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 $8,623.71 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 $1,947.54, while $1000 invested 1 year ago would be worth $1,205.52. This corresponds to total returns of 762.37%, 94.75%, 20.55%, respectively, with annualized returns of 24.03%, 14.25%, 20.55%.

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
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
May 04, 2026	106.24	106.24	106.24	106.24	106.24
May 01, 2026	106.18	106.18	106.18	106.18	106.18
April 30, 2026	105.57	105.57	105.57	105.57	105.57
April 29, 2026	104.79	104.79	104.79	104.79	104.79
April 28, 2026	105.12	105.12	105.12	105.12	105.12
April 27, 2026	106.19	106.19	106.19	106.19	106.19
April 24, 2026	105.72	105.72	105.72	105.72	105.72
April 23, 2026	104.32	104.32	104.32	104.32	104.32
April 22, 2026	105.33	105.33	105.33	105.33	105.33
April 21, 2026	103.9	103.9	103.9	103.9	103.9
April 20, 2026	104.76	104.76	104.76	104.76	104.76
April 17, 2026	105.14	105.14	105.14	105.14	105.14
April 16, 2026	103.73	103.73	103.73	103.73	103.73
April 15, 2026	103.66	103.66	103.66	103.66	103.66
April 14, 2026	102.05	102.05	102.05	102.05	102.05
April 13, 2026	100.01	100.01	100.01	100.01	100.01
April 10, 2026	98.64	98.64	98.64	98.64	98.64
April 09, 2026	98.49	98.49	98.49	98.49	98.49
April 08, 2026	98.07	98.07	98.07	98.07	98.07
April 07, 2026	95.43	95.43	95.43	95.43	95.43
April 06, 2026	95.24	95.24	95.24	95.24	95.24
April 02, 2026	94.85	94.85	94.85	94.85	94.85
April 01, 2026	94.86	94.86	94.86	94.86	94.86
March 31, 2026	93.83	93.83	93.83	93.83	93.83
March 30, 2026	90.23	90.23	90.23	90.23	90.23
March 27, 2026	90.82	90.82	90.82	90.82	90.82
March 26, 2026	93.04	93.04	93.04	93.04	93.04