MNRMX vs. VIIIX

Last updated Jun 4, 2026

MNRMX (Manor Investment Funds Manor Fund) and VIIIX (Vanguard Institutional Index Fund Institutional Plus Shares) are both Large Cap Blend Equities funds. Over the past 10 years, MNRMX returned 11.51%/yr vs 15.74%/yr for VIIIX. Their correlation of 0.93 suggests significant overlap in exposure. MNRMX charges 1.25%/yr vs 0.02%/yr for VIIIX.

Performance

MNRMX vs. VIIIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Manor Investment Funds Manor Fund (MNRMX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MNRMX achieves a 16.46% return, which is significantly higher than VIIIX's 11.70% return. Over the past 10 years, MNRMX has underperformed VIIIX with an annualized return of 11.51%, while VIIIX has yielded a comparatively higher 15.74% annualized return.

MNRMX

• 1D: 0.88%
• 1M: 6.06%
• YTD: 16.46%
• 6M: 15.57%
• 1Y: 37.63%
• 3Y*: 21.29%
• 5Y*: 11.71%
• 10Y*: 11.51%

VIIIX

• 1D: 0.13%
• 1M: 5.80%
• YTD: 11.70%
• 6M: 11.74%
• 1Y: 28.99%
• 3Y*: 23.17%
• 5Y*: 14.42%
• 10Y*: 15.74%

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

MNRMX vs. VIIIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MNRMX Manor Investment Funds Manor Fund	16.46%	20.62%	12.32%	13.77%	-10.73%	29.52%	5.94%	31.64%	-19.36%	21.55%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	11.70%	17.87%	26.29%	25.79%	-18.14%	28.69%	18.41%	31.48%	-4.41%	21.82%

Correlation

The correlation between MNRMX and VIIIX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.90
Correlation (All Time) Calculated using the full available price history since May 5, 2005	0.93

The correlation between MNRMX and VIIIX has been stable across timeframes, ranging from 0.85 to 0.93 - a consistent structural relationship.

Return for Risk

MNRMX vs. VIIIX — Risk / Return Rank

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

MNRMX

MNRMX Risk / Return Rank: 83
MNRMX Sharpe Ratio Rank: 82
MNRMX Sortino Ratio Rank: 73
MNRMX Omega Ratio Rank: 70
MNRMX Calmar Ratio Rank: 94
MNRMX Martin Ratio Rank: 95

VIIIX

VIIIX Risk / Return Rank: 73
VIIIX Sharpe Ratio Rank: 76
VIIIX Sortino Ratio Rank: 67
VIIIX Omega Ratio Rank: 67
VIIIX Calmar Ratio Rank: 74
VIIIX Martin Ratio Rank: 83

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.

MNRMX vs. VIIIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Manor Investment Funds Manor Fund (MNRMX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.

	MNRMX	VIIIX	Difference
Sharpe ratio Return per unit of total volatility	2.70	2.52	+0.18
Sortino ratio Return per unit of downside risk	3.59	3.42	+0.16
Omega ratio Gain probability vs. loss probability	1.47	1.46	+0.01
Calmar ratio Return relative to maximum drawdown	5.42	3.36	+2.06
Martin ratio Return relative to average drawdown	22.99	15.69	+7.29
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MNRMX vs. VIIIX - Sharpe Ratio Comparison

The current MNRMX Sharpe Ratio is 2.70, which is comparable to the VIIIX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of MNRMX and VIIIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MNRMX	VIIIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.70	2.52	+0.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.09	0.86	-0.77
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.13	0.87	-0.75
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.50	-0.36

Drawdowns

MNRMX vs. VIIIX - Drawdown Comparison

The maximum MNRMX drawdown since its inception was -78.38%, which is greater than VIIIX's maximum drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for MNRMX and VIIIX.

Drawdown Indicators

	MNRMX	VIIIX	Difference
Max Drawdown Largest peak-to-trough decline	-78.38%	-55.18%	-23.20%
Max Drawdown (1Y) Largest decline over 1 year	-7.20%	-8.90%	+1.70%
Max Drawdown (3Y) Largest decline over 3 years	-78.38%	-18.75%	-59.63%
Max Drawdown (5Y) Largest decline over 5 years	-78.38%	-24.50%	-53.88%
Max Drawdown (10Y) Largest decline over 10 years	-78.38%	-33.79%	-44.59%
Current Drawdown Current decline from peak	-63.70%	0.00%	-63.70%
Average Drawdown Average peak-to-trough decline	-12.52%	-10.02%	-2.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.69%	1.90%	-0.21%

Volatility

MNRMX vs. VIIIX - Volatility Comparison

Manor Investment Funds Manor Fund (MNRMX) has a higher volatility of 3.58% compared to Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) at 2.83%. This indicates that MNRMX's price experiences larger fluctuations and is considered to be riskier than VIIIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MNRMX	VIIIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.58%	2.83%	+0.75%
Volatility (6M) Calculated over the trailing 6-month period	11.47%	8.97%	+2.50%
Volatility (1Y) Calculated over the trailing 1-year period	14.45%	11.86%	+2.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	127.18%	16.89%	+110.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	91.12%	18.06%	+73.06%

MNRMX vs. VIIIX - Expense Ratio Comparison

MNRMX has a 1.25% expense ratio, which is higher than VIIIX's 0.02% expense ratio.

Dividends

MNRMX vs. VIIIX - Dividend Comparison

MNRMX's dividend yield for the trailing twelve months is around 7.12%, more than VIIIX's 2.41% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MNRMX Manor Investment Funds Manor Fund	7.12%	8.30%	0.00%	1.00%	4.66%	3.46%	1.77%	1.14%	4.92%	1.03%	10.51%	5.71%
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares	2.41%	2.11%	3.66%	2.66%	3.39%	4.79%	3.07%	2.86%	2.45%	1.84%	2.38%	2.47%

Frequently Asked Questions

Can I hold both MNRMX and VIIIX in my portfolio?

MNRMX and VIIIX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MNRMX or VIIIX?

MNRMX has higher volatility (3.58%) compared to VIIIX (2.83%). In terms of maximum drawdown, MNRMX dropped -78.38% vs VIIIX's -55.18%.

Which has better risk-adjusted returns?

MNRMX currently has the higher Sharpe Ratio (2.70 vs 2.52), 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.