NEAGX vs. ADNPX

Last updated Aug 4, 2026

NEAGX (Needham Aggressive Growth Fund Retail Class) and ADNPX (American Beacon ARK Transformational Innovation Fund) are both mutual funds - NEAGX is a Small Cap Growth Equities fund actively managed by Needham, while ADNPX is a Mid Cap Growth Equities fund managed by American Beacon. Over the past 5 years, NEAGX returned 17.37%/yr vs -9.13%/yr for ADNPX. Their 0.72 correlation means they have sometimes moved together and sometimes differently. NEAGX charges 1.64%/yr vs 1.39%/yr for ADNPX.

Performance

NEAGX vs. ADNPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Needham Aggressive Growth Fund Retail Class (NEAGX) and American Beacon ARK Transformational Innovation Fund (ADNPX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, NEAGX achieves a 33.20% return, which is significantly higher than ADNPX's -6.40% return.

NEAGX

• 1D: 0.99%
• 1M: -11.25%
• 6M: 19.05%
• YTD: 33.20%
• 1Y: 50.65%
• 3Y*: 24.73%
• 5Y*: 17.37%
• 10Y*: 19.85%
• ALL TIME*: 12.98%

ADNPX

• 1D: -2.43%
• 1M: -13.02%
• 6M: -3.21%
• YTD: -6.40%
• 1Y: 1.31%
• 3Y*: 13.33%
• 5Y*: -9.13%
• 10Y*: —
• ALL TIME*: 12.72%

*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)
ADNPX American Beacon ARK Transformational Innovation Fund	$0.00	$0.00	$0.00
NEAGX Needham Aggressive Growth Fund Retail Class	$0.00	$0.00	$0.00

NEAGX vs. ADNPX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
NEAGX Needham Aggressive Growth Fund Retail Class	33.20%	26.40%	14.31%	37.65%	-27.53%	37.56%	51.53%	43.82%	-16.09%	9.38%
ADNPX American Beacon ARK Transformational Innovation Fund	-6.40%	35.66%	8.19%	67.46%	-66.37%	-22.90%	147.19%	31.93%	-3.50%	65.99%

Correlation

The correlation between NEAGX and ADNPX is 0.67, 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.	0.67
Correlation (3Y) Balances recent behavior with more history.	0.71
Correlation (5Y) Shows whether the relationship held over a longer period.	0.72
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017	0.72

The correlation between NEAGX and ADNPX has been stable across timeframes, ranging from 0.67 to 0.72 - a consistent structural relationship.

Return for Risk

NEAGX vs. ADNPX — Risk / Return Rank

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

NEAGX

NEAGX Risk / Return Rank: 53
NEAGX Sharpe Ratio Rank: 58
NEAGX Sortino Ratio Rank: 48
NEAGX Omega Ratio Rank: 46
NEAGX Calmar Ratio Rank: 49
NEAGX Martin Ratio Rank: 61

ADNPX

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

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.

NEAGX vs. ADNPX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Needham Aggressive Growth Fund Retail Class (NEAGX) and American Beacon ARK Transformational Innovation Fund (ADNPX). 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.

	NEAGX	ADNPX	Difference
Sharpe ratio: Return per unit of total volatility	1.55	-0.11	+1.67
Sortino ratio: Return per unit of downside risk	2.04	0.09	+1.94
Omega ratio: Gain probability vs. loss probability	1.26	1.01	+0.25
Calmar ratio: Return relative to maximum drawdown	1.99	-0.13	+2.12
Martin ratio: Return relative to average drawdown	8.42	-0.29	+8.70

NEAGX vs. ADNPX - Sharpe Ratio Comparison

The current NEAGX Sharpe Ratio is 1.55, which is higher than the ADNPX Sharpe Ratio of -0.11. The chart below compares the historical Sharpe Ratios of NEAGX and ADNPX, 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

NEAGX vs. ADNPX - Drawdown Comparison

The maximum NEAGX drawdown since its inception was -41.80%, smaller than the maximum ADNPX drawdown of -79.98%. Use the drawdown chart below to compare losses from any high point for NEAGX and ADNPX.

Drawdown Indicators

	NEAGX	ADNPX	Difference
Max Drawdown Largest peak-to-trough decline	-41.80%	-79.98%	+38.18%
Max Drawdown (1Y) Largest decline over 1 year	-24.12%	-30.04%	+5.92%
Max Drawdown (3Y) Largest decline over 3 years	-28.49%	-38.99%	+10.50%
Max Drawdown (5Y) Largest decline over 5 years	-36.31%	-75.82%	+39.51%
Max Drawdown (10Y) Largest decline over 10 years	-36.31%	—	—
Current Drawdown Current decline from peak	-19.72%	-51.51%	+31.79%
Average Drawdown Average peak-to-trough decline	-8.67%	-34.91%	+26.24%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.68%	14.10%	-8.42%

Volatility

NEAGX vs. ADNPX - Volatility Comparison

Needham Aggressive Growth Fund Retail Class (NEAGX) has a higher volatility of 12.98% compared to American Beacon ARK Transformational Innovation Fund (ADNPX) at 10.38%. This indicates that NEAGX's price experiences larger fluctuations and is considered to be riskier than ADNPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NEAGX	ADNPX	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.98%	10.38%	+2.60%
Volatility (6M) Calculated over the trailing 6-month period	26.28%	28.07%	-1.79%
Volatility (1Y) Calculated over the trailing 1-year period	30.85%	36.07%	-5.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.65%	45.38%	-19.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.70%	39.64%	-14.94%

NEAGX vs. ADNPX - Expense Ratio Comparison

NEAGX has a 1.64% expense ratio, which is higher than ADNPX's 1.39% expense ratio.

Dividends

NEAGX vs. ADNPX - Dividend Comparison

NEAGX's dividend yield for the trailing twelve months is around 1.61%, while ADNPX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ADNPX American Beacon ARK Transformational Innovation Fund	0.00%	0.00%	0.00%	0.00%	9.67%	31.49%	0.39%	3.31%	6.56%	3.64%	0.00%	0.00%
NEAGX Needham Aggressive Growth Fund Retail Class	1.61%	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 NEAGX and ADNPX in my portfolio?

NEAGX and ADNPX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, NEAGX or ADNPX?

NEAGX has higher volatility (12.98%) compared to ADNPX (10.38%). In terms of maximum drawdown, NEAGX dropped -41.80% vs ADNPX's -79.98%.

Which has better risk-adjusted returns?

NEAGX currently has the higher Sharpe Ratio (1.55 vs -0.11), 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.