MMCAP, MM Asset Management disclose 2.35M Units in Cartesian Growth (CGCFU)

Rhea-AI Filing Summary

Cartesian Growth Corp IV Schedule 13G reports that MMCAP International Inc. SPC and MM Asset Management Inc. jointly disclose beneficial ownership of 2,350,000 Units (the combined class of Class A ordinary shares and redeemable warrants), representing 8.5% of the class. The filing cites June 30, 2026 as the reference for 27,500,000 outstanding Units per an 8-K. Voting and disposition powers are shared for the full amount; no sole voting or dispositive power is reported. The filing is signed and dated 07/02/2026.

Insights

Institutional Ownership Analyst

Large passive stake by two related managers disclosed.

The filing shows 2,350,000 Units held jointly by MMCAP International Inc. SPC and MM Asset Management Inc., equal to 8.5% of the reported 27,500,000 outstanding Units as of June 30, 2026. The position is recorded with shared voting and dispositive power.

Cash‑flow treatment and any planned sales are not included in the excerpt; subsequent filings would state changes in ownership or voting arrangements.

Corporate Governance Expert

Joint filing and shared authority are the notable governance signals.

The disclosure is a joint Schedule 13G, with an Exhibit 99.1 Joint Filing Agreement noted. Shared voting and dispositive power for 2,350,000 Units suggests coordinated control of the disclosed position rather than sole authority.

Signatures dated 07/02/2026 complete the form; any changes in voting arrangement or additional filings would appear in future Schedule 13D/13G amendments.

Key Figures

Units beneficially owned: 2,350,000 Units Percent of class: 8.5% Outstanding Units (reference): 27,500,000 Units +1 more

4 metrics

Units beneficially owned 2,350,000 Units Jointly held by MMCAP International Inc. SPC and MM Asset Management Inc.

Percent of class 8.5% Based on 27,500,000 outstanding Units reported on an 8-K

Outstanding Units (reference) 27,500,000 Units Issuer count as reported on 8-K dated <date>June 30, 2026</date>

Filing signature date 07/02/2026 Schedule 13G signed by filing representatives

Key Terms

Units, Beneficially owned, Shared voting power, Joint Filing Agreement

4 terms

Units financial

"Title: Units of Class A Ordinary Shares and Redeemable Warrants"

Units are bundled securities sold as one package in a financing—commonly a share paired with an instrument that gives the holder the right to buy more shares later. For investors this matters because a unit’s extra component can change future supply of shares and potential returns, similar to buying a combo with a coupon that can be redeemed later and alter what you actually receive and what others might own.

Beneficially owned regulatory

"Item 4. | Ownership (a) | Amount beneficially owned: 2,350,000"

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.

Shared voting power governance

"Shared Voting Power 2,350,000.00"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

Joint Filing Agreement regulatory

"Exhibit 99.1 Joint Filing Agreement"

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Available on EDGAR 07/04/2026 - 12:12 PM Accepted by SEC EDGAR 07/02/2026 - 12:46 PM Learn about SEC filing dates

FAQ

What stake does MMCAP report in Cartesian Growth Corp IV (CGCFU)?

MMCAP International Inc. SPC and MM Asset Management Inc. report holding 2,350,000 Units, representing 8.5% of the class based on 27,500,000 outstanding Units as of June 30, 2026. The disclosure is a joint filing.

Does the Schedule 13G show who controls voting for the 2,350,000 Units?

The filing states the holders have shared voting power and shared dispositive power over 2,350,000 Units, with no sole voting or sole dispositive power reported in the excerpt.

When was the beneficial ownership filing signed for CGCFU?

The Schedule 13G is signed by representatives with signature dates of 07/02/2026, and it references the outstanding Units figure from an 8‑K filed on June 30, 2026.

Is the reported 8.5% stake based on an official outstanding count?

Yes. The 8.5% figure is calculated using a cited outstanding Units count of 27,500,000 reported by the issuer on an 8‑K dated June 30, 2026, as shown in the filing.

Does this Schedule 13G indicate any planned sale or acquisition activity?

No. The excerpt lists current beneficial ownership and voting/dispositive powers only; it does not state any planned purchases or sales of Units or cash‑flow treatment.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Cartesian Growth Corp IV

(Name of Issuer)

Units of Class A Ordinary Shares and Redeemable Warrants

(Title of Class of Securities)

G19316127

(CUSIP Number)

06/25/2026

(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): G19316127

1

Names of Reporting Persons

MMCAP International Inc. SPC

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,350,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,350,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,350,000.00

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)

8.5 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: Percent of class based on 27,500,000 outstanding Units as reported by the Issuer on 8-K filed with the Securities and Exchange Commission on June 30, 2026.

SCHEDULE 13G

CUSIP Number(s): G19316127

1

Names of Reporting Persons

MM Asset Management 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

ONTARIO, CANADA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,350,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,350,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,350,000.00

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)

8.5 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: Percent of class based on 27,500,000 outstanding Units as reported by the Issuer on 8-K filed with the Securities and Exchange Commission on June 30, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Cartesian Growth Corp IV
(b)	Address of issuer's principal executive offices: 505 Fifth Avenue, 15th Floor, New York, NY 10017
Item 2.
(a)	Name of person filing: i) MMCAP International Inc. SPC ii) MM Asset Management Inc.
(b)	Address or principal business office or, if none, residence: i) c/o Mourant Governance Services (Cayman) Limited, 94 Solaris Avenue, Camana Bay, P. O. Box 1348, Grand Cayman KY1-1108, Cayman Islands ii) 161 Bay Street, TD Canada Trust Tower, Suite 2240, Toronto, Ontario M5J 2S1 Canada
(c)	Citizenship: i) Cayman Islands ii) Ontario, Canada
(d)	Title of class of securities: Units of Class A Ordinary Shares and Redeemable Warrants
(e)	CUSIP Number(s): G19316127
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).
Item 4.	Ownership
(a)	Amount beneficially owned: 2,350,000
(b)	Percent of class: 8.5%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 2,350,000
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 2,350,000
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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.
	Not Applicable
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 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.

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.

MMCAP International Inc. SPC

Signature:	Ulla Vestergaard
Name/Title:	Director
Date:	07/02/2026

MM Asset Management Inc.

Signature:	Hillel Meltz
Name/Title:	President
Date:	07/02/2026

Exhibit Information

Exhibit 99.1 Joint Filing Agreement