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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in Needham Growth Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
Needham Growth Fund (NEEGX) has returned 10.46% so far this year and 43.28% over the past 12 months. Over the last decade, NEEGX has posted an annualized return of 12.22%, slightly higher than the S&P 500 Index benchmark’s 12.16%.
Needham Growth Fund
- 1D
- -3.44%
- 1M
- -10.09%
- YTD
- 10.46%
- 6M
- 15.76%
- 1Y
- 43.28%
- 3Y*
- 16.99%
- 5Y*
- 6.62%
- 10Y*
- 12.22%
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Dec 26, 1995, NEEGX's average daily return is +0.05%, while the average monthly return is +1.15%. At this rate, your investment would double in approximately 5.1 years.
Historically, 60% of months were positive and 40% were negative. The best month was Feb 2000 with a return of +27.6%, while the worst month was Aug 1998 at -19.8%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 6 months.
On a daily basis, NEEGX closed higher 53% of trading days. The best single day was Nov 14, 2000 with a return of +18.8%, while the worst single day was Dec 8, 1997 at -12.8%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 14.83% | 6.99% | -10.09% | 10.46% | |||||||||
| 2025 | 2.21% | -7.57% | -11.26% | -3.62% | 5.98% | 10.73% | 3.58% | -2.29% | 8.11% | 9.97% | -5.48% | 0.83% | 8.76% |
| 2024 | 5.58% | 16.30% | 4.86% | -7.05% | 5.66% | 1.16% | -1.85% | -1.91% | -0.07% | -6.49% | 3.78% | -4.16% | 14.45% |
| 2023 | 8.34% | -0.99% | 1.54% | -7.09% | 13.91% | 7.24% | 7.55% | -9.12% | -5.86% | -10.38% | 12.24% | 10.88% | 26.85% |
| 2022 | -12.75% | -2.38% | 0.93% | -14.26% | 2.29% | -11.46% | 13.32% | -3.50% | -12.59% | 3.58% | 6.88% | -5.97% | -33.57% |
| 2021 | 5.28% | 2.40% | -0.46% | 0.70% | -0.25% | 6.84% | 2.49% | 2.67% | -1.34% | 5.45% | 2.19% | -0.92% | 27.63% |
Benchmark Metrics
Needham Growth Fund has an annualized alpha of 4.90%, beta of 0.95, and R² of 0.66 versus S&P 500 Index. Calculated based on daily prices since December 27, 1995.
- This fund captured 123.06% of S&P 500 Index gains and 104.32% of its losses — amplifying both gains and losses, but participating more in upside than downside.
- This fund generated an annualized alpha of 4.90% versus S&P 500 Index — delivering returns beyond what market exposure alone would predict.
- With beta of 0.95 and R² of 0.66, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- 4.90%
- Beta
- 0.95
- R²
- 0.66
- Upside Capture
- 123.06%
- Downside Capture
- 104.32%
Expense Ratio
NEEGX has a high expense ratio of 1.78%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
NEEGX ranks 78 for risk / return — better than 78% of mutual funds on our site. You're getting solid returns for the risk taken. A good sign, especially for investors who want growth without excessive volatility.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Needham Growth Fund (NEEGX) and compare them to a chosen benchmark (S&P 500 Index).
| NEEGX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.34 | 0.90 | +0.44 |
Sortino ratioReturn per unit of downside risk | 1.91 | 1.39 | +0.52 |
Omega ratioGain probability vs. loss probability | 1.26 | 1.21 | +0.05 |
Calmar ratioReturn relative to maximum drawdown | 2.57 | 1.40 | +1.17 |
Martin ratioReturn relative to average drawdown | 8.49 | 6.61 | +1.89 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore NEEGX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
Needham Growth Fund provided a 6.85% dividend yield over the last twelve months, with an annual payout of $4.67 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $4.67 | $4.67 | $2.39 | $0.00 | $0.78 | $4.63 | $3.20 | $4.75 | $5.88 | $4.16 | $1.83 | $2.76 |
Dividend yield | 6.85% | 7.57% | 3.92% | 0.00% | 1.78% | 6.92% | 5.73% | 11.31% | 17.79% | 9.70% | 4.22% | 6.74% |
Monthly Dividends
The table displays the monthly dividend distributions for Needham Growth Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | |||||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.67 | $0.00 | $4.67 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $2.39 | $0.00 | $2.39 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.78 | $0.00 | $0.78 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $4.63 | $0.00 | $4.63 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Needham Growth Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Needham Growth Fund was 53.60%, occurring on Mar 9, 2009. Recovery took 420 trading sessions.
The current Needham Growth Fund drawdown is 11.71%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -53.6% | Jul 20, 2007 | 412 | Mar 9, 2009 | 420 | Nov 4, 2010 | 832 |
| -50.41% | Sep 5, 2000 | 525 | Oct 9, 2002 | 321 | Jan 20, 2004 | 846 |
| -43.35% | Nov 17, 2021 | 230 | Oct 14, 2022 | 346 | Mar 4, 2024 | 576 |
| -38.66% | Jul 17, 2024 | 183 | Apr 8, 2025 | 187 | Jan 6, 2026 | 370 |
| -32.57% | May 11, 2011 | 101 | Oct 3, 2011 | 345 | Feb 19, 2013 | 446 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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