QCGRIX vs. ACIHX

Last updated Jun 5, 2026

QCGRIX (CREF Growth Account Class R3) and ACIHX (American Century Growth Fund G Class) are both Large Cap Growth Equities funds. Both are actively managed. Over the past year, QCGRIX returned 24.85% vs 25.16% for ACIHX. Their correlation of 0.95 suggests significant overlap in exposure. QCGRIX charges 0.21%/yr vs 0.01%/yr for ACIHX.

Performance

QCGRIX vs. ACIHX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in CREF Growth Account Class R3 (QCGRIX) and American Century Growth Fund G Class (ACIHX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QCGRIX achieves a 8.53% return, which is significantly higher than ACIHX's 7.24% return.

QCGRIX

• 1D: -1.20%
• 1M: 3.96%
• YTD: 8.53%
• 6M: 7.68%
• 1Y: 24.85%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ACIHX

• 1D: -1.57%
• 1M: 5.48%
• YTD: 7.24%
• 6M: 6.26%
• 1Y: 25.16%
• 3Y*: 22.42%
• 5Y*: —
• 10Y*: —

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

QCGRIX vs. ACIHX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
QCGRIX CREF Growth Account Class R3	8.53%	14.41%	0.00%
ACIHX American Century Growth Fund G Class	7.24%	16.26%	-2.08%

Correlation

The correlation between QCGRIX and ACIHX is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (All Time) Calculated using the full available price history since Dec 30, 2024	0.95

The correlation between QCGRIX and ACIHX has been stable across timeframes, ranging from 0.95 to 0.98 - a consistent structural relationship.

Return for Risk

QCGRIX vs. ACIHX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

QCGRIX

QCGRIX Risk / Return Rank: 25
QCGRIX Sharpe Ratio Rank: 30
QCGRIX Sortino Ratio Rank: 27
QCGRIX Omega Ratio Rank: 28
QCGRIX Calmar Ratio Rank: 19
QCGRIX Martin Ratio Rank: 20

ACIHX

ACIHX Risk / Return Rank: 26
ACIHX Sharpe Ratio Rank: 32
ACIHX Sortino Ratio Rank: 29
ACIHX Omega Ratio Rank: 30
ACIHX Calmar Ratio Rank: 19
ACIHX Martin Ratio Rank: 20

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

QCGRIX vs. ACIHX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CREF Growth Account Class R3 (QCGRIX) and American Century Growth Fund G Class (ACIHX). 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.

	QCGRIX	ACIHX	Difference
Sharpe ratio: Return per unit of total volatility	1.54	1.64	-0.09
Sortino ratio: Return per unit of downside risk	2.12	2.25	-0.13
Omega ratio: Gain probability vs. loss probability	1.27	1.29	-0.02
Calmar ratio: Return relative to maximum drawdown	1.54	1.58	-0.03
Martin ratio: Return relative to average drawdown	5.10	5.29	-0.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

QCGRIX vs. ACIHX - Sharpe Ratio Comparison

The current QCGRIX Sharpe Ratio is 1.54, which is comparable to the ACIHX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of QCGRIX and ACIHX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	QCGRIX	ACIHX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.54	1.64	-0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	1.00	-0.19

Drawdowns

QCGRIX vs. ACIHX - Drawdown Comparison

The maximum QCGRIX drawdown since its inception was -23.93%, roughly equal to the maximum ACIHX drawdown of -24.00%. Use the drawdown chart below to compare losses from any high point for QCGRIX and ACIHX.

Drawdown Indicators

	QCGRIX	ACIHX	Difference
Max Drawdown Largest peak-to-trough decline	-23.93%	-24.00%	+0.07%
Max Drawdown (1Y) Largest decline over 1 year	-16.69%	-16.40%	-0.29%
Max Drawdown (3Y) Largest decline over 3 years	—	-24.00%	—
Current Drawdown Current decline from peak	-1.35%	-2.07%	+0.72%
Average Drawdown Average peak-to-trough decline	-4.97%	-4.89%	-0.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.02%	4.87%	+0.15%

Volatility

QCGRIX vs. ACIHX - Volatility Comparison

CREF Growth Account Class R3 (QCGRIX) and American Century Growth Fund G Class (ACIHX) have volatilities of 3.83% and 3.93%, 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.

Volatility by Period

	QCGRIX	ACIHX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.83%	3.93%	-0.10%
Volatility (6M) Calculated over the trailing 6-month period	12.45%	12.02%	+0.43%
Volatility (1Y) Calculated over the trailing 1-year period	16.66%	15.80%	+0.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.83%	21.06%	-0.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.83%	21.06%	-0.23%

QCGRIX vs. ACIHX - Expense Ratio Comparison

QCGRIX has a 0.21% expense ratio, which is higher than ACIHX's 0.01% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

QCGRIX vs. ACIHX - Dividend Comparison

QCGRIX has not paid dividends to shareholders, while ACIHX's dividend yield for the trailing twelve months is around 14.87%.

Position	TTM	2025	2024	2023	2022
ACIHX American Century Growth Fund G Class	14.87%	15.95%	5.65%	4.61%	2.86%
QCGRIX CREF Growth Account Class R3	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both QCGRIX and ACIHX in my portfolio?

With a correlation of 0.98, QCGRIX and ACIHX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, QCGRIX or ACIHX?

ACIHX has higher volatility (3.93%) compared to QCGRIX (3.83%). In terms of maximum drawdown, QCGRIX dropped -23.93% vs ACIHX's -24.00%.

Which has better risk-adjusted returns?

ACIHX currently has the higher Sharpe Ratio (1.64 vs 1.54), 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.