MSIF vs. MSSGX

Last updated Aug 1, 2026

MSIF (MSC Income Fund, Inc.) is a stock, while MSSGX (Morgan Stanley Institutional Fund, Inc. Inception Portfolio) is Small Cap Growth Equities fund managed by T. Rowe Price. Over the past year, MSIF returned -17.28% vs 0.06% for MSSGX. Their 0.38 correlation means their historical movements had little consistent relationship.

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.

Returns By Period

In the year-to-date period, MSIF achieves a -11.42% return, which is significantly lower than MSSGX's 3.12% return.

MSIF

• 1D: -0.27%
• 1M: -2.86%
• 6M: -12.09%
• YTD: -11.42%
• 1Y: -17.28%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -11.50%

MSSGX

• 1D: 2.99%
• 1M: -4.23%
• 6M: 7.83%
• YTD: 3.12%
• 1Y: 0.06%
• 3Y*: 10.03%
• 5Y*: -8.58%
• 10Y*: 14.58%
• ALL TIME*: 11.06%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
MSIF MSC Income Fund, Inc.	$3.51M	$3.23M	$3.47M
MSSGX Morgan Stanley Institutional Fund, Inc. Inception Portfolio	$0.00	$0.00	$0.00

MSIF vs. MSSGX - Yearly Performance Comparison

	2026 (YTD)	2025
MSIF MSC Income Fund, Inc.	-11.42%	-6.00%
MSSGX Morgan Stanley Institutional Fund, Inc. Inception Portfolio	3.12%	-3.03%

Correlation

The correlation between MSIF and MSSGX is 0.37, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.37
Correlation (All Time) Calculated using the full available price history since Jan 29, 2025	0.38

Return for Risk

MSIF vs. MSSGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

MSIF

MSIF Risk / Return Rank: 9
MSIF Sharpe Ratio Rank: 12
MSIF Sortino Ratio Rank: 13
MSIF Omega Ratio Rank: 16
MSIF Calmar Ratio Rank: 3
MSIF Martin Ratio Rank: 2

MSSGX

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

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

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.

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.

	MSIF	MSSGX	Difference
Sharpe ratio: Return per unit of total volatility	-0.73	-0.10	-0.63
Sortino ratio: Return per unit of downside risk	-0.97	0.08	-1.05
Omega ratio: Gain probability vs. loss probability	0.90	1.01	-0.11
Calmar ratio: Return relative to maximum drawdown	-0.98	-0.10	-0.89
Martin ratio: Return relative to average drawdown	-1.86	-0.19	-1.67

MSIF vs. MSSGX - Sharpe Ratio Comparison

The current MSIF Sharpe Ratio is -0.73, which is lower than the MSSGX Sharpe Ratio of -0.10. The chart below compares the historical Sharpe Ratios of MSIF and MSSGX, 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

MSIF vs. MSSGX - Drawdown Comparison

The maximum MSIF drawdown since its inception was -31.84%, 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	-31.84%	-76.01%	+44.17%
Max Drawdown (1Y) Largest decline over 1 year	-20.21%	-32.84%	+12.63%
Max Drawdown (3Y) Largest decline over 3 years	—	-32.84%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-70.90%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-76.01%	—
Current Drawdown Current decline from peak	-30.10%	-47.58%	+17.48%
Average Drawdown Average peak-to-trough decline	-17.61%	-22.29%	+4.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.28%	16.41%	-4.13%

Volatility

MSIF vs. MSSGX - Volatility Comparison

The current volatility for MSC Income Fund, Inc. (MSIF) is 7.50%, while Morgan Stanley Institutional Fund, Inc. Inception Portfolio (MSSGX) has a volatility of 8.48%. 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	7.50%	8.48%	-0.98%
Volatility (6M) Calculated over the trailing 6-month period	18.59%	23.93%	-5.34%
Volatility (1Y) Calculated over the trailing 1-year period	27.16%	31.26%	-4.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.19%	38.12%	-8.93%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.19%	33.82%	-4.63%

Dividends

MSIF vs. MSSGX - Dividend Comparison

MSIF's dividend yield for the trailing twelve months is around 10.63%, while MSSGX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSIF MSC Income Fund, Inc.	10.63%	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%

Frequently Asked Questions

Can I hold both MSIF and MSSGX in my portfolio?

MSIF and MSSGX have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MSIF or MSSGX?

MSSGX has higher volatility (8.48%) compared to MSIF (7.50%). In terms of maximum drawdown, MSIF dropped -31.84% vs MSSGX's -76.01%.

Which has better risk-adjusted returns?

MSSGX currently has the higher Sharpe Ratio (-0.10 vs -0.73), 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.