Form 485BXT Nushares ETF Trust

AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON JUNE 12, 2026.

Investment Company Act of 1940 File No.: 811-23161

Securities Act of 1933 File No.: 333-212032

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

and/or

(Check appropriate box or boxes)

Nushares ETF Trust

(Exact Name of Registrant as Specified in Charter)

333 West Wacker Drive

Chicago, IL 60606

(Address of Principal Executive Offices, Zip Code)

(312) 917-7700

(Registrant’s Telephone Number, including Area Code)

Diana R. Gonzalez

Vice President and Secretary

8500 Andrew Carnegie Boulevard

Charlotte, NC 28262

(Name and Address of Agent for Service)

Copies to:

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

If appropriate, check the following box:

EXPLANATORY NOTE

This Post-Effective Amendment No. 119 to the Registration Statement on Form N-1A for Nushares ETF Trust (the “Trust”) is being filed pursuant to paragraph (b)(1)(iii) of Rule 485 under the Securities Act of 1933 (the “1933 Act”) solely for the purpose of delaying, until June  17, 2026, the effectiveness of Post-Effective Amendment No. 117 (“PEA No.  117”), which was filed with the Commission via EDGAR Accession No. 0001193125-26-130712 on March 30, 2026, pursuant to paragraph (a)(2) of Rule 485 under the 1933 Act. Since no other changes are intended to be made to PEA No. 117 by means of this filing, Parts A, B and C of PEA No. 117, as indicated below, are incorporated herein by reference.

PART A – PROSPECTUS

The Prospectus for the Nuveen U.S. Infrastructure ETF is incorporated herein by reference to Part A of PEA No. 117.

PART B – STATEMENT OF ADDITIONAL INFORMATION

The Statement of Additional Information for the Nuveen U.S. Infrastructure ETF is incorporated herein by reference to Part B of PEA No. 117.

PART C – OTHER INFORMATION

The Part C for the Nuveen U.S. Infrastructure ETF is incorporated herein by reference to Part C of PEA No. 117.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 (the “Securities Act”) and the Investment Company Act of 1940, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration under Rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment No. 119 to Registration Statement No. 333-212032 to be signed on its behalf by the undersigned, duly authorized, in the City of Charlotte and State of North Carolina, on the 12th day of June 2026.

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