MSIF vs. MSSGX

Last updated Apr 1, 2026

Compare and contrast key facts about MSC Income Fund, Inc. (MSIF) and Morgan Stanley Institutional Fund, Inc. Inception Portfolio (MSSGX).

MSSGX is managed by T. Rowe Price. It was launched on Nov 1, 1989.

Performance

MSIF vs. MSSGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MSC Income Fund, Inc. (MSIF) and Morgan Stanley Institutional Fund, Inc. Inception Portfolio (MSSGX). The values are adjusted to include any dividend payments, if applicable.

MSIF vs. MSSGX - Yearly Performance Comparison

	2026 (YTD)	2025
MSIF MSC Income Fund, Inc.	-4.49%	-8.32%
MSSGX Morgan Stanley Institutional Fund, Inc. Inception Portfolio	-17.92%	-2.91%

Returns By Period

In the year-to-date period, MSIF achieves a -4.49% return, which is significantly higher than MSSGX's -17.92% return.

MSIF

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

MSSGX

• 1D: -1.79%
• 1M: -9.62%
• YTD: -17.92%
• 6M: -29.00%
• 1Y: -7.13%
• 3Y*: 11.14%
• 5Y*: -12.09%
• 10Y*: 13.49%

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

Return for Risk

MSIF vs. MSSGX — 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

MSSGX

MSSGX Risk / Return Rank: 3
MSSGX Sharpe Ratio Rank: 3
MSSGX Sortino Ratio Rank: 3
MSSGX Omega Ratio Rank: 4
MSSGX Calmar Ratio Rank: 3
MSSGX Martin Ratio Rank: 3

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. MSSGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MSC Income Fund, Inc. (MSIF) and Morgan Stanley Institutional Fund, Inc. Inception Portfolio (MSSGX). 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	MSSGX	Difference
Sharpe ratio Return per unit of total volatility	-0.58	-0.24	-0.34
Sortino ratio Return per unit of downside risk	-0.69	-0.12	-0.57
Omega ratio Gain probability vs. loss probability	0.92	0.99	-0.06
Calmar ratio Return relative to maximum drawdown	-0.55	-0.34	-0.21
Martin ratio Return relative to average drawdown	-0.92	-0.88	-0.04
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. MSSGX - Sharpe Ratio Comparison

The current MSIF Sharpe Ratio is -0.58, which is lower than the MSSGX Sharpe Ratio of -0.24. The chart below compares the historical Sharpe Ratios of MSIF and MSSGX, 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	MSSGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.58	-0.24	-0.34
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.32	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.40	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.36	0.40	-0.76

Correlation

The correlation between MSIF and MSSGX is 0.38, 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

MSIF vs. MSSGX - Dividend Comparison

MSIF's dividend yield for the trailing twelve months is around 11.82%, while MSSGX has not paid dividends to shareholders.

	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%
MSSGX Morgan Stanley Institutional Fund, Inc. Inception Portfolio	0.00%	0.00%	0.99%	0.00%	0.39%	24.63%	9.61%	34.65%	14.40%	47.33%	3.32%	8.67%

Drawdowns

MSIF vs. MSSGX - Drawdown Comparison

The maximum MSIF drawdown since its inception was -30.63%, smaller than the maximum MSSGX drawdown of -76.01%. Use the drawdown chart below to compare losses from any high point for MSIF and MSSGX.

Drawdown Indicators

	MSIF	MSSGX	Difference
Max Drawdown Largest peak-to-trough decline	-30.63%	-76.01%	+45.38%
Max Drawdown (1Y) Largest decline over 1 year	-30.63%	-32.84%	+2.21%
Max Drawdown (5Y) Largest decline over 5 years	—	-73.07%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-76.01%	—
Current Drawdown Current decline from peak	-24.62%	-58.27%	+33.65%
Average Drawdown Average peak-to-trough decline	-15.40%	-22.05%	+6.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.21%	12.74%	+5.47%

Volatility

MSIF vs. MSSGX - Volatility Comparison

The current volatility for MSC Income Fund, Inc. (MSIF) is 8.68%, while Morgan Stanley Institutional Fund, Inc. Inception Portfolio (MSSGX) has a volatility of 9.31%. This indicates that MSIF experiences smaller price fluctuations and is considered to be less risky than MSSGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MSIF	MSSGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.68%	9.31%	-0.63%
Volatility (6M) Calculated over the trailing 6-month period	20.22%	23.25%	-3.03%
Volatility (1Y) Calculated over the trailing 1-year period	30.73%	32.81%	-2.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.94%	37.74%	-7.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.94%	33.50%	-3.56%