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 $4,462.9 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,613.71, while $1000 invested 1 year ago would be worth $1,082.38. This corresponds to total returns of 346.29%, 61.37%, 8.24%, respectively, with annualized returns of 16.13%, 10.04%, 8.24%.
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 |
|---|---|---|---|---|---|---|
| October 21, 2026 | 135.08 | 136.52 | 136.52 | 136.52 | 135.08 | 0 |
| October 20, 2026 | 135.34 | 135.08 | 135.08 | 135.34 | 135.08 | 0 |
| October 19, 2026 | 133.96 | 135.34 | 135.34 | 135.34 | 133.96 | 0 |
| October 16, 2026 | 136.56 | 136.56 | 136.56 | 136.56 | 136.56 | 0 |
| October 15, 2026 | 136.74 | 136.74 | 136.74 | 136.74 | 136.74 | 0 |
| October 14, 2026 | 139.48 | 136.74 | 136.74 | 139.48 | 136.74 | 0 |
| October 13, 2026 | 139.3 | 139.3 | 139.3 | 139.3 | 139.3 | 0 |
| October 12, 2026 | 140.14 | 139.3 | 139.3 | 140.14 | 139.3 | 0 |
| October 09, 2026 | 138.98 | 140.14 | 140.14 | 140.14 | 138.98 | 0 |
| October 08, 2026 | 140.84 | 140.84 | 140.84 | 140.84 | 140.84 | 0 |
| October 07, 2026 | 141.3 | 141.3 | 141.3 | 141.3 | 141.3 | 0 |
| October 06, 2026 | 140.58 | 141.3 | 141.3 | 141.3 | 140.58 | 0 |
| October 05, 2026 | 139.13 | 139.13 | 139.13 | 139.13 | 139.13 | 0 |
| October 02, 2026 | 137.36 | 139.13 | 139.13 | 139.13 | 137.36 | 0 |
| October 01, 2026 | 136.75 | 137.36 | 137.36 | 137.36 | 136.75 | 0 |
| September 30, 2026 | 136.87 | 136.75 | 136.75 | 136.87 | 136.75 | 0 |
| September 29, 2026 | 136.61 | 136.61 | 136.61 | 136.61 | 136.61 | 0 |
| September 28, 2026 | 137.43 | 137.43 | 137.43 | 137.43 | 137.43 | 0 |
| September 25, 2026 | 136.8 | 136.8 | 136.8 | 136.8 | 136.8 | 0 |
| September 24, 2026 | 136.55 | 136.55 | 136.55 | 136.55 | 136.55 | 0 |
| September 23, 2026 | 137.99 | 136.55 | 136.55 | 137.99 | 136.55 | 0 |
| September 22, 2026 | 137.82 | 137.99 | 137.99 | 137.99 | 137.82 | 0 |
| September 21, 2026 | 134.69 | 137.82 | 137.82 | 137.82 | 134.69 | 0 |
| September 18, 2026 | 134.06 | 134.69 | 134.69 | 134.69 | 134.06 | 0 |
| September 17, 2026 | 132.18 | 134.06 | 134.06 | 134.06 | 132.18 | 0 |
| September 16, 2026 | 131.84 | 132.18 | 132.18 | 132.18 | 131.84 | 0 |
| September 15, 2026 | 132.43 | 131.84 | 131.84 | 132.43 | 131.84 | 0 |
| September 11, 2026 | 132.49 | 133.64 | 133.64 | 133.64 | 132.49 | 0 |
| September 10, 2026 | 133.61 | 132.49 | 132.49 | 133.61 | 132.49 | 0 |
| September 09, 2026 | 134.55 | 133.61 | 133.61 | 134.55 | 133.61 | 0 |
| September 08, 2026 | 134.92 | 134.55 | 134.55 | 134.92 | 134.55 | 0 |
| September 04, 2026 | 135.28 | 135.28 | 135.28 | 135.28 | 135.28 | 0 |
| September 03, 2026 | 133.57 | 135.28 | 135.28 | 135.28 | 133.57 | 0 |
| September 02, 2026 | 132.63 | 133.57 | 133.57 | 133.57 | 132.63 | 0 |
| September 01, 2026 | 134.23 | 132.63 | 132.63 | 134.23 | 132.63 | 0 |
| August 31, 2026 | 134.48 | 134.23 | 134.23 | 134.48 | 134.23 | 0 |
| August 28, 2026 | 135.72 | 134.48 | 134.48 | 135.72 | 134.48 | 0 |
| August 27, 2026 | 133.1 | 135.72 | 135.72 | 135.72 | 133.1 | 0 |
| August 26, 2026 | 133.23 | 133.1 | 133.1 | 133.23 | 133.1 | 0 |
| August 25, 2026 | 132.4 | 133.23 | 133.23 | 133.23 | 132.4 | 0 |
| August 24, 2026 | 133.48 | 132.4 | 132.4 | 133.48 | 132.4 | 0 |
| August 21, 2026 | 132.91 | 133.48 | 133.48 | 133.48 | 132.91 | 0 |
| August 20, 2026 | 133.97 | 132.91 | 132.91 | 133.97 | 132.91 | 0 |
| August 19, 2026 | 133.85 | 133.97 | 133.97 | 133.97 | 133.85 | 0 |
| August 18, 2026 | 136.29 | 133.85 | 133.85 | 136.29 | 133.85 | 0 |
| August 17, 2026 | 136.29 | 135.92 | 135.92 | 136.29 | 135.92 | 0 |
| August 14, 2026 | 136.81 | 136.29 | 136.29 | 136.81 | 136.29 | 0 |
| August 13, 2026 | 135.89 | 136.81 | 136.81 | 136.81 | 135.89 | 0 |
| August 12, 2026 | 135.74 | 135.89 | 135.89 | 135.89 | 135.74 | 0 |
| August 11, 2026 | 135.74 | 135.03 | 135.03 | 135.74 | 135.03 | 0 |
| August 10, 2026 | 136.47 | 135.74 | 135.74 | 136.47 | 135.74 | 0 |
| August 07, 2026 | 134.96 | 136.47 | 136.47 | 136.47 | 134.96 | 0 |
| August 06, 2026 | 135.32 | 134.96 | 134.96 | 135.32 | 134.96 | 0 |
| August 05, 2026 | 135.8 | 135.32 | 135.32 | 135.8 | 135.32 | 0 |
| August 04, 2026 | 135.8 | 135.8 | 135.8 | 135.8 | 135.8 | 0 |
| August 03, 2026 | 133.15 | 133.15 | 133.15 | 133.15 | 133.15 | 0 |
| 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 |