JAGLX vs. JFNAX

Last updated Jun 5, 2026

JAGLX (Janus Henderson Global Life Sciences Fund Class T) and JFNAX (Janus Henderson Global Life Sciences Fund Class A) are both Health & Biotech Equities funds from Janus Henderson. Over the past 10 years, JAGLX returned 10.94%/yr vs 10.35%/yr for JFNAX. With a 1.00 correlation, they move nearly in lockstep. JAGLX charges 0.92%/yr vs 0.98%/yr for JFNAX.

Performance

JAGLX vs. JFNAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Global Life Sciences Fund Class T (JAGLX) and Janus Henderson Global Life Sciences Fund Class A (JFNAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with JAGLX having a -2.55% return and JFNAX slightly lower at -2.59%. Over the past 10 years, JAGLX has outperformed JFNAX with an annualized return of 10.94%, while JFNAX has yielded a comparatively lower 10.35% annualized return.

JAGLX

• 1D: 1.14%
• 1M: -0.31%
• YTD: -2.55%
• 6M: -0.80%
• 1Y: 26.04%
• 3Y*: 11.36%
• 5Y*: 8.05%
• 10Y*: 10.94%

JFNAX

• 1D: 1.13%
• 1M: -0.31%
• YTD: -2.59%
• 6M: -0.83%
• 1Y: 25.93%
• 3Y*: 9.53%
• 5Y*: 6.96%
• 10Y*: 10.35%

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

JAGLX vs. JFNAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JAGLX Janus Henderson Global Life Sciences Fund Class T	-2.55%	24.72%	8.50%	7.41%	-2.79%	6.66%	25.52%	29.12%	4.05%	22.13%
JFNAX Janus Henderson Global Life Sciences Fund Class A	-2.59%	24.61%	3.41%	7.35%	-2.86%	6.59%	25.42%	28.98%	4.00%	22.35%

Correlation

The correlation between JAGLX and JFNAX 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	0.99
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 Jul 7, 2009	1.00

The correlation between JAGLX and JFNAX has been stable across timeframes, ranging from 0.99 to 1.00 - a consistent structural relationship.

Return for Risk

JAGLX vs. JFNAX — Risk / Return Rank

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

JAGLX

JAGLX Risk / Return Rank: 42
JAGLX Sharpe Ratio Rank: 40
JAGLX Sortino Ratio Rank: 40
JAGLX Omega Ratio Rank: 37
JAGLX Calmar Ratio Rank: 53
JAGLX Martin Ratio Rank: 41

JFNAX

JFNAX Risk / Return Rank: 41
JFNAX Sharpe Ratio Rank: 38
JFNAX Sortino Ratio Rank: 39
JFNAX Omega Ratio Rank: 35
JFNAX Calmar Ratio Rank: 51
JFNAX Martin Ratio Rank: 41

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.

JAGLX vs. JFNAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Global Life Sciences Fund Class T (JAGLX) and Janus Henderson Global Life Sciences Fund Class A (JFNAX). 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.

	JAGLX	JFNAX	Difference
Sharpe ratio: Return per unit of total volatility	1.78	1.77	+0.01
Sortino ratio: Return per unit of downside risk	2.60	2.59	+0.01
Omega ratio: Gain probability vs. loss probability	1.31	1.31	0.00
Calmar ratio: Return relative to maximum drawdown	2.73	2.72	+0.01
Martin ratio: Return relative to average drawdown	8.66	8.60	+0.06
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JAGLX vs. JFNAX - Sharpe Ratio Comparison

The current JAGLX Sharpe Ratio is 1.78, which is comparable to the JFNAX Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of JAGLX and JFNAX, 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

	JAGLX	JFNAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.78	1.77	+0.01
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.51	0.44	+0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.63	0.60	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.83	-0.25

Drawdowns

JAGLX vs. JFNAX - Drawdown Comparison

The maximum JAGLX drawdown since its inception was -58.96%, which is greater than JFNAX's maximum drawdown of -31.07%. Use the drawdown chart below to compare losses from any high point for JAGLX and JFNAX.

Drawdown Indicators

	JAGLX	JFNAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.96%	-31.07%	-27.89%
Max Drawdown (1Y) Largest decline over 1 year	-9.71%	-9.71%	0.00%
Max Drawdown (3Y) Largest decline over 3 years	-17.41%	-21.28%	+3.87%
Max Drawdown (5Y) Largest decline over 5 years	-22.25%	-22.29%	+0.04%
Max Drawdown (10Y) Largest decline over 10 years	-27.38%	-27.39%	+0.01%
Current Drawdown Current decline from peak	-5.47%	-5.51%	+0.04%
Average Drawdown Average peak-to-trough decline	-17.43%	-6.29%	-11.14%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.05%	3.06%	-0.01%

Volatility

JAGLX vs. JFNAX - Volatility Comparison

Janus Henderson Global Life Sciences Fund Class T (JAGLX) and Janus Henderson Global Life Sciences Fund Class A (JFNAX) have volatilities of 4.81% and 4.81%, 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

	JAGLX	JFNAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.81%	4.81%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	10.89%	10.90%	-0.01%
Volatility (1Y) Calculated over the trailing 1-year period	14.86%	14.87%	-0.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.92%	15.86%	+0.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.41%	17.38%	+0.03%

JAGLX vs. JFNAX - Expense Ratio Comparison

JAGLX has a 0.92% expense ratio, which is lower than JFNAX's 0.98% expense ratio.

Dividends

JAGLX vs. JFNAX - Dividend Comparison

JAGLX's dividend yield for the trailing twelve months is around 4.65%, which matches JFNAX's 4.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JAGLX Janus Henderson Global Life Sciences Fund Class T	4.65%	4.53%	10.98%	4.22%	0.14%	9.78%	7.75%	6.17%	13.38%	0.89%	1.13%	9.09%
JFNAX Janus Henderson Global Life Sciences Fund Class A	4.68%	4.56%	5.74%	4.28%	0.08%	9.90%	7.82%	6.18%	13.55%	1.03%	0.97%	8.93%

Frequently Asked Questions

Can I hold both JAGLX and JFNAX in my portfolio?

With a correlation of 1.00, JAGLX and JFNAX 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, JAGLX or JFNAX?

JFNAX has higher volatility (4.81%) compared to JAGLX (4.81%). In terms of maximum drawdown, JAGLX dropped -58.96% vs JFNAX's -31.07%.

Which has better risk-adjusted returns?

JAGLX currently has the higher Sharpe Ratio (1.78 vs 1.77), 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.