JMIGX vs. NEAGX

Last updated Aug 1, 2026

JMIGX (Jacob Discovery Fund) and NEAGX (Needham Aggressive Growth Fund) are both Small Cap Growth Equities funds. Over the past 10 years, JMIGX returned 12.01%/yr vs 19.67%/yr for NEAGX. Their 0.76 correlation means they have sometimes moved together and sometimes differently. JMIGX charges 1.75%/yr vs 1.86%/yr for NEAGX.

Performance

JMIGX vs. NEAGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Jacob Discovery Fund (JMIGX) and Needham Aggressive Growth Fund (NEAGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JMIGX achieves a -7.46% return, which is significantly lower than NEAGX's 31.89% return. Over the past 10 years, JMIGX has underperformed NEAGX with an annualized return of 12.01%, while NEAGX has yielded a comparatively higher 19.67% annualized return.

JMIGX

• 1D: 2.33%
• 1M: -8.57%
• 6M: -5.49%
• YTD: -7.46%
• 1Y: 18.62%
• 3Y*: 8.26%
• 5Y*: -4.51%
• 10Y*: 12.01%
• ALL TIME*: 7.09%

NEAGX

• 1D: 4.76%
• 1M: -12.12%
• 6M: 19.20%
• YTD: 31.89%
• 1Y: 49.17%
• 3Y*: 24.32%
• 5Y*: 17.14%
• 10Y*: 19.67%
• ALL TIME*: 12.93%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
JMIGX Jacob Discovery Fund	$0.00	$0.00	$0.00
NEAGX Needham Aggressive Growth Fund	$0.00	$0.00	$0.00

JMIGX vs. NEAGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JMIGX Jacob Discovery Fund	-7.46%	32.71%	10.64%	4.38%	-41.64%	14.60%	74.01%	42.89%	10.52%	28.91%
NEAGX Needham Aggressive Growth Fund	31.89%	26.40%	14.31%	37.65%	-27.53%	37.56%	51.53%	43.82%	-16.09%	8.75%

Correlation

The correlation between JMIGX and NEAGX is 0.61, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.61
Correlation (3Y) Balances recent behavior with more history.	0.65
Correlation (5Y) Shows whether the relationship held over a longer period.	0.71
Correlation (10Y) Provides a long-term view across more market conditions.	0.69
Correlation (All Time) Calculated using the full available price history since Aug 31, 2001	0.76

The correlation between JMIGX and NEAGX shifts across timeframes, from 0.61 (1 year) to 0.76 (all time), reflecting how their relationship changes across market environments.

Return for Risk

JMIGX vs. NEAGX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

JMIGX

JMIGX Risk / Return Rank: 18
JMIGX Sharpe Ratio Rank: 16
JMIGX Sortino Ratio Rank: 19
JMIGX Omega Ratio Rank: 17
JMIGX Calmar Ratio Rank: 19
JMIGX Martin Ratio Rank: 17

NEAGX

NEAGX Risk / Return Rank: 60
NEAGX Sharpe Ratio Rank: 64
NEAGX Sortino Ratio Rank: 56
NEAGX Omega Ratio Rank: 55
NEAGX Calmar Ratio Rank: 56
NEAGX Martin Ratio Rank: 69

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

JMIGX vs. NEAGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Jacob Discovery Fund (JMIGX) and Needham Aggressive Growth Fund (NEAGX). 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.

	JMIGX	NEAGX	Difference
Sharpe ratio: Return per unit of total volatility	0.67	1.49	-0.83
Sortino ratio: Return per unit of downside risk	1.11	1.98	-0.87
Omega ratio: Gain probability vs. loss probability	1.13	1.25	-0.13
Calmar ratio: Return relative to maximum drawdown	0.97	1.91	-0.94
Martin ratio: Return relative to average drawdown	2.54	8.29	-5.76

JMIGX vs. NEAGX - Sharpe Ratio Comparison

The current JMIGX Sharpe Ratio is 0.67, which is lower than the NEAGX Sharpe Ratio of 1.49. The chart below compares the historical Sharpe Ratios of JMIGX and NEAGX, 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

JMIGX vs. NEAGX - Drawdown Comparison

The maximum JMIGX drawdown since its inception was -70.25%, which is greater than NEAGX's maximum drawdown of -41.80%. Use the drawdown chart below to compare losses from any high point for JMIGX and NEAGX.

Drawdown Indicators

	JMIGX	NEAGX	Difference
Max Drawdown Largest peak-to-trough decline	-70.25%	-41.80%	-28.45%
Max Drawdown (1Y) Largest decline over 1 year	-17.70%	-24.12%	+6.42%
Max Drawdown (3Y) Largest decline over 3 years	-29.40%	-28.49%	-0.91%
Max Drawdown (5Y) Largest decline over 5 years	-59.40%	-36.31%	-23.09%
Max Drawdown (10Y) Largest decline over 10 years	-61.67%	-36.31%	-25.36%
Current Drawdown Current decline from peak	-34.03%	-20.51%	-13.52%
Average Drawdown Average peak-to-trough decline	-26.89%	-8.67%	-18.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.73%	5.54%	+1.19%

Volatility

JMIGX vs. NEAGX - Volatility Comparison

The current volatility for Jacob Discovery Fund (JMIGX) is 6.36%, while Needham Aggressive Growth Fund (NEAGX) has a volatility of 13.05%. This indicates that JMIGX experiences smaller price fluctuations and is considered to be less risky than NEAGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JMIGX	NEAGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.36%	13.05%	-6.69%
Volatility (6M) Calculated over the trailing 6-month period	18.81%	26.27%	-7.46%
Volatility (1Y) Calculated over the trailing 1-year period	25.73%	30.84%	-5.11%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.17%	25.66%	+1.51%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.28%	24.70%	+1.58%

JMIGX vs. NEAGX - Expense Ratio Comparison

JMIGX has a 1.75% expense ratio, which is lower than NEAGX's 1.86% expense ratio.

Dividends

JMIGX vs. NEAGX - Dividend Comparison

JMIGX's dividend yield for the trailing twelve months is around 0.54%, less than NEAGX's 1.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JMIGX Jacob Discovery Fund	0.54%	0.50%	0.00%	0.00%	0.00%	2.30%	6.37%	0.00%	0.00%	0.00%	0.00%	27.75%
NEAGX Needham Aggressive Growth Fund	1.62%	2.14%	0.00%	0.00%	0.00%	7.10%	3.91%	10.64%	16.57%	5.17%	6.72%	11.88%

Frequently Asked Questions

Can I hold both JMIGX and NEAGX in my portfolio?

JMIGX and NEAGX have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JMIGX or NEAGX?

NEAGX has higher volatility (13.05%) compared to JMIGX (6.36%). In terms of maximum drawdown, JMIGX dropped -70.25% vs NEAGX's -41.80%.

Which has better risk-adjusted returns?

NEAGX currently has the higher Sharpe Ratio (1.49 vs 0.67), 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.