- ISIN
- US0250838820
- CUSIP
- 025083882
- Issuer
- American Century
- Inception Date
- Nov 2, 1981
- Region
- North America (U.S.)
- Category
- Large Cap Growth Equities
- Min. Investment
- $2,500
- Index Tracked
- No Index (Active)
- Domicile
- United States
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Large-Cap
- Asset Class Style
- Growth
- Assets Under Management
- $27B
Share Price Chart
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Performance
TWCUX Performance Chart
American Century Ultra Fund (TWCUX) is down 0.2% since the beginning of the year. TWCUX is currently trading at $94 per share. Investors who bought $1,000 worth of TWCUX shares 5 years ago would now be looking at an investment worth $1,492.
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Compare this symbol against anything
Returns By Period
American Century Ultra Fund (TWCUX) has returned -0.19% so far this year and 9.76% over the past 12 months. Looking at the last ten years, TWCUX has achieved an annualized return of 16.65%, outperforming the S&P 500 Index benchmark, which averaged 13.26% per year.
American Century Ultra Fund
- 1D
- 2.43%
- 1M
- -3.71%
- 6M
- 0.34%
- YTD
- -0.19%
- 1Y
- 9.76%
- 3Y*
- 15.51%
- 5Y*
- 8.33%
- 10Y*
- 16.65%
- ALL TIME*
- 12.58%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
TWCUX Monthly Returns History
Based on dividend-adjusted daily data since Oct 30, 1981, TWCUX's average daily return is +0.06%, while the average monthly return is +1.17%. At this rate, an investment would double in approximately 5.0 years.
Historically, 60% of months were positive and 40% were negative. The best month was Jan 1987 with a return of +23.4%, while the worst month was Oct 1987 at -32.5%. The longest winning streak lasted 13 consecutive months, and the longest losing streak was 5 months.
On a daily basis, TWCUX closed higher 53% of trading days. The best single day was Dec 18, 1987 with a return of +59.8%, while the worst single day was Dec 21, 1987 at -34.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.53% | -3.31% | -5.16% | 12.49% | 6.43% | -3.57% | -5.22% | -0.19% | |||||
| 2025 | 1.79% | -4.76% | -8.57% | 1.11% | 8.51% | 5.53% | 2.05% | 1.29% | 4.53% | 4.95% | -1.93% | -1.28% | 12.66% |
| 2024 | 2.05% | 6.82% | 1.72% | -3.69% | 6.35% | 6.30% | -2.62% | 1.92% | 2.08% | -0.67% | 6.47% | 0.14% | 29.54% |
| 2023 | 9.66% | -1.72% | 7.80% | 0.89% | 5.52% | 6.51% | 2.83% | -1.78% | -5.64% | -2.48% | 11.53% | 4.97% | 43.36% |
| 2022 | -8.87% | -4.50% | 4.03% | -13.08% | -3.42% | -9.12% | 14.38% | -5.77% | -9.38% | 5.75% | 4.38% | -9.20% | -32.38% |
| 2021 | -1.63% | 0.96% | 0.74% | 7.82% | -2.42% | 6.83% | 3.90% | 3.49% | -5.61% | 7.72% | -0.99% | 1.42% | 23.47% |
Benchmark Metrics
American Century Ultra Fund has an annualized alpha of 3.02%, beta of 1.08, and R2 of 0.64 versus S&P 500 Index. Calculated based on daily prices since October 30, 1981.
- This fund captured 131.49% of S&P 500 Index gains and 117.35% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- This fund generated an annualized alpha of 3.02% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
- With beta of 1.08 and R2 of 0.64, this fund moves broadly in line with S&P 500 Index - much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 3.02%
- Beta
- 1.08
- R²
- 0.64
- Upside Capture
- 131.49%
- Downside Capture
- 117.35%
Expense Ratio
TWCUX has an expense ratio of 0.87%, placing it in the medium range.
Return for Risk
Risk / Return Rank
TWCUX ranks 9 for risk / return — above 9% of mutual funds peers on PortfoliosLab. Its historical combined result is below most peers; review the five component ranks for context.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for American Century Ultra Fund (TWCUX) and compare them to S&P 500 Index.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| TWCUX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.03 | ||
| Sortino ratioReturn per unit of downside risk | -1.32 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.25 | -0.18 |
| Calmar ratioReturn relative to maximum drawdown | 0.45 | 2.00 | -1.55 |
| Martin ratioReturn relative to average drawdown | 1.37 | 8.49 | -7.13 |
Dividends
Dividend History
American Century Ultra Fund provided a 11.60% dividend yield over the last twelve months, with an annual payout of $10.89 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $10.89 | $10.89 | $3.34 | $4.54 | $4.09 | $5.94 | $2.12 | $2.23 | $3.33 | $2.54 | $1.60 | $1.82 |
Dividend yield | 11.60% | 11.57% | 3.58% | 6.09% | 7.42% | 6.78% | 2.80% | 4.27% | 8.24% | 5.85% | 4.58% | 5.21% |
Monthly Dividends
The table displays the monthly dividend distributions for American Century Ultra Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | |||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $10.89 | $10.89 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $3.34 | $3.34 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.54 | $4.54 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.09 | $4.09 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $5.94 | $5.94 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the American Century Ultra Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the American Century Ultra Fund was 62.11%, occurring on Mar 9, 2009. Recovery took 1108 trading sessions.
The current American Century Ultra Fund drawdown is 9.35%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-62.11%Mar 2009 | 8y 11mo | 4y 4mo | 13y 4moMar 2000 - Aug 2013 | Financial crisis2007–2009 |
-46.51%Oct 1987 | 20d | 1mo 23d | 2mo 13dOct 1987 - Dec 1987 | Black Monday1987 |
-44.18%Jul 1984 | 1y 1mo | 1y 9mo | 2y 10moJun 1983 - Apr 1986 | — |
-39.05%Jan 1988 | 1mo | 1y 3mo | 1y 4moDec 1987 - May 1989 | — |
-35.23%Oct 2022 | 10mo 29d | 1y 3mo | 2y 2moNov 2021 - Feb 2024 | Bear market2022 |
Drawdown Indicators
| TWCUX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.11% | -56.78% | -5.33% |
Max Drawdown (1Y)Largest decline over 1 year | -15.72% | -9.10% | -6.62% |
Max Drawdown (3Y)Largest decline over 3 years | -24.86% | -18.90% | -5.96% |
Max Drawdown (5Y)Largest decline over 5 years | -35.23% | -25.43% | -9.80% |
Max Drawdown (10Y)Largest decline over 10 years | -35.23% | -33.92% | -1.31% |
Current DrawdownCurrent decline from peak | -9.35% | -1.58% | -7.77% |
Average DrawdownAverage peak-to-trough decline | -16.77% | -10.70% | -6.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.16% | 2.14% | +3.02% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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