TWCGX vs. VIGIX
Compare and contrast key facts about American Century Growth Fund (TWCGX) and Vanguard Growth Index Fund Institutional Shares (VIGIX).
TWCGX is managed by American Century. It was launched on Jun 30, 1971. VIGIX is managed by Vanguard. It was launched on May 14, 1998.
Performance
TWCGX vs. VIGIX - Performance Comparison
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TWCGX vs. VIGIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TWCGX American Century Growth Fund | -10.23% | 15.28% | 26.20% | 43.31% | -31.39% | 27.86% | 35.23% | 35.39% | -1.27% | 30.06% |
VIGIX Vanguard Growth Index Fund Institutional Shares | -10.39% | 19.44% | 32.68% | 46.77% | -33.13% | 27.27% | 40.19% | 37.26% | -3.34% | 27.81% |
Returns By Period
The year-to-date returns for both stocks are quite close, with TWCGX having a -10.23% return and VIGIX slightly lower at -10.39%. Over the past 10 years, TWCGX has underperformed VIGIX with an annualized return of 14.92%, while VIGIX has yielded a comparatively higher 16.03% annualized return.
TWCGX
- 1D
- 3.75%
- 1M
- -5.65%
- YTD
- -10.23%
- 6M
- -9.87%
- 1Y
- 15.47%
- 3Y*
- 17.60%
- 5Y*
- 9.71%
- 10Y*
- 14.92%
VIGIX
- 1D
- 3.99%
- 1M
- -5.47%
- YTD
- -10.39%
- 6M
- -9.19%
- 1Y
- 17.20%
- 3Y*
- 21.14%
- 5Y*
- 11.43%
- 10Y*
- 16.03%
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TWCGX vs. VIGIX - Expense Ratio Comparison
TWCGX has a 0.94% expense ratio, which is higher than VIGIX's 0.04% expense ratio.
Return for Risk
TWCGX vs. VIGIX — Risk / Return Rank
TWCGX
VIGIX
TWCGX vs. VIGIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Century Growth Fund (TWCGX) and Vanguard Growth Index Fund Institutional Shares (VIGIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| TWCGX | VIGIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.73 | 0.80 | -0.07 |
Sortino ratioReturn per unit of downside risk | 1.21 | 1.31 | -0.09 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.18 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 0.99 | 1.11 | -0.13 |
Martin ratioReturn relative to average drawdown | 3.39 | 3.97 | -0.57 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| TWCGX | VIGIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.73 | 0.80 | -0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.45 | 0.51 | -0.06 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.70 | 0.75 | -0.04 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.44 | +0.08 |
Correlation
The correlation between TWCGX and VIGIX is 0.98, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
TWCGX vs. VIGIX - Dividend Comparison
TWCGX's dividend yield for the trailing twelve months is around 19.09%, more than VIGIX's 0.45% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
TWCGX American Century Growth Fund | 19.09% | 17.14% | 5.96% | 4.81% | 4.86% | 9.83% | 5.33% | 5.60% | 14.07% | 10.28% | 4.64% | 6.80% |
VIGIX Vanguard Growth Index Fund Institutional Shares | 0.45% | 0.41% | 0.47% | 0.58% | 0.70% | 0.48% | 0.66% | 0.95% | 1.32% | 1.15% | 1.40% | 1.31% |
Drawdowns
TWCGX vs. VIGIX - Drawdown Comparison
The maximum TWCGX drawdown since its inception was -59.60%, roughly equal to the maximum VIGIX drawdown of -56.95%. Use the drawdown chart below to compare losses from any high point for TWCGX and VIGIX.
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Drawdown Indicators
| TWCGX | VIGIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -59.60% | -56.95% | -2.65% |
Max Drawdown (1Y)Largest decline over 1 year | -16.69% | -16.51% | -0.18% |
Max Drawdown (5Y)Largest decline over 5 years | -34.92% | -35.62% | +0.70% |
Max Drawdown (10Y)Largest decline over 10 years | -34.92% | -35.62% | +0.70% |
Current DrawdownCurrent decline from peak | -13.56% | -13.17% | -0.39% |
Average DrawdownAverage peak-to-trough decline | -15.34% | -16.36% | +1.02% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.86% | 4.64% | +0.22% |
Volatility
TWCGX vs. VIGIX - Volatility Comparison
American Century Growth Fund (TWCGX) and Vanguard Growth Index Fund Institutional Shares (VIGIX) have volatilities of 6.79% and 7.01%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TWCGX | VIGIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.79% | 7.01% | -0.22% |
Volatility (6M)Calculated over the trailing 6-month period | 12.60% | 12.74% | -0.14% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.69% | 22.99% | -0.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.63% | 22.36% | -0.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.27% | 21.53% | -0.26% |