JAMRX vs. MRFOX
Compare and contrast key facts about Janus Henderson Research Fund Class I (JAMRX) and Marshfield Concentrated Opportunity Fund (MRFOX).
JAMRX is an actively managed fund by Janus Henderson. It was launched on May 3, 1993. MRFOX is managed by Marshfield. It was launched on Dec 29, 2015.
Performance
JAMRX vs. MRFOX - Performance Comparison
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JAMRX vs. MRFOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
JAMRX Janus Henderson Research Fund Class I | -14.01% | 18.32% | 41.65% | 43.02% | -30.03% | 20.08% | 32.67% | 35.28% | -2.84% | 25.89% |
MRFOX Marshfield Concentrated Opportunity Fund | -2.97% | 10.05% | 17.10% | 17.68% | 5.06% | 17.71% | 15.19% | 36.26% | 1.89% | 25.92% |
Returns By Period
In the year-to-date period, JAMRX achieves a -14.01% return, which is significantly lower than MRFOX's -2.97% return. Both investments have delivered pretty close results over the past 10 years, with JAMRX having a 14.62% annualized return and MRFOX not far ahead at 15.31%.
JAMRX
- 1D
- -0.62%
- 1M
- -9.38%
- YTD
- -14.01%
- 6M
- -13.22%
- 1Y
- 12.47%
- 3Y*
- 21.81%
- 5Y*
- 11.48%
- 10Y*
- 14.62%
MRFOX
- 1D
- 1.16%
- 1M
- -4.29%
- YTD
- -2.97%
- 6M
- -3.36%
- 1Y
- 3.66%
- 3Y*
- 12.79%
- 5Y*
- 10.99%
- 10Y*
- 15.31%
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JAMRX vs. MRFOX - Expense Ratio Comparison
JAMRX has a 0.64% expense ratio, which is lower than MRFOX's 1.05% expense ratio.
Return for Risk
JAMRX vs. MRFOX — Risk / Return Rank
JAMRX
MRFOX
JAMRX vs. MRFOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Research Fund Class I (JAMRX) and Marshfield Concentrated Opportunity Fund (MRFOX). 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.
| JAMRX | MRFOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.56 | 0.33 | +0.23 |
Sortino ratioReturn per unit of downside risk | 0.97 | 0.57 | +0.40 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.07 | +0.06 |
Calmar ratioReturn relative to maximum drawdown | 0.55 | 0.68 | -0.13 |
Martin ratioReturn relative to average drawdown | 1.99 | 1.75 | +0.24 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| JAMRX | MRFOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.56 | 0.33 | +0.23 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.52 | 0.92 | -0.39 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.69 | 1.07 | -0.39 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 1.06 | -0.50 |
Correlation
The correlation between JAMRX and MRFOX is 0.66, 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
JAMRX vs. MRFOX - Dividend Comparison
JAMRX's dividend yield for the trailing twelve months is around 13.93%, more than MRFOX's 1.67% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
JAMRX Janus Henderson Research Fund Class I | 13.93% | 11.98% | 10.22% | 2.88% | 0.28% | 13.02% | 2.91% | 10.27% | 10.92% | 8.17% | 5.60% | 9.61% |
MRFOX Marshfield Concentrated Opportunity Fund | 1.67% | 1.62% | 4.59% | 0.46% | 0.35% | 6.78% | 2.68% | 1.39% | 1.94% | 2.06% | 0.60% | 0.00% |
Drawdowns
JAMRX vs. MRFOX - Drawdown Comparison
The maximum JAMRX drawdown since its inception was -71.20%, which is greater than MRFOX's maximum drawdown of -29.10%. Use the drawdown chart below to compare losses from any high point for JAMRX and MRFOX.
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Drawdown Indicators
| JAMRX | MRFOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.20% | -29.10% | -42.10% |
Max Drawdown (1Y)Largest decline over 1 year | -17.09% | -7.09% | -10.00% |
Max Drawdown (5Y)Largest decline over 5 years | -36.53% | -12.98% | -23.55% |
Max Drawdown (10Y)Largest decline over 10 years | -36.53% | -29.10% | -7.43% |
Current DrawdownCurrent decline from peak | -17.09% | -5.32% | -11.77% |
Average DrawdownAverage peak-to-trough decline | -21.74% | -2.37% | -19.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.71% | 2.77% | +1.94% |
Volatility
JAMRX vs. MRFOX - Volatility Comparison
Janus Henderson Research Fund Class I (JAMRX) has a higher volatility of 5.65% compared to Marshfield Concentrated Opportunity Fund (MRFOX) at 3.04%. This indicates that JAMRX's price experiences larger fluctuations and is considered to be riskier than MRFOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| JAMRX | MRFOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.65% | 3.04% | +2.61% |
Volatility (6M)Calculated over the trailing 6-month period | 12.05% | 7.08% | +4.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.24% | 11.83% | +10.41% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.06% | 12.04% | +10.02% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.28% | 14.29% | +6.99% |