Regeneron Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 27, 2026	66.56	67.12	66.20	67.12	67.12	1.25%	105
Feb 26, 2026	65.65	66.29	65.65	66.29	66.29	-1.54%	114
Feb 25, 2026	66.36	67.33	66.36	67.33	67.33	1.46%	200
Feb 24, 2026	68.10	68.10	66.17	66.36	66.36	-1.85%	62
Feb 23, 2026	67.75	68.17	67.54	67.61	67.61	-0.41%	1,265
Feb 19, 2026	64.00	68.52	64.00	67.89	67.89	7.00%	252
Feb 18, 2026	68.60	70.00	63.45	63.45	63.39	-8.22%	66
Feb 13, 2026	69.86	70.43	69.13	69.13	69.07	2.75%	258
Feb 12, 2026	67.28	67.28	67.28	67.28	67.22	-0.49%	20
Feb 11, 2026	64.91	67.69	64.90	67.61	67.55	2.97%	213
Feb 10, 2026	66.89	67.30	65.66	65.66	65.60	-2.58%	126
Feb 9, 2026	67.61	67.68	67.14	67.40	67.34	-0.52%	589
Feb 6, 2026	67.75	67.75	67.75	67.75	67.69	-0.22%	1
Feb 5, 2026	67.77	68.00	67.77	67.90	67.84	-0.29%	182
Feb 4, 2026	67.23	68.10	67.23	68.10	68.04	2.30%	98
Feb 3, 2026	66.47	66.57	66.02	66.57	66.51	0.15%	269
Feb 2, 2026	66.66	66.66	66.06	66.47	66.41	2.31%	39
Jan 30, 2026	64.80	65.99	64.74	64.97	64.91	0.22%	765
Jan 29, 2026	65.82	65.82	64.45	64.83	64.77	-0.51%	467
Jan 28, 2026	65.94	66.63	65.09	65.16	65.10	-2.53%	574
Jan 27, 2026	66.96	67.24	66.36	66.85	66.79	-0.51%	574
Jan 26, 2026	66.53	67.19	66.42	67.19	67.13	0.83%	174
Jan 23, 2026	66.03	66.64	66.03	66.64	66.58	0.32%	740
Jan 22, 2026	66.88	67.03	66.36	66.43	66.37	1.19%	298
Jan 21, 2026	65.99	65.99	65.65	65.65	65.59	-0.12%	4
Jan 20, 2026	65.31	65.87	65.31	65.73	65.67	-0.45%	51
Jan 19, 2026	66.03	66.03	66.03	66.03	65.97	0.69%	100
Jan 16, 2026	66.88	66.88	65.20	65.58	65.52	-1.28%	17,560
Jan 15, 2026	68.80	68.80	66.43	66.43	66.37	-2.47%	670
Jan 14, 2026	68.05	68.53	67.69	68.11	68.05	0.61%	1,029
Jan 13, 2026	68.94	68.94	67.60	67.70	67.64	-2.27%	81
Jan 12, 2026	71.48	72.46	68.60	69.27	69.21	-2.72%	2,421
Jan 9, 2026	71.26	71.27	71.20	71.21	71.15	-1.34%	478
Jan 8, 2026	72.79	73.16	71.93	72.18	72.12	-1.31%	491
Jan 7, 2026	71.46	73.14	71.46	73.14	73.08	4.80%	627
Jan 6, 2026	68.64	69.79	68.64	69.79	69.73	1.66%	14
Jan 5, 2026	70.43	70.43	68.51	68.65	68.59	-2.97%	569
Jan 2, 2026	69.49	70.75	69.49	70.75	70.69	-0.23%	715
Dec 30, 2025	71.96	71.96	70.70	70.91	70.85	-2.50%	119
Dec 29, 2025	72.84	72.84	72.73	72.73	72.67	0.86%	2
Dec 26, 2025	72.20	72.20	71.90	72.11	72.05	-0.26%	1,806
Dec 23, 2025	73.33	73.33	72.20	72.30	72.24	-0.41%	193
Dec 22, 2025	72.64	72.85	72.60	72.60	72.54	2.98%	1,795
Dec 19, 2025	68.68	70.81	68.68	70.50	70.44	2.65%	2,624
Dec 18, 2025	68.40	68.96	68.19	68.68	68.62	0.31%	226
Dec 17, 2025	68.96	69.29	68.47	68.47	68.41	0.75%	5
Dec 16, 2025	69.02	69.02	66.93	67.96	67.90	-0.73%	632
Dec 15, 2025	67.03	68.46	67.03	68.46	68.40	2.95%	115
Dec 12, 2025	68.18	68.18	66.50	66.50	66.44	0.18%	109
Dec 11, 2025	67.28	67.28	66.38	66.38	66.32	1.95%	41