JSIGX Performance — Jacob Small Cap Growth Fund, Institutional Class
Data updated: 2026-10-14
JSIGX returned −20.51% year to date and +19.19% over one year to May 2026. Annualised returns are +13.45% over 3 years and −7.97% over 5 years. The fund trailed its US Small Growth category average: $100 invested three years ago grew to $146, against $157 for the category, and to $119 over one year, against $130. Volatility over the past three years was 31.61% a year. In the 12 months to May 2026 the fund took in a net $89K, and assets reached $8.15M.
JSIGX Growth of $100
What $100 invested in Jacob Small Cap 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.
| Period | JSIGX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $119 | $130 |
| 3 years (Jun 2023 – May 2026) | $146 | $157 |
| 5 years (Jun 2021 – May 2026) | $66 | $124 |
| Since data start (Mar 2020 – May 2026) | $130 | $196 |
JSIGX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −20.51% |
| 1 year | +19.19% |
| 3 years (annualised) | +13.45% |
| 5 years (annualised) | −7.97% |
JSIGX Annual Returns
Calendar-year total returns of Jacob Small Cap Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | −20.51% |
| 2025 | +42.03% |
| 2024 | +13.19% |
| 2023 | +19.07% |
| 2022 | −50.21% |
| 2021 | −0.58% |
| 2020 (Mar–Dec) | +72.01% |
JSIGX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | −11.7% | −7.7% | −10.9% | +11.1% | −1.4% | — | — | — | — | — | — | — |
| 2025 | +1.7% | +3.9% | −10.8% | −3.1% | +3.7% | +8.9% | +8.9% | +15.9% | +2.6% | +2.0% | +0.6% | +3.7% |
| 2024 | −6.7% | +10.7% | +0.2% | −12.9% | +7.4% | −1.6% | +7.8% | −1.0% | +0.8% | −1.0% | +15.7% | −3.5% |
| 2023 | +12.4% | −3.6% | −4.0% | +0.2% | 0.0% | +6.0% | +6.5% | −11.2% | −12.3% | −9.0% | +14.7% | +24.5% |
| 2022 | −19.6% | +2.6% | −4.3% | −21.3% | −11.9% | −12.0% | +9.8% | +1.7% | −4.3% | +3.8% | −0.3% | −6.5% |
| 2021 | +10.8% | +10.4% | +0.3% | −3.6% | −3.5% | +5.3% | −9.3% | +6.1% | −6.5% | +9.2% | −9.7% | −6.8% |
| 2020 | — | — | −27.7% | +23.2% | +6.0% | +10.3% | +1.2% | +16.4% | −1.4% | +0.9% | +26.0% | +11.6% |
JSIGX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 31.61%
- 3-year Sharpe ratio: 0.28 (vs 4.5% risk-free rate)
- Best month: +24.51% (Dec 2023)
- Worst month: −12.93% (Apr 2024)
JSIGX Fund Flows
Monthly money in and out of Jacob Small Cap Growth Fund, from SEC Form N-PORT.
- 12-month net flow: $89K
- 12-month gross sales (incl. reinvestments): $4.9M
- Sales ÷ redemptions: 1.02×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $214K | $194K | $20K |
| Apr 2026 | $88K | $172K | −$84K |
| Mar 2026 | $25K | $325K | −$299K |
| Feb 2026 | $71K | $662K | −$591K |
| Jan 2026 | $438K | $1.8M | −$1.3M |
| Dec 2025 | $531K | $380K | $151K |
| Nov 2025 | $73K | $307K | −$234K |
| Oct 2025 | $1.6M | $464K | $1.1M |
| Sep 2025 | $1.0M | $195K | $854K |
| Aug 2025 | $316K | $177K | $138K |
| Jul 2025 | $498K | $89K | $410K |
| Jun 2025 | $15K | $79K | −$64K |
JSIGX Assets Under Management
Net assets of Jacob Small Cap Growth Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-08-31 | $8.15M |
| 2026-05-31 | $8.28M |
| 2026-02-28 | $8.91M |
| 2025-11-30 | $12.37M |
| 2025-08-31 | $10.07M |
| 2025-05-31 | $6.93M |
| 2025-02-28 | $8.12M |
| 2024-11-30 | $7.89M |
| 2024-08-31 | $7.01M |
| 2024-05-31 | $7.00M |
| 2024-02-29 | $8.08M |
| 2023-11-30 | $6.37M |
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.