JSCGX vs. JAMFX

Last updated Jul 14, 2026

JSCGX (Jacob Small Cap Growth Fund) and JAMFX (Jacob Internet Fund) are both mutual funds - JSCGX is a Small Cap Growth Equities fund managed by Jacob, while JAMFX is a Technology Equities fund managed by Jacob. Over the past 10 years, JSCGX returned 7.58%/yr vs 8.90%/yr for JAMFX. Their correlation of 0.88 suggests significant overlap in exposure. JSCGX charges 1.97%/yr vs 2.02%/yr for JAMFX.

Performance

JSCGX vs. JAMFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Jacob Small Cap Growth Fund (JSCGX) and Jacob Internet Fund (JAMFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JSCGX achieves a -21.62% return, which is significantly lower than JAMFX's -14.40% return. Over the past 10 years, JSCGX has underperformed JAMFX with an annualized return of 7.58%, while JAMFX has yielded a comparatively higher 8.90% annualized return.

JSCGX

• 1D: -1.21%
• 1M: 8.72%
• 6M: -22.52%
• YTD: -21.62%
• 1Y: 2.27%
• 3Y*: 9.50%
• 5Y*: -8.48%
• 10Y*: 7.58%

JAMFX

• 1D: -1.06%
• 1M: 3.14%
• 6M: -17.55%
• YTD: -14.40%
• 1Y: -12.99%
• 3Y*: 6.65%
• 5Y*: -10.95%
• 10Y*: 8.90%

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

JSCGX vs. JAMFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JSCGX Jacob Small Cap Growth Fund	-21.62%	41.65%	12.89%	18.74%	-50.37%	-0.60%	60.95%	20.04%	8.26%	20.61%
JAMFX Jacob Internet Fund	-14.40%	13.17%	14.31%	34.64%	-59.54%	12.88%	122.48%	21.70%	1.98%	24.07%

Correlation

The correlation between JSCGX and JAMFX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.89
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Feb 1, 2010	0.88

The correlation between JSCGX and JAMFX has been stable across timeframes, ranging from 0.88 to 0.92 - a consistent structural relationship.

Return for Risk

JSCGX vs. JAMFX — Risk / Return Rank

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

JSCGX

JSCGX Risk / Return Rank: 4
JSCGX Sharpe Ratio Rank: 3
JSCGX Sortino Ratio Rank: 4
JSCGX Omega Ratio Rank: 4
JSCGX Calmar Ratio Rank: 3
JSCGX Martin Ratio Rank: 3

JAMFX

JAMFX Risk / Return Rank: 2
JAMFX Sharpe Ratio Rank: 1
JAMFX Sortino Ratio Rank: 2
JAMFX Omega Ratio Rank: 2
JAMFX Calmar Ratio Rank: 2
JAMFX Martin Ratio Rank: 2

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.

JSCGX vs. JAMFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Jacob Small Cap Growth Fund (JSCGX) and Jacob Internet Fund (JAMFX). 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.

	JSCGX	JAMFX	Difference
Sharpe ratio: Return per unit of total volatility	0.01	-0.47	+0.48
Sortino ratio: Return per unit of downside risk	0.22	-0.47	+0.69
Omega ratio: Gain probability vs. loss probability	1.03	0.95	+0.08
Calmar ratio: Return relative to maximum drawdown	0.01	-0.37	+0.37
Martin ratio: Return relative to average drawdown	0.02	-0.65	+0.67

JSCGX vs. JAMFX - Sharpe Ratio Comparison

The current JSCGX Sharpe Ratio is 0.01, which is higher than the JAMFX Sharpe Ratio of -0.47. The chart below compares the historical Sharpe Ratios of JSCGX and JAMFX, 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

JSCGX vs. JAMFX - Drawdown Comparison

The maximum JSCGX drawdown since its inception was -70.07%, smaller than the maximum JAMFX drawdown of -96.46%. Use the drawdown chart below to compare losses from any high point for JSCGX and JAMFX.

Drawdown Indicators

	JSCGX	JAMFX	Difference
Max Drawdown Largest peak-to-trough decline	-70.07%	-96.46%	+26.39%
Max Drawdown (1Y) Largest decline over 1 year	-32.69%	-40.83%	+8.14%
Max Drawdown (3Y) Largest decline over 3 years	-32.69%	-40.83%	+8.14%
Max Drawdown (5Y) Largest decline over 5 years	-67.86%	-70.01%	+2.15%
Max Drawdown (10Y) Largest decline over 10 years	-70.07%	-70.50%	+0.43%
Current Drawdown Current decline from peak	-45.65%	-52.29%	+6.64%
Average Drawdown Average peak-to-trough decline	-25.23%	-63.95%	+38.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.97%	23.00%	-6.03%

Volatility

JSCGX vs. JAMFX - Volatility Comparison

The current volatility for Jacob Small Cap Growth Fund (JSCGX) is 6.88%, while Jacob Internet Fund (JAMFX) has a volatility of 9.66%. This indicates that JSCGX experiences smaller price fluctuations and is considered to be less risky than JAMFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JSCGX	JAMFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.88%	9.66%	-2.78%
Volatility (6M) Calculated over the trailing 6-month period	21.32%	25.31%	-3.99%
Volatility (1Y) Calculated over the trailing 1-year period	29.14%	31.97%	-2.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.34%	37.99%	-1.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.76%	33.40%	-0.64%

JSCGX vs. JAMFX - Expense Ratio Comparison

JSCGX has a 1.97% expense ratio, which is lower than JAMFX's 2.02% expense ratio.

Dividends

JSCGX vs. JAMFX - Dividend Comparison

JSCGX has not paid dividends to shareholders, while JAMFX's dividend yield for the trailing twelve months is around 2.87%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JAMFX Jacob Internet Fund	2.87%	2.46%	0.00%	0.00%	0.00%	3.07%	13.77%	12.76%	8.77%	12.56%	4.94%	12.97%
JSCGX Jacob Small Cap Growth Fund	0.00%	0.00%	0.00%	0.00%	0.00%	18.09%	13.69%	2.57%	1.13%	0.00%	0.00%	0.59%

Frequently Asked Questions

Can I hold both JSCGX and JAMFX in my portfolio?

JSCGX and JAMFX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JSCGX or JAMFX?

JAMFX has higher volatility (9.66%) compared to JSCGX (6.88%). In terms of maximum drawdown, JSCGX dropped -70.07% vs JAMFX's -96.46%.

Which has better risk-adjusted returns?

JSCGX currently has the higher Sharpe Ratio (0.01 vs -0.47), 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.