American Century Ultra Fund - I Class (TWUIX) NASDAQ

Currency In USD

TWUIX Historical Return

If you invested $1000 in American Century Ultra Fund - I Class (TWUIX) 10 years ago, it would be worth $5,220.7 as of July 13, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,604.2, while $1000 invested 1 year ago would be worth $1,158.52. This corresponds to total returns of 422.07%, 60.42%, 15.85%, respectively, with annualized returns of 17.96%, 9.91%, 15.85%.

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

TWUIX Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low
July 10, 2026	106.92	106.92	106.92	106.92	106.92
July 09, 2026	106.69	106.69	106.69	106.69	106.69
July 08, 2026	105.75	105.75	105.75	105.75	105.75
July 07, 2026	105.57	105.57	105.57	105.57	105.57
July 06, 2026	106.28	106.28	106.28	106.28	106.28
July 02, 2026	105.07	105.07	105.07	105.07	105.07
July 01, 2026	106.11	106.11	106.11	106.11	106.11
June 30, 2026	106.74	106.74	106.74	106.74	106.74
June 29, 2026	105.12	105.12	105.12	105.12	105.12
June 26, 2026	102.68	102.68	102.68	102.68	102.68
June 25, 2026	102.43	102.43	102.43	102.43	102.43
June 24, 2026	102.92	102.92	102.92	102.92	102.92
June 23, 2026	103.07	103.07	103.07	103.07	103.07
June 22, 2026	106.73	106.73	106.73	106.73	106.73
June 18, 2026	106.73	106.73	106.73	106.73	106.73
June 17, 2026	105.14	105.14	105.14	105.14	105.14
June 16, 2026	106.5	106.5	106.5	106.5	106.5
June 15, 2026	107.4	107.4	107.4	107.4	107.4
June 12, 2026	104.92	104.92	104.92	104.92	104.92
June 11, 2026	105	105	105	105	105
June 10, 2026	103.11	103.11	103.11	103.11	103.11
June 09, 2026	105.47	105.47	105.47	105.47	105.47
June 08, 2026	106.1	106.1	106.1	106.1	106.1
June 05, 2026	109.75	109.75	109.75	109.75	109.75
June 04, 2026	109.75	109.75	109.75	109.75	109.75
June 03, 2026	109.36	109.36	109.36	109.36	109.36
June 02, 2026	111.16	111.16	111.16	111.16	111.16
June 01, 2026	111.57	111.57	111.57	111.57	111.57
May 29, 2026	110.41	110.41	110.41	110.41	110.41
May 28, 2026	110.41	110.41	110.41	110.41	110.41
May 27, 2026	109.08	109.08	109.08	109.08	109.08
May 26, 2026	109.29	109.29	109.29	109.29	109.29
May 22, 2026	108.64	108.64	108.64	108.64	108.64
May 21, 2026	108.57	108.57	108.57	108.57	108.57
May 20, 2026	108.63	108.63	108.63	108.63	108.63
May 19, 2026	107.46	107.46	107.46	107.46	107.46
May 18, 2026	108.55	108.55	108.55	108.55	108.55
May 15, 2026	109.04	109.04	109.04	109.04	109.04
May 14, 2026	110.65	110.65	110.65	110.65	110.65
May 13, 2026	109.36	109.36	109.36	109.36	109.36
May 12, 2026	107.94	107.94	107.94	107.94	107.94
May 11, 2026	108.23	108.23	108.23	108.23	108.23
May 08, 2026	108.35	108.35	108.35	108.35	108.35
May 07, 2026	107.32	107.32	107.32	107.32	107.32
May 06, 2026	107.32	107.32	107.32	107.32	107.32
May 05, 2026	105.15	105.15	105.15	105.15	105.15
May 04, 2026	104.62	104.62	104.62	104.62	104.62
May 01, 2026	104.56	104.56	104.56	104.56	104.56
April 30, 2026	103.96	103.96	103.96	103.96	103.96
April 29, 2026	103.2	103.2	103.2	103.2	103.2
April 28, 2026	103.52	103.52	103.52	103.52	103.52
April 27, 2026	104.57	104.57	104.57	104.57	104.57
April 24, 2026	104.11	104.11	104.11	104.11	104.11
April 23, 2026	102.73	102.73	102.73	102.73	102.73
April 22, 2026	103.73	103.73	103.73	103.73	103.73
April 21, 2026	102.32	102.32	102.32	102.32	102.32
April 20, 2026	103.17	103.17	103.17	103.17	103.17
April 17, 2026	103.54	103.54	103.54	103.54	103.54
April 16, 2026	102.15	102.15	102.15	102.15	102.15
April 15, 2026	102.09	102.09	102.09	102.09	102.09