TWUIX
Ultra Fund
American Century Mutual Funds, Inc.

Average annual returns

Through 2025 · incl. N-PORT-derived 2025
1 year
12.85%
3 year
28.13%
5 year
11.93%
10 year

Standardized average annual total returns (before tax), from calendar-year returns; recent years derived from N-PORT monthly data.

Calendar-year returns

2020 onward derived from N-PORT monthly returns

Risk statistics

78 months through Jan. 31, 2026
Volatility (ann.)
15.28%
Sharpe
1.57
Sortino
3.23
Max drawdown
-32.44%
Best month
15.97%
Worst month
-13.06%
Beta vs VTSAX
1.11
Correlation
0.89

Derived from N-PORT monthly total returns; distinct from the prospectus returns above.

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.