| 769.54 | 772.75 | 756.44 | 759.24 | -0.44% | |
| 726.69 | 764.75 | 724.79 | 762.63 | +3.29% | |
| 701.90 | 740.00 | 694.98 | 738.34 | +6.17% | |
| 699.38 | 702.60 | 691.00 | 695.42 | +0.03% | |
| 676.93 | 696.74 | 676.46 | 695.18 | +4.20% | |
| 661.77 | 678.12 | 659.53 | 667.17 | +1.70% | |
| 658.29 | 667.50 | 654.05 | 656.01 | +0.63% | |
| 646.48 | 655.20 | 637.80 | 651.91 | +0.11% | |
| 676.43 | 676.80 | 648.90 | 651.18 | -3.56% | |
| 672.55 | 678.67 | 666.87 | 675.19 | +0.45% | |
| 674.72 | 681.74 | 669.88 | 672.15 | -0.67% | |
| 676.05 | 691.13 | 672.31 | 676.69 | -0.33% | |
| 666.28 | 680.29 | 661.38 | 678.94 | +2.18% | |
| 656.11 | 669.10 | 648.66 | 664.45 | +1.27% | |
| 658.00 | 663.10 | 653.31 | 656.12 | -1.05% | |
| 661.63 | 665.60 | 655.11 | 663.09 | -0.22% | |
| 670.06 | 676.66 | 658.50 | 664.52 | -0.51% | |
| 660.80 | 669.16 | 660.80 | 667.95 | +0.76% | |
| 669.11 | 670.35 | 661.43 | 662.88 | -1.97% | |
| 663.18 | 677.92 | 659.02 | 676.23 | +4.07% | |
| 657.96 | 657.96 | 637.72 | 649.81 | -0.68% | |
| 630.52 | 654.94 | 625.70 | 654.27 | +4.73% | |
| 629.90 | 632.85 | 623.89 | 624.72 | +0.19% | |
| 630.95 | 634.06 | 622.29 | 623.54 | -1.31% | |
| 635.99 | 638.30 | 626.86 | 631.81 | -0.17% | |
| 623.64 | 638.76 | 623.44 | 632.90 | +2.06% | |
| 623.16 | 634.31 | 619.70 | 620.14 | -0.53% | |
| 621.63 | 631.18 | 619.27 | 623.43 | +0.87% | |
| 607.92 | 621.79 | 607.92 | 618.03 | +0.90% | |
| 604.46 | 613.56 | 594.90 | 612.50 | +0.42% | |
| 612.07 | 616.24 | 598.19 | 609.94 | +0.33% | |
| 615.16 | 620.00 | 602.13 | 607.93 | -1.11% | |
| 615.18 | 617.60 | 608.21 | 614.73 | -0.04% | |
| 613.35 | 615.95 | 608.59 | 614.98 | +0.46% | |
| 613.11 | 616.55 | 605.01 | 612.14 | +0.11% | |
| 604.31 | 618.10 | 603.57 | 611.48 | +1.63% | |
| 619.07 | 619.26 | 601.22 | 601.65 | -2.36% | |
| 624.17 | 628.90 | 610.95 | 616.18 | +0.79% | |
| 638.04 | 638.95 | 608.98 | 611.34 | -3.79% | |
| 632.26 | 640.82 | 632.09 | 635.45 | +1.07% | |
| 628.07 | 633.89 | 621.11 | 628.73 | +1.58% | |
| 600.79 | 625.00 | 599.00 | 618.95 | +2.66% | |
| 596.52 | 604.63 | 591.52 | 602.92 | +0.38% | |
| 607.54 | 614.00 | 598.80 | 600.66 | -2.30% | |
| 620.11 | 624.47 | 609.77 | 614.78 | -1.08% | |
| 630.15 | 631.73 | 620.35 | 621.52 | -0.99% | |
| 634.80 | 638.06 | 625.00 | 627.74 | -1.08% | |
| 642.45 | 648.50 | 632.68 | 634.62 | -0.67% | |
| 639.24 | 644.12 | 632.72 | 638.88 | -0.58% | |
| 645.00 | 650.32 | 639.81 | 642.59 | -1.10% | |
| 634.32 | 651.00 | 633.60 | 649.76 | +3.09% | |
| 630.49 | 639.99 | 616.02 | 630.30 | +0.10% | |
| 615.93 | 633.00 | 610.60 | 629.68 | -9.82% | |
| 712.69 | 717.89 | 693.70 | 698.25 | -2.05% | |
| 719.00 | 722.51 | 710.06 | 712.87 | -0.97% | |
| 721.29 | 730.59 | 709.51 | 719.88 | -0.49% | |
| 716.39 | 725.60 | 710.02 | 723.41 | +1.49% | |
| 714.99 | 727.39 | 701.99 | 712.77 | -0.30% | |
| 709.29 | 717.99 | 708.36 | 714.89 | +0.82% | |
| 718.50 | 725.31 | 707.43 | 709.10 | -1.66% | |
| 703.33 | 726.16 | 702.50 | 721.05 | +2.67% | |
| 710.73 | 715.62 | 699.23 | 702.27 | -0.98% | |
| 702.56 | 711.55 | 699.75 | 709.21 | +1.11% | |
| 703.02 | 714.48 | 700.26 | 701.42 | -0.80% | |
| 693.08 | 708.44 | 688.95 | 707.06 | +3.02% | |
| 705.11 | 708.80 | 668.85 | 686.36 | -6.21% | |
| 751.37 | 754.00 | 730.90 | 731.77 | -1.70% | |
| 745.47 | 756.40 | 743.61 | 744.44 | -0.95% | |
| 760.00 | 761.96 | 736.71 | 751.57 | -1.89% | |
| 750.99 | 767.21 | 747.26 | 766.02 | +2.60% | |
| 751.48 | 755.78 | 740.47 | 746.58 | -0.10% | |
| 746.20 | 751.54 | 734.12 | 747.36 | -0.27% | |
| 750.00 | 755.59 | 744.00 | 749.41 | -0.15% | |
| 754.74 | 758.61 | 746.91 | 750.57 | +0.61% | |
| 749.56 | 756.00 | 742.69 | 746.00 | -1.05% | |
| 758.67 | 760.58 | 739.12 | 753.93 | -0.21% | |
| 744.97 | 757.68 | 743.71 | 755.51 | +1.21% | |
| 747.74 | 756.90 | 737.34 | 746.46 | -0.32% | |
| 771.48 | 771.48 | 739.09 | 748.87 | -2.47% | |
| 764.15 | 772.45 | 761.50 | 767.85 | -0.99% | |
| 765.26 | 775.63 | 755.99 | 775.53 | +2.01% | |
| 758.40 | 761.91 | 747.76 | 760.27 | -0.36% | |
| 766.83 | 768.80 | 758.49 | 763.04 | +0.16% | |
| 767.04 | 770.11 | 745.00 | 761.85 | -1.98% | |
| 775.00 | 781.21 | 769.97 | 777.25 | +0.60% | |
| 757.47 | 774.26 | 755.80 | 772.64 | +3.12% | |
| 743.83 | 757.68 | 741.47 | 749.29 | +1.57% | |
| 756.65 | 759.47 | 736.64 | 737.71 | -2.51% | |
| 749.40 | 761.73 | 747.77 | 756.73 | +0.97% | |
| 744.67 | 757.98 | 744.02 | 749.47 | +1.05% | |
| 728.51 | 743.17 | 727.96 | 741.69 | +0.70% | |
| 745.00 | 750.00 | 735.00 | 736.53 | +0.50% | |
| 738.17 | 744.85 | 728.64 | 732.87 | -0.62% | |
| 744.50 | 750.32 | 727.88 | 737.45 | -0.90% | |
| 751.22 | 757.60 | 734.56 | 744.12 | -1.97% | |
| 763.53 | 771.23 | 755.64 | 759.05 | +0.28% | |
| 750.00 | 763.30 | 747.01 | 756.91 | +1.49% | |
| 754.55 | 758.98 | 741.90 | 745.77 | -0.11% | |
| 764.06 | 766.00 | 744.00 | 746.61 | -3.62% | |
| 769.17 | 783.12 | 765.00 | 774.66 | +0.34% | |
| 781.67 | 788.69 | 771.34 | 772.03 | -1.22% | |
| 759.86 | 783.70 | 754.91 | 781.60 | +2.86% | |
| 755.01 | 762.40 | 746.66 | 759.86 | -0.66% | |
| 780.00 | 781.99 | 760.01 | 764.93 | -2.87% | |
| 767.05 | 791.60 | 764.24 | 787.50 | +2.72% | |
| 781.01 | 794.77 | 764.49 | 766.66 | -3.05% | |
| 771.10 | 793.16 | 769.63 | 790.81 | +1.17% | |
| 760.91 | 786.68 | 760.91 | 781.67 | +1.41% | |
| 784.28 | 784.50 | 753.79 | 770.79 | -1.72% | |
| 774.13 | 791.11 | 771.43 | 784.28 | +1.57% | |
| 780.47 | 792.67 | 768.75 | 772.19 | -1.89% | |
| 777.58 | 792.16 | 777.58 | 787.04 | +0.95% | |
| 775.00 | 781.46 | 770.00 | 779.67 | -0.35% | |
| 790.00 | 790.00 | 773.31 | 782.38 | -1.23% | |
| 793.53 | 797.00 | 786.79 | 792.16 | -0.17% | |
| 803.48 | 815.00 | 783.62 | 793.53 | -1.20% | |
| 788.92 | 806.18 | 785.00 | 803.17 | +2.49% | |
| 784.80 | 796.72 | 774.72 | 783.65 | +0.60% | |
| 750.85 | 781.42 | 745.07 | 778.97 | +3.19% | |
| 779.73 | 781.40 | 753.10 | 754.91 | -3.25% | |
| 783.17 | 790.00 | 775.50 | 780.28 | -0.67% | |
| 769.63 | 786.99 | 764.78 | 785.51 | +2.46% | |
| 777.83 | 790.00 | 760.00 | 766.63 | -1.09% | |
| 765.80 | 779.78 | 765.21 | 775.06 | +2.09% | |
| 745.53 | 773.72 | 742.74 | 759.18 | +0.55% | |
| 732.92 | 763.56 | 731.51 | 755.02 | +1.83% | |
| 753.96 | 774.37 | 735.61 | 741.45 | -1.07% | |
| 755.73 | 755.73 | 742.80 | 749.44 | -0.22% | |
| 765.15 | 766.99 | 747.57 | 751.13 | -2.61% | |
| 762.47 | 776.25 | 761.50 | 771.25 | +1.13% | |
| 750.09 | 767.30 | 750.09 | 762.65 | +1.21% | |
| 757.31 | 762.00 | 747.30 | 753.55 | -0.26% | |
| 750.34 | 765.00 | 747.37 | 755.51 | +0.82% | |
| 736.71 | 750.00 | 735.00 | 749.33 | +2.12% | |
| 729.40 | 737.87 | 718.38 | 733.78 | +0.10% | |
| 749.09 | 749.09 | 726.43 | 733.04 | -1.20% | |
| 754.85 | 756.50 | 737.00 | 741.92 | -1.62% | |
| 760.58 | 766.64 | 753.01 | 754.14 | -0.63% | |
| 765.16 | 765.99 | 743.94 | 758.91 | -1.18% | |
| 810.00 | 811.09 | 765.08 | 768.00 | -3.58% | |
| 802.97 | 821.11 | 790.88 | 796.55 | -0.56% | |
| 805.81 | 816.99 | 800.68 | 801.01 | -1.39% | |
| 786.18 | 814.10 | 780.10 | 812.27 | +4.60% | |
| 764.35 | 787.66 | 763.20 | 776.54 | +1.74% | |
| 769.72 | 771.99 | 753.20 | 763.23 | -1.68% | |
| 774.25 | 779.75 | 765.77 | 776.31 | +0.58% | |
| 772.00 | 775.00 | 769.17 | 771.87 | -0.27% | |
| 776.30 | 777.77 | 770.30 | 773.94 | -0.84% | |
| 780.56 | 785.05 | 774.60 | 780.50 | -0.57% | |
| 783.79 | 788.01 | 778.04 | 784.97 | +0.16% | |
| 787.99 | 792.77 | 783.61 | 783.71 | -0.19% | |
| 777.36 | 792.75 | 777.00 | 785.17 | +0.75% | |
| 765.84 | 783.60 | 765.09 | 779.36 | +1.48% | |
| 753.72 | 773.85 | 748.18 | 767.96 | +2.57% | |
| 747.54 | 752.84 | 739.23 | 748.71 | -0.14% | |
| 746.55 | 751.99 | 743.33 | 749.79 | +0.46% | |
| 752.57 | 757.35 | 734.72 | 746.36 | -0.83% | |
| 748.85 | 756.67 | 746.38 | 752.62 | +1.53% | |
| 741.59 | 746.05 | 734.38 | 741.29 | -0.74% | |
| 726.08 | 753.61 | 726.08 | 746.80 | +2.84% | |
| 695.06 | 728.00 | 692.50 | 726.21 | +4.86% | |
| 705.11 | 711.15 | 691.86 | 692.58 | -1.52% | |
| 723.69 | 724.13 | 701.75 | 703.26 | -2.10% | |
| 723.00 | 736.15 | 717.26 | 718.36 | -0.61% | |
| 732.45 | 735.00 | 721.22 | 722.80 | -0.12% | |
| 730.36 | 744.23 | 720.07 | 723.67 | -2.47% | |
| 742.12 | 747.00 | 731.00 | 742.00 | -1.08% | |
| 775.60 | 779.92 | 748.15 | 750.11 | -3.86% | |
| 784.70 | 788.98 | 779.50 | 780.19 | -0.56% | |
| 785.72 | 790.98 | 777.00 | 784.61 | -0.34% | |
| 764.88 | 790.57 | 760.01 | 787.32 | +3.40% | |
| 759.05 | 773.13 | 756.64 | 761.45 | +0.73% | |
| 736.01 | 764.09 | 735.74 | 755.90 | +2.56% | |
| 725.00 | 753.51 | 720.02 | 737.00 | +4.87% | |
| 727.81 | 727.81 | 702.63 | 702.75 | -3.11% | |
| 702.51 | 727.97 | 699.22 | 725.34 | +2.99% | |
| 693.34 | 711.88 | 692.29 | 704.31 | +1.56% | |
| 697.19 | 699.27 | 685.95 | 693.50 | -0.21% | |
| 683.00 | 713.58 | 679.93 | 694.99 | +1.95% | |
| 678.89 | 690.78 | 672.67 | 681.72 | +1.06% | |
| 651.48 | 676.33 | 651.38 | 674.55 | +3.03% | |
| 656.00 | 665.99 | 653.19 | 654.74 | -0.42% | |
| 650.35 | 658.21 | 640.99 | 657.53 | +1.65% | |
| 640.83 | 657.00 | 640.83 | 646.87 | +0.42% | |
| 631.10 | 646.89 | 628.00 | 644.19 | +2.58% | |
| 643.78 | 646.22 | 625.14 | 628.00 | -2.22% | |
| 657.46 | 657.46 | 627.50 | 642.25 | -1.47% | |
| 649.45 | 660.00 | 645.00 | 651.80 | -0.34% | |
| 645.56 | 664.00 | 643.92 | 654.04 | +0.17% | |
| 650.41 | 659.98 | 637.66 | 652.91 | -0.24% | |
| 612.02 | 655.70 | 605.03 | 654.48 | +11.82% | |
| 580.50 | 586.15 | 575.93 | 585.31 | +1.27% | |
| 579.65 | 582.70 | 576.20 | 577.95 | +0.39% | |
| 579.68 | 584.00 | 572.75 | 575.69 | -1.55% | |
| 580.21 | 588.71 | 578.60 | 584.74 | +0.93% | |
| 574.60 | 582.41 | 572.82 | 579.34 | +0.45% | |
| 579.41 | 582.65 | 574.23 | 576.77 | -0.22% | |
| 570.35 | 579.04 | 566.11 | 578.05 | +1.56% | |
| 583.01 | 589.08 | 564.00 | 569.17 | -1.26% | |
| 575.03 | 584.87 | 569.02 | 576.42 | +0.67% | |
| 556.92 | 576.18 | 553.87 | 572.60 | +2.67% | |
| 551.50 | 563.77 | 541.00 | 557.73 | -1.22% | |
| 569.29 | 577.17 | 555.54 | 564.63 | -0.92% | |
| 569.02 | 574.72 | 563.51 | 569.90 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the REGN chart for longer ranges.