MOFIX vs. MSUMX

Last updated Apr 2, 2026

Compare and contrast key facts about Mercer Opportunistic Fixed Income Fund (MOFIX) and BlackRock US Mortgage Portfolio (MSUMX).

MOFIX is managed by Mercer Funds. It was launched on Aug 20, 2013. MSUMX is managed by BlackRock. It was launched on Jul 28, 2005.

Performance

MOFIX vs. MSUMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mercer Opportunistic Fixed Income Fund (MOFIX) and BlackRock US Mortgage Portfolio (MSUMX). The values are adjusted to include any dividend payments, if applicable.

MOFIX vs. MSUMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
MOFIX Mercer Opportunistic Fixed Income Fund	-2.59%	8.60%	2.23%	12.22%	-11.57%	-1.15%	5.31%	3.18%
MSUMX BlackRock US Mortgage Portfolio	0.03%	8.32%	5.88%	5.29%	-14.00%	2.42%	5.66%	4.86%

Returns By Period

MOFIX

• 1D: 0.36%
• 1M: -2.13%
• YTD: -2.59%
• 6M: -1.99%
• 1Y: 3.35%
• 3Y*: 5.19%
• 5Y*: 1.73%
• 10Y*: —

MSUMX

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

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

MOFIX vs. MSUMX - Expense Ratio Comparison

MOFIX has a 0.44% expense ratio, which is lower than MSUMX's 0.45% expense ratio.

MSUMX

BlackRock US Mortgage Portfolio

MOFIX

Mercer Opportunistic Fixed Income Fund

Return for Risk

MOFIX vs. MSUMX — Risk / Return Rank

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

MOFIX

MOFIX Risk / Return Rank: 45
MOFIX Sharpe Ratio Rank: 51
MOFIX Sortino Ratio Rank: 41
MOFIX Omega Ratio Rank: 55
MOFIX Calmar Ratio Rank: 37
MOFIX Martin Ratio Rank: 39

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.

MOFIX vs. MSUMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mercer Opportunistic Fixed Income Fund (MOFIX) and BlackRock US Mortgage Portfolio (MSUMX). 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.

	MOFIX	MSUMX	Difference
Sharpe ratio Return per unit of total volatility	1.06	—	—
Sortino ratio Return per unit of downside risk	1.40	—	—
Omega ratio Gain probability vs. loss probability	1.24	—	—
Calmar ratio Return relative to maximum drawdown	1.17	—	—
Martin ratio Return relative to average drawdown	4.67	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	MOFIX	MSUMX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.06	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.25	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.30	—	—

Correlation

The correlation between MOFIX and MSUMX is 0.50, 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

MOFIX vs. MSUMX - Dividend Comparison

MOFIX's dividend yield for the trailing twelve months is around 3.41%, less than MSUMX's 4.37% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MOFIX Mercer Opportunistic Fixed Income Fund	3.41%	3.32%	6.91%	6.44%	3.81%	4.20%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Drawdowns

Drawdown Indicators

	MOFIX	MSUMX	Difference
Max Drawdown Largest peak-to-trough decline	-19.96%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-3.52%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-19.00%	—	—
Current Drawdown Current decline from peak	-3.05%	—	—
Average Drawdown Average peak-to-trough decline	-5.26%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	0.88%	—	—

Volatility

Volatility by Period

	MOFIX	MSUMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.48%	—	—
Volatility (6M) Calculated over the trailing 6-month period	2.12%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	3.87%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.25%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.25%	—	—