Company: IPODW
Filing Date: 2025-04-17
Form Type: CORRESP
Source: 0001213900-25-032750
Chunk: 0

Company: Dune Acquisition Corp II
Filing Date: 2025-04-17
Form: CORRESP
Chunk 0
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April 17, 2025

VIA EDGAR

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

Attention: Benjamin Holt and David Link

| Re: | Dune Acquisition Corporation II    
 Registration Statement on Form S-1 
 Filed March 7, 2025, as amended    |
|:----|:-----------------------------------|
|     | File No. 333-285639                |

To Whom it May Concern:

Pursuant to Rule 461 under the Securities
Act of 1933, as amended (the “Act”), the undersigned hereby joins in the request of Dune Acquisition Corporation II that
the effective date of the above-referenced Registration Statement be accelerated so as to permit it to become effective at 4:00 p.m. Eastern
Time on April 21, 2025, or as soon thereafter as practicable.

Pursuant to Rule 460 of the General Rules and
Regulations under the Act, the undersigned wish to advise you that there will be distributed to each underwriter or dealer, who is reasonably
anticipated to participate in the distribution of the security, as many copies of the proposed form of preliminary prospectus as appears
to be reasonable to secure adequate distribution of the preliminary prospectus.

The undersigned advise that they have complied
and will continue to comply with the requirements of Rule 15c2-8 under the Securities Exchange Act of 1934, as amended.

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[Signature Page Follows]</div>

| Very truly yours, |                 |                   |
| CLEAR STREET LLC  |                 |                   |
| By:               | /s/ Ryan Gerety |                   |
|                   | Name:           | Ryan Gerety       |
|                   | Title:          | Managing Director |

<div align='center'>[Signature Page to UW Acceleration Request]</div>