JMIGX vs. PNSAX

Last updated Apr 2, 2026

Compare and contrast key facts about Jacob Discovery Fund (JMIGX) and Putnam Small Cap Growth Fund (PNSAX).

JMIGX is managed by Jacob. It was launched on Dec 31, 1997. PNSAX is managed by Putnam. It was launched on Dec 31, 1997.

Performance

JMIGX vs. PNSAX - Performance Comparison

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

JMIGX vs. PNSAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JMIGX Jacob Discovery Fund	-12.09%	32.71%	10.64%	4.38%	-41.64%	14.60%	74.01%	42.89%	10.52%	28.91%
PNSAX Putnam Small Cap Growth Fund	-0.28%	8.91%	22.98%	22.87%	-28.10%	14.38%	47.65%	37.60%	-2.46%	20.19%

Returns By Period

In the year-to-date period, JMIGX achieves a -12.09% return, which is significantly lower than PNSAX's -0.28% return. Over the past 10 years, JMIGX has underperformed PNSAX with an annualized return of 12.22%, while PNSAX has yielded a comparatively higher 13.98% annualized return.

JMIGX

• 1D: 3.66%
• 1M: -7.04%
• YTD: -12.09%
• 6M: -3.80%
• 1Y: 34.27%
• 3Y*: 8.46%
• 5Y*: -8.37%
• 10Y*: 12.22%

PNSAX

• 1D: 5.00%
• 1M: -7.90%
• YTD: -0.28%
• 6M: -2.39%
• 1Y: 20.42%
• 3Y*: 15.34%
• 5Y*: 5.04%
• 10Y*: 13.98%

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

JMIGX vs. PNSAX - Expense Ratio Comparison

JMIGX has a 1.75% expense ratio, which is higher than PNSAX's 1.23% expense ratio.

JMIGX

Jacob Discovery Fund

PNSAX

Putnam Small Cap Growth Fund

Return for Risk

JMIGX vs. PNSAX — Risk / Return Rank

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

JMIGX

JMIGX Risk / Return Rank: 57
JMIGX Sharpe Ratio Rank: 58
JMIGX Sortino Ratio Rank: 65
JMIGX Omega Ratio Rank: 44
JMIGX Calmar Ratio Rank: 68
JMIGX Martin Ratio Rank: 52

PNSAX

PNSAX Risk / Return Rank: 44
PNSAX Sharpe Ratio Rank: 37
PNSAX Sortino Ratio Rank: 42
PNSAX Omega Ratio Rank: 33
PNSAX Calmar Ratio Rank: 59
PNSAX Martin Ratio Rank: 49

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.

JMIGX vs. PNSAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Jacob Discovery Fund (JMIGX) and Putnam Small Cap Growth Fund (PNSAX). 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.

	JMIGX	PNSAX	Difference
Sharpe ratio Return per unit of total volatility	1.17	0.86	+0.32
Sortino ratio Return per unit of downside risk	1.79	1.36	+0.43
Omega ratio Gain probability vs. loss probability	1.21	1.17	+0.04
Calmar ratio Return relative to maximum drawdown	1.78	1.49	+0.29
Martin ratio Return relative to average drawdown	5.86	5.15	+0.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

JMIGX vs. PNSAX - Sharpe Ratio Comparison

The current JMIGX Sharpe Ratio is 1.17, which is higher than the PNSAX Sharpe Ratio of 0.86. The chart below compares the historical Sharpe Ratios of JMIGX and PNSAX, 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

	JMIGX	PNSAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.17	0.86	+0.32
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.31	0.22	-0.53
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.47	0.60	-0.13
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	0.42	-0.14

Correlation

The correlation between JMIGX and PNSAX is 0.83, 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

JMIGX vs. PNSAX - Dividend Comparison

JMIGX's dividend yield for the trailing twelve months is around 0.57%, more than PNSAX's 0.43% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
JMIGX Jacob Discovery Fund	0.57%	0.50%	0.00%	0.00%	0.00%	2.30%	6.37%	0.00%	0.00%	0.00%	0.00%	27.75%
PNSAX Putnam Small Cap Growth Fund	0.43%	0.42%	0.00%	0.00%	0.00%	15.27%	4.87%	1.93%	1.88%	0.00%	0.00%	0.00%

Drawdowns

JMIGX vs. PNSAX - Drawdown Comparison

The maximum JMIGX drawdown since its inception was -70.25%, roughly equal to the maximum PNSAX drawdown of -69.47%. Use the drawdown chart below to compare losses from any high point for JMIGX and PNSAX.

Drawdown Indicators

	JMIGX	PNSAX	Difference
Max Drawdown Largest peak-to-trough decline	-70.25%	-69.47%	-0.78%
Max Drawdown (1Y) Largest decline over 1 year	-17.70%	-14.00%	-3.70%
Max Drawdown (5Y) Largest decline over 5 years	-60.48%	-38.77%	-21.71%
Max Drawdown (10Y) Largest decline over 10 years	-61.67%	-38.77%	-22.90%
Current Drawdown Current decline from peak	-37.33%	-9.70%	-27.63%
Average Drawdown Average peak-to-trough decline	-26.85%	-23.68%	-3.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.38%	4.05%	+1.33%

Volatility

JMIGX vs. PNSAX - Volatility Comparison

The current volatility for Jacob Discovery Fund (JMIGX) is 9.04%, while Putnam Small Cap Growth Fund (PNSAX) has a volatility of 10.40%. This indicates that JMIGX experiences smaller price fluctuations and is considered to be less risky than PNSAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JMIGX	PNSAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.04%	10.40%	-1.36%
Volatility (6M) Calculated over the trailing 6-month period	18.98%	17.67%	+1.31%
Volatility (1Y) Calculated over the trailing 1-year period	27.75%	24.86%	+2.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.18%	23.05%	+4.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.10%	23.43%	+2.67%