Prospectus Certification by Investment Company (Form 497J)

The Needham Funds, Inc.

c/o U.S. Bank Global Fund Services

615 East Michigan Street

Milwaukee, WI 53202

April 3, 2026

VIA EDGAR TRANSMISSION

United States Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re: The Needham Funds, Inc. (the "Company")

Securities Act Registration No.: 033-98310

Investment Company Act Registration No.: 811-09114

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933 (the "1933 Act"), as amended, and pursuant to the Investment Company Act of 1940, as amended, and the regulations thereunder, the Company on behalf of its series, Needham Growth Fund, Needham Aggressive Growth Fund and Needham Small Cap Growth Fund, hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) under the 1933 Act would not have differed from that contained in the recent amendment for the Company dated March 31, 2026, and filed electronically as Post-Effective Amendment No. 59 to the Company's Registration Statement on Form N-1A on March 31, 2026.

Please direct any inquiries regarding this filing to Elaine Richards at [email protected]. Thank you for your assistance with respect to this matter.

Sincerely,

/s/ Elaine E. Richards

Elaine E. Richards

Senior Vice President

U.S. Bank Global Fund Services

as Administrator for the Company