Company: MCGAU
Filing Date: 2025-08-26
Form Type: 425
Source: 0001104659-25-082820
Chunk: 6

Company: Yorkville Acquisition Corp.
Filing Date: 2025-08-26
Form: 425
Chunk 6
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 Act.

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| Item 9.01 | Financial Statements and Exhibits. |

(d) Exhibits:

| Exhibit 
 99.1    |     | Description                                                                  
 Press Release, dated August 26, 2025.                                        |
|:--------|:----|:-----------------------------------------------------------------------------|
| 104     |     | Cover Page Interactive Data File (embedded within the Inline XBRL document). |

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SIGNATURE</div>

Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.

| Dated: August 26, 2025 | YORKVILLE ACQUISITION CORP. |                         |
|:-----------------------|:----------------------------|:------------------------|
|                        | By:                         | /s/ Troy Rillo          |
|                        | Name:                       | Troy Rillo              |
|                        | Title:                      | Chief Financial Officer |

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