Yorkville Acquisition Corp. disclosure: Anson Funds Management LP, Anson Management GP LLC, Tony Moore, Anson Advisors Inc., Amin Nathoo and Moez Kassam filed Amendment No. 4 to a Schedule 13G/A reporting 0 Class A Ordinary Shares of the issuer.
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Yorkville Acquisition Corp. disclosure: Anson Funds Management LP, Anson Management GP LLC, Tony Moore, Anson Advisors Inc., Amin Nathoo and Moez Kassam filed Amendment No. 4 to a Schedule 13G/A reporting 0 Class A Ordinary Shares of the issuer. The filing states these entities act as co-investment advisors to funds and classifies the position as ownership of 5 percent or less of a class. Signatures on the amendment are dated 05/15/2026.
Insights
Amendment updates reporting status; no beneficial holdings declared.
The schedule amendment reiterates that Anson entities serve as co-investment advisors and that the funds hold 0 Ordinary Shares as reported in this filing dated 05/15/2026. This keeps the group within the "ownership of 5 percent or less" reporting bucket.
Implications are procedural: filings maintain public disclosure obligations for potential future holdings. Subsequent filings will show any change in beneficial ownership if and when the funds acquire reportable amounts.
Key Figures
Amendment number:Amendment No. 4Class A Ordinary Shares reported:0 sharesPar value:$0.0001 par value+2 more
"Amendment No. 4 to a Schedule 13G/A reporting ownership"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
co-investment advisorsfinancial
"Anson Funds Management LP and Anson Advisors Inc. serve as co-investment advisors"
beneficially ownedregulatory
"Amount beneficially owned: This Amendment relates to the Ordinary Shares purchased by one or more private funds"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What does the Schedule 13G/A amendment for MCGA state?
The amendment states that Anson Funds Management LP and affiliated filers report 0 Class A Ordinary Shares of Yorkville Acquisition Corp., classifying their holding as 5 percent or less. Signatures on the amendment are dated 05/15/2026.
Who are the filers listed on the amendment for MCGA?
The filing is made by Anson Funds Management LP, Anson Management GP LLC, Mr. Tony Moore, Anson Advisors Inc., Mr. Amin Nathoo and Mr. Moez Kassam, identified as co-investment advisors to certain private funds related to the reported position.
Does the amendment disclose any voting or dispositive power for the filers?
The amendment notes the filers may direct voting and disposition for the Funds but explicitly reports 0 sole or shared voting and dispositive power over Ordinary Shares in the disclosed ownership section.
What is the class and CUSIP referenced in the filing?
The filing refers to Class A Ordinary Shares, $0.0001 par value of Yorkville Acquisition Corp. and shows CUSIP G98659116 in the issuer identification section.
What does "ownership of 5 percent or less" mean in this filing?
It indicates the reporting group states their beneficial holding falls within the SEC bucket for holders owning 5 percent or less of a class, and here the amendment specifies the Funds hold 0 shares, placing them in that category.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 4)
Yorkville Acquisition Corp.
(Name of Issuer)
Class A Ordinary Shares, $0.0001 par value
(Title of Class of Securities)
G98659116
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Anson Funds Management LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
TEXAS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
IA, PN
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Anson Management GP LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
TEXAS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
HC, OO
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Tony Moore
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Anson Advisors Inc.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CANADA (FEDERAL LEVEL)
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
FI, CO
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Amin Nathoo
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CANADA (FEDERAL LEVEL)
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
G98659116
1
Names of Reporting Persons
Moez Kassam
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CANADA (FEDERAL LEVEL)
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Yorkville Acquisition Corp.
(b)
Address of issuer's principal executive offices:
1012 Springfield Avenue, Mountainside, New Jersey, 07092
Item 2.
(a)
Name of person filing:
Anson Funds Management LP, Anson Management GP LLC, Mr. Tony Moore, Anson Advisors Inc., Mr. Amin Nathoo and Mr. Moez Kassam
(b)
Address or principal business office or, if none, residence:
For Anson Funds Management LP, Anson Management GP LLC and Mr. Moore:
16000 Dallas Parkway, Suite 800
Dallas, Texas 75248
For Anson Advisors Inc., Mr. Nathoo and Mr. Kassam:
181 Bay Street, Suite 4200 Toronto, ON
M5J 2T3
(c)
Citizenship:
Anson Funds Management LP is a limited partnership organized under the laws of the State of Texas. Anson Management GP LLC is a limited liability company organized under the laws of the State of Texas. Mr. Moore is a United States citizen. Anson Advisors Inc. is a corporation organized under the laws of Ontario, Canada. Mr. Nathoo and Mr. Kassam are each Canadian citizens.
(d)
Title of class of securities:
Class A Ordinary Shares, $0.0001 par value
(e)
CUSIP No.:
G98659116
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Canadian Investment Advisor
Item 4.
Ownership
(a)
Amount beneficially owned:
This Amendment No. 4 (this "Amendment") to Schedule 13G (the "Schedule 13G") is being filed on behalf of Anson Funds Management LP (d/b/a Anson Funds), a Texas limited partnership, Anson Management GP LLC, a Texas limited liability company, Mr. Tony Moore, the principal of Anson Funds Management LP and Anson Management GP LLC, Anson Advisors Inc., an Ontario, Canada corporation, Mr. Amin Nathoo, a director of Anson Advisors Inc., and Mr. Moez Kassam, a director of Anson Advisors Inc., relating to Class A Ordinary Shares, $0.0001 par value (the "Ordinary Shares"), of Yorkville Acquisition Corp., New Jersey corporation (the "Issuer").
This Schedule 13G relates to the Ordinary Shares of the Issuer purchased by one or more private funds to which Anson Funds Management LP and Anson Advisors Inc. serve as co-investment advisors (collectively, the "Funds"). Anson Funds Management LP and Anson Advisors Inc. serve as co-investment advisors to the Funds and may direct the vote and disposition of the 0 Ordinary Shares held by the Funds. As the general partner of Anson Funds Management LP, Anson Management GP LLC may direct the vote and disposition of the 0 Ordinary Shares held by the Funds. As the principal of Anson Fund Management LP and Anson Management GP LLC, Mr. Moore may direct the vote and disposition of the 0 Ordinary Shares held by the Funds. As directors of Anson Advisors Inc., Mr. Nathoo and Mr. Kassam may each direct the vote and disposition of the 0 Ordinary Shares held by the Funds.
(b)
Percent of class:
See Section 4(a)
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
See Section 4(a)
(ii) Shared power to vote or to direct the vote:
See Section 4(a)
(iii) Sole power to dispose or to direct the disposition of:
See Section 4(a)
(iv) Shared power to dispose or to direct the disposition of:
See Section 4(a)
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
See Section 4(a)
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Anson Advisors Inc. is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
