MSUMX vs. DBSCX

Last updated Apr 1, 2026

Compare and contrast key facts about BlackRock US Mortgage Portfolio (MSUMX) and Doubleline Selective Credit Fund (DBSCX).

MSUMX is managed by BlackRock. It was launched on Jul 28, 2005. DBSCX is managed by DoubleLine. It was launched on Aug 3, 2014.

Performance

MSUMX vs. DBSCX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock US Mortgage Portfolio (MSUMX) and Doubleline Selective Credit Fund (DBSCX). The values are adjusted to include any dividend payments, if applicable.

MSUMX vs. DBSCX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MSUMX BlackRock US Mortgage Portfolio	0.03%	8.32%	5.88%	5.29%	-14.00%	2.42%	5.66%	6.89%	0.70%	2.68%
DBSCX Doubleline Selective Credit Fund	0.84%	8.46%	7.78%	8.55%	-8.10%	4.13%	1.83%	5.68%	3.03%	8.75%

Returns By Period

MSUMX

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

DBSCX

• 1D: 0.27%
• 1M: -0.92%
• YTD: 0.84%
• 6M: 2.52%
• 1Y: 6.62%
• 3Y*: 7.70%
• 5Y*: 3.85%
• 10Y*: 4.64%

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

MSUMX vs. DBSCX - Expense Ratio Comparison

MSUMX has a 0.45% expense ratio, which is higher than DBSCX's 0.05% expense ratio.

MSUMX

BlackRock US Mortgage Portfolio

DBSCX

Doubleline Selective Credit Fund

Return for Risk

MSUMX vs. DBSCX — Risk / Return Rank

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

DBSCX

DBSCX Risk / Return Rank: 98
DBSCX Sharpe Ratio Rank: 98
DBSCX Sortino Ratio Rank: 98
DBSCX Omega Ratio Rank: 97
DBSCX Calmar Ratio Rank: 98
DBSCX Martin Ratio Rank: 97

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.

MSUMX vs. DBSCX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock US Mortgage Portfolio (MSUMX) and Doubleline Selective Credit Fund (DBSCX). 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.

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

Sharpe Ratios by Period

	MSUMX	DBSCX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	3.00	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	1.44	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	1.59	—

Correlation

The correlation between MSUMX and DBSCX is 0.58, 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

MSUMX vs. DBSCX - Dividend Comparison

MSUMX's dividend yield for the trailing twelve months is around 4.37%, less than DBSCX's 5.89% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSUMX BlackRock US Mortgage Portfolio	4.37%	5.72%	5.81%	3.86%	2.85%	2.20%	3.30%	3.35%	3.88%	2.95%	3.24%	2.96%
DBSCX Doubleline Selective Credit Fund	5.89%	6.50%	7.09%	6.77%	6.67%	4.68%	4.64%	6.04%	7.43%	9.01%	9.73%	9.53%

Drawdowns

Drawdown Indicators

	MSUMX	DBSCX	Difference
Max Drawdown Largest peak-to-trough decline	—	-14.12%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-1.60%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-9.52%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-14.12%	—
Current Drawdown Current decline from peak	—	-0.92%	—
Average Drawdown Average peak-to-trough decline	—	-1.25%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.40%	—

Volatility

Volatility by Period

	MSUMX	DBSCX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	0.89%	—
Volatility (6M) Calculated over the trailing 6-month period	—	1.43%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	2.23%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	2.69%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	2.89%	—