Filing Details

Accession Number:
0001213900-25-061612
Form Type:
13D Filing
Publication Date:
2025-07-02 20:00:00
Filed By:
Yorkville Acquisition Sponsor LLC
Company:
Yorkville Acquisition Corp.
Filing Date:
2025-07-03
SEC Url:
13D Filing
Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Yorkville Acquisition Sponsor LLC 6,101,825 0 6,101,825 0 6,101,825 25.88%
YA II PN, Ltd. 0 6,101,825 0 6,101,825 6,101,825 25.88%
YA Global Investments II (U.S.), LP 0 6,101,825 0 6,101,825 6,101,825 25.88%
Yorkville Advisors Global, LP 0 6,101,825 0 6,101,825 6,101,825 25.88%
Yorkville Advisors Global II, LLC 0 6,101,825 0 6,101,825 6,101,825 25.88%
YAII GP, LP 0 6,101,825 0 6,101,825 6,101,825 25.88%
YAII GP II, LLC 0 6,101,825 0 6,101,825 6,101,825 25.88%
Mark Angelo 0 6,101,825 0 6,101,825 6,101,825 25.88%
SC-Sigma Global Partners, LP 0 6,101,825 0 6,101,825 6,101,825 25.88%
Filing





If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. Checkbox not checked

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D



Comment for Type of Reporting Person:
(1) Includes 351,825 of the Issuer's Class A ordinary shares, $0.0001 par value ("Class A Ordinary Shares") and 5,750,000 of the Issuer's Class B ordinary shares, $0.0001 par value ("Class B Ordinary Shares" and, together with the Class A Ordinary Shares, the "Ordinary Shares"), which are automatically convertible into Class A Ordinary Shares at the time of the Issuer's initial business combination on a one-for-one basis, or at any time prior to the Issuer's initial business combination, at the option of the holder, subject to adjustment as more fully described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-286569). The 351,825 Class A Ordinary Shares are included in the placement units (each unit consisting of one Class A Ordinary Share and one-third of one warrant , each whole warrant exercisable into one Class A Ordinary Share 30 days following the consummation of the Issuer's initial business combination), acquired pursuant to a Private Placement Units Purchase Agreement by and between the Issuer and Yorkville Acquisition Sponsor LLC (the "Sponsor"). YA II PN, Ltd. ("YA II PN") is the sole managing member of the Sponsor and has voting and investment discretion over the securities held by the Sponsor. YA II PN is beneficially owned by YA Global Investments II (U.S.), LP ("YA Feeder"), whose general partner is YAII GP, LP ("YA GP"). The general partner of YA GP is YAII GP II, LLC ("Yorkville GP"). Yorkville Advisors Global, LP ("Yorkville LP") serves as the investment manager to both YA II PN and SC-Sigma Global Partners, LP ("SC-Sigma"), an investor in YA II PN. Yorkville Advisors Global II, LLC ("Yorkville LLC") is the general partner of Yorkville LP. Mark Angelo, President and Managing Member of Yorkville LLC and a Director of the Issuer, makes all investment decisions for YA II PN. Each of the Reporting Persons may be considered affiliates and may be deemed to have beneficial ownership of the Class B Ordinary Shares held by the Sponsor. Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of any pecuniary interest therein, directly or indirectly.


SCHEDULE 13D

 
Yorkville Acquisition Sponsor LLC
 
Signature:/s/ Leslie Brault
Name/Title:Leslie Brault, Attorney-in-fact
Date:07/03/2025
 
YA II PN, Ltd.
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
YA Global Investments II (U.S.), LP
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
Yorkville Advisors Global, LP
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
Yorkville Advisors Global II, LLC
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
YAII GP, LP
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
YAII GP II, LLC
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025
 
Mark Angelo
 
Signature:/s/ Leslie Brault
Name/Title:Leslie Brault, Attorney-in-fact
Date:07/03/2025
 
SC-Sigma Global Partners, LP
 
Signature:/s/ David Gonzalez
Name/Title:David Gonzalez, General Counsel
Date:07/03/2025