Form 485BXT Roundhill ETF Trust

As filed with the Securities and Exchange Commission on January 6, 2026

1933 Act Registration No. 333-273052

1940 Act Registration No. 811-23887

 

	United States
	Securities and Exchange Commission
	Washington, D.C. 20549
	Form N-1A
	Registration Statement Under the Securities Act of 1933	[    ]
	Pre-Effective Amendment No. __	[    ]
	Post-Effective Amendment No. 211	[X]
	and/or
	Registration Statement Under the Investment Company Act of 1940	[    ]
	Amendment No. 213	[X]

Roundhill ETF Trust

154 West 14^th Street, 2^nd Floor

New York, New York 10011
(646) 661-5441

Corporation Trust Company

1209 Orange Street
Wilmington, New Castle County, Delaware 19801

(Name and Address of Agent for Service)

Copy to:

Timothy Maloney
Roundhill Financial Inc.
154 West 14^th Street, 2^nd Floor

New York, New York 10011

 

Morrison Warren, Esq.
Chapman and Cutler LLP
320 South Canal Street
Chicago, Illinois 60606

 

Richard Coyle, Esq.
Chapman and Cutler LLP
320 South Canal Street
Chicago, Illinois 60606

 

It is proposed that this filing will become effective (check appropriate box):

	[    ]	Immediately upon filing pursuant to paragraph (b) of Rule 485.
	[X]	On January 9, 2026 pursuant to paragraph (b) of Rule 485.
	[    ]	60 days after filing pursuant to paragraph (a)(1) of Rule 485.
	[    ]	On (date) pursuant to paragraph (a) of Rule 485.
	[    ]	75 days after filing pursuant to paragraph (a)(2) of Rule 485.
	[    ]	On (date) pursuant to paragraph (a) of Rule 485.

 

If appropriate, check the following box:

[X]

This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

 

Contents of Registration Statement

 

This Registration Statement comprises the following papers and contents:

 

The Facing Sheet

 

The sole purpose of this filing is to delay the effectiveness of the Registrant’s Post-Effective Amendment No. 184, as it relates to  Roundhill Artificial Intelligence 1 ETF, Roundhill Artificial Intelligence 2 ETF, Roundhill Robotaxi, Autonomous Vehicles & Technology ETF (previously, Roundhill Robotaxi & Autonomous Vehicles ETF and Roundhill Artificial Intelligence 3 ETF), Roundhill Software ETF, Roundhill Defense ETF, Roundhill Fintech ETF, Roundhill Robotics ETF and Roundhill Space & Technology ETF (previously, Roundhill Space ETF) (collectively, the “Funds”), each a series of the Registrant, until January 9, 2026. Parts A, B and C of the Registrant’s Post-Effective Amendment No. 184, filed on September 24, 2025, are incorporated by reference herein.

 

Signatures

Signatures

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized in the City of New York, and State of New York on January 6, 2026.

	Roundhill ETF Trust
	By:	/s/ Timothy Maloney
		Timothy Maloney, Chairman of the Board of Trustees

 

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and on the dates indicated.

 

Signature		Capacity		Date
/s/ Will Hershey Will Hershey		President (Principal Executive Officer)		January 6, 2026
/s/ Timothy Maloney Timothy Maloney		Treasurer and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)		January 6, 2026
John Pesce*		Trustee		January 6, 2026
John Pesce
Felix Rivera*		Trustee		January 6, 2026
Felix Rivera
Jeffrey Youngman*		Trustee		January 6, 2026
Jeffrey Youngman

*

An original power of attorney authorizing Will Hershey and Timothy Maloney to execute this Registration Statement, and amendments thereto, for each of the trustees of the Registrant on whose behalf this Registration Statement were previously executed, filed as an exhibit and are incorporated by reference herein.

 

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