VEXPX vs. NESIX
Compare and contrast key facts about Vanguard Explorer Fund Investor Shares (VEXPX) and Needham Small Cap Growth Fund Institutional (NESIX).
VEXPX is managed by Vanguard. It was launched on Dec 11, 1967. NESIX is managed by Needham. It was launched on Dec 30, 2016.
Performance
VEXPX vs. NESIX - Performance Comparison
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VEXPX vs. NESIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VEXPX Vanguard Explorer Fund Investor Shares | -3.76% | 7.08% | 17.25% | 19.78% | -23.32% | 15.96% | 31.36% | 31.27% | -2.46% | 21.66% |
NESIX Needham Small Cap Growth Fund Institutional | 9.63% | 11.16% | 13.47% | 5.85% | -29.71% | 11.36% | 73.06% | 55.28% | -4.87% | 12.63% |
Returns By Period
In the year-to-date period, VEXPX achieves a -3.76% return, which is significantly lower than NESIX's 9.63% return.
VEXPX
- 1D
- -1.32%
- 1M
- -8.34%
- YTD
- -3.76%
- 6M
- -2.02%
- 1Y
- 13.16%
- 3Y*
- 10.59%
- 5Y*
- 3.84%
- 10Y*
- 11.62%
NESIX
- 1D
- -4.46%
- 1M
- -7.08%
- YTD
- 9.63%
- 6M
- 12.40%
- 1Y
- 48.73%
- 3Y*
- 11.47%
- 5Y*
- 1.26%
- 10Y*
- —
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VEXPX vs. NESIX - Expense Ratio Comparison
VEXPX has a 0.40% expense ratio, which is lower than NESIX's 1.18% expense ratio.
Return for Risk
VEXPX vs. NESIX — Risk / Return Rank
VEXPX
NESIX
VEXPX vs. NESIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Explorer Fund Investor Shares (VEXPX) and Needham Small Cap Growth Fund Institutional (NESIX). 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.
| VEXPX | NESIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.58 | 1.34 | -0.76 |
Sortino ratioReturn per unit of downside risk | 0.97 | 1.91 | -0.94 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.25 | -0.12 |
Calmar ratioReturn relative to maximum drawdown | 0.73 | 2.44 | -1.70 |
Martin ratioReturn relative to average drawdown | 3.09 | 8.21 | -5.13 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VEXPX | NESIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.58 | 1.34 | -0.76 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.18 | 0.04 | +0.14 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.54 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.53 | -0.03 |
Correlation
The correlation between VEXPX and NESIX is 0.85, 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
VEXPX vs. NESIX - Dividend Comparison
VEXPX's dividend yield for the trailing twelve months is around 7.67%, while NESIX has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VEXPX Vanguard Explorer Fund Investor Shares | 7.67% | 7.38% | 12.59% | 0.79% | 5.09% | 16.00% | 6.64% | 4.97% | 10.95% | 11.46% | 4.49% | 10.71% |
NESIX Needham Small Cap Growth Fund Institutional | 0.00% | 0.00% | 0.00% | 0.00% | 3.93% | 23.92% | 13.26% | 8.25% | 21.96% | 8.89% | 0.00% | 0.00% |
Drawdowns
VEXPX vs. NESIX - Drawdown Comparison
The maximum VEXPX drawdown since its inception was -57.40%, which is greater than NESIX's maximum drawdown of -49.61%. Use the drawdown chart below to compare losses from any high point for VEXPX and NESIX.
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Drawdown Indicators
| VEXPX | NESIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.40% | -49.61% | -7.79% |
Max Drawdown (1Y)Largest decline over 1 year | -14.15% | -17.25% | +3.10% |
Max Drawdown (5Y)Largest decline over 5 years | -32.71% | -49.61% | +16.90% |
Max Drawdown (10Y)Largest decline over 10 years | -39.87% | — | — |
Current DrawdownCurrent decline from peak | -10.18% | -9.15% | -1.03% |
Average DrawdownAverage peak-to-trough decline | -12.95% | -15.27% | +2.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.36% | 5.12% | -1.76% |
Volatility
VEXPX vs. NESIX - Volatility Comparison
The current volatility for Vanguard Explorer Fund Investor Shares (VEXPX) is 6.37%, while Needham Small Cap Growth Fund Institutional (NESIX) has a volatility of 10.99%. This indicates that VEXPX experiences smaller price fluctuations and is considered to be less risky than NESIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VEXPX | NESIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.37% | 10.99% | -4.62% |
Volatility (6M)Calculated over the trailing 6-month period | 12.63% | 22.90% | -10.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 21.98% | 35.06% | -13.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.26% | 29.10% | -7.84% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.78% | 26.30% | -4.52% |