Golub Capital BDC, Inc. (GBDC) NASDAQ

Currency In USD

GBDC Historical Return

If you invested $1000 in Golub Capital BDC, Inc. (GBDC) 10 years ago, it would be worth $1,653.1 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,344.01, while $1000 invested 1 year ago would be worth $940.12. This corresponds to total returns of 65.31%, 34.4%, -5.99%, respectively, with annualized returns of 5.15%, 6.09%, -5.99%.

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

GBDC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	12.77	12.79	12.79	12.83	12.7	1.34M
September 10, 2026	12.81	12.7	12.7	12.81	12.65	1.39M
September 09, 2026	12.85	12.83	12.83	12.93	12.7	2.13M
September 08, 2026	12.97	12.78	12.78	13.05	12.71	1.7M
September 04, 2026	12.95	13	13	13.04	12.93	918,226
September 03, 2026	12.93	12.97	12.97	13.08	12.84	1.17M
September 02, 2026	12.98	12.95	12.95	13	12.85	1.33M
September 01, 2026	13.12	12.89	12.89	13.13	12.88	1.38M
August 31, 2026	12.98	13.16	13.16	13.23	12.97	892,295
August 28, 2026	13.14	13.03	13.03	13.19	12.96	866,229
August 27, 2026	13.11	13.07	13.07	13.18	13.01	981,928
August 26, 2026	13.14	13.11	13.11	13.2	13.11	692,833
August 25, 2026	13.24	13.11	13.11	13.26	13.06	1.01M
August 24, 2026	13.2	13.24	13.24	13.31	13.14	1.16M
August 21, 2026	13.28	13.2	13.2	13.3	13.1	1.21M
August 20, 2026	13.18	13.21	13.21	13.26	13.1	649,012
August 19, 2026	13.07	13.17	13.17	13.27	13.07	836,658
August 18, 2026	13.12	13.07	13.07	13.14	13.03	682,771
August 17, 2026	13.23	13.12	13.12	13.29	13.11	1.29M
August 14, 2026	13.32	13.26	13.26	13.37	13.23	1.35M
August 13, 2026	13.14	13.4	13.4	13.46	13.13	1.6M
August 12, 2026	13.13	13.09	13.09	13.17	12.93	869,819
August 11, 2026	13.12	13.18	13.18	13.25	13.06	988,908
August 10, 2026	13.12	13.13	13.13	13.15	12.96	1.19M
August 07, 2026	13	13.17	13.17	13.26	13	1.77M
August 06, 2026	12.83	13.06	13.06	13.11	12.8	1.24M
August 05, 2026	13.09	12.81	12.81	13.11	12.71	1.61M
August 04, 2026	13.12	13.08	13.08	13.23	13	1.75M
August 03, 2026	12.95	13.19	13.19	13.23	12.92	1.44M
July 31, 2026	12.82	12.83	12.83	12.92	12.69	610,056
July 30, 2026	12.85	12.84	12.84	12.92	12.62	1.05M
July 29, 2026	12.96	12.8	12.8	13.05	12.76	747,641
July 28, 2026	12.93	12.96	12.96	13.04	12.91	1.05M
July 27, 2026	12.82	12.88	12.88	12.94	12.8	832,788
July 24, 2026	12.8	12.78	12.78	12.85	12.63	857,395
July 23, 2026	12.75	12.78	12.78	12.83	12.62	746,021
July 22, 2026	13.04	12.85	12.85	13.05	12.76	944,079
July 21, 2026	12.98	13.01	13.01	13.06	12.9	561,882
July 20, 2026	13.06	12.95	12.95	13.19	12.78	728,206
July 17, 2026	13.33	13.06	13.06	13.42	13.02	788,938
July 16, 2026	13.15	13.33	13.33	13.34	13.11	942,188
July 15, 2026	13.06	13.24	13.24	13.3	13.04	1.81M
July 14, 2026	12.97	13.02	13.02	13.06	12.94	698,398
July 13, 2026	12.98	12.92	12.92	13.02	12.89	866,565
July 10, 2026	12.8	12.92	12.92	12.97	12.78	780,027
July 09, 2026	12.79	12.72	12.72	12.82	12.71	1.12M
July 08, 2026	12.75	12.75	12.75	12.78	12.64	844,148
July 07, 2026	12.89	12.75	12.75	13.05	12.74	827,189
July 06, 2026	12.97	12.87	12.87	13.07	12.83	1.47M
July 02, 2026	13.03	12.99	12.99	13.03	12.88	823,714
July 01, 2026	12.88	12.84	12.84	13.01	12.81	1.23M
June 30, 2026	12.78	12.88	12.88	13.06	12.78	3.33M
June 29, 2026	12.64	12.78	12.78	12.8	12.6	1.48M
June 26, 2026	12.41	12.59	12.59	12.71	12.41	1.48M
June 25, 2026	12.35	12.4	12.4	12.46	12.3	1.04M
June 24, 2026	12.34	12.35	12.35	12.45	12.22	1.02M
June 23, 2026	12.28	12.32	12.32	12.42	12.23	1.22M
June 22, 2026	12.35	12.29	12.29	12.57	12.27	987,882
June 18, 2026	12.4	12.35	12.35	12.46	12.29	1.7M
June 17, 2026	12.73	12.35	12.35	12.8	12.29	1.52M