NasdaqGS - Nasdaq Real Time Price
USD
Regeneron Pharmaceuticals, Inc. (REGN)
907.87
+89.10
(+10.88%)
As of 1:43:09 PM EDT. Market Open.
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Date
Open
High
Low
Close
Close price adjusted for splits.
Adj Close
Adjusted close price adjusted for splits and dividend and/or capital gain distributions.
Volume
Oct 30, 2026
869.43
935.34
839.08
907.60
907.60
1,684,883
Oct 29, 2026
826.14
828.19
811.63
818.77
818.77
787,100
Oct 28, 2026
807.06
821.16
802.20
813.27
813.27
536,300
Oct 27, 2026
807.67
816.14
804.05
816.10
816.10
726,100
Oct 26, 2026
812.31
817.17
796.61
807.67
807.67
423,900
Oct 23, 2026
819.09
819.09
801.22
805.02
805.02
527,700
Oct 22, 2026
809.01
825.52
800.00
819.09
819.09
852,300
Oct 21, 2026
806.74
813.86
800.24
805.67
805.67
581,000
Oct 20, 2026
793.85
807.86
789.69
807.48
807.48
623,400
Oct 19, 2026
792.59
800.00
780.83
782.04
782.04
489,600
Oct 16, 2026
803.01
805.68
787.32
790.74
790.74
653,500
Oct 15, 2026
802.33
809.49
792.58
796.34
796.34
798,800
Oct 14, 2026
758.16
781.84
755.21
778.36
778.36
878,400
Oct 13, 2026
762.49
765.60
743.57
753.12
753.12
629,600
Oct 12, 2026
748.67
768.66
744.96
762.81
762.81
618,200
Oct 9, 2026
737.20
751.27
732.83
746.54
746.54
466,000
Oct 8, 2026
742.12
744.50
723.65
739.57
739.57
500,300
Oct 7, 2026
738.05
753.68
734.18
742.12
742.12
626,400
Oct 6, 2026
734.61
740.51
727.16
738.72
738.72
615,100
Oct 5, 2026
734.37
736.42
722.02
726.47
726.47
694,700
Oct 2, 2026
740.50
742.50
729.20
735.20
735.20
613,900
Oct 1, 2026
766.53
777.43
726.02
734.81
734.81
1,042,800
Sep 30, 2026
749.84
763.72
742.94
758.27
758.27
872,400
Sep 29, 2026
745.85
752.47
741.83
750.51
750.51
804,300
Sep 28, 2026
778.09
780.95
750.00
752.25
752.25
1,149,800
Sep 25, 2026
803.87
803.87
784.13
788.04
788.04
592,100
Sep 24, 2026
801.59
807.21
789.39
796.02
796.02
602,600
Sep 23, 2026
805.23
813.53
790.02
801.82
801.82
721,100
Sep 22, 2026
802.48
811.66
791.31
803.90
803.90
600,200
Sep 21, 2026
786.03
801.44
779.96
798.17
798.17
704,400
Sep 18, 2026
787.34
794.73
779.65
784.85
784.85
2,472,600
Sep 17, 2026
781.18
789.99
774.78
789.45
789.45
702,800
Sep 16, 2026
775.82
779.98
771.80
774.61
774.61
382,900
Sep 15, 2026
788.53
788.58
769.57
774.11
774.11
540,600
Sep 14, 2026
791.98
798.84
779.45
793.74
793.74
591,100
Sep 11, 2026
800.00
800.22
780.81
781.49
781.49
444,000
Sep 10, 2026
794.36
806.14
792.00
793.26
793.26
526,900
Sep 9, 2026
803.83
808.63
796.73
807.65
807.65
621,400
Sep 8, 2026
814.36
821.17
799.42
810.31
810.31
556,500
Sep 4, 2026
840.06
841.54
825.83
827.72
827.72
561,100
Sep 3, 2026
858.19
859.34
837.63
843.47
843.47
496,200
Sep 2, 2026
826.24
854.49
825.77
852.03
852.03
749,400
Sep 1, 2026
808.86
824.63
804.32
823.82
823.82
682,600
Aug 31, 2026
782.44
802.78
779.08
799.08
799.08
894,100
Aug 28, 2026
809.40
809.40
789.08
794.19
794.19
487,700
Aug 27, 2026
806.18
817.62
804.27
807.71
807.71
766,800
Aug 26, 2026
827.78
831.67
814.70
814.79
814.79
585,300
Aug 25, 2026
829.22
839.94
823.44
833.56
833.56
505,400
Aug 24, 2026
834.51
834.70
823.40
828.50
828.50
672,000
Aug 21, 2026
835.74
847.00
826.64
834.04
834.04
786,800
Aug 20, 2026
831.70
840.82
826.05
826.64
826.64
596,400
Aug 19, 2026
817.17
844.92
815.38
840.84
840.84
750,400
Aug 18, 2026
0.94
Dividend
Dividends on any given ex-date include regular and any special dividends
Aug 18, 2026
814.00
821.02
805.93
810.24
810.24
779,000
Aug 17, 2026
801.76
813.18
795.73
805.93
804.99
541,300
Aug 14, 2026
802.35
806.54
792.57
803.48
802.54
425,600
Aug 13, 2026
802.21
815.80
794.49
805.97
805.03
709,700
Aug 12, 2026
790.55
801.36
784.61
797.99
797.06
575,100
Aug 11, 2026
808.80
813.63
796.66
797.00
796.07
939,100
Aug 10, 2026
781.72
809.09
775.83
808.05
807.11
1,213,700
Aug 7, 2026
774.47
785.99
767.17
784.36
783.45
837,600
Aug 6, 2026
777.85
780.95
762.79
772.11
771.21
783,900
Aug 5, 2026
767.98
782.59
763.31
768.58
767.68
532,400
Aug 4, 2026
753.76
763.54
747.00
760.66
759.77
817,300
Aug 3, 2026
769.54
772.75
756.44
759.24
758.35
842,600
Jul 31, 2026
726.69
764.75
724.79
762.63
761.74
1,158,300
Jul 30, 2026
701.90
740.00
694.98
738.34
737.48
1,460,700
Jul 29, 2026
699.38
702.60
691.00
695.42
694.61
1,022,100
Jul 28, 2026
676.93
696.74
676.46
695.18
694.37
900,200
Jul 27, 2026
661.77
678.12
659.53
667.17
666.39
650,800
Jul 24, 2026
658.29
667.50
654.05
656.01
655.24
708,400
Jul 23, 2026
646.48
655.20
637.80
651.91
651.15
1,129,400
Jul 22, 2026
676.43
676.80
648.90
651.18
650.42
872,200
Jul 21, 2026
672.55
678.67
666.87
675.19
674.40
529,400
Jul 20, 2026
674.72
681.74
669.88
672.15
671.37
624,800
Jul 17, 2026
676.05
691.13
672.31
676.69
675.90
648,300
Jul 16, 2026
666.28
680.29
661.38
678.94
678.15
730,100
Jul 15, 2026
656.11
669.10
648.66
664.45
663.68
555,400
Jul 14, 2026
658.00
663.10
653.31
656.12
655.35
478,000
Jul 13, 2026
661.63
665.60
655.11
663.09
662.32
606,300
Jul 10, 2026
670.06
676.66
658.50
664.52
663.74
581,700
Jul 9, 2026
660.80
669.16
660.80
667.95
667.17
672,500
Jul 8, 2026
669.11
670.35
661.43
662.88
662.11
746,800
Jul 7, 2026
663.18
677.92
659.02
676.23
675.44
918,700
Jul 6, 2026
657.96
657.96
637.72
649.81
649.05
714,300
Jul 2, 2026
630.52
654.94
625.70
654.27
653.51
1,071,600
Jul 1, 2026
629.90
632.85
623.89
624.72
623.99
1,170,600
Jun 30, 2026
630.95
634.06
622.29
623.54
622.81
820,900
Jun 29, 2026
635.99
638.30
626.86
631.81
631.07
734,400
Jun 26, 2026
623.64
638.76
623.44
632.90
632.16
1,213,600
Jun 25, 2026
623.16
634.31
619.70
620.14
619.42
696,800
Jun 24, 2026
621.63
631.18
619.27
623.43
622.70
839,900
Jun 23, 2026
607.92
621.79
607.92
618.03
617.31
1,279,700
Jun 22, 2026
604.46
613.56
594.90
612.50
611.79
1,604,300
Jun 18, 2026
612.07
616.24
598.19
609.94
609.23
2,609,100
Jun 17, 2026
615.16
620.00
602.13
607.93
607.22
1,299,500
Jun 16, 2026
615.18
617.60
608.21
614.73
614.01
1,007,500
Jun 15, 2026
613.35
615.95
608.59
614.98
614.26
815,900
Jun 12, 2026
613.11
616.55
605.01
612.14
611.43
717,700
Jun 11, 2026
604.31
618.10
603.57
611.48
610.77
943,100
Jun 10, 2026
619.07
619.26
601.22
601.65
600.95
816,100
Jun 9, 2026
624.17
628.90
610.95
616.18
615.46
1,190,600
Jun 8, 2026
638.04
638.95
608.98
611.34
610.63
1,259,200
Jun 5, 2026
632.26
640.82
632.09
635.45
634.71
975,800
Jun 4, 2026
628.07
633.89
621.11
628.73
628.00
974,700
Jun 3, 2026
600.79
625.00
599.00
618.95
618.23
986,700
Jun 2, 2026
596.52
604.63
591.52
602.92
602.22
1,066,700
Jun 1, 2026
607.54
614.00
598.80
600.66
599.96
1,079,900
May 29, 2026
620.11
624.47
609.77
614.78
614.06
2,187,500
May 28, 2026
630.15
631.73
620.35
621.52
620.80
1,234,400
May 27, 2026
634.80
638.06
625.00
627.74
627.01
1,913,500
May 26, 2026
642.45
648.50
632.68
634.62
633.88
889,800
May 22, 2026
639.24
644.12
632.72
638.88
638.13
994,900
May 21, 2026
645.00
650.32
639.81
642.59
641.84
1,178,500
May 20, 2026
0.94
Dividend
Dividends on any given ex-date include regular and any special dividends
May 20, 2026
634.32
651.00
633.60
649.76
649.00
1,165,600
May 19, 2026
630.49
639.99
616.02
630.30
628.63
1,445,100
May 18, 2026
615.93
633.00
610.60
629.68
628.01
2,996,600
May 15, 2026
712.69
717.89
693.70
698.25
696.40
728,000
May 14, 2026
719.00
722.51
710.06
712.87
710.98
767,200
May 13, 2026
721.29
730.59
709.51
719.88
717.97
879,300
May 12, 2026
716.39
725.60
710.02
723.41
721.49
824,300
May 11, 2026
714.99
727.39
701.99
712.77
710.88
1,227,200
May 8, 2026
709.29
717.99
708.36
714.89
712.99
589,000
May 7, 2026
718.50
725.31
707.43
709.10
707.22
774,600
May 6, 2026
703.33
726.16
702.50
721.05
719.13
739,900
May 5, 2026
710.73
715.62
699.23
702.27
700.40
642,700
May 4, 2026
702.56
711.55
699.75
709.21
707.33
554,100
May 1, 2026
703.02
714.48
700.26
701.42
699.56
729,100
Apr 30, 2026
693.08
708.44
688.95
707.06
705.18
1,096,500
Apr 29, 2026
705.11
708.80
668.85
686.36
684.54
1,835,000
Apr 28, 2026
751.37
754.00
730.90
731.77
729.83
569,000
Apr 27, 2026
745.47
756.40
743.61
744.44
742.46
603,200
Apr 24, 2026
760.00
761.96
736.71
751.57
749.57
809,500
Apr 23, 2026
750.99
767.21
747.26
766.02
763.99
928,700
Apr 22, 2026
751.48
755.78
740.47
746.58
744.60
901,900
Apr 21, 2026
746.20
751.54
734.12
747.36
745.38
707,400
Apr 20, 2026
750.00
755.59
744.00
749.41
747.42
493,800
Apr 17, 2026
754.74
758.61
746.91
750.57
748.58
513,000
Apr 16, 2026
749.56
756.00
742.69
746.00
744.02
505,000
Apr 15, 2026
758.67
760.58
739.12
753.93
751.93
571,100
Apr 14, 2026
744.97
757.68
743.71
755.51
753.50
637,800
Apr 13, 2026
747.74
756.90
737.34
746.46
744.48
747,000
Apr 10, 2026
771.48
771.48
739.09
748.87
746.88
751,300
Apr 9, 2026
764.15
772.45
761.50
767.85
765.81
596,700
Apr 8, 2026
765.26
775.63
755.99
775.53
773.47
580,400
Apr 7, 2026
758.40
761.91
747.76
760.27
758.25
620,900
Apr 6, 2026
766.83
768.80
758.49
763.04
761.01
460,400
Apr 2, 2026
767.04
770.11
745.00
761.85
759.83
1,000,600
Apr 1, 2026
775.00
781.21
769.97
777.25
775.19
627,400
Mar 31, 2026
757.47
774.26
755.80
772.64
770.59
642,600
Mar 30, 2026
743.83
757.68
741.47
749.29
747.30
630,400
Mar 27, 2026
756.65
759.47
736.64
737.71
735.75
492,200
Mar 26, 2026
749.40
761.73
747.77
756.73
754.72
488,600
Mar 25, 2026
744.67
757.98
744.02
749.47
747.48
553,100
Mar 24, 2026
728.51
743.17
727.96
741.69
739.72
507,900
Mar 23, 2026
745.00
750.00
735.00
736.53
734.57
535,900
Mar 20, 2026
738.17
744.85
728.64
732.87
730.92
1,359,900
Mar 19, 2026
744.50
750.32
727.88
737.45
735.49
628,300
Mar 18, 2026
751.22
757.60
734.56
744.12
742.14
672,500
Mar 17, 2026
763.53
771.23
755.64
759.05
757.03
437,000
Mar 16, 2026
750.00
763.30
747.01
756.91
754.90
396,200
Mar 13, 2026
754.55
758.98
741.90
745.77
743.79
438,100
Mar 12, 2026
764.06
766.00
744.00
746.61
744.63
630,400
Mar 11, 2026
769.17
783.12
765.00
774.66
772.60
405,200
Mar 10, 2026
781.67
788.69
771.34
772.03
769.98
473,300
Mar 9, 2026
759.86
783.70
754.91
781.60
779.52
697,100
Mar 6, 2026
755.01
762.40
746.66
759.86
757.84
561,900
Mar 5, 2026
780.00
781.99
760.01
764.93
762.90
657,500
Mar 4, 2026
767.05
791.60
764.24
787.50
785.41
641,400
Mar 3, 2026
781.01
794.77
764.49
766.66
764.62
637,200
Mar 2, 2026
771.10
793.16
769.63
790.81
788.71
793,100
Feb 27, 2026
760.91
786.68
760.91
781.67
779.59
726,400
Feb 26, 2026
784.28
784.50
753.79
770.79
768.74
772,700
Feb 25, 2026
774.13
791.11
771.43
784.28
782.20
750,900
Feb 24, 2026
780.47
792.67
768.75
772.19
770.14
628,700
Feb 23, 2026
777.58
792.16
777.58
787.04
784.95
510,500
Feb 20, 2026
0.94
Dividend
Dividends on any given ex-date include regular and any special dividends
Feb 20, 2026
775.00
781.46
770.00
779.67
777.60
615,100
Feb 19, 2026
790.00
790.00
773.31
782.38
779.36
504,800
Feb 18, 2026
793.53
797.00
786.79
792.16
789.11
675,900
Feb 17, 2026
803.48
815.00
783.62
793.53
790.47
747,100
Feb 13, 2026
788.92
806.18
785.00
803.17
800.07
974,700
Feb 12, 2026
784.80
796.72
774.72
783.65
780.63
814,300
Feb 11, 2026
750.85
781.42
745.07
778.97
775.97
1,123,600
Feb 10, 2026
779.73
781.40
753.10
754.91
752.00
792,600
Feb 9, 2026
783.17
790.00
775.50
780.28
777.27
586,800
Feb 6, 2026
769.63
786.99
764.78
785.51
782.48
671,400
Feb 5, 2026
777.83
790.00
760.00
766.63
763.68
976,500
Feb 4, 2026
765.80
779.78
765.21
775.06
772.07
952,000
Feb 3, 2026
745.53
773.72
742.74
759.18
756.25
768,700
Feb 2, 2026
732.92
763.56
731.51
755.02
752.11
693,000
Jan 30, 2026
753.96
774.37
735.61
741.45
738.59
1,317,500
Jan 29, 2026
755.73
755.73
742.80
749.44
746.55
925,800
Jan 28, 2026
765.15
766.99
747.57
751.13
748.23
827,900
Jan 27, 2026
762.47
776.25
761.50
771.25
768.28
645,800
Jan 26, 2026
750.09
767.30
750.09
762.65
759.71
934,200
Jan 23, 2026
757.31
762.00
747.30
753.55
750.65
721,000
Jan 22, 2026
750.34
765.00
747.37
755.51
752.60
765,400
Jan 21, 2026
736.71
750.00
735.00
749.33
746.44
788,400
Jan 20, 2026
729.40
737.87
718.38
733.78
730.95
789,100
Jan 16, 2026
749.09
749.09
726.43
733.04
730.21
1,682,400
Jan 15, 2026
754.85
756.50
737.00
741.92
739.06
865,600
Jan 14, 2026
760.58
766.64
753.01
754.14
751.23
668,900
Jan 13, 2026
765.16
765.99
743.94
758.91
755.98
946,500
Jan 12, 2026
810.00
811.09
765.08
768.00
765.04
1,321,100
Jan 9, 2026
802.97
821.11
790.88
796.55
793.48
711,500
Jan 8, 2026
805.81
816.99
800.68
801.01
797.92
1,049,300
Jan 7, 2026
786.18
814.10
780.10
812.27
809.14
1,264,700
Jan 6, 2026
764.35
787.66
763.20
776.54
773.55
935,000
Jan 5, 2026
769.72
771.99
753.20
763.23
760.29
835,700
Jan 2, 2026
774.25
779.75
765.77
776.31
773.32
464,800
Dec 31, 2025
772.00
775.00
769.17
771.87
768.90
354,800
Dec 30, 2025
776.30
777.77
770.30
773.94
770.96
383,200
Dec 29, 2025
780.56
785.05
774.60
780.50
777.49
545,100
Dec 26, 2025
783.79
788.01
778.04
784.97
781.94
321,000
Dec 24, 2025
787.99
792.77
783.61
783.71
780.69
267,200
Dec 23, 2025
777.36
792.75
777.00
785.17
782.14
832,000
Dec 22, 2025
765.84
783.60
765.09
779.36
776.36
818,000
Dec 19, 2025
753.72
773.85
748.18
767.96
765.00
2,335,900
Dec 18, 2025
747.54
752.84
739.23
748.71
745.82
1,057,600
Dec 17, 2025
746.55
751.99
743.33
749.79
746.90
765,900
Dec 16, 2025
752.57
757.35
734.72
746.36
743.48
713,200
Dec 15, 2025
748.85
756.67
746.38
752.62
749.72
932,800
Dec 12, 2025
741.59
746.05
734.38
741.29
738.43
804,800
Dec 11, 2025
726.08
753.61
726.08
746.80
743.92
1,153,900
Dec 10, 2025
695.06
728.00
692.50
726.21
723.41
1,316,500
Dec 9, 2025
705.11
711.15
691.86
692.58
689.91
604,400
Dec 8, 2025
723.69
724.13
701.75
703.26
700.55
1,005,900
Dec 5, 2025
723.00
736.15
717.26
718.36
715.59
798,300
Dec 4, 2025
732.45
735.00
721.22
722.80
720.01
1,067,100
Dec 3, 2025
730.36
744.23
720.07
723.67
720.88
1,238,500
Dec 2, 2025
742.12
747.00
731.00
742.00
739.14
924,600
Dec 1, 2025
775.60
779.92
748.15
750.11
747.22
992,000
Nov 28, 2025
784.70
788.98
779.50
780.19
777.18
510,400
Nov 26, 2025
785.72
790.98
777.00
784.61
781.59
871,700
Nov 25, 2025
764.88
790.57
760.01
787.32
784.29
1,200,400
Nov 24, 2025
759.05
773.13
756.64
761.45
758.52
1,554,900
Nov 21, 2025
736.01
764.09
735.74
755.90
752.99
1,427,700
Nov 20, 2025
0.88
Dividend
Dividends on any given ex-date include regular and any special dividends
Nov 20, 2025
725.00
753.51
720.02
737.00
734.16
2,296,800
Nov 19, 2025
727.81
727.81
702.63
702.75
699.16
1,383,600
Nov 18, 2025
702.51
727.97
699.22
725.34
721.64
1,368,700
Nov 17, 2025
693.34
711.88
692.29
704.31
700.72
1,132,900
Nov 14, 2025
697.19
699.27
685.95
693.50
689.96
907,000
Nov 13, 2025
683.00
713.58
679.93
694.99
691.44
1,505,300
Nov 12, 2025
678.89
690.78
672.67
681.72
678.24
1,208,300
Nov 11, 2025
651.48
676.33
651.38
674.55
671.11
977,200
Nov 10, 2025
656.00
665.99
653.19
654.74
651.40
824,800
Nov 7, 2025
650.35
658.21
640.99
657.53
654.18
782,800
Nov 6, 2025
640.83
657.00
640.83
646.87
643.57
916,600
Nov 5, 2025
631.10
646.89
628.00
644.19
640.90
724,300
Nov 4, 2025
643.78
646.22
625.14
628.00
624.80
1,030,900
Nov 3, 2025
657.46
657.46
627.50
642.25
638.97
810,300
Oct 31, 2025
649.45
660.00
645.00
651.80
648.47
797,900
Oct 30, 2025
645.56
664.00
643.92
654.04
650.70
1,120,700
