PRNHX vs. NEEGX
PRNHX (T. Rowe Price New Horizons Fund) and NEEGX (Needham Growth Fund) are both Mid Cap Growth Equities funds. Over the past 10 years, PRNHX returned 13.63%/yr vs 14.06%/yr for NEEGX. Their correlation of 0.85 means they have usually moved in the same direction. PRNHX charges 0.79%/yr vs 1.78%/yr for NEEGX.
Performance
PRNHX vs. NEEGX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PRNHX achieves a 10.69% return, which is significantly lower than NEEGX's 34.50% return. Both investments have delivered pretty close results over the past 10 years, with PRNHX having a 13.63% annualized return and NEEGX not far ahead at 14.06%.
PRNHX
- 1D
- 2.25%
- 1M
- -4.46%
- 6M
- 5.43%
- YTD
- 10.69%
- 1Y
- 20.07%
- 3Y*
- 7.63%
- 5Y*
- -1.40%
- 10Y*
- 13.63%
- ALL TIME*
- 9.94%
NEEGX
- 1D
- 5.86%
- 1M
- -10.02%
- 6M
- 17.12%
- YTD
- 34.50%
- 1Y
- 51.33%
- 3Y*
- 16.90%
- 5Y*
- 8.81%
- 10Y*
- 14.06%
- ALL TIME*
- 12.59%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
NEEGX Needham Growth Fund | $0.00 | $0.00 | $0.00 |
| $0.00 | $0.00 | $0.00 |
PRNHX vs. NEEGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRNHX T. Rowe Price New Horizons Fund | 10.69% | 3.27% | 8.80% | 21.35% | -36.96% | 9.96% | 58.05% | 56.50% | 3.79% | 31.59% |
NEEGX Needham Growth Fund | 34.50% | 8.76% | 14.45% | 26.85% | -33.57% | 27.63% | 41.73% | 42.33% | -10.56% | 8.33% |
Correlation
The correlation between PRNHX and NEEGX is 0.90, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.90 |
Correlation (3Y) Balances recent behavior with more history. | 0.81 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.83 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.82 |
Correlation (All Time) Calculated using the full available price history since Dec 26, 1995 | 0.85 |
The correlation between PRNHX and NEEGX has been stable across timeframes, ranging from 0.81 to 0.90 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PRNHX vs. NEEGX — Risk / Return Rank
PRNHX
NEEGX
PRNHX vs. NEEGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price New Horizons Fund (PRNHX) and Needham Growth Fund (NEEGX). 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.
| PRNHX | NEEGX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.61 | ||
| Sortino ratioReturn per unit of downside risk | -0.69 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.24 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.32 | 2.00 | -0.67 |
| Martin ratioReturn relative to average drawdown | 4.65 | 8.32 | -3.67 |
Loading charts...
Drawdowns
PRNHX vs. NEEGX - Drawdown Comparison
The maximum PRNHX drawdown since its inception was -70.96%, which is greater than NEEGX's maximum drawdown of -53.60%. Use the drawdown chart below to compare losses from any high point for PRNHX and NEEGX.
Loading charts...
Drawdown Indicators
| PRNHX | NEEGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -70.96% | -53.60% | -17.36% |
Max Drawdown (1Y)Largest decline over 1 year | -13.12% | -23.15% | +10.03% |
Max Drawdown (3Y)Largest decline over 3 years | -26.65% | -38.66% | +12.01% |
Max Drawdown (5Y)Largest decline over 5 years | -48.37% | -43.35% | -5.02% |
Max Drawdown (10Y)Largest decline over 10 years | -48.37% | -43.35% | -5.02% |
Current DrawdownCurrent decline from peak | -14.73% | -18.65% | +3.92% |
Average DrawdownAverage peak-to-trough decline | -18.36% | -10.88% | -7.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.73% | 5.68% | -1.95% |
Volatility
PRNHX vs. NEEGX - Volatility Comparison
The current volatility for T. Rowe Price New Horizons Fund (PRNHX) is 5.67%, while Needham Growth Fund (NEEGX) has a volatility of 12.98%. This indicates that PRNHX experiences smaller price fluctuations and is considered to be less risky than NEEGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PRNHX | NEEGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.67% | 12.98% | -7.31% |
Volatility (6M)Calculated over the trailing 6-month period | 17.83% | 26.85% | -9.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.50% | 32.47% | -10.97% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.93% | 29.42% | -4.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.96% | 25.90% | -2.94% |
PRNHX vs. NEEGX - Expense Ratio Comparison
PRNHX has a 0.79% expense ratio, which is lower than NEEGX's 1.78% expense ratio.
Dividends
PRNHX vs. NEEGX - Dividend Comparison
PRNHX's dividend yield for the trailing twelve months is around 10.71%, more than NEEGX's 5.63% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
NEEGX Needham Growth Fund | 5.63% | 7.57% | 3.92% | 0.00% | 1.78% | 6.92% | 5.73% | 11.31% | 17.79% | 9.70% | 4.22% | 6.74% |
PRNHX T. Rowe Price New Horizons Fund | 10.71% | 11.85% | 9.82% | 0.00% | 4.72% | 17.09% | 13.67% | 23.46% | 13.94% | 8.27% | 5.77% | 7.72% |
Frequently Asked Questions
PRNHX and NEEGX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
NEEGX has higher volatility (12.98%) compared to PRNHX (5.67%). In terms of maximum drawdown, PRNHX dropped -70.96% vs NEEGX's -53.60%.
NEEGX currently has the higher Sharpe Ratio (1.42 vs 0.81), 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.
Find the right allocation for PRNHX and NEEGX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer