American Century Ultra Fund (AULDX) NASDAQ

Currency In USD

AULDX Historical Return

If you invested $1000 in American Century Ultra Fund (AULDX) 10 years ago, it would be worth $8,009.18 as of August 02, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,782.39, while $1000 invested 1 year ago would be worth $1,100.62. This corresponds to total returns of 700.92%, 78.24%, 10.06%, respectively, with annualized returns of 23.11%, 12.25%, 10.06%.

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

AULDX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low
July 31, 2026	102.79	102.79	102.79	102.79	102.79
July 30, 2026	100.35	100.35	100.35	100.35	100.35
July 29, 2026	100.35	100.35	100.35	100.35	100.35
July 28, 2026	102.12	102.12	102.12	102.12	102.12
July 27, 2026	102.46	102.46	102.46	102.46	102.46
July 23, 2026	103.43	103.43	103.43	103.43	103.43
July 22, 2026	105.74	105.74	105.74	105.74	105.74
July 21, 2026	106.34	106.34	106.34	106.34	106.34
July 20, 2026	105.1	105.1	105.1	105.1	105.1
July 17, 2026	105.13	105.13	105.13	105.13	105.13
July 16, 2026	107.12	107.12	107.12	107.12	107.12
July 15, 2026	108.96	108.96	108.96	108.96	108.96
July 14, 2026	108.28	108.28	108.28	108.28	108.28
July 13, 2026	107.06	107.06	107.06	107.06	107.06
July 10, 2026	108.61	108.61	108.61	108.61	108.61
July 09, 2026	108.38	108.38	108.38	108.38	108.38
July 08, 2026	107.41	107.41	107.41	107.41	107.41
July 07, 2026	107.23	107.23	107.23	107.23	107.23
July 06, 2026	107.95	107.95	107.95	107.95	107.95
July 02, 2026	106.72	106.72	106.72	106.72	106.72
July 01, 2026	107.78	107.78	107.78	107.78	107.78
June 30, 2026	108.41	108.41	108.41	108.41	108.41
June 29, 2026	106.77	106.77	106.77	106.77	106.77
June 26, 2026	104.3	104.3	104.3	104.3	104.3
June 25, 2026	104.04	104.04	104.04	104.04	104.04
June 24, 2026	104.54	104.54	104.54	104.54	104.54
June 23, 2026	104.69	104.69	104.69	104.69	104.69
June 22, 2026	108.4	108.4	108.4	108.4	108.4
June 18, 2026	108.4	108.4	108.4	108.4	108.4
June 17, 2026	106.79	106.79	106.79	106.79	106.79
June 16, 2026	108.17	108.17	108.17	108.17	108.17
June 15, 2026	109.08	109.08	109.08	109.08	109.08
June 12, 2026	106.56	106.56	106.56	106.56	106.56
June 11, 2026	106.64	106.64	106.64	106.64	106.64
June 10, 2026	104.72	104.72	104.72	104.72	104.72
June 09, 2026	107.12	107.12	107.12	107.12	107.12
June 08, 2026	107.76	107.76	107.76	107.76	107.76
June 05, 2026	111.47	111.47	111.47	111.47	111.47
June 04, 2026	111.47	111.47	111.47	111.47	111.47
June 03, 2026	111.07	111.07	111.07	111.07	111.07
June 02, 2026	112.89	112.89	112.89	112.89	112.89
June 01, 2026	113.31	113.31	113.31	113.31	113.31
May 29, 2026	112.13	112.13	112.13	112.13	112.13
May 28, 2026	112.13	112.13	112.13	112.13	112.13
May 27, 2026	110.78	110.78	110.78	110.78	110.78
May 26, 2026	110.99	110.99	110.99	110.99	110.99
May 22, 2026	110.33	110.33	110.33	110.33	110.33
May 21, 2026	110.26	110.26	110.26	110.26	110.26
May 20, 2026	110.32	110.32	110.32	110.32	110.32
May 19, 2026	109.13	109.13	109.13	109.13	109.13
May 18, 2026	110.24	110.24	110.24	110.24	110.24
May 15, 2026	110.74	110.74	110.74	110.74	110.74
May 14, 2026	112.37	112.37	112.37	112.37	112.37
May 13, 2026	111.06	111.06	111.06	111.06	111.06
May 12, 2026	109.61	109.61	109.61	109.61	109.61
May 11, 2026	109.91	109.91	109.91	109.91	109.91
May 08, 2026	110.04	110.04	110.04	110.04	110.04
May 07, 2026	108.98	108.98	108.98	108.98	108.98
May 06, 2026	108.98	108.98	108.98	108.98	108.98
May 05, 2026	106.78	106.78	106.78	106.78	106.78