MLAAX vs. TRSSX

Last updated Jun 4, 2026

MLAAX (MainStay Winslow Large Cap Growth Fund) and TRSSX (T. Rowe Price Institutional Small Cap Stock Fund) are both mutual funds - MLAAX is a Large Cap Growth Equities fund managed by New York Life, while TRSSX is a Small Cap Growth Equities fund managed by T. Rowe Price. Over the past 10 years, MLAAX returned 17.07%/yr vs 11.50%/yr for TRSSX. Their correlation of 0.81 suggests significant overlap in exposure. MLAAX charges 0.93%/yr vs 0.66%/yr for TRSSX.

Performance

MLAAX vs. TRSSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MainStay Winslow Large Cap Growth Fund (MLAAX) and T. Rowe Price Institutional Small Cap Stock Fund (TRSSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MLAAX achieves a 6.26% return, which is significantly lower than TRSSX's 10.46% return. Over the past 10 years, MLAAX has outperformed TRSSX with an annualized return of 17.07%, while TRSSX has yielded a comparatively lower 11.50% annualized return.

MLAAX

• 1D: 0.32%
• 1M: 7.11%
• YTD: 6.26%
• 6M: 4.97%
• 1Y: 16.12%
• 3Y*: 22.63%
• 5Y*: 12.84%
• 10Y*: 17.07%

TRSSX

• 1D: 0.07%
• 1M: 0.94%
• YTD: 10.46%
• 6M: 9.53%
• 1Y: 21.88%
• 3Y*: 14.23%
• 5Y*: 4.75%
• 10Y*: 11.50%

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

MLAAX vs. TRSSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MLAAX MainStay Winslow Large Cap Growth Fund	6.26%	14.20%	28.95%	43.10%	-31.51%	25.00%	36.95%	33.18%	3.81%	32.19%
TRSSX T. Rowe Price Institutional Small Cap Stock Fund	10.46%	8.21%	10.93%	17.65%	-23.36%	16.81%	25.07%	33.96%	-3.07%	15.41%

Correlation

The correlation between MLAAX and TRSSX is 0.58, 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	0.58
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.71
Correlation (All Time) Calculated using the full available price history since Apr 3, 2000	0.81

Over the past year, the correlation between MLAAX and TRSSX has dropped to 0.58 - well below their long-term average of 0.81, suggesting their price drivers have been diverging.

Return for Risk

MLAAX vs. TRSSX — Risk / Return Rank

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

MLAAX

MLAAX Risk / Return Rank: 11
MLAAX Sharpe Ratio Rank: 14
MLAAX Sortino Ratio Rank: 13
MLAAX Omega Ratio Rank: 13
MLAAX Calmar Ratio Rank: 8
MLAAX Martin Ratio Rank: 8

TRSSX

TRSSX Risk / Return Rank: 28
TRSSX Sharpe Ratio Rank: 22
TRSSX Sortino Ratio Rank: 24
TRSSX Omega Ratio Rank: 21
TRSSX Calmar Ratio Rank: 35
TRSSX Martin Ratio Rank: 39

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.

MLAAX vs. TRSSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MainStay Winslow Large Cap Growth Fund (MLAAX) and T. Rowe Price Institutional Small Cap Stock Fund (TRSSX). 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.

	MLAAX	TRSSX	Difference
Sharpe ratio: Return per unit of total volatility	1.03	1.35	-0.32
Sortino ratio: Return per unit of downside risk	1.48	2.04	-0.56
Omega ratio: Gain probability vs. loss probability	1.18	1.24	-0.06
Calmar ratio: Return relative to maximum drawdown	0.83	2.24	-1.41
Martin ratio: Return relative to average drawdown	2.42	8.52	-6.11
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MLAAX vs. TRSSX - Sharpe Ratio Comparison

The current MLAAX Sharpe Ratio is 1.03, which is comparable to the TRSSX Sharpe Ratio of 1.35. The chart below compares the historical Sharpe Ratios of MLAAX and TRSSX, 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

	MLAAX	TRSSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.03	1.35	-0.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.22	+0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.67	0.54	+0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.46	-0.23

Drawdowns

MLAAX vs. TRSSX - Drawdown Comparison

The maximum MLAAX drawdown since its inception was -83.01%, which is greater than TRSSX's maximum drawdown of -56.38%. Use the drawdown chart below to compare losses from any high point for MLAAX and TRSSX.

Drawdown Indicators

	MLAAX	TRSSX	Difference
Max Drawdown Largest peak-to-trough decline	-83.01%	-56.38%	-26.63%
Max Drawdown (1Y) Largest decline over 1 year	-20.28%	-10.73%	-9.55%
Max Drawdown (3Y) Largest decline over 3 years	-35.43%	-30.88%	-4.55%
Max Drawdown (5Y) Largest decline over 5 years	-39.36%	-32.12%	-7.24%
Max Drawdown (10Y) Largest decline over 10 years	-39.36%	-37.85%	-1.51%
Current Drawdown Current decline from peak	-4.07%	-2.07%	-2.00%
Average Drawdown Average peak-to-trough decline	-38.81%	-9.00%	-29.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.94%	2.78%	+4.16%

Volatility

MLAAX vs. TRSSX - Volatility Comparison

The current volatility for MainStay Winslow Large Cap Growth Fund (MLAAX) is 3.68%, while T. Rowe Price Institutional Small Cap Stock Fund (TRSSX) has a volatility of 5.04%. This indicates that MLAAX experiences smaller price fluctuations and is considered to be less risky than TRSSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MLAAX	TRSSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.68%	5.04%	-1.36%
Volatility (6M) Calculated over the trailing 6-month period	12.30%	14.27%	-1.97%
Volatility (1Y) Calculated over the trailing 1-year period	16.41%	17.87%	-1.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.56%	22.21%	+3.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.71%	21.55%	+4.16%

MLAAX vs. TRSSX - Expense Ratio Comparison

MLAAX has a 0.93% expense ratio, which is higher than TRSSX's 0.66% expense ratio.

Dividends

MLAAX vs. TRSSX - Dividend Comparison

MLAAX's dividend yield for the trailing twelve months is around 22.94%, more than TRSSX's 9.57% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLAAX MainStay Winslow Large Cap Growth Fund	22.94%	24.37%	22.54%	10.59%	14.95%	26.64%	5.40%	11.55%	23.59%	17.20%	13.18%	13.61%
TRSSX T. Rowe Price Institutional Small Cap Stock Fund	9.57%	10.57%	19.63%	5.45%	5.37%	8.52%	4.54%	6.13%	13.45%	6.53%	0.80%	7.07%

Frequently Asked Questions

Can I hold both MLAAX and TRSSX in my portfolio?

MLAAX and TRSSX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MLAAX or TRSSX?

TRSSX has higher volatility (5.04%) compared to MLAAX (3.68%). In terms of maximum drawdown, MLAAX dropped -83.01% vs TRSSX's -56.38%.

Which has better risk-adjusted returns?

TRSSX currently has the higher Sharpe Ratio (1.35 vs 1.03), 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.