# EDGAR Filing Document

**Accession Number:** 0001002537
**File Stem:** 0000894189-23-000423
**Filing Date:** 2023-1
**Character Count:** 3459
**Document Hash:** fef8daa3ad21e98b366235f8760fa89f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-23-000423.hdr.sgml**: 20230124

**ACCESSION NUMBER**: 0000894189-23-000423

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230124

**DATE AS OF CHANGE**: 20230124

**EFFECTIVENESS DATE**: 20230124

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NEEDHAM FUNDS INC
- **CENTRAL INDEX KEY:** 0001002537
- **IRS NUMBER:** 133865553
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-98310
- **FILM NUMBER:** 23548034

**BUSINESS ADDRESS:**
- **STREET 1:** 250 PARK AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10177
- **BUSINESS PHONE:** 2123718300

**MAIL ADDRESS:**
- **STREET 1:** 250 PARK AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10177

## Series and Classes Contracts Data

### Needham Growth Fund (Series ID: S000003649)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Retail Class        | NEEGX         | C000010138 |
| Institutional Class | NEEIX         | C000176575 |

---

### Needham Aggressive Growth Fund (Series ID: S000003815)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Retail Class        | NEAGX         | C000010644 |
| Institutional Class | NEAIX         | C000176576 |

---

### Needham Small Cap Growth Fund (Series ID: S000003816)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Retail Class        | NESGX         | C000010645 |
| Institutional Class | NESIX         | C000176577 |

---

## Series and Classes Contracts Data

### Needham Growth Fund (Series ID: S000003649)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000010138 | Retail Class        | NEEGX           |
| C000176575 | Institutional Class | NEEIX           |

### Needham Aggressive Growth Fund (Series ID: S000003815)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000010644 | Retail Class        | NEAGX           |
| C000176576 | Institutional Class | NEAIX           |

### Needham Small Cap Growth Fund (Series ID: S000003816)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000010645 | Retail Class        | NESGX           |
| C000176577 | Institutional Class | NESIX           |

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#### THE NEEDHAM FUNDS, INC.
*Needham Growth Fund*

*Needham Aggressive Growth Fund*

*Needham Small Cap Growth Fund*

** 

<br> ------

#### SUPPLEMENT DATED JANUARY 24, 2023<br> TO THE STATEMENT OF ADDITIONAL INFORMATION DATED APRIL 29, 2022

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*The following supplements the information in "Description of the Funds and Investment Objectives and Policies" in the Statement of Additional Information:*

Under normal conditions, the Growth Fund and the Aggressive Growth Fund each invests at least 65% of its respective total assets, and the Small Cap Growth Fund invests at least 80% of its net assets, in the equity securities (principally, common stock) of domestic issuers listed on a nationally recognized securities exchange. The Funds consider domestic issuers of equity securities to be companies located, organized, or with a majority of assets or business in the United States.

\* \* \*

#### Please retain this Supplement with the Funds' Statement of Additional Information for future reference.

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