TSCIX vs. TMDIX

Last updated Jul 22, 2026

TSCIX (AMG TimesSquare Small Cap Growth Fund) and TMDIX (AMG TimesSquare Mid Cap Growth Fund) are both mutual funds - TSCIX is a Small Cap Growth Equities fund managed by AMG, while TMDIX is a Mid Cap Growth Equities fund managed by AMG. Over the past 10 years, TSCIX returned 9.90%/yr vs 12.69%/yr for TMDIX. Their correlation of 0.91 suggests significant overlap in exposure. TSCIX charges 0.99%/yr vs 0.98%/yr for TMDIX.

Performance

TSCIX vs. TMDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AMG TimesSquare Small Cap Growth Fund (TSCIX) 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, TSCIX achieves a 9.09% return, which is significantly higher than TMDIX's 5.01% return. Over the past 10 years, TSCIX has underperformed TMDIX with an annualized return of 9.90%, while TMDIX has yielded a comparatively higher 12.69% annualized return.

TSCIX

• 1D: -1.03%
• 1M: -2.37%
• 6M: 3.52%
• YTD: 9.09%
• 1Y: 9.09%
• 3Y*: 6.84%
• 5Y*: 1.05%
• 10Y*: 9.90%
• ALL TIME*: 8.70%

TMDIX

• 1D: 0.11%
• 1M: -1.01%
• 6M: 3.71%
• YTD: 5.01%
• 1Y: -5.06%
• 3Y*: 6.83%
• 5Y*: 3.23%
• 10Y*: 12.69%
• ALL TIME*: 10.95%

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

TSCIX vs. TMDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TSCIX AMG TimesSquare Small Cap Growth Fund	9.09%	0.84%	8.50%	16.73%	-26.42%	7.34%	35.36%	44.90%	-4.05%	21.17%
TMDIX AMG TimesSquare Mid Cap Growth Fund	5.01%	-1.76%	10.84%	25.07%	-22.26%	16.75%	33.42%	63.26%	-4.28%	22.66%

Correlation

The correlation between TSCIX and TMDIX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.91
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since Mar 4, 2005	0.91

The correlation between TSCIX and TMDIX has been stable across timeframes, ranging from 0.90 to 0.91 - a consistent structural relationship.

Return for Risk

TSCIX vs. TMDIX — Risk / Return Rank

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

TSCIX

TSCIX Risk / Return Rank: 8
TSCIX Sharpe Ratio Rank: 8
TSCIX Sortino Ratio Rank: 8
TSCIX Omega Ratio Rank: 8
TSCIX Calmar Ratio Rank: 8
TSCIX Martin Ratio Rank: 9

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.

TSCIX vs. TMDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AMG TimesSquare Small Cap Growth Fund (TSCIX) 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.

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.

	TSCIX	TMDIX	Difference
Sharpe ratio: Return per unit of total volatility	0.40	-0.28	+0.68
Sortino ratio: Return per unit of downside risk	0.68	-0.24	+0.92
Omega ratio: Gain probability vs. loss probability	1.08	0.97	+0.12
Calmar ratio: Return relative to maximum drawdown	0.45	-0.23	+0.67
Martin ratio: Return relative to average drawdown	1.45	-0.45	+1.90

TSCIX vs. TMDIX - Sharpe Ratio Comparison

The current TSCIX Sharpe Ratio is 0.40, which is higher than the TMDIX Sharpe Ratio of -0.28. The chart below compares the historical Sharpe Ratios of TSCIX 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.

Drawdowns

TSCIX vs. TMDIX - Drawdown Comparison

The maximum TSCIX drawdown since its inception was -49.74%, roughly equal to the maximum TMDIX drawdown of -48.73%. Use the drawdown chart below to compare losses from any high point for TSCIX and TMDIX.

Drawdown Indicators

	TSCIX	TMDIX	Difference
Max Drawdown Largest peak-to-trough decline	-49.74%	-48.73%	-1.01%
Max Drawdown (1Y) Largest decline over 1 year	-18.91%	-25.45%	+6.54%
Max Drawdown (3Y) Largest decline over 3 years	-29.48%	-25.45%	-4.03%
Max Drawdown (5Y) Largest decline over 5 years	-40.51%	-30.53%	-9.98%
Max Drawdown (10Y) Largest decline over 10 years	-40.51%	-35.44%	-5.07%
Current Drawdown Current decline from peak	-5.26%	-12.08%	+6.82%
Average Drawdown Average peak-to-trough decline	-11.60%	-7.18%	-4.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.79%	12.76%	-6.97%

Volatility

TSCIX vs. TMDIX - Volatility Comparison

AMG TimesSquare Small Cap Growth Fund (TSCIX) has a higher volatility of 5.42% compared to AMG TimesSquare Mid Cap Growth Fund (TMDIX) at 4.84%. This indicates that TSCIX'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

	TSCIX	TMDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.42%	4.84%	+0.58%
Volatility (6M) Calculated over the trailing 6-month period	15.89%	13.83%	+2.06%
Volatility (1Y) Calculated over the trailing 1-year period	21.29%	20.42%	+0.87%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.76%	20.54%	+3.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.63%	21.09%	+2.54%

TSCIX vs. TMDIX - Expense Ratio Comparison

TSCIX has a 0.99% expense ratio, which is higher than TMDIX's 0.98% expense ratio.

Dividends

TSCIX vs. TMDIX - Dividend Comparison

Neither TSCIX nor TMDIX has paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
TSCIX AMG TimesSquare Small Cap Growth Fund	0.00%	0.00%	0.69%	0.00%	6.63%	22.45%	13.38%	22.41%	30.72%	10.75%	3.70%	11.91%

Frequently Asked Questions

Can I hold both TSCIX and TMDIX in my portfolio?

TSCIX and TMDIX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TSCIX or TMDIX?

TSCIX has higher volatility (5.42%) compared to TMDIX (4.84%). In terms of maximum drawdown, TSCIX dropped -49.74% vs TMDIX's -48.73%.

Which has better risk-adjusted returns?

TSCIX currently has the higher Sharpe Ratio (0.40 vs -0.28), 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.