SASMX vs. NEAIX

Last updated Jun 3, 2026

SASMX (ClearBridge Small Cap Growth Fund) and NEAIX (Needham Aggressive Growth Fund Institutional Class) are both Small Cap Growth Equities funds. Over the past 5 years, SASMX returned 2.08%/yr vs 23.19%/yr for NEAIX. Their correlation of 0.83 suggests significant overlap in exposure. SASMX charges 1.16%/yr vs 1.20%/yr for NEAIX.

Performance

SASMX vs. NEAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ClearBridge Small Cap Growth Fund (SASMX) and Needham Aggressive Growth Fund Institutional Class (NEAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SASMX achieves a 11.91% return, which is significantly lower than NEAIX's 54.77% return.

SASMX

• 1D: -0.23%
• 1M: 0.87%
• YTD: 11.91%
• 6M: 11.74%
• 1Y: 25.88%
• 3Y*: 13.88%
• 5Y*: 2.08%
• 10Y*: 11.82%

NEAIX

• 1D: 1.05%
• 1M: 12.83%
• YTD: 54.77%
• 6M: 60.01%
• 1Y: 94.71%
• 3Y*: 37.81%
• 5Y*: 23.19%
• 10Y*: —

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

SASMX vs. NEAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SASMX ClearBridge Small Cap Growth Fund	11.91%	9.52%	12.95%	8.64%	-28.82%	12.11%	43.54%	25.31%	3.77%	23.84%
NEAIX Needham Aggressive Growth Fund Institutional Class	54.77%	26.99%	14.86%	38.37%	-27.02%	38.46%	52.49%	44.68%	-15.64%	10.07%

Correlation

The correlation between SASMX and NEAIX is 0.80, 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	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.83
Correlation (All Time) Calculated using the full available price history since Jan 4, 2017	0.83

The correlation between SASMX and NEAIX has been stable across timeframes, ranging from 0.80 to 0.83 - a consistent structural relationship.

Return for Risk

SASMX vs. NEAIX — Risk / Return Rank

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

SASMX

SASMX Risk / Return Rank: 22
SASMX Sharpe Ratio Rank: 20
SASMX Sortino Ratio Rank: 19
SASMX Omega Ratio Rank: 19
SASMX Calmar Ratio Rank: 25
SASMX Martin Ratio Rank: 28

NEAIX

NEAIX Risk / Return Rank: 93
NEAIX Sharpe Ratio Rank: 97
NEAIX Sortino Ratio Rank: 88
NEAIX Omega Ratio Rank: 84
NEAIX Calmar Ratio Rank: 97
NEAIX Martin Ratio Rank: 97

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.

SASMX vs. NEAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ClearBridge Small Cap Growth Fund (SASMX) and Needham Aggressive Growth Fund Institutional Class (NEAIX). 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.

	SASMX	NEAIX	Difference
Sharpe ratio Return per unit of total volatility	1.31	3.71	-2.39
Sortino ratio Return per unit of downside risk	1.86	4.22	-2.36
Omega ratio Gain probability vs. loss probability	1.23	1.57	-0.34
Calmar ratio Return relative to maximum drawdown	1.91	6.67	-4.77
Martin ratio Return relative to average drawdown	6.89	26.99	-20.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SASMX vs. NEAIX - Sharpe Ratio Comparison

The current SASMX Sharpe Ratio is 1.31, which is lower than the NEAIX Sharpe Ratio of 3.71. The chart below compares the historical Sharpe Ratios of SASMX and NEAIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SASMX	NEAIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.31	3.71	-2.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.09	0.95	-0.86
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.90	-0.47

Drawdowns

SASMX vs. NEAIX - Drawdown Comparison

The maximum SASMX drawdown since its inception was -54.81%, which is greater than NEAIX's maximum drawdown of -35.93%. Use the drawdown chart below to compare losses from any high point for SASMX and NEAIX.

Drawdown Indicators

	SASMX	NEAIX	Difference
Max Drawdown Largest peak-to-trough decline	-54.81%	-35.93%	-18.88%
Max Drawdown (1Y) Largest decline over 1 year	-13.85%	-13.98%	+0.13%
Max Drawdown (3Y) Largest decline over 3 years	-26.25%	-28.21%	+1.96%
Max Drawdown (5Y) Largest decline over 5 years	-42.19%	-35.93%	-6.26%
Max Drawdown (10Y) Largest decline over 10 years	-42.19%	—	—
Current Drawdown Current decline from peak	-1.18%	-0.07%	-1.11%
Average Drawdown Average peak-to-trough decline	-14.09%	-8.60%	-5.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.83%	3.46%	+0.37%

Volatility

SASMX vs. NEAIX - Volatility Comparison

The current volatility for ClearBridge Small Cap Growth Fund (SASMX) is 5.64%, while Needham Aggressive Growth Fund Institutional Class (NEAIX) has a volatility of 9.80%. This indicates that SASMX experiences smaller price fluctuations and is considered to be less risky than NEAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SASMX	NEAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.64%	9.80%	-4.16%
Volatility (6M) Calculated over the trailing 6-month period	15.87%	20.25%	-4.38%
Volatility (1Y) Calculated over the trailing 1-year period	20.40%	25.68%	-5.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.60%	24.54%	+0.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.84%	24.58%	-0.74%

SASMX vs. NEAIX - Expense Ratio Comparison

SASMX has a 1.16% expense ratio, which is lower than NEAIX's 1.20% expense ratio.

Dividends

SASMX vs. NEAIX - Dividend Comparison

SASMX's dividend yield for the trailing twelve months is around 18.14%, more than NEAIX's 1.30% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NEAIX Needham Aggressive Growth Fund Institutional Class	1.30%	2.01%	0.00%	0.00%	0.00%	6.84%	3.80%	10.42%	16.35%	5.14%	0.00%	0.00%
SASMX ClearBridge Small Cap Growth Fund	18.14%	20.31%	17.01%	0.43%	0.00%	11.84%	7.04%	7.62%	15.70%	3.55%	3.01%	1.26%

Frequently Asked Questions

Can I hold both SASMX and NEAIX in my portfolio?

SASMX and NEAIX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SASMX or NEAIX?

NEAIX has higher volatility (9.80%) compared to SASMX (5.64%). In terms of maximum drawdown, SASMX dropped -54.81% vs NEAIX's -35.93%.

Which has better risk-adjusted returns?

NEAIX currently has the higher Sharpe Ratio (3.71 vs 1.31), 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.