JAMFX — Jacob Internet Fund
Data updated: 2026-07-23
JAMFX — Jacob Internet Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Information Technology Equity · $44.44M AUM · 2.38% expense ratio · 0.8% 1-yr return. From SEC regulatory filings.
JAMFX Fund Overview
JAMFX — Jacob Internet Fund is a US mutual fund managed by Jacob Funds Inc., categorised as United States Information Technology Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Jacob Funds Inc.
- Category: United States Information Technology Equity
- Assets under management: $44.44M
- 1-year return: 0.8%
- Ticker: JAMFX
- SEC CIK: 0001090372
- SEC series ID: S000005257
- Share class ID: C000014360
JAMFX Holdings
Top 10 holdings of Jacob Internet Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| First American Government Obli | 7.43% |
| Snowflake Inc | 5.75% |
| MongoDB Inc | 4.97% |
| Circle Internet Group Inc | 4.96% |
| Robinhood Markets Inc | 4.92% |
| Coinbase Global Inc | 4.76% |
| DraftKings Inc | 4.10% |
| Powerfleet Inc NJ | 4.01% |
| Cloudflare Inc | 3.86% |
| Nextdoor Holdings Inc | 3.80% |
JAMFX Portfolio Allocation
Asset-class allocation of Jacob Internet Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 100.8% |
| Cash & Equivalents | 7.4% |
JAMFX Performance
Total returns for JAMFX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -11.3% |
| 1 year | 0.8% |
| 3 years (annualised) | 10.9% |
| 5 years (annualised) | -9.9% |
JAMFX Risk Information
Risk metrics for JAMFX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 30.8%
JAMFX Costs and Fees
JAMFX costs about $238 per $10,000 invested per year in fund expenses.
- Net expense ratio: 2.38%
- Gross expense ratio: 2.38%
- Portfolio turnover: 58%
- Brokerage commissions: 36.17 bps of average net assets (SEC N-CEN)
JAMFX Cashflows
Over the 12 months to 2026-02, Jacob Internet Fund had net outflows of $10.05M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$527.91K |
| 2026-01 | −$845.73K |
| 2025-12 | $467.23K |
| 2025-11 | −$568.17K |
| 2025-10 | −$2.26M |
| 2025-09 | −$798.23K |
JAMFX Debt Constituents
No individual debt constituents are reported in Jacob Internet Fund's latest SEC N-PORT filing.
JAMFX Prospectus and SEC Filings
Official Jacob Internet Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Information Technology Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.