JAGLX vs. FBTAX

Last updated Jun 26, 2026

JAGLX (Janus Henderson Global Life Sciences Fund Class T) and FBTAX (Fidelity Advisor Biotechnology Fund Class A) are both Health & Biotech Equities funds. Over the past 10 years, JAGLX returned 12.47%/yr vs 13.57%/yr for FBTAX. Their correlation of 0.87 suggests significant overlap in exposure. JAGLX charges 0.92%/yr vs 1.00%/yr for FBTAX.

Performance

JAGLX vs. FBTAX - 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 Fidelity Advisor Biotechnology Fund Class A (FBTAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JAGLX achieves a 4.65% return, which is significantly lower than FBTAX's 13.94% return. Over the past 10 years, JAGLX has underperformed FBTAX with an annualized return of 12.47%, while FBTAX has yielded a comparatively higher 13.57% annualized return.

JAGLX

• 1D: 0.95%
• 1M: 5.19%
• YTD: 4.65%
• 6M: 3.64%
• 1Y: 34.69%
• 3Y*: 13.76%
• 5Y*: 8.52%
• 10Y*: 12.47%

FBTAX

• 1D: 0.78%
• 1M: 9.69%
• YTD: 13.94%
• 6M: 10.59%
• 1Y: 64.62%
• 3Y*: 22.65%
• 5Y*: 10.81%
• 10Y*: 13.57%

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

JAGLX vs. FBTAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JAGLX Janus Henderson Global Life Sciences Fund Class T	4.65%	24.72%	8.50%	7.41%	-2.79%	6.66%	25.52%	29.12%	4.05%	22.13%
FBTAX Fidelity Advisor Biotechnology Fund Class A	13.94%	39.54%	5.37%	10.70%	-7.95%	-3.10%	32.17%	25.74%	-3.86%	25.80%

Correlation

The correlation between JAGLX and FBTAX is 0.81, 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	0.81
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Dec 27, 2000	0.87

The correlation between JAGLX and FBTAX has been stable across timeframes, ranging from 0.81 to 0.87 - a consistent structural relationship.

Return for Risk

JAGLX vs. FBTAX — Risk / Return Rank

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

JAGLX

JAGLX Risk / Return Rank: 79
JAGLX Sharpe Ratio Rank: 81
JAGLX Sortino Ratio Rank: 81
JAGLX Omega Ratio Rank: 73
JAGLX Calmar Ratio Rank: 86
JAGLX Martin Ratio Rank: 71

FBTAX

FBTAX Risk / Return Rank: 91
FBTAX Sharpe Ratio Rank: 94
FBTAX Sortino Ratio Rank: 88
FBTAX Omega Ratio Rank: 81
FBTAX Calmar Ratio Rank: 98
FBTAX Martin Ratio Rank: 96

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. FBTAX - 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 Fidelity Advisor Biotechnology Fund Class A (FBTAX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	JAGLX	FBTAX	Difference
Sharpe ratio: Return per unit of total volatility	2.25	2.79	-0.54
Sortino ratio: Return per unit of downside risk	3.26	3.69	-0.42
Omega ratio: Gain probability vs. loss probability	1.39	1.44	-0.05
Calmar ratio: Return relative to maximum drawdown	3.54	7.24	-3.70
Martin ratio: Return relative to average drawdown	11.25	19.94	-8.69

JAGLX vs. FBTAX - Sharpe Ratio Comparison

The current JAGLX Sharpe Ratio is 2.25, which is comparable to the FBTAX Sharpe Ratio of 2.79. The chart below compares the historical Sharpe Ratios of JAGLX and FBTAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

JAGLX vs. FBTAX - Drawdown Comparison

The maximum JAGLX drawdown since its inception was -58.96%, smaller than the maximum FBTAX drawdown of -63.55%. Use the drawdown chart below to compare losses from any high point for JAGLX and FBTAX.

Drawdown Indicators

	JAGLX	FBTAX	Difference
Max Drawdown Largest peak-to-trough decline	-58.96%	-63.55%	+4.59%
Max Drawdown (1Y) Largest decline over 1 year	-9.71%	-8.91%	-0.80%
Max Drawdown (3Y) Largest decline over 3 years	-17.41%	-32.86%	+15.45%
Max Drawdown (5Y) Largest decline over 5 years	-22.25%	-36.51%	+14.26%
Max Drawdown (10Y) Largest decline over 10 years	-27.38%	-38.82%	+11.44%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-17.39%	-21.18%	+3.79%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.05%	3.23%	-0.18%

Volatility

JAGLX vs. FBTAX - Volatility Comparison

The current volatility for Janus Henderson Global Life Sciences Fund Class T (JAGLX) is 5.72%, while Fidelity Advisor Biotechnology Fund Class A (FBTAX) has a volatility of 9.18%. This indicates that JAGLX experiences smaller price fluctuations and is considered to be less risky than FBTAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JAGLX	FBTAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.72%	9.18%	-3.46%
Volatility (6M) Calculated over the trailing 6-month period	11.41%	17.92%	-6.51%
Volatility (1Y) Calculated over the trailing 1-year period	15.28%	23.16%	-7.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.01%	23.69%	-7.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.39%	24.43%	-7.04%

JAGLX vs. FBTAX - Expense Ratio Comparison

JAGLX has a 0.92% expense ratio, which is lower than FBTAX's 1.00% expense ratio.

Dividends

JAGLX vs. FBTAX - Dividend Comparison

JAGLX's dividend yield for the trailing twelve months is around 4.33%, more than FBTAX's 1.28% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBTAX Fidelity Advisor Biotechnology Fund Class A	1.28%	1.45%	6.00%	1.15%	0.00%	20.12%	8.37%	6.77%	2.50%	0.00%	0.00%	5.36%
JAGLX Janus Henderson Global Life Sciences Fund Class T	4.33%	4.53%	10.98%	4.22%	0.14%	9.78%	7.75%	6.17%	13.38%	0.89%	1.13%	9.09%

Frequently Asked Questions

Can I hold both JAGLX and FBTAX in my portfolio?

JAGLX and FBTAX have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JAGLX or FBTAX?

FBTAX has higher volatility (9.18%) compared to JAGLX (5.72%). In terms of maximum drawdown, JAGLX dropped -58.96% vs FBTAX's -63.55%.

Which has better risk-adjusted returns?

FBTAX currently has the higher Sharpe Ratio (2.79 vs 2.25), 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.