Prospectus Certification by Investment Company (Form 497J)

1933 Act Rule 497(j)

1933 Act File No. 033-33980

1940 Act File No. 811-06067

March 5, 2026

VIA EDGAR

Filing Desk

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

File Nos. 033-33980 and 811-06067

Rule 497(j) Filing

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), this letter serves as certification that: (i) the form of Prospectuses for all series of the Registrant and Statements of Additional Information for all series of the Registrant, other than the ETF Class shares of the Registrant's U.S. Large Company Portfolio series of shares, that would have been filed under paragraph (c) of Rule 497 under the 1933 Act would not have differed from those contained in Post-Effective Amendment Nos. 94/95 to the Registration Statement of the Registrant; and (ii) the text of Post-Effective Amendment Nos. 94/95 to the Registration Statement of the Registrant was filed electronically with the U.S. Securities and Exchange Commission via the EDGAR system on February 27, 2026.

Please direct any questions or comments relating to this filing to me at (215) 564-8082 or, in my absence, to Jana L. Cresswell, Esquire at (215) 564-8048.

Very truly yours,

/s/ Brian Crowell

Brian Crowell