Company: IPODW
Filing Date: 2025-04-21
Form Type: 8-A12B
Source: 0001213900-25-033552
Chunk: 1

Company: Dune Acquisition Corp II
Filing Date: 2025-04-21
Form: 8-A12B
Chunk 1
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 to Be Registered.

The securities to be registered hereby are the (i) units, (ii) Class
A ordinary shares, par value $0.0001 per share, and (iii) warrants to purchase Class A ordinary shares of Dune Acquisition Corporation
II (the “Company”). The description of the units, Class A ordinary shares, and warrants contained in the section entitled
“Description of Securities” in the prospectus included in the Company’s Registration Statement on Form S-1 (File
No. 333-285639), originally filed with the U.S. Securities and Exchange Commission on March 7, 2025, as amended from time to time (the
“Registration Statement”), to which this Form 8-A relates, is incorporated herein by reference. Any form of prospectus
or prospectus supplement to the Registration Statement that includes such descriptions and that is subsequently filed is also incorporated
by reference herein.

Item 2. Exhibits.

Pursuant to the Instructions as to Exhibits for Form 8-A, no exhibits
are required to be filed because no other securities of the Company are registered on The Nasdaq Stock Market LLC and the securities
registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange Act of 1934, as amended.

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SIGNATURE</div>

Pursuant to the requirements of Section 12 of the Securities Exchange
Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

| Date: April 21, 2025 | DUNE ACQUISITION CORPORATION II |                         |
|:---------------------|:--------------------------------|:------------------------|
|                      | By:                             | /s/ Carter Glatt        |
|                      | Name:                           | Carter Glatt            |
|                      | Title:                          | Chief Executive Officer |

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