American Century Select Fund (TWSIX) NASDAQ

Currency In USD

TWSIX Historical Return

If you invested $1000 in American Century Select Fund (TWSIX) 10 years ago, it would be worth $4,436.41 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,611.52, while $1000 invested 1 year ago would be worth $1,119.58. This corresponds to total returns of 343.64%, 61.15%, 11.96%, respectively, with annualized returns of 16.06%, 10.01%, 11.96%.

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

TWSIX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low
August 21, 2026	139.28	139.88	139.88	139.88	139.28
August 20, 2026	140.39	139.28	139.28	140.39	139.28
August 19, 2026	140.26	140.39	140.39	140.39	140.26
August 18, 2026	142.82	140.26	140.26	142.82	140.26
August 17, 2026	142.82	142.43	142.43	142.82	142.43
August 14, 2026	143.36	142.82	142.82	143.36	142.82
August 13, 2026	142.4	143.36	143.36	143.36	142.4
August 12, 2026	142.24	142.4	142.4	142.4	142.24
August 11, 2026	142.24	141.49	141.49	142.24	141.49
August 10, 2026	143	142.24	142.24	143	142.24
August 07, 2026	141.41	143	143	143	141.41
August 06, 2026	141.79	141.41	141.41	141.79	141.41
August 05, 2026	142.29	141.79	141.79	142.29	141.79
August 04, 2026	142.29	142.29	142.29	142.29	142.29
August 03, 2026	139.52	139.52	139.52	139.52	139.52
July 31, 2026	133.61	133.61	133.61	133.61	133.61
July 30, 2026	130.56	130.56	130.56	130.56	130.56
July 29, 2026	130.56	130.56	130.56	130.56	130.56
July 28, 2026	133.42	133.42	133.42	133.42	133.42
July 27, 2026	133.42	133.42	133.42	133.42	133.42
July 23, 2026	134.86	134.86	134.86	134.86	134.86
July 22, 2026	137.82	137.82	137.82	137.82	137.82
July 21, 2026	137.34	137.34	137.34	137.34	137.34
July 20, 2026	137.34	137.34	137.34	137.34	137.34
July 17, 2026	137.37	137.37	137.37	137.37	137.37
July 16, 2026	139.44	139.44	139.44	139.44	139.44
July 15, 2026	141.62	141.62	141.62	141.62	141.62
July 14, 2026	140.27	140.27	140.27	140.27	140.27
July 13, 2026	138.35	138.35	138.35	138.35	138.35
July 10, 2026	141.09	141.09	141.09	141.09	141.09
July 09, 2026	140.44	140.44	140.44	140.44	140.44
July 08, 2026	139.62	139.62	139.62	139.62	139.62
July 07, 2026	139.6	139.6	139.6	139.6	139.6
July 06, 2026	140.57	140.57	140.57	140.57	140.57
July 02, 2026	139.97	139.97	139.97	139.97	139.97
July 01, 2026	140.23	140.23	140.23	140.23	140.23
June 30, 2026	140.23	140.23	140.23	140.23	140.23
June 29, 2026	138.02	138.02	138.02	138.02	138.02
June 26, 2026	135.11	135.11	135.11	135.11	135.11
June 25, 2026	134.51	134.51	134.51	134.51	134.51
June 24, 2026	136.34	136.34	136.34	136.34	136.34
June 23, 2026	136.72	136.72	136.72	136.72	136.72
June 22, 2026	141.7	141.7	141.7	141.7	141.7
June 18, 2026	141.7	141.7	141.7	141.7	141.7
June 17, 2026	139.35	139.35	139.35	139.35	139.35
June 16, 2026	141.49	141.49	141.49	141.49	141.49
June 15, 2026	142.83	142.83	142.83	142.83	142.83
June 12, 2026	139.6	139.6	139.6	139.6	139.6
June 11, 2026	139.39	139.39	139.39	139.39	139.39
June 10, 2026	137.04	137.04	137.04	137.04	137.04
June 09, 2026	140.04	140.04	140.04	140.04	140.04
June 08, 2026	141.24	141.24	141.24	141.24	141.24
June 05, 2026	145.74	145.74	145.74	145.74	145.74
June 04, 2026	144.93	144.93	144.93	144.93	144.93
June 03, 2026	144.93	144.93	144.93	144.93	144.93
June 02, 2026	146.9	146.9	146.9	146.9	146.9
June 01, 2026	147.39	147.39	147.39	147.39	147.39
May 29, 2026	146.71	146.71	146.71	146.71	146.71
May 28, 2026	146.76	146.76	146.76	146.76	146.76
May 27, 2026	145.45	145.45	145.45	145.45	145.45