- CUSIP
- 63983V407
- Issuer
- Needham
- Inception Date
- Dec 30, 2016
- Region
- North America (United States)
- Category
- Mid Cap Growth Equities
- Leveraged
- 1x (No leverage)
- Min. Investment
- $100,000
- Index Tracked
- No Index (Active)
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Mid-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
NEEIX Performance Chart
Needham Growth Fund Institutional Class (NEEIX) is up 34.8% since the beginning of the year. NEEIX is currently trading at $88 per share. Investors who bought $1,000 worth of NEEIX shares 5 years ago would now be looking at an investment worth $1,618.
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Returns By Period
Needham Growth Fund Institutional Class (NEEIX) has returned 34.81% so far this year and 52.00% over the past 12 months.
Needham Growth Fund Institutional Class
- 1D
- 5.86%
- 1M
- -9.99%
- 6M
- 17.35%
- YTD
- 34.81%
- 1Y
- 52.00%
- 3Y*
- 18.86%
- 5Y*
- 10.10%
- 10Y*
- —
- ALL TIME*
- 14.98%
Benchmark (S&P 500 Index)
- 1D
- 0.70%
- 1M
- 0.09%
- 6M
- 7.94%
- YTD
- 9.41%
- 1Y
- 20.07%
- 3Y*
- 17.84%
- 5Y*
- 11.25%
- 10Y*
- 13.26%
- ALL TIME*
- 8.09%
NEEIX Monthly Returns History
Based on dividend-adjusted daily data since Jan 3, 2017, NEEIX's average daily return is +0.07%, while the average monthly return is +1.41%. At this rate, an investment would double in approximately 4.1 years.
Historically, 60% of months were positive and 40% were negative. The best month was Apr 2026 with a return of +17.7%, while the worst month was Jul 2026 at -18.6%. The longest winning streak lasted 5 consecutive months, and the longest losing streak was 4 months.
On a daily basis, NEEIX closed higher 53% of trading days. The best single day was Apr 9, 2025 with a return of +13.3%, while the worst single day was Mar 16, 2020 at -11.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 14.87% | 7.02% | -5.81% | 17.70% | 11.34% | 9.15% | -18.62% | 34.81% | |||||
| 2025 | 2.25% | -7.53% | -11.23% | -3.56% | 6.03% | 10.77% | 3.64% | -2.25% | 8.15% | 10.00% | -5.42% | 0.88% | 9.32% |
| 2024 | 5.62% | 16.31% | 4.89% | -7.03% | 5.69% | 1.18% | -1.79% | -1.88% | -0.03% | -6.47% | 7.73% | -4.11% | 19.26% |
| 2023 | 8.35% | -0.96% | 1.59% | -7.07% | 13.96% | 7.29% | 7.58% | -9.10% | -5.84% | -10.34% | 12.25% | 10.91% | 27.30% |
| 2022 | -12.71% | -2.37% | 0.99% | -14.22% | 2.33% | -11.42% | 13.37% | -3.45% | -12.53% | 3.59% | 6.92% | -5.94% | -33.26% |
| 2021 | 5.32% | 2.42% | -0.44% | 0.73% | -0.21% | 6.88% | 2.51% | 2.71% | -1.31% | 5.47% | 2.23% | -0.88% | 28.13% |
Benchmark Metrics
Needham Growth Fund Institutional Class has an annualized alpha of 0.47%, beta of 1.19, and R2 of 0.69 versus S&P 500 Index. Calculated based on daily prices since January 03, 2017.
- This fund captured 127.02% of S&P 500 Index gains and 121.01% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- Alpha
- 0.47%
- Beta
- 1.19
- R²
- 0.69
- Upside Capture
- 127.02%
- Downside Capture
- 121.01%
Expense Ratio
NEEIX has a high expense ratio of 1.21%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
NEEIX ranks 50 for risk / return — above 50% of mutual funds peers on PortfoliosLab. Its historical combined result is near the middle of the peer group.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for Needham Growth Fund Institutional Class (NEEIX) and compare them to S&P 500 Index.
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.
| NEEIX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.03 | ||
| Sortino ratioReturn per unit of downside risk | -0.03 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.25 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.03 | 2.00 | +0.02 |
| Martin ratioReturn relative to average drawdown | 8.46 | 8.49 | -0.03 |
Dividends
Dividend History
Needham Growth Fund Institutional Class provided a 5.31% 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $4.67 | $4.67 | $4.78 | $0.00 | $0.78 | $4.63 | $3.20 | $4.75 | $5.88 | $4.16 |
Dividend yield | 5.31% | 7.16% | 7.48% | 0.00% | 1.72% | 6.70% | 5.58% | 11.09% | 17.58% | 9.64% |
Monthly Dividends
The table displays the monthly dividend distributions for Needham Growth Fund Institutional Class. 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 | $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 | $4.78 | $0.00 | $4.78 |
| 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 Institutional Class. 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 Institutional Class was 43.11%, occurring on Oct 14, 2022. Recovery took 335 trading sessions.
The current Needham Growth Fund Institutional Class drawdown is 18.62%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-43.11%Oct 2022 | 11mo 1d | 1y 4mo | 2y 3moNov 2021 - Feb 2024 | Bear market2022 |
-36.13%Apr 2025 | 8mo 25d | 6mo 24d | 1y 3moJul 2024 - Oct 2025 | 2025 selloff2025 |
-31.92%Mar 2020 | 2mo | 2mo 14d | 4mo 14dJan 2020 - Jun 2020 | COVID crash2020 |
-23.12%Jul 2026 | 28d | — | 1mo 2dJul 2026 - now | — |
-21.62%Dec 2018 | 5mo 17d | 4mo 1d | 9mo 18dJul 2018 - Apr 2019 | Rate-hike selloffLate 2018 |
Drawdown Indicators
| NEEIX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.11% | -56.78% | +13.67% |
Max Drawdown (1Y)Largest decline over 1 year | -23.12% | -9.10% | -14.02% |
Max Drawdown (3Y)Largest decline over 3 years | -36.13% | -18.90% | -17.23% |
Max Drawdown (5Y)Largest decline over 5 years | -43.11% | -25.43% | -17.68% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | -18.62% | -1.58% | -17.04% |
Average DrawdownAverage peak-to-trough decline | -10.82% | -10.70% | -0.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.66% | 2.14% | +3.52% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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