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ISIN
US0250831064
CUSIP
025083106
Inception Date
Jun 30, 1971
Region
North America (U.S.)
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
$15B

Share Price Chart


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Performance

TWCGX Performance Chart

American Century Growth Fund Investor Class (TWCGX) is up 4.8% since the beginning of the year. TWCGX is currently trading at $60 per share. Investors who bought $1,000 worth of TWCGX shares 5 years ago would now be looking at an investment worth $1,619.


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Benchmark

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Returns By Period

American Century Growth Fund Investor Class (TWCGX) has returned 4.79% so far this year and 12.82% over the past 12 months. Looking at the last ten years, TWCGX has achieved an annualized return of 16.05%, outperforming the S&P 500 Index benchmark, which averaged 13.49% per year.


American Century Growth Fund Investor Class

1D
2.28%
1M
0.96%
6M
8.49%
YTD
4.79%
1Y
12.82%
3Y*
19.10%
5Y*
10.11%
10Y*
16.05%
ALL TIME*
11.62%

Benchmark (S&P 500 Index)

1D
1.79%
1M
3.38%
6M
11.83%
YTD
13.02%
1Y
22.22%
3Y*
19.99%
5Y*
11.80%
10Y*
13.49%
ALL TIME*
8.15%
*Multi-year figures are annualized to reflect compound growth (CAGR)

TWCGX Monthly Returns History

Based on dividend-adjusted daily data since Jan 2, 1980, TWCGX's average daily return is +0.05%, while the average monthly return is +1.08%. At this rate, an investment would double in approximately 5.4 years.

Historically, 59% of months were positive and 41% were negative. The best month was Dec 1991 with a return of +18.1%, while the worst month was Oct 1987 at -28.2%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 7 months.

On a daily basis, TWCGX closed higher 53% of trading days. The best single day was Dec 18, 1995 with a return of +24.7%, while the worst single day was Dec 26, 1986 at -26.0%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026-1.70%-3.50%-5.37%11.63%7.67%-2.99%-2.11%2.28%4.79%
20251.85%-3.90%-9.27%1.17%8.58%5.87%3.66%1.56%5.00%3.67%-1.66%-0.95%15.28%
20242.78%7.19%1.55%-4.44%5.30%5.83%-3.11%1.85%2.14%-1.13%5.76%0.50%26.20%
20238.36%-1.22%7.49%1.03%5.04%5.53%3.41%-1.18%-5.24%-0.79%11.12%4.19%43.31%
2022-9.19%-3.96%3.45%-12.48%-3.62%-7.54%11.76%-5.30%-10.04%5.20%5.02%-7.30%-31.39%
2021-0.00%0.84%0.72%7.09%-1.90%7.07%3.01%3.53%-5.91%9.21%0.14%1.98%27.86%

Benchmark Metrics

American Century Growth Fund Investor Class has an annualized alpha of 2.17%, beta of 1.05, and R2 of 0.72 versus S&P 500 Index. Calculated based on daily prices since January 02, 1980.

  • This fund captured 122.50% of S&P 500 Index gains and 112.78% of its losses - amplifying both gains and losses, but participating more in upside than downside.
  • This fund generated an annualized alpha of 2.17% versus S&P 500 Index - delivering returns beyond what market exposure alone would predict.
  • With beta of 1.05 and R2 of 0.72, 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
2.17%
Beta
1.05
0.72
Upside Capture
122.50%
Downside Capture
112.78%

Expense Ratio

TWCGX has a high expense ratio of 0.96%, indicating above-average management fees.


Return for Risk

Risk / Return Rank

TWCGX ranks 21 for risk / return — above 21% of mutual funds peers on PortfoliosLab. Its historical combined result is below the peer median.


TWCGX Risk / Return Rank: 2121
Overall Rank
TWCGX Sharpe Ratio Rank: 2222
Sharpe Ratio Rank
TWCGX Sortino Ratio Rank: 2222
Sortino Ratio Rank
TWCGX Omega Ratio Rank: 2222
Omega Ratio Rank
TWCGX Calmar Ratio Rank: 1818
Calmar Ratio Rank
TWCGX Martin Ratio Rank: 1919
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

Risk / Return Metrics

The table below present risk-adjusted performance metrics for American Century Growth Fund Investor Class (TWCGX) 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.


TWCGXBenchmarkDifference
Sharpe ratioReturn per unit of total volatility

-0.87

Sortino ratioReturn per unit of downside risk

-1.11

Omega ratioGain probability vs. loss probability

1.16

1.31

-0.15

Calmar ratioReturn relative to maximum drawdown

0.91

2.45

-1.54

Martin ratioReturn relative to average drawdown

2.75

10.40

-7.65

Dividends

Dividend History

American Century Growth Fund Investor Class provided a 16.35% dividend yield over the last twelve months, with an annual payout of $9.76 per share. The fund has been increasing its distributions for 3 consecutive years.


4.00%6.00%8.00%10.00%12.00%14.00%16.00%18.00%$0.00$2.00$4.00$6.00$8.00$10.0020152016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM20252024202320222021202020192018201720162015
Dividend$9.76$9.76$3.46$2.34$1.73$5.31$2.48$2.04$4.00$3.37$1.29$1.91

Dividend yield

16.35%17.14%5.96%4.81%4.86%9.83%5.33%5.60%14.07%10.28%4.64%6.80%

Monthly Dividends

The table displays the monthly dividend distributions for American Century Growth Fund Investor Class. The dividends shown in the table have been adjusted to account for any splits that may have occurred.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
2026$0.00$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$9.76$9.76
2024$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$3.46$3.46
2023$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$2.34$2.34
2022$0.00$0.00$1.01$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.72$1.73
2021$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$0.00$5.31$5.31

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 Growth Fund Investor Class. 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 Growth Fund Investor Class was 59.60%, occurring on Oct 9, 2002. Recovery took 2659 trading sessions.

The current American Century Growth Fund Investor Class drawdown is 3.97%.


Drawdown

Fall

Recovery

Underwater

Related event

-59.60%Oct 2002
2y 6mo10y 6mo
13y 1moMar 2000 - May 2013
Dot-com crash2000–2002
-39.77%Dec 1987
1mo 29d1y 7mo
1y 9moOct 1987 - Jul 1989
Black Monday1987
-39.04%Aug 1982
1y 2mo6mo 6d
1y 8moMay 1981 - Feb 1983
-34.92%Oct 2022
9mo 20d1y 3mo
2y 22dDec 2021 - Jan 2024
Bear market2022
-32.99%Dec 1986
6mo 2d7mo 12d
1y 1moJul 1986 - Aug 1987

Drawdown Indicators


TWCGXBenchmarkDifference

Max Drawdown

Largest peak-to-trough decline

-59.60%

-56.78%

-2.82%

Max Drawdown (1Y)

Largest decline over 1 year

-16.69%

-9.10%

-7.59%

Max Drawdown (3Y)

Largest decline over 3 years

-24.20%

-18.90%

-5.30%

Max Drawdown (5Y)

Largest decline over 5 years

-34.92%

-25.43%

-9.49%

Max Drawdown (10Y)

Largest decline over 10 years

-34.92%

-33.92%

-1.00%

Current Drawdown

Current decline from peak

-3.97%

0.00%

-3.97%

Average Drawdown

Average peak-to-trough decline

-15.26%

-10.70%

-4.56%

Ulcer Index

Depth and duration of drawdowns from previous peaks

5.53%

2.14%

+3.39%

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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Portfolio Analyzer

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