Repligen Corporation (RGEN) NASDAQ

Currency In USD

RGEN Historical Return

If you invested $1000 in Repligen Corporation (RGEN) 10 years ago, it would be worth $5,699.5 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $680.74, while $1000 invested 1 year ago would be worth $1,451.48. This corresponds to total returns of 469.95%, -31.93%, 45.15%, respectively, with annualized returns of 19%, -7.4%, 45.15%.

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

RGEN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	179.66	181.13	181.13	182.43	175.75	1.1M
August 20, 2026	174.61	180.29	180.29	188.73	173.14	1.59M
August 19, 2026	172.74	176.36	176.36	179.87	170	1.9M
August 18, 2026	168.01	166.15	166.15	168.03	164.83	462,701
August 17, 2026	166.25	169.04	169.04	169.5	164.62	655,197
August 14, 2026	167.49	166.83	166.83	168.02	165.05	598,127
August 13, 2026	167.19	167.49	167.49	168.37	161.9	762,286
August 12, 2026	165.21	165.7	165.7	166.96	162.36	833,922
August 11, 2026	163.41	164.77	164.77	168.2	161.02	989,273
August 10, 2026	163.06	163.17	163.17	166.43	160.99	770,765
August 07, 2026	159.44	163.9	163.9	164.97	159.44	950,494
August 06, 2026	156.21	159.44	159.44	162.37	156.09	1.21M
August 05, 2026	150	158.59	158.59	158.95	149.94	1.28M
August 04, 2026	146.76	149.78	149.78	149.97	142.29	1.2M
August 03, 2026	142.06	147.06	147.06	147.38	140.54	1.01M
July 31, 2026	143.81	141.01	141.01	145	139.4	875,259
July 30, 2026	143.67	143.6	143.6	144.18	139.98	1.03M
July 29, 2026	144.24	141.23	141.23	149.73	140.26	1.51M
July 28, 2026	139.7	145.34	145.34	154	137.35	2.46M
July 27, 2026	131.87	131.06	131.06	133.35	130.03	1.46M
July 24, 2026	138.13	131.96	131.96	138.13	131.82	1.36M
July 23, 2026	144.23	137.6	137.6	148.37	132.28	2.74M
July 22, 2026	131.76	140.09	140.09	142.48	131.17	2.69M
July 21, 2026	131.95	136.99	136.99	138.07	129	2.12M
July 20, 2026	147.35	145.49	145.49	149.38	144.35	887,483
July 17, 2026	147.11	147.25	147.25	149.06	143.88	912,389
July 16, 2026	148.66	148.55	148.55	150.9	147.36	828,969
July 15, 2026	147.69	148.06	148.06	149.14	146.25	880,899
July 14, 2026	143.88	147.13	147.13	147.25	142.89	523,042
July 13, 2026	142.8	144.88	144.88	146.69	141.64	753,304
July 10, 2026	144.35	144.24	144.24	145.19	141.84	476,012
July 09, 2026	137.44	143.94	143.94	144.48	136.78	667,198
July 08, 2026	137.67	137.41	137.41	138.88	135.08	689,024
July 07, 2026	144.58	139.83	139.83	144.58	137.61	606,269
July 06, 2026	140.48	141.46	141.46	142.24	137.11	666,682
July 02, 2026	139.9	142.4	142.4	143.17	139.9	981,617
July 01, 2026	137.15	138.99	138.99	140.62	134.68	1.16M
June 30, 2026	136.59	136.44	136.44	138.85	134.01	1.11M
June 29, 2026	142.81	137	137	144.72	135.72	1.79M
June 26, 2026	143.98	147.01	147.01	147.59	143.98	1.97M
June 25, 2026	143	145.23	145.23	149.05	140.45	1.95M
June 24, 2026	128.19	138.4	138.4	140.32	127.18	1.37M
June 23, 2026	128.16	126.37	126.37	130.73	124.85	856,499
June 22, 2026	131.13	126.57	126.57	133.74	125.44	824,733
June 18, 2026	131.4	132.02	132.02	133.57	127.48	1.24M
June 17, 2026	132.9	133.55	133.55	136.54	130.71	1.32M
June 16, 2026	131.32	131.69	131.69	134.11	129.7	612,284
June 15, 2026	133.71	130.87	130.87	134.59	130.42	632,685
June 12, 2026	133.58	130.59	130.59	135.73	130.43	1.33M
June 11, 2026	130.93	133.33	133.33	133.95	129.76	641,409
June 10, 2026	128.57	130.76	130.76	135.07	126.84	1.21M
June 09, 2026	127.49	130.13	130.13	132.25	127.42	1.47M
June 08, 2026	123.57	125.33	125.33	126.48	121.21	741,320
June 05, 2026	125.95	122.31	122.31	128.36	121.69	676,163
June 04, 2026	121.8	126.55	126.55	128.46	121.73	1.19M
June 03, 2026	119.4	121.73	121.73	122.32	117.59	650,590
June 02, 2026	122.18	121.13	121.13	122.41	119.21	754,848
June 01, 2026	122.58	123.1	123.1	124.01	118.52	687,627
May 29, 2026	122.82	123.95	123.95	125.6	121.81	925,602
May 28, 2026	113.17	122.73	122.73	126.68	113.04	1.6M