JAMFX vs. FELAX

Last updated Apr 2, 2026

Compare and contrast key facts about Jacob Internet Fund (JAMFX) and Fidelity Advisor Semiconductors Fund Class A (FELAX).

JAMFX is managed by Jacob. It was launched on Dec 12, 1999. FELAX is managed by Fidelity. It was launched on Dec 27, 2000.

Performance

JAMFX vs. FELAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Jacob Internet Fund (JAMFX) and Fidelity Advisor Semiconductors Fund Class A (FELAX). The values are adjusted to include any dividend payments, if applicable.

JAMFX vs. FELAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JAMFX Jacob Internet Fund	-26.49%	13.17%	14.31%	34.64%	-59.54%	12.88%	122.48%	21.70%	1.98%	24.07%
FELAX Fidelity Advisor Semiconductors Fund Class A	7.43%	44.88%	43.74%	75.08%	-35.07%	57.50%	43.57%	63.76%	-12.76%	34.12%

Returns By Period

In the year-to-date period, JAMFX achieves a -26.49% return, which is significantly lower than FELAX's 7.43% return. Over the past 10 years, JAMFX has underperformed FELAX with an annualized return of 9.14%, while FELAX has yielded a comparatively higher 30.52% annualized return.

JAMFX

• 1D: 3.67%
• 1M: -6.25%
• YTD: -26.49%
• 6M: -34.88%
• 1Y: -10.29%
• 3Y*: 5.06%
• 5Y*: -15.10%
• 10Y*: 9.14%

FELAX

• 1D: 7.13%
• 1M: -4.47%
• YTD: 7.43%
• 6M: 14.34%
• 1Y: 88.29%
• 3Y*: 41.26%
• 5Y*: 28.70%
• 10Y*: 30.52%

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

JAMFX vs. FELAX - Expense Ratio Comparison

JAMFX has a 2.02% expense ratio, which is higher than FELAX's 1.01% expense ratio.

JAMFX

Jacob Internet Fund

FELAX

Fidelity Advisor Semiconductors Fund Class A

Return for Risk

JAMFX vs. FELAX — Risk / Return Rank

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

JAMFX

JAMFX Risk / Return Rank: 2
JAMFX Sharpe Ratio Rank: 2
JAMFX Sortino Ratio Rank: 2
JAMFX Omega Ratio Rank: 2
JAMFX Calmar Ratio Rank: 2
JAMFX Martin Ratio Rank: 2

FELAX

FELAX Risk / Return Rank: 95
FELAX Sharpe Ratio Rank: 95
FELAX Sortino Ratio Rank: 93
FELAX Omega Ratio Rank: 89
FELAX Calmar Ratio Rank: 98
FELAX Martin Ratio Rank: 98

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.

JAMFX vs. FELAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Jacob Internet Fund (JAMFX) and Fidelity Advisor Semiconductors Fund Class A (FELAX). 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.

	JAMFX	FELAX	Difference
Sharpe ratio Return per unit of total volatility	-0.31	2.25	-2.55
Sortino ratio Return per unit of downside risk	-0.21	2.85	-3.06
Omega ratio Gain probability vs. loss probability	0.97	1.40	-0.43
Calmar ratio Return relative to maximum drawdown	-0.29	5.18	-5.47
Martin ratio Return relative to average drawdown	-0.73	19.59	-20.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JAMFX vs. FELAX - Sharpe Ratio Comparison

The current JAMFX Sharpe Ratio is -0.31, which is lower than the FELAX Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of JAMFX and FELAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	JAMFX	FELAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.31	2.25	-2.55
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.40	0.76	-1.16
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.28	0.89	-0.61
Sharpe Ratio (All Time) Calculated using the full available price history	0.01	0.40	-0.39

Correlation

The correlation between JAMFX and FELAX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

JAMFX vs. FELAX - Dividend Comparison

JAMFX's dividend yield for the trailing twelve months is around 3.35%, less than FELAX's 6.48% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JAMFX Jacob Internet Fund	3.35%	2.46%	0.00%	0.00%	0.00%	3.07%	13.77%	12.76%	8.77%	12.56%	4.94%	12.97%
FELAX Fidelity Advisor Semiconductors Fund Class A	6.48%	6.96%	7.02%	3.40%	3.32%	4.34%	4.51%	1.00%	20.15%	9.67%	0.36%	10.71%

Drawdowns

JAMFX vs. FELAX - Drawdown Comparison

The maximum JAMFX drawdown since its inception was -96.46%, which is greater than FELAX's maximum drawdown of -71.33%. Use the drawdown chart below to compare losses from any high point for JAMFX and FELAX.

Drawdown Indicators

	JAMFX	FELAX	Difference
Max Drawdown Largest peak-to-trough decline	-96.46%	-71.33%	-25.13%
Max Drawdown (1Y) Largest decline over 1 year	-40.57%	-17.10%	-23.47%
Max Drawdown (5Y) Largest decline over 5 years	-70.01%	-46.15%	-23.86%
Max Drawdown (10Y) Largest decline over 10 years	-70.50%	-46.15%	-24.35%
Current Drawdown Current decline from peak	-59.03%	-8.57%	-50.46%
Average Drawdown Average peak-to-trough decline	-64.06%	-22.02%	-42.04%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.39%	4.52%	+11.87%

Volatility

JAMFX vs. FELAX - Volatility Comparison

The current volatility for Jacob Internet Fund (JAMFX) is 10.06%, while Fidelity Advisor Semiconductors Fund Class A (FELAX) has a volatility of 12.79%. This indicates that JAMFX experiences smaller price fluctuations and is considered to be less risky than FELAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JAMFX	FELAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.06%	12.79%	-2.73%
Volatility (6M) Calculated over the trailing 6-month period	22.69%	25.67%	-2.98%
Volatility (1Y) Calculated over the trailing 1-year period	34.42%	40.20%	-5.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.78%	38.07%	-0.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.05%	34.41%	-1.36%