Regeneron Pharmaceuticals, Inc. (REGN) NASDAQ

Currency In USD

REGN Historical Return

If you invested $1000 in Regeneron Pharmaceuticals, Inc. (REGN) since IPO date, it would be worth $1,712.73 as of July 31, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 4 years ago would be worth $1,287.97, while $1000 invested 1 year ago would be worth $1,358.99. This corresponds to total returns of 71.27%, 28.8%, 35.9%, respectively, with annualized returns of 5.53%, 5.19%, 35.9%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

REGN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 30, 2026	701.9	738.34	738.34	740	694.98	1.45M
July 29, 2026	699.38	695.42	695.42	702.6	691	1.02M
July 28, 2026	676.93	695.18	695.18	696.74	676.46	898,730
July 27, 2026	661.77	667.17	667.17	678.12	659.53	649,852
July 24, 2026	658.29	656.01	656.01	667.5	654.05	701,789
July 23, 2026	646.48	651.91	651.91	655.2	637.8	1.13M
July 22, 2026	676.43	651.18	651.18	676.8	648.9	871,937
July 21, 2026	672.55	675.19	675.19	678.67	666.87	527,849
July 20, 2026	674.72	672.15	672.15	681.74	669.88	606,163
July 17, 2026	676.05	676.69	676.69	691.13	672.31	647,348
July 16, 2026	666.28	678.94	678.94	680.29	661.38	726,128
July 15, 2026	656.11	664.45	664.45	669.1	648.66	555,401
July 14, 2026	658	656.12	656.12	663.1	653.31	472,309
July 13, 2026	661.63	663.09	663.09	665.6	655.11	604,852
July 10, 2026	670.06	664.52	664.52	676.66	658.5	565,852
July 09, 2026	660.8	667.95	667.95	669.16	660.8	671,993
July 08, 2026	669.11	662.88	662.88	670.35	661.43	746,725
July 07, 2026	663.18	676.23	676.23	677.92	659.02	918,180
July 06, 2026	657.96	649.81	649.81	657.96	637.72	714,206
July 02, 2026	630.52	654.27	654.27	654.93	625.7	1.04M
July 01, 2026	629.9	624.72	624.72	632.85	623.89	1.12M
June 30, 2026	630.95	623.54	623.54	634.06	622.29	814,349
June 29, 2026	635.99	631.81	631.81	638.3	626.86	715,159
June 26, 2026	623.64	632.9	632.9	638.76	623.44	1.21M
June 25, 2026	623.16	620.14	620.14	634.31	619.7	696,664
June 24, 2026	621.63	623.43	623.43	631.18	619.27	837,327
June 23, 2026	607.92	618.03	618.03	621.79	607.92	1.27M
June 22, 2026	604.46	612.5	612.5	613.56	594.9	1.6M
June 18, 2026	612.07	609.94	609.94	616.24	598.19	2.21M
June 17, 2026	615.16	607.93	607.93	620	602.13	1.25M
June 16, 2026	615.18	614.73	614.73	617.6	608.21	1.01M
June 15, 2026	613.35	614.98	614.98	615.95	608.59	815,808
June 12, 2026	613.11	612.14	612.14	616.54	605.01	710,844
June 11, 2026	604.31	611.48	611.48	618.1	603.57	915,389
June 10, 2026	619.07	601.65	601.65	619.26	601.22	801,539
June 09, 2026	624.17	616.18	616.18	628.9	610.95	1.06M
June 08, 2026	638.04	611.34	611.34	638.95	608.98	1.02M
June 05, 2026	632.26	635.45	635.45	640.82	632.09	975,386
June 04, 2026	628.07	628.73	628.73	633.89	621.11	947,056
June 03, 2026	600.79	618.95	618.95	623.9	599	951,536
June 02, 2026	596.52	602.92	602.92	604.63	591.52	1.04M
June 01, 2026	607.54	600.66	600.66	614	598.79	1.08M
May 29, 2026	620.11	614.78	614.78	624.47	609.77	2.15M
May 28, 2026	630.15	621.52	621.52	631.73	620.35	1.23M
May 27, 2026	634.8	627.74	627.74	638.06	625	1.91M
May 26, 2026	642.45	634.62	634.62	648.5	632.68	789,504
May 22, 2026	638.04	638.88	638.88	644.12	633.39	994,796
May 21, 2026	641.09	642.59	642.59	650.32	639.81	1.14M
May 20, 2026	636.66	649.76	649.76	651	633.81	1.04M
May 19, 2026	630.49	630.3	630.3	639.99	616.02	1.45M
May 18, 2026	615.93	629.36	629.36	633	610.6	3M
May 15, 2026	712.69	698.25	698.25	717.89	693.7	727,999
May 14, 2026	719	712.87	712.87	722.51	710.06	767,150
May 13, 2026	721.29	719.88	719.88	730.59	709.51	754,649
May 12, 2026	716.39	723.41	723.41	725.6	710.02	816,872
May 11, 2026	714.99	712.77	712.77	727.39	701.99	982,323
May 08, 2026	709.29	714.89	714.89	717.99	708.36	542,815
May 07, 2026	718.5	709.1	709.1	725.31	707.43	774,080
May 06, 2026	703.33	721.05	721.05	726.16	702.5	738,652
May 05, 2026	710.73	702.27	702.27	715.62	699.23	604,979