American Century Select Fund Investor Class (TWCIX) NASDAQ
Currency In USD
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Currency In USD
If you invested $1000 in American Century Select Fund Investor Class (TWCIX) 10 years ago, it would be worth $4,272.31 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 $1,593.29, while $1000 invested 1 year ago would be worth $1,106.56. This corresponds to total returns of 327.23%, 59.33%, 10.66%, respectively, with annualized returns of 15.62%, 9.76%, 10.66%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| July 31, 2026 | 127.52 | 127.52 | 127.52 | 127.52 | 127.52 | 0 |
| July 30, 2026 | 124.61 | 124.61 | 124.61 | 124.61 | 124.61 | 0 |
| July 29, 2026 | 124.61 | 124.61 | 124.61 | 124.61 | 124.61 | 0 |
| July 28, 2026 | 127.34 | 127.34 | 127.34 | 127.34 | 127.34 | 0 |
| July 27, 2026 | 127.34 | 127.34 | 127.34 | 127.34 | 127.34 | 0 |
| July 23, 2026 | 128.72 | 128.72 | 128.72 | 128.72 | 128.72 | 0 |
| July 22, 2026 | 131.54 | 131.54 | 131.54 | 131.54 | 131.54 | 0 |
| July 21, 2026 | 131.08 | 131.08 | 131.08 | 131.08 | 131.08 | 0 |
| July 20, 2026 | 131.08 | 131.08 | 131.08 | 131.08 | 131.08 | 0 |
| July 17, 2026 | 131.12 | 131.12 | 131.12 | 131.12 | 131.12 | 0 |
| July 16, 2026 | 133.09 | 133.09 | 133.09 | 133.09 | 133.09 | 0 |
| July 15, 2026 | 135.17 | 135.17 | 135.17 | 135.17 | 135.17 | 0 |
| July 14, 2026 | 133.88 | 133.88 | 133.88 | 133.88 | 133.88 | 0 |
| July 13, 2026 | 132.05 | 132.05 | 132.05 | 132.05 | 132.05 | 0 |
| July 10, 2026 | 134.67 | 134.67 | 134.67 | 134.67 | 134.67 | 0 |
| July 09, 2026 | 134.05 | 134.05 | 134.05 | 134.05 | 134.05 | 0 |
| July 08, 2026 | 133.26 | 133.26 | 133.26 | 133.26 | 133.26 | 0 |
| July 07, 2026 | 133.25 | 133.25 | 133.25 | 133.25 | 133.25 | 0 |
| July 06, 2026 | 134.18 | 134.18 | 134.18 | 134.18 | 134.18 | 0 |
| July 02, 2026 | 133.61 | 133.61 | 133.61 | 133.61 | 133.61 | 0 |
| July 01, 2026 | 133.86 | 133.86 | 133.86 | 133.86 | 133.86 | 0 |
| June 30, 2026 | 133.86 | 133.86 | 133.86 | 133.86 | 133.86 | 0 |
| June 29, 2026 | 131.74 | 131.74 | 131.74 | 131.74 | 131.74 | 0 |
| June 26, 2026 | 128.97 | 128.97 | 128.97 | 128.97 | 128.97 | 0 |
| June 25, 2026 | 128.4 | 128.4 | 128.4 | 128.4 | 128.4 | 0 |
| June 24, 2026 | 130.15 | 130.15 | 130.15 | 130.15 | 130.15 | 0 |
| June 23, 2026 | 130.51 | 130.51 | 130.51 | 130.51 | 130.51 | 0 |
| June 22, 2026 | 135.27 | 135.27 | 135.27 | 135.27 | 135.27 | 0 |
| June 18, 2026 | 135.27 | 135.27 | 135.27 | 135.27 | 135.27 | 0 |
| June 17, 2026 | 133.02 | 133.02 | 133.02 | 133.02 | 133.02 | 0 |
| June 16, 2026 | 135.06 | 135.06 | 135.06 | 135.06 | 135.06 | 0 |
| June 15, 2026 | 136.35 | 136.35 | 136.35 | 136.35 | 136.35 | 0 |
| June 12, 2026 | 133.27 | 133.27 | 133.27 | 133.27 | 133.27 | 0 |
| June 11, 2026 | 133.07 | 133.07 | 133.07 | 133.07 | 133.07 | 0 |
| June 10, 2026 | 130.83 | 130.83 | 130.83 | 130.83 | 130.83 | 0 |
| June 09, 2026 | 133.69 | 133.69 | 133.69 | 133.69 | 133.69 | 0 |
| June 08, 2026 | 134.83 | 134.83 | 134.83 | 134.83 | 134.83 | 0 |
| June 05, 2026 | 139.14 | 139.14 | 139.14 | 139.14 | 139.14 | 0 |
| June 04, 2026 | 138.36 | 138.36 | 138.36 | 138.36 | 138.36 | 0 |
| June 03, 2026 | 138.36 | 138.36 | 138.36 | 138.36 | 138.36 | 0 |
| June 02, 2026 | 140.24 | 140.24 | 140.24 | 140.24 | 140.24 | 0 |
| June 01, 2026 | 140.72 | 140.72 | 140.72 | 140.72 | 140.72 | 0 |
| May 29, 2026 | 140.07 | 140.07 | 140.07 | 140.07 | 140.07 | 0 |
| May 28, 2026 | 140.11 | 140.11 | 140.11 | 140.11 | 140.11 | 0 |
| May 27, 2026 | 138.87 | 138.87 | 138.87 | 138.87 | 138.87 | 0 |
| May 26, 2026 | 138.76 | 138.76 | 138.76 | 138.76 | 138.76 | 0 |
| May 22, 2026 | 137.95 | 137.95 | 137.95 | 137.95 | 137.95 | 0 |
| May 21, 2026 | 138.03 | 138.03 | 138.03 | 138.03 | 138.03 | 0 |
| May 20, 2026 | 138.11 | 138.11 | 138.11 | 138.11 | 138.11 | 0 |
| May 19, 2026 | 136.6 | 136.6 | 136.6 | 136.6 | 136.6 | 0 |
| May 18, 2026 | 137.92 | 137.92 | 137.92 | 137.92 | 137.92 | 0 |
| May 15, 2026 | 140.62 | 140.62 | 140.62 | 140.62 | 140.62 | 0 |
| May 14, 2026 | 139 | 139 | 139 | 139 | 139 | 0 |
| May 13, 2026 | 137.35 | 137.35 | 137.35 | 137.35 | 137.35 | 0 |
| May 12, 2026 | 137.75 | 137.75 | 137.75 | 137.75 | 137.75 | 0 |
| May 11, 2026 | 137.8 | 137.8 | 137.8 | 137.8 | 137.8 | 0 |
| May 08, 2026 | 137.8 | 137.8 | 137.8 | 137.8 | 137.8 | 0 |
| May 07, 2026 | 136.67 | 136.67 | 136.67 | 136.67 | 136.67 | 0 |
| May 06, 2026 | 134 | 134 | 134 | 134 | 134 | 0 |
| May 05, 2026 | 134 | 134 | 134 | 134 | 134 | 0 |