CGGR vs. TMDIX

Last updated Jun 10, 2026

CGGR (Capital Group Growth ETF) and TMDIX (AMG TimesSquare Mid Cap Growth Fund) are both funds - CGGR is a Large Cap Growth Equities fund actively managed by Capital Group, while TMDIX is a Mid Cap Growth Equities fund managed by AMG. Over the past 3 years, CGGR returned 23.98%/yr vs 7.87%/yr for TMDIX. Their correlation of 0.87 suggests significant overlap in exposure. CGGR charges 0.39%/yr vs 0.98%/yr for TMDIX.

Performance

CGGR vs. TMDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Capital Group Growth ETF (CGGR) and AMG TimesSquare Mid Cap Growth Fund (TMDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CGGR achieves a 2.70% return, which is significantly higher than TMDIX's 1.85% return.

CGGR

• 1D: -0.22%
• 1M: -1.25%
• YTD: 2.70%
• 6M: 2.82%
• 1Y: 17.24%
• 3Y*: 23.98%
• 5Y*: —
• 10Y*: —

TMDIX

• 1D: -3.12%
• 1M: 2.09%
• YTD: 1.85%
• 6M: -10.01%
• 1Y: -6.92%
• 3Y*: 7.87%
• 5Y*: 3.86%
• 10Y*: 12.65%

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

CGGR vs. TMDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
CGGR Capital Group Growth ETF	2.70%	19.75%	32.12%	42.18%	-14.68%
TMDIX AMG TimesSquare Mid Cap Growth Fund	1.85%	-1.76%	10.84%	25.07%	-6.62%

Correlation

The correlation between CGGR and TMDIX is 0.79, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.79
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (All Time) Calculated using the full available price history since Feb 24, 2022	0.87

The correlation between CGGR and TMDIX has been stable across timeframes, ranging from 0.79 to 0.87 - a consistent structural relationship.

Return for Risk

CGGR vs. TMDIX — Risk / Return Rank

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

CGGR

CGGR Risk / Return Rank: 30
CGGR Sharpe Ratio Rank: 32
CGGR Sortino Ratio Rank: 30
CGGR Omega Ratio Rank: 32
CGGR Calmar Ratio Rank: 26
CGGR Martin Ratio Rank: 32

TMDIX

TMDIX Risk / Return Rank: 2
TMDIX Sharpe Ratio Rank: 2
TMDIX Sortino Ratio Rank: 2
TMDIX Omega Ratio Rank: 2
TMDIX Calmar Ratio Rank: 2
TMDIX Martin Ratio Rank: 2

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.

CGGR vs. TMDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Capital Group Growth ETF (CGGR) and AMG TimesSquare Mid Cap Growth Fund (TMDIX). 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.

	CGGR	TMDIX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	-0.32	+1.36
Sortino ratio: Return per unit of downside risk	1.46	-0.29	+1.75
Omega ratio: Gain probability vs. loss probability	1.19	0.96	+0.23
Calmar ratio: Return relative to maximum drawdown	1.14	-0.25	+1.40
Martin ratio: Return relative to average drawdown	4.19	-0.53	+4.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CGGR vs. TMDIX - Sharpe Ratio Comparison

The current CGGR Sharpe Ratio is 1.03, which is higher than the TMDIX Sharpe Ratio of -0.32. The chart below compares the historical Sharpe Ratios of CGGR and TMDIX, 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

	CGGR	TMDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.03	-0.32	+1.36
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.19	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.60	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.53	+0.26

Drawdowns

CGGR vs. TMDIX - Drawdown Comparison

The maximum CGGR drawdown since its inception was -28.90%, smaller than the maximum TMDIX drawdown of -48.73%. Use the drawdown chart below to compare losses from any high point for CGGR and TMDIX.

Drawdown Indicators

	CGGR	TMDIX	Difference
Max Drawdown Largest peak-to-trough decline	-28.90%	-48.73%	+19.83%
Max Drawdown (1Y) Largest decline over 1 year	-15.13%	-25.45%	+10.32%
Max Drawdown (3Y) Largest decline over 3 years	-23.37%	-25.45%	+2.08%
Max Drawdown (5Y) Largest decline over 5 years	—	-30.53%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.44%	—
Current Drawdown Current decline from peak	-4.40%	-14.72%	+10.32%
Average Drawdown Average peak-to-trough decline	-7.70%	-7.16%	-0.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.13%	12.17%	-8.04%

Volatility

CGGR vs. TMDIX - Volatility Comparison

Capital Group Growth ETF (CGGR) has a higher volatility of 5.81% compared to AMG TimesSquare Mid Cap Growth Fund (TMDIX) at 5.23%. This indicates that CGGR's price experiences larger fluctuations and is considered to be riskier than TMDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CGGR	TMDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.81%	5.23%	+0.58%
Volatility (6M) Calculated over the trailing 6-month period	13.13%	17.40%	-4.27%
Volatility (1Y) Calculated over the trailing 1-year period	16.75%	19.79%	-3.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.95%	20.42%	+1.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.95%	21.10%	+0.85%

CGGR vs. TMDIX - Expense Ratio Comparison

CGGR has a 0.39% expense ratio, which is lower than TMDIX's 0.98% expense ratio.

Dividends

CGGR vs. TMDIX - Dividend Comparison

CGGR's dividend yield for the trailing twelve months is around 0.09%, while TMDIX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CGGR Capital Group Growth ETF	0.09%	0.10%	0.33%	0.40%	0.33%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TMDIX AMG TimesSquare Mid Cap Growth Fund	0.00%	0.00%	8.08%	3.98%	3.69%	29.72%	18.28%	31.06%	16.38%	14.44%	5.90%	7.73%

Frequently Asked Questions

Can I hold both CGGR and TMDIX in my portfolio?

CGGR and TMDIX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CGGR or TMDIX?

CGGR has higher volatility (5.81%) compared to TMDIX (5.23%). In terms of maximum drawdown, CGGR dropped -28.90% vs TMDIX's -48.73%.

Which has better risk-adjusted returns?

CGGR currently has the higher Sharpe Ratio (1.03 vs -0.32), 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.