Sixth Street Specialty Lending, Inc. (TSLX) NYSE

Currency In USD

TSLX Historical Return

If you invested $1000 in Sixth Street Specialty Lending, Inc. (TSLX) 10 years ago, it would be worth $2,678.14 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,287.05, while $1000 invested 1 year ago would be worth $775.8. This corresponds to total returns of 167.81%, 28.71%, -22.42%, respectively, with annualized returns of 10.35%, 5.18%, -22.42%.

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

TSLX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	17.83	17.89	17.89	17.91	17.7	241,712
September 10, 2026	17.8	17.78	17.78	17.91	17.66	404,976
September 09, 2026	17.94	17.85	17.85	18.01	17.8	238,714
September 08, 2026	18.38	18.04	18.04	18.4	17.94	311,830
September 04, 2026	18.12	18.38	18.38	18.54	18.08	202,294
September 03, 2026	18.3	18.31	18.31	18.37	17.98	236,542
September 02, 2026	18.48	18.2	18.2	18.62	18.16	369,595
September 01, 2026	18.89	18.45	18.45	19.01	18.41	503,171
August 31, 2026	18.67	18.86	18.86	19.1	18.64	341,176
August 28, 2026	18.75	18.74	18.74	18.96	18.73	285,797
August 27, 2026	18.85	18.75	18.75	18.91	18.64	374,595
August 26, 2026	18.87	18.82	18.82	19.05	18.81	226,317
August 25, 2026	18.85	18.98	18.98	19.06	18.83	854,656
August 24, 2026	18.77	18.91	18.91	18.97	18.75	301,148
August 21, 2026	18.83	18.79	18.79	18.91	18.72	222,438
August 20, 2026	18.74	18.77	18.77	18.9	18.54	559,801
August 19, 2026	18.5	18.7	18.7	18.87	18.5	333,016
August 18, 2026	18.52	18.54	18.54	18.75	18.44	365,299
August 17, 2026	18.61	18.44	18.44	18.79	18.44	705,486
August 14, 2026	19.07	18.77	18.77	19.13	18.74	507,141
August 13, 2026	18.9	19.17	19.17	19.26	18.9	427,910
August 12, 2026	18.64	18.8	18.8	18.84	18.57	305,490
August 11, 2026	18.72	18.76	18.76	18.88	18.6	484,971
August 10, 2026	18.86	18.8	18.8	18.92	18.61	749,675
August 07, 2026	18.83	19.1	19.1	19.14	18.68	642,341
August 06, 2026	18.25	18.69	18.69	18.8	18.24	633,737
August 05, 2026	17.6	18.08	18.08	18.2	17.41	703,794
August 04, 2026	17.63	18.01	18.01	18.09	17.57	527,761
August 03, 2026	17.35	17.72	17.72	17.81	17.35	347,484
July 31, 2026	17.27	17.16	17.16	17.47	17.05	461,404
July 30, 2026	17.69	17.24	17.24	17.79	17.07	465,755
July 29, 2026	17.54	17.62	17.62	17.96	17.53	486,056
July 28, 2026	17.24	17.68	17.68	17.71	17.21	598,405
July 27, 2026	16.95	17.13	17.13	17.29	16.93	439,024
July 24, 2026	16.67	16.72	16.72	16.86	16.6	379,018
July 23, 2026	16.7	16.58	16.58	16.79	16.46	390,901
July 22, 2026	17.19	16.77	16.77	17.29	16.76	299,433
July 21, 2026	17.03	17.13	17.13	17.31	17	414,565
July 20, 2026	17.47	17.08	17.08	17.52	16.92	661,511
July 17, 2026	17.71	17.44	17.44	17.88	17.39	440,729
July 16, 2026	17.34	17.71	17.71	17.75	17.33	334,245
July 15, 2026	17.26	17.42	17.42	17.59	17.17	671,439
July 14, 2026	17.03	17.15	17.15	17.35	17.03	330,413
July 13, 2026	17.19	17.06	17.06	17.44	16.91	529,371
July 10, 2026	16.9	17.19	17.19	17.41	16.88	428,249
July 09, 2026	16.91	16.67	16.67	16.95	16.66	544,459
July 08, 2026	17.02	16.84	16.84	17.15	16.84	952,949
July 07, 2026	17.25	17.12	17.12	17.53	17.08	486,857
July 06, 2026	17.28	17.2	17.2	17.55	17.11	820,433
July 02, 2026	17.41	17.29	17.29	17.5	17.21	354,032
July 01, 2026	17.26	17.34	17.34	17.53	17.17	579,043
June 30, 2026	17.06	17.17	17.17	17.27	17	840,271
June 29, 2026	16.95	17.09	17.09	17.24	16.94	1.09M
June 26, 2026	16.34	16.89	16.89	16.91	16.28	657,984
June 25, 2026	16.72	16.2	16.2	16.74	16.04	1.6M
June 24, 2026	16.59	16.67	16.67	16.8	16.32	702,026
June 23, 2026	16.31	16.49	16.49	16.59	16.23	695,164
June 22, 2026	16.59	16.25	16.25	16.81	16.23	1.29M
June 18, 2026	16.5	16.61	16.61	16.73	16.37	1.17M
June 17, 2026	16.55	16.5	16.5	16.83	16.41	548,365