MSIF vs. TSLX

Last updated Apr 1, 2026

Compare and contrast key facts about MSC Income Fund, Inc. (MSIF) and Sixth Street Specialty Lending, Inc. (TSLX).

Performance

MSIF vs. TSLX - Performance Comparison

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

MSIF vs. TSLX - Yearly Performance Comparison

	2026 (YTD)	2025
MSIF MSC Income Fund, Inc.	-4.49%	-8.32%
TSLX Sixth Street Specialty Lending, Inc.	-13.09%	8.27%

Fundamentals

Market Cap MSIF : $566.33M TSLX : $1.73B
EPS MSIF : $1.90 TSLX : -$0.00
PS Ratio MSIF : 5.54 TSLX : 0.00
PB Ratio MSIF : 0.77 TSLX : 0.00
Total Revenue (TTM) MSIF : $103.28M TSLX : $438.70B
Gross Profit (TTM) MSIF : $68.07M TSLX : $0.00
EBITDA (TTM) MSIF : $84.02M TSLX : $37.52M

Returns By Period

In the year-to-date period, MSIF achieves a -4.49% return, which is significantly higher than TSLX's -13.09% return.

MSIF

• 1D: 2.78%
• 1M: 1.70%
• YTD: -4.49%
• 6M: -1.76%
• 1Y: -17.71%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TSLX

• 1D: 2.62%
• 1M: 8.93%
• YTD: -13.09%
• 6M: -15.59%
• 1Y: -9.95%
• 3Y*: 10.38%
• 5Y*: 7.27%
• 10Y*: 12.33%

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

Return for Risk

MSIF vs. TSLX — Risk / Return Rank

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

MSIF

MSIF Risk / Return Rank: 20
MSIF Sharpe Ratio Rank: 16
MSIF Sortino Ratio Rank: 16
MSIF Omega Ratio Rank: 18
MSIF Calmar Ratio Rank: 24
MSIF Martin Ratio Rank: 26

TSLX

TSLX Risk / Return Rank: 25
TSLX Sharpe Ratio Rank: 23
TSLX Sortino Ratio Rank: 21
TSLX Omega Ratio Rank: 22
TSLX Calmar Ratio Rank: 31
TSLX Martin Ratio Rank: 28

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.

MSIF vs. TSLX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MSC Income Fund, Inc. (MSIF) 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.

	MSIF	TSLX	Difference
Sharpe ratio Return per unit of total volatility	-0.58	-0.42	-0.16
Sortino ratio Return per unit of downside risk	-0.69	-0.42	-0.27
Omega ratio Gain probability vs. loss probability	0.92	0.95	-0.03
Calmar ratio Return relative to maximum drawdown	-0.55	-0.35	-0.20
Martin ratio Return relative to average drawdown	-0.92	-0.86	-0.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MSIF vs. TSLX - Sharpe Ratio Comparison

The current MSIF Sharpe Ratio is -0.58, which is lower than the TSLX Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of MSIF 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

	MSIF	TSLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.58	-0.42	-0.16
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.39	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.36	0.55	-0.91

Correlation

The correlation between MSIF and TSLX is 0.47, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

MSIF vs. TSLX - Dividend Comparison

MSIF's dividend yield for the trailing twelve months is around 11.82%, more than TSLX's 10.83% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSIF MSC Income Fund, Inc.	11.82%	10.96%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TSLX Sixth Street Specialty Lending, Inc.	10.83%	9.44%	9.81%	9.72%	10.34%	15.35%	11.08%	8.43%	9.84%	8.84%	8.35%	9.62%

Drawdowns

MSIF vs. TSLX - Drawdown Comparison

The maximum MSIF drawdown since its inception was -30.63%, smaller than the maximum TSLX drawdown of -50.27%. Use the drawdown chart below to compare losses from any high point for MSIF and TSLX.

Drawdown Indicators

	MSIF	TSLX	Difference
Max Drawdown Largest peak-to-trough decline	-30.63%	-50.27%	+19.64%
Max Drawdown (1Y) Largest decline over 1 year	-30.63%	-27.94%	-2.69%
Max Drawdown (5Y) Largest decline over 5 years	—	-28.77%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-50.27%	—
Current Drawdown Current decline from peak	-24.62%	-21.50%	-3.12%
Average Drawdown Average peak-to-trough decline	-15.40%	-8.88%	-6.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.21%	11.37%	+6.84%

Volatility

MSIF vs. TSLX - Volatility Comparison

MSC Income Fund, Inc. (MSIF) has a higher volatility of 8.68% compared to Sixth Street Specialty Lending, Inc. (TSLX) at 8.23%. This indicates that MSIF's price experiences larger fluctuations and is considered to be riskier than TSLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIF	TSLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.68%	8.23%	+0.45%
Volatility (6M) Calculated over the trailing 6-month period	20.22%	18.05%	+2.17%
Volatility (1Y) Calculated over the trailing 1-year period	30.73%	24.04%	+6.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.94%	18.58%	+11.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.94%	21.06%	+8.88%

Financials