AGCVX vs. TWHIX

Last updated Aug 4, 2026

AGCVX (American Century Global Small Cap Fund) and TWHIX (American Century Heritage Fund) are both mutual funds - AGCVX is a Global Equities fund managed by American Century, while TWHIX is a Mid Cap Growth Equities fund managed by American Century. Over the past 5 years, AGCVX returned 0.90%/yr vs 3.26%/yr for TWHIX. Their correlation of 0.87 means they have usually moved in the same direction. AGCVX charges 1.11%/yr vs 1.00%/yr for TWHIX.

Performance

AGCVX vs. TWHIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Century Global Small Cap Fund (AGCVX) and American Century Heritage Fund (TWHIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AGCVX achieves a 3.86% return, which is significantly higher than TWHIX's 2.89% return.

AGCVX

• 1D: -0.23%
• 1M: -5.13%
• 6M: -1.53%
• YTD: 3.86%
• 1Y: 7.86%
• 3Y*: 8.70%
• 5Y*: 0.90%
• 10Y*: —
• ALL TIME*: 11.52%

TWHIX

• 1D: -0.23%
• 1M: -4.21%
• 6M: 2.25%
• YTD: 2.89%
• 1Y: 0.13%
• 3Y*: 11.82%
• 5Y*: 3.26%
• 10Y*: 11.38%
• ALL TIME*: 10.97%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AGCVX American Century Global Small Cap Fund	$0.00	$0.00	$0.00
TWHIX American Century Heritage Fund	$0.00	$0.00	$0.00

AGCVX vs. TWHIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AGCVX American Century Global Small Cap Fund	3.86%	10.96%	12.52%	10.17%	-29.46%	18.44%	46.34%	35.08%	-12.80%	37.97%
TWHIX American Century Heritage Fund	2.89%	6.53%	24.66%	20.64%	-28.13%	11.52%	42.61%	35.50%	-5.08%	21.83%

Correlation

The correlation between AGCVX and TWHIX is 0.84, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.84
Correlation (3Y) Balances recent behavior with more history.	0.87
Correlation (5Y) Shows whether the relationship held over a longer period.	0.88
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017	0.87

The correlation between AGCVX and TWHIX has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

Return for Risk

AGCVX vs. TWHIX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

AGCVX

AGCVX Risk / Return Rank: 10
AGCVX Sharpe Ratio Rank: 8
AGCVX Sortino Ratio Rank: 9
AGCVX Omega Ratio Rank: 9
AGCVX Calmar Ratio Rank: 10
AGCVX Martin Ratio Rank: 12

TWHIX

TWHIX Risk / Return Rank: 3
TWHIX Sharpe Ratio Rank: 3
TWHIX Sortino Ratio Rank: 4
TWHIX Omega Ratio Rank: 3
TWHIX Calmar Ratio Rank: 3
TWHIX Martin Ratio Rank: 3

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.

AGCVX vs. TWHIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Century Global Small Cap Fund (AGCVX) and American Century Heritage Fund (TWHIX). 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.

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.

	AGCVX	TWHIX	Difference
Sharpe ratio: Return per unit of total volatility	0.36	-0.08	+0.44
Sortino ratio: Return per unit of downside risk	0.64	0.02	+0.63
Omega ratio: Gain probability vs. loss probability	1.08	1.00	+0.08
Calmar ratio: Return relative to maximum drawdown	0.54	-0.10	+0.63
Martin ratio: Return relative to average drawdown	1.67	-0.27	+1.94

AGCVX vs. TWHIX - Sharpe Ratio Comparison

The current AGCVX Sharpe Ratio is 0.36, which is higher than the TWHIX Sharpe Ratio of -0.08. The chart below compares the historical Sharpe Ratios of AGCVX and TWHIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

AGCVX vs. TWHIX - Drawdown Comparison

The maximum AGCVX drawdown since its inception was -40.08%, smaller than the maximum TWHIX drawdown of -56.98%. Use the drawdown chart below to compare losses from any high point for AGCVX and TWHIX.

Drawdown Indicators

	AGCVX	TWHIX	Difference
Max Drawdown Largest peak-to-trough decline	-40.08%	-56.98%	+16.90%
Max Drawdown (1Y) Largest decline over 1 year	-13.82%	-15.82%	+2.00%
Max Drawdown (3Y) Largest decline over 3 years	-23.23%	-26.30%	+3.07%
Max Drawdown (5Y) Largest decline over 5 years	-38.95%	-40.34%	+1.39%
Max Drawdown (10Y) Largest decline over 10 years	—	-40.34%	—
Current Drawdown Current decline from peak	-9.57%	-5.40%	-4.17%
Average Drawdown Average peak-to-trough decline	-12.64%	-12.21%	-0.43%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.46%	5.56%	-1.10%

Volatility

AGCVX vs. TWHIX - Volatility Comparison

American Century Global Small Cap Fund (AGCVX) has a higher volatility of 6.64% compared to American Century Heritage Fund (TWHIX) at 4.81%. This indicates that AGCVX's price experiences larger fluctuations and is considered to be riskier than TWHIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AGCVX	TWHIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.64%	4.81%	+1.83%
Volatility (6M) Calculated over the trailing 6-month period	17.45%	14.77%	+2.68%
Volatility (1Y) Calculated over the trailing 1-year period	20.59%	18.52%	+2.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.80%	23.40%	-2.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.08%	22.85%	-1.77%

AGCVX vs. TWHIX - Expense Ratio Comparison

AGCVX has a 1.11% expense ratio, which is higher than TWHIX's 1.00% expense ratio.

Dividends

AGCVX vs. TWHIX - Dividend Comparison

AGCVX's dividend yield for the trailing twelve months is around 0.69%, less than TWHIX's 21.52% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
AGCVX American Century Global Small Cap Fund	0.69%	0.71%	2.19%	0.22%	0.00%	17.80%	4.84%	4.97%	2.27%	5.04%	0.00%
TWHIX American Century Heritage Fund	21.52%	22.14%	15.58%	0.78%	0.98%	12.00%	13.72%	11.32%	25.33%	9.38%	8.71%

Frequently Asked Questions

Can I hold both AGCVX and TWHIX in my portfolio?

AGCVX and TWHIX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AGCVX or TWHIX?

AGCVX has higher volatility (6.64%) compared to TWHIX (4.81%). In terms of maximum drawdown, AGCVX dropped -40.08% vs TWHIX's -56.98%.

Which has better risk-adjusted returns?

AGCVX currently has the higher Sharpe Ratio (0.36 vs -0.08), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.