# EDGAR Filing Document

**Accession Number:** 0001090372
**File Stem:** 0000894189-26-000625
**Filing Date:** 2026-1
**Character Count:** 3420
**Document Hash:** 3ca593b9c6b0e8e500c2c9301e2f7572
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-26-000625.hdr.sgml**: 20260116

**ACCESSION NUMBER**: 0000894189-26-000625

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260116

**DATE AS OF CHANGE**: 20260116

**EFFECTIVENESS DATE**: 20260116

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Jacob Funds Inc.
- **CENTRAL INDEX KEY:** 0001090372

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-82865
- **FILM NUMBER:** 26540315

**BUSINESS ADDRESS:**
- **STREET 1:** 727 2ND STREET, #106
- **CITY:** HERMOSA BEACH
- **STATE:** CA
- **ZIP:** 90254
- **BUSINESS PHONE:** 310-421-4942

**MAIL ADDRESS:**
- **STREET 1:** 727 2ND STREET, #106
- **CITY:** HERMOSA BEACH
- **STATE:** CA
- **ZIP:** 90254

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** JACOB INTERNET FUND INC
- **DATE OF NAME CHANGE:** 20060106

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** JACOB INTERNET FUND
- **DATE OF NAME CHANGE:** 20060106

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** JACOB INTERNET FUND INC
- **DATE OF NAME CHANGE:** 19990713

## Series and Classes Contracts Data

### Jacob Internet Fund (Series ID: S000005257)

---

|  |  |  |
|:---|:---|:---|
| Class Name     | Ticker Symbol | Class ID   |
| Investor Class | JAMFX         | C000014360 |

---

### Jacob Small Cap Growth Fund (Series ID: S000027365)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | JSCGX         | C000082574 |
| Institutional Class | JSIGX         | C000119840 |

---

### Jacob Discovery Fund (Series ID: S000038991)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Investor Class      | JMCGX         | C000119838 |
| Institutional Class | JMIGX         | C000119839 |

---

## Series and Classes Contracts Data

### Jacob Internet Fund (Series ID: S000005257)

| Class ID   | Class Name     | Ticker Symbol   |
|:---|:---|:---|
| C000014360 | Investor Class | JAMFX           |

### Jacob Small Cap Growth Fund (Series ID: S000027365)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000082574 | Investor Class      | JSCGX           |
| C000119840 | Institutional Class | JSIGX           |

### Jacob Discovery Fund (Series ID: S000038991)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000119838 | Investor Class      | JMCGX           |
| C000119839 | Institutional Class | JMIGX           |

Filed Pursuant to Rule 497(e)

Registration No. 333-82865; 811-09447

**Jacob Internet Fund**

---

| | |
|:---|:---|
| **Investor Class** | **JAMFX** |

---

**Jacob Small Cap Growth Fund**

---

| | |
|:---|:---|
| **Investor Class** | **JSCGX** |
| **Institutional Class** | **JSIGX** |

---

**Jacob Discovery Fund**

---

| | |
|:---|:---|
| **Investor Class** | **JMCGX** |
| **Institutional Class** | **JMIGX** |

---

(Each a "Fund," together, the "Jacob Funds")

**Supplement dated January 16, 2026 to the**

**Statement of Additional Information ("SAI") dated January 5, 2026**

Effective immediately, Hayden Cook has assumed the role of secretary and treasurer of the Jacob Funds.

**Please retain this supplement with your SAI for reference.**

<br>