NEAGX Performance — Needham Aggressive Growth Fund, Retail Class

Data updated: 2026-08-26

NEAGX returned +65.90% year to date and +89.22% over one year to Jun 2026. Annualised returns are +37.40% over 3 years and +22.73% over 5 years. The fund beat its US Small Growth category average: $100 invested three years ago grew to $259, against $156 for the category, and to $189 over one year, against $132. Volatility over the past three years was 25.16% a year. In the 12 months to Jun 2026 the fund took in a net $727.5M, and assets reached $2.61B.

NEAGX Growth of $100

What $100 invested in Needham Aggressive Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Small Growth category average over the same months.

PeriodNEAGXCategory average
1 year (Jul 2025 – Jun 2026)$189$132
3 years (Jul 2023 – Jun 2026)$259$156
5 years (Jul 2021 – Jun 2026)$278$127
Since data start (Jan 2020 – Jun 2026)$498$194

NEAGX Trailing Returns

Total returns to Jun 2026, from SEC N-PORT.

PeriodTotal return
YTD+65.90%
1 year+89.22%
3 years (annualised)+37.40%
5 years (annualised)+22.73%

NEAGX Annual Returns

Calendar-year total returns of Needham Aggressive Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jun)+65.90%
2025+26.51%
2024+14.32%
2023+37.65%
2022−27.52%
2021+37.53%
2020+51.38%

NEAGX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+10.6%+7.1%−5.6%+21.4%+12.6%+8.5%——————
2025+3.2%−6.3%−9.5%+0.8%+14.3%+10.0%+2.8%+3.0%+4.5%+6.2%−6.1%+3.4%
2024+2.5%+11.3%+3.9%−6.1%+7.2%−2.6%+1.9%−3.2%+0.6%−5.8%+9.7%−4.2%
2023+9.9%+0.9%−1.7%−6.9%+14.3%+9.7%+7.2%−5.4%−3.4%−7.0%+8.6%+9.2%
2022−13.2%−2.6%+0.8%−11.4%−1.0%−8.5%+13.7%−1.6%−9.4%+4.6%+5.0%−4.9%
2021+4.5%+3.2%−0.7%+1.7%+1.5%+7.0%+0.3%+2.3%−0.8%+7.5%+5.6%+0.6%
2020+0.4%−3.6%−13.6%+16.6%+7.8%+7.3%+11.9%+1.6%−3.2%−1.2%+15.9%+6.6%

NEAGX Risk

Risk measures from monthly returns over Jul 2023 – Jun 2026.

  • 3-year volatility (annualised): 25.16%
  • 3-year Sharpe ratio: 1.31 (vs 4.5% risk-free rate)
  • Best month: +21.37% (Apr 2026)
  • Worst month: −9.46% (Mar 2025)

NEAGX Fund Flows

Monthly money in and out of Needham Aggressive Growth Fund, from SEC Form N-PORT.

  • 12-month net flow: $727.5M
  • 12-month gross sales (incl. reinvestments): $1.1B
  • Sales ÷ redemptions: 2.99×
MonthSalesRedemptionsNet flow
Jun 2026$153.6M$54.9M$98.7M
May 2026$123.9M$53.1M$70.8M
Apr 2026$102.4M$35.4M$67.0M
Mar 2026$112.4M$32.7M$79.7M
Feb 2026$79.9M$30.2M$49.7M
Jan 2026$109.1M$34.1M$75.0M
Dec 2025$60.9M$17.3M$43.6M
Nov 2025$71.6M$31.8M$39.8M
Oct 2025$69.9M$18.5M$51.4M
Sep 2025$101.3M$19.3M$82.0M
Aug 2025$47.1M$13.7M$33.5M
Jul 2025$61.2M$24.9M$36.3M

NEAGX Assets Under Management

Net assets of Needham Aggressive Growth Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-06-30$2.61B
2026-03-31$1.57B
2025-12-31$1.22B
2025-09-30$1.08B
2025-06-30$829.73M
2025-03-31$665.12M
2024-12-31$816.71M
2024-09-30$846.03M
2024-06-30$807.49M
2024-03-31$666.80M
2023-12-31$397.27M
2023-09-30$291.62M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.