MLAAX vs. TSLX

Last updated Apr 2, 2026

Compare and contrast key facts about MainStay Winslow Large Cap Growth Fund (MLAAX) and Sixth Street Specialty Lending, Inc. (TSLX).

MLAAX is managed by New York Life. It was launched on Jul 3, 1995.

Performance

MLAAX vs. TSLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MainStay Winslow Large Cap Growth Fund (MLAAX) and Sixth Street Specialty Lending, Inc. (TSLX). The values are adjusted to include any dividend payments, if applicable.

MLAAX vs. TSLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MLAAX MainStay Winslow Large Cap Growth Fund	-12.29%	14.20%	28.95%	43.10%	-31.51%	25.00%	36.95%	33.18%	3.81%	32.19%
TSLX Sixth Street Specialty Lending, Inc.	-14.36%	11.52%	8.83%	35.29%	-16.37%	32.33%	9.77%	29.62%	0.36%	15.47%

Returns By Period

In the year-to-date period, MLAAX achieves a -12.29% return, which is significantly higher than TSLX's -14.36% return. Over the past 10 years, MLAAX has outperformed TSLX with an annualized return of 15.03%, while TSLX has yielded a comparatively lower 12.16% annualized return.

MLAAX

• 1D: 3.63%
• 1M: -6.43%
• YTD: -12.29%
• 6M: -12.72%
• 1Y: 8.34%
• 3Y*: 18.48%
• 5Y*: 8.98%
• 10Y*: 15.03%

TSLX

• 1D: -1.47%
• 1M: 5.39%
• YTD: -14.36%
• 6M: -14.16%
• 1Y: -11.47%
• 3Y*: 9.84%
• 5Y*: 6.95%
• 10Y*: 12.16%

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

Return for Risk

MLAAX vs. TSLX — Risk / Return Rank

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

MLAAX

MLAAX Risk / Return Rank: 13
MLAAX Sharpe Ratio Rank: 14
MLAAX Sortino Ratio Rank: 15
MLAAX Omega Ratio Rank: 15
MLAAX Calmar Ratio Rank: 11
MLAAX Martin Ratio Rank: 11

TSLX

TSLX Risk / Return Rank: 22
TSLX Sharpe Ratio Rank: 19
TSLX Sortino Ratio Rank: 18
TSLX Omega Ratio Rank: 19
TSLX Calmar Ratio Rank: 28
TSLX Martin Ratio Rank: 23

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. TSLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MainStay Winslow Large Cap Growth Fund (MLAAX) and Sixth Street Specialty Lending, Inc. (TSLX). 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	TSLX	Difference
Sharpe ratio Return per unit of total volatility	0.40	-0.48	+0.88
Sortino ratio Return per unit of downside risk	0.75	-0.52	+1.26
Omega ratio Gain probability vs. loss probability	1.10	0.94	+0.17
Calmar ratio Return relative to maximum drawdown	0.30	-0.40	+0.71
Martin ratio Return relative to average drawdown	0.97	-0.98	+1.95
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. TSLX - Sharpe Ratio Comparison

The current MLAAX Sharpe Ratio is 0.40, which is higher than the TSLX Sharpe Ratio of -0.48. The chart below compares the historical Sharpe Ratios of MLAAX and TSLX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MLAAX	TSLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.40	-0.48	+0.88
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	0.38	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.58	+0.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	0.55	-0.34

Correlation

The correlation between MLAAX and TSLX is 0.33, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

MLAAX vs. TSLX - Dividend Comparison

MLAAX's dividend yield for the trailing twelve months is around 27.79%, more than TSLX's 10.99% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MLAAX MainStay Winslow Large Cap Growth Fund	27.79%	24.37%	22.54%	10.59%	14.95%	26.64%	5.40%	11.55%	23.59%	17.20%	13.18%	13.61%
TSLX Sixth Street Specialty Lending, Inc.	10.99%	9.44%	9.81%	9.72%	10.34%	15.35%	11.08%	8.43%	9.84%	8.84%	8.35%	9.62%

Drawdowns

MLAAX vs. TSLX - Drawdown Comparison

The maximum MLAAX drawdown since its inception was -83.01%, which is greater than TSLX's maximum drawdown of -50.27%. Use the drawdown chart below to compare losses from any high point for MLAAX and TSLX.

Drawdown Indicators

	MLAAX	TSLX	Difference
Max Drawdown Largest peak-to-trough decline	-83.01%	-50.27%	-32.74%
Max Drawdown (1Y) Largest decline over 1 year	-20.28%	-27.94%	+7.66%
Max Drawdown (5Y) Largest decline over 5 years	-39.36%	-28.77%	-10.59%
Max Drawdown (10Y) Largest decline over 10 years	-39.36%	-50.27%	+10.91%
Current Drawdown Current decline from peak	-20.81%	-22.65%	+1.84%
Average Drawdown Average peak-to-trough decline	-38.96%	-8.88%	-30.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.37%	11.46%	-5.09%

Volatility

MLAAX vs. TSLX - Volatility Comparison

The current volatility for MainStay Winslow Large Cap Growth Fund (MLAAX) is 7.04%, while Sixth Street Specialty Lending, Inc. (TSLX) has a volatility of 8.40%. This indicates that MLAAX experiences smaller price fluctuations and is considered to be less risky than TSLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MLAAX	TSLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.04%	8.40%	-1.36%
Volatility (6M) Calculated over the trailing 6-month period	13.04%	18.10%	-5.06%
Volatility (1Y) Calculated over the trailing 1-year period	22.97%	24.09%	-1.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.59%	18.58%	+7.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.66%	21.07%	+4.59%