JAMRX vs. JNRFX

Last updated Jun 3, 2026

JAMRX (Janus Henderson Research Fund Class I) and JNRFX (Janus Henderson Research Fund) are both Large Cap Growth Equities funds from Janus Henderson. Over the past 10 years, JAMRX returned 17.26%/yr vs 16.77%/yr for JNRFX. With a 1.00 correlation, they move nearly in lockstep. JAMRX charges 0.64%/yr vs 0.66%/yr for JNRFX.

Performance

JAMRX vs. JNRFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Research Fund Class I (JAMRX) and Janus Henderson Research Fund (JNRFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with JAMRX having a 9.45% return and JNRFX slightly higher at 9.50%. Both investments have delivered pretty close results over the past 10 years, with JAMRX having a 17.26% annualized return and JNRFX not far behind at 16.77%.

JAMRX

• 1D: 1.31%
• 1M: 7.77%
• YTD: 9.45%
• 6M: 8.62%
• 1Y: 26.52%
• 3Y*: 28.36%
• 5Y*: 15.73%
• 10Y*: 17.26%

JNRFX

• 1D: 1.31%
• 1M: 7.78%
• YTD: 9.50%
• 6M: 8.68%
• 1Y: 26.66%
• 3Y*: 26.45%
• 5Y*: 14.74%
• 10Y*: 16.77%

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

JAMRX vs. JNRFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JAMRX Janus Henderson Research Fund Class I	9.45%	18.32%	41.65%	43.02%	-30.03%	20.08%	32.67%	35.28%	-2.84%	25.89%
JNRFX Janus Henderson Research Fund	9.50%	18.45%	35.13%	43.14%	-29.96%	20.19%	32.82%	35.40%	-2.73%	25.90%

Correlation

The correlation between JAMRX and JNRFX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (10Y) Calculated over the trailing 10-year period	1.00
Correlation (All Time) Calculated using the full available price history since May 5, 1993	1.00

The correlation between JAMRX and JNRFX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

JAMRX vs. JNRFX — Risk / Return Rank

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

JAMRX

JAMRX Risk / Return Rank: 28
JAMRX Sharpe Ratio Rank: 36
JAMRX Sortino Ratio Rank: 32
JAMRX Omega Ratio Rank: 33
JAMRX Calmar Ratio Rank: 18
JAMRX Martin Ratio Rank: 20

JNRFX

JNRFX Risk / Return Rank: 28
JNRFX Sharpe Ratio Rank: 36
JNRFX Sortino Ratio Rank: 32
JNRFX Omega Ratio Rank: 33
JNRFX Calmar Ratio Rank: 18
JNRFX Martin Ratio Rank: 20

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.

JAMRX vs. JNRFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Research Fund Class I (JAMRX) and Janus Henderson Research Fund (JNRFX). 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	JNRFX	Difference
Sharpe ratio Return per unit of total volatility	1.74	1.75	-0.01
Sortino ratio Return per unit of downside risk	2.38	2.39	-0.01
Omega ratio Gain probability vs. loss probability	1.30	1.31	0.00
Calmar ratio Return relative to maximum drawdown	1.60	1.61	-0.01
Martin ratio Return relative to average drawdown	5.53	5.58	-0.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JAMRX vs. JNRFX - Sharpe Ratio Comparison

The current JAMRX Sharpe Ratio is 1.74, which is comparable to the JNRFX Sharpe Ratio of 1.75. The chart below compares the historical Sharpe Ratios of JAMRX and JNRFX, 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

	JAMRX	JNRFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.74	1.75	-0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.71	0.67	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	0.79	+0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.47	+0.13

Drawdowns

JAMRX vs. JNRFX - Drawdown Comparison

The maximum JAMRX drawdown since its inception was -71.20%, roughly equal to the maximum JNRFX drawdown of -74.74%. Use the drawdown chart below to compare losses from any high point for JAMRX and JNRFX.

Drawdown Indicators

	JAMRX	JNRFX	Difference
Max Drawdown Largest peak-to-trough decline	-71.20%	-74.74%	+3.54%
Max Drawdown (1Y) Largest decline over 1 year	-17.09%	-17.05%	-0.04%
Max Drawdown (3Y) Largest decline over 3 years	-22.66%	-22.66%	0.00%
Max Drawdown (5Y) Largest decline over 5 years	-36.53%	-36.48%	-0.05%
Max Drawdown (10Y) Largest decline over 10 years	-36.53%	-36.48%	-0.05%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-21.65%	-24.96%	+3.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.95%	4.94%	+0.01%

Volatility

JAMRX vs. JNRFX - Volatility Comparison

Janus Henderson Research Fund Class I (JAMRX) and Janus Henderson Research Fund (JNRFX) have volatilities of 3.73% and 3.72%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JAMRX	JNRFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.73%	3.72%	+0.01%
Volatility (6M) Calculated over the trailing 6-month period	12.33%	12.32%	+0.01%
Volatility (1Y) Calculated over the trailing 1-year period	15.90%	15.89%	+0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.13%	22.03%	+0.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.37%	21.33%	+0.04%

JAMRX vs. JNRFX - Expense Ratio Comparison

JAMRX has a 0.64% expense ratio, which is lower than JNRFX's 0.66% expense ratio.

Dividends

JAMRX vs. JNRFX - Dividend Comparison

JAMRX's dividend yield for the trailing twelve months is around 10.94%, which matches JNRFX's 10.90% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JAMRX Janus Henderson Research Fund Class I	10.94%	11.98%	10.22%	2.88%	0.28%	13.02%	2.91%	10.27%	10.92%	8.17%	5.60%	9.61%
JNRFX Janus Henderson Research Fund	10.90%	11.94%	5.11%	2.93%	0.43%	13.01%	2.98%	10.37%	11.06%	8.22%	5.41%	9.21%

Frequently Asked Questions

Can I hold both JAMRX and JNRFX in my portfolio?

With a correlation of 1.00, JAMRX and JNRFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, JAMRX or JNRFX?

JAMRX has higher volatility (3.73%) compared to JNRFX (3.72%). In terms of maximum drawdown, JAMRX dropped -71.20% vs JNRFX's -74.74%.

Which has better risk-adjusted returns?

JNRFX currently has the higher Sharpe Ratio (1.75 vs 1.74), 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.