Main Street Capital Corporation (MAIN) NYSE

Currency In USD

MAIN Historical Return

If you invested $1000 in Main Street Capital Corporation (MAIN) 10 years ago, it would be worth $3,204.96 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,734.41, while $1000 invested 1 year ago would be worth $916.12. This corresponds to total returns of 220.5%, 73.44%, -8.39%, respectively, with annualized returns of 12.35%, 11.64%, -8.39%.

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

MAIN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	50.72	50.35	50.35	51.44	50.35	578,068
June 18, 2026	51.07	50.97	50.97	51.43	50.68	1.49M
June 17, 2026	51.53	50.61	50.61	51.81	50.5	665,241
June 16, 2026	51.49	51.46	51.46	51.92	51.19	717,458
June 15, 2026	52.49	51.29	51.29	53.01	51.23	929,438
June 12, 2026	51.9	52.02	52.02	52.45	51.5	385,382
June 11, 2026	51.73	51.74	51.74	52.25	51.34	557,189
June 10, 2026	51.27	51.54	51.54	52.2	51.26	701,308
June 09, 2026	51.56	51.36	51.36	52	50.89	591,830
June 08, 2026	51.55	51.37	51.37	51.76	50.75	567,870
June 05, 2026	52.1	51.81	51.81	52.39	51.37	783,337
June 04, 2026	51.15	52.02	52.02	52.38	51.15	543,664
June 03, 2026	51.1	50.71	50.71	51.43	50.36	541,916
June 02, 2026	51.64	51.57	51.57	52.05	51.32	628,272
June 01, 2026	51.03	51.61	51.61	52.03	51	648,721
May 29, 2026	51.11	51.21	51.21	51.92	51.04	399,126
May 28, 2026	51	51.29	51.29	51.66	50.97	465,267
May 27, 2026	51.05	51.12	51.12	51.78	51.01	459,447
May 26, 2026	49.94	51.18	51.18	51.63	49.66	969,848
May 22, 2026	51	49.63	49.63	51.41	48.95	1.89M
May 21, 2026	51.23	51.02	51.02	51.87	50.74	481,204
May 20, 2026	50.56	51.22	51.22	51.71	50.35	591,913
May 19, 2026	50.9	50.53	50.53	51.23	50.25	721,428
May 18, 2026	50.45	50.99	50.99	51.45	49.85	772,995
May 15, 2026	51.06	50.45	50.45	51.5	50.05	871,169
May 14, 2026	51.22	50.69	50.69	51.64	50.12	1.31M
May 13, 2026	52.4	51.01	51.01	52.86	51	1.22M
May 12, 2026	52.62	52.92	52.92	53.26	52.37	684,098
May 11, 2026	53.68	52.3	52.3	53.95	52.1	1.19M
May 08, 2026	55.75	54.01	54.01	56.6	52.81	1.33M
May 07, 2026	56.97	56.6	56.6	57.07	56.41	615,052
May 06, 2026	57.55	57.33	57.33	57.8	56.68	590,129
May 05, 2026	56.15	57.36	57.36	57.5	55.65	470,537
May 04, 2026	56	55.76	55.76	56.64	55.52	476,361
May 01, 2026	56	56.2	56.2	56.64	55.67	439,387
April 30, 2026	53.69	55.84	55.84	55.94	53.64	635,244
April 29, 2026	54.44	53.75	53.75	54.5	53.4	476,512
April 28, 2026	53.93	54.65	54.65	54.74	53.7	418,923
April 27, 2026	54.12	53.94	53.94	54.43	53.89	453,239
April 24, 2026	54.15	54.06	54.06	54.5	53.97	355,822
April 23, 2026	54.6	54.02	54.02	54.6	53.64	517,083
April 22, 2026	54.44	54.65	54.65	55.29	54.23	503,062
April 21, 2026	55.2	54.05	54.05	55.58	53.75	691,337
April 20, 2026	54.42	54.96	54.96	55.24	54.39	524,623
April 17, 2026	54.04	54.82	54.82	54.84	53.96	892,100
April 16, 2026	57.69	53.46	53.46	57.71	53.01	1.85M
April 15, 2026	56.7	57.83	57.83	58.33	56.63	851,446
April 14, 2026	54.5	56.39	56.39	56.55	54.5	852,140
April 13, 2026	52.7	53.96	53.96	53.97	52.25	536,498
April 10, 2026	53.58	53.08	53.08	54	52.85	510,783
April 09, 2026	54.13	53.44	53.44	54.5	53.37	856,699
April 08, 2026	55	54.38	54.38	55.38	53.99	663,537
April 07, 2026	53.93	53.99	53.73	54.38	53.77	453,412
April 06, 2026	52.75	54.2	54.2	54.2	52.51	540,539
April 02, 2026	51.27	52.63	52.63	52.76	50.77	762,068
April 01, 2026	53.26	51.91	51.91	53.36	51.71	888,257
March 31, 2026	52.3	52.96	52.96	53.38	51.86	865,675
March 30, 2026	51.92	51.65	51.65	52.29	51.37	725,305
March 27, 2026	52.75	51.53	51.53	52.79	51.25	988,208
March 26, 2026	54.32	52.92	52.92	54.79	52.86	687,101