1900 K Street, NW Washington, DC 20006 +1 202 261 3300 Main +1 202 261 3333 Fax www.dechert.com
	ADAM T. TEUFEL adam.teufel@dechert.com +1 202 261 3464 Direct +1 202 261 3164 Fax

August 5, 2025

VIA EDGAR

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, D.C. 20549-4720

Re: PIMCO Funds (the “Trust” or “Registrant”)

(File Nos. 033-12113 and 811-05028)

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the “1933 Act”), we hereby certify on behalf of the Trust, that (i) the forms of the Asset Allocation Prospectus, Credit Bond Funds Prospectus, International Bond Funds Prospectus, Municipal Value Funds Prospectus, Quantitative Strategies Prospectus, Real Return Strategy Funds Prospectus, Tax-Efficient Strategy Funds Prospectus and Statement of Additional Information that the Trust would have filed pursuant to Rule 497(c) under the 1933 Act do not differ from those contained in Post-Effective Amendment No. 353, which was filed on July 28, 2025 and (ii) the text of Post-Effective Amendment No. 353 was filed electronically on July 28, 2025.

Please contact the undersigned at (202) 261-3464 if you have any questions regarding this certification.

Sincerely,

/s/ Adam T. Teufel

Adam T. Teufel

cc: Ryan Leshaw

  Timothy Bekkers

  Douglas P. Dick