- ISIN
- US4697856049
- CUSIP
- 469785604
- Issuer
- Jacob
- Inception Date
- Dec 12, 1999
- Category
- Technology Equities
- Min. Investment
- $2,500
- Distribution Policy
- Distributing
- Asset Class
- Equity
- Asset Class Size
- Small-Cap
- Asset Class Style
- Growth
Share Price Chart
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Performance
JAMFX Performance Chart
Jacob Internet Fund (JAMFX) is down 18.2% since the beginning of the year. JAMFX is currently trading at $5 per share. Investors who bought $1,000 worth of JAMFX shares 5 years ago would now be looking at an investment worth $552.
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Compare this symbol against anything
Returns By Period
Jacob Internet Fund (JAMFX) has returned -18.22% so far this year and -16.50% over the past 12 months. Over the last ten years, JAMFX has returned 8.15% per year, falling short of the S&P 500 Index benchmark, which averaged 13.26% annually.
Jacob Internet Fund
- 1D
- 1.14%
- 1M
- -6.48%
- 6M
- -8.72%
- YTD
- -18.22%
- 1Y
- -16.50%
- 3Y*
- 4.38%
- 5Y*
- -11.21%
- 10Y*
- 8.15%
- ALL TIME*
- 0.79%
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%
JAMFX Monthly Returns History
Based on dividend-adjusted daily data since Dec 13, 1999, JAMFX's average daily return is +0.03%, while the average monthly return is +0.56%. At this rate, an investment would double in approximately 10.3 years.
Historically, 57% of months were positive and 43% were negative. The best month was Oct 2002 with a return of +32.0%, while the worst month was Mar 2001 at -33.7%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 6 months.
On a daily basis, JAMFX closed higher 48% of trading days. The best single day was Apr 18, 2000 with a return of +17.8%, while the worst single day was Apr 14, 2000 at -19.5%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -10.41% | -13.33% | -5.33% | 8.75% | 10.92% | -4.32% | -3.61% | -18.22% | |||||
| 2025 | 6.09% | -0.32% | -12.16% | -1.28% | 8.49% | 10.54% | 4.15% | 11.23% | 0.93% | -1.32% | -10.13% | -0.77% | 13.17% |
| 2024 | -6.00% | 8.23% | 1.52% | -10.11% | -2.92% | -1.50% | 4.79% | -2.70% | 2.99% | 2.70% | 20.81% | -1.17% | 14.31% |
| 2023 | 16.41% | -4.03% | -1.17% | -6.84% | 9.87% | 5.76% | 4.79% | -10.60% | -8.60% | -7.38% | 18.13% | 20.23% | 34.64% |
| 2022 | -20.13% | 1.72% | -4.93% | -19.65% | -11.21% | -16.83% | 15.86% | -3.97% | -14.67% | 0.97% | 1.68% | -9.43% | -59.54% |
| 2021 | 8.78% | 21.02% | -1.93% | -3.85% | -4.28% | 7.19% | -7.43% | 4.11% | -1.60% | 11.38% | -12.27% | -4.35% | 12.88% |
Benchmark Metrics
Jacob Internet Fund has an annualized alpha of -3.51%, beta of 1.26, and R2 of 0.50 versus S&P 500 Index. Calculated based on daily prices since December 13, 1999.
- This fund captured 159.71% of S&P 500 Index gains and 159.53% of its losses - amplifying both gains and losses, but participating more in upside than downside.
- This fund had an annualized alpha of -3.51% versus S&P 500 Index - delivering less than market exposure alone would predict.
- Alpha
- -3.51%
- Beta
- 1.26
- R²
- 0.50
- Upside Capture
- 159.71%
- Downside Capture
- 159.53%
Expense Ratio
JAMFX has a high expense ratio of 2.02%, indicating above-average management fees.
Return for Risk
Risk / Return Rank
JAMFX ranks 1 for risk / return — above 1% of mutual funds peers on PortfoliosLab. Its historical combined result is below most peers; review the five component ranks for context.
Risk / Return Metrics
The table below present risk-adjusted performance metrics for Jacob Internet Fund (JAMFX) 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.
| JAMFX | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.06 | ||
| Sortino ratioReturn per unit of downside risk | -2.74 | ||
| Omega ratioGain probability vs. loss probability | 0.91 | 1.25 | -0.34 |
| Calmar ratioReturn relative to maximum drawdown | -0.51 | 2.00 | -2.51 |
| Martin ratioReturn relative to average drawdown | -0.86 | 8.49 | -9.35 |
Dividends
Dividend History
Jacob Internet Fund provided a 3.01% dividend yield over the last twelve months, with an annual payout of $0.16 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.16 | $0.16 | $0.00 | $0.00 | $0.00 | $0.29 | $1.19 | $0.57 | $0.37 | $0.56 | $0.20 | $0.49 |
Dividend yield | 3.01% | 2.46% | 0.00% | 0.00% | 0.00% | 3.07% | 13.77% | 12.76% | 8.77% | 12.56% | 4.94% | 12.97% |
Monthly Dividends
The table displays the monthly dividend distributions for Jacob Internet 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 | $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 | $0.00 | $0.16 | $0.16 |
| 2024 | $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 |
| 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 | $0.00 | $0.00 | $0.00 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.29 | $0.29 |
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 Jacob Internet 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 Jacob Internet Fund was 96.46%, occurring on Oct 9, 2002. Recovery took 4487 trading sessions.
The current Jacob Internet Fund drawdown is 54.42%.
Drawdown | Fall | Recovery | Underwater | Related event |
|---|---|---|---|---|
-96.46%Oct 2002 | 2y 7mo | 17y 10mo | 20y 5moMar 2000 - Aug 2020 | Dot-com crash2000–2002 |
-70.50%Nov 2022 | 1y 8mo | — | 5y 5moFeb 2021 - now | Bear market2022 |
-12.29%Jan 2000 | 8d | 27d | 1mo 5dJan 2000 - Feb 2000 | — |
-11.62%Feb 2000 | 13d | 10d | 23dFeb 2000 - Mar 2000 | — |
-11.01%Oct 2020 | 16d | 7d | 23dOct 2020 - Nov 2020 | — |
Drawdown Indicators
| JAMFX | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.46% | -56.78% | -39.68% |
Max Drawdown (1Y)Largest decline over 1 year | -40.83% | -9.10% | -31.73% |
Max Drawdown (3Y)Largest decline over 3 years | -40.83% | -18.90% | -21.93% |
Max Drawdown (5Y)Largest decline over 5 years | -70.01% | -25.43% | -44.58% |
Max Drawdown (10Y)Largest decline over 10 years | -70.50% | -33.92% | -36.58% |
Current DrawdownCurrent decline from peak | -54.42% | -1.58% | -52.84% |
Average DrawdownAverage peak-to-trough decline | -63.93% | -10.70% | -53.23% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 24.10% | 2.14% | +21.96% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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