Mizuho Financial Group (CRAC) discloses 6.6% beneficial stake in Crown Reserve Acquisition

Rhea-AI Filing Summary

Mizuho Financial Group, Inc., a Japan-based parent holding company, reports beneficial ownership of common shares of Crown Reserve Acquisition Corp. I. Mizuho and certain affiliates may be deemed to indirectly own 1,190,077 common shares, representing 6.6% of the class, held directly by its wholly owned subsidiary Mizuho Securities USA LLC. Mizuho reports sole voting and sole dispositive power over these shares, with no shared voting or dispositive power. The filing is certified by Managing Director Takahiro Katsura and indicates that the foreign regulatory scheme applicable to the parent holding company is represented as substantially comparable to that of functionally equivalent U.S. institutions.

Key Figures

Shares beneficially owned: 1,190,077 shares Percent of class: 6.6% Sole voting power: 1,190,077 shares +1 more

4 metrics

Shares beneficially owned 1,190,077 shares Common Shares of Crown Reserve Acquisition Corp. I reported by Mizuho Financial Group, Inc.

Percent of class 6.6% Portion of Crown Reserve Acquisition Corp. I common shares beneficially owned

Sole voting power 1,190,077 shares Shares over which Mizuho has sole power to vote or direct the vote

Sole dispositive power 1,190,077 shares Shares over which Mizuho has sole power to dispose or direct the disposition

Key Terms

beneficially owned, sole voting power, dispositive power, parent holding company

4 terms

beneficially owned financial

"Ownership (a) | Amount beneficially owned: 1,190,077"

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.

sole voting power financial

"Sole power to vote or to direct the vote: 1,190,077"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

dispositive power financial

"Sole power to dispose or to direct the disposition of: 1,190,077"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

parent holding company financial

"CUSIP Number(s): G2574F119 | Parent Holding Company"

FAQ

What stake does Mizuho Financial Group hold in Crown Reserve Acquisition Corp. I (CRAC)?

Mizuho Financial Group, Inc. reports beneficial ownership of 1,190,077 Crown Reserve Acquisition Corp. I common shares, representing 6.6% of the outstanding class. These shares are directly held by its wholly owned subsidiary, Mizuho Securities USA LLC.

Does Mizuho Financial Group have voting control over its CRAC shares?

Mizuho reports sole voting power over 1,190,077 shares of Crown Reserve Acquisition Corp. I and no shared voting power. It also reports sole dispositive power over the same number of shares, indicating unilateral control over voting and disposition.

Which Mizuho entities are associated with the CRAC shareholding disclosed in this Schedule 13G?

The filing states that Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC may be deemed indirect beneficial owners of equity securities directly held by Mizuho Securities USA LLC, their wholly owned subsidiary.

What type of securities of Crown Reserve Acquisition Corp. I (CRAC) are held by Mizuho?

Mizuho’s reported position is in Common Shares of Crown Reserve Acquisition Corp. I, identified by CUSIP G2574F119. The disclosed holdings total 1,190,077 shares, corresponding to 6.6% of that class of securities.

Who signed the beneficial ownership report related to CRAC for Mizuho Financial Group (CRAC)?

The report is signed by Takahiro Katsura, identified as Managing Director, Global Corporate Function Coordination Department. The signature section also certifies comparability of the applicable foreign regulatory scheme to that of equivalent U.S. institutions.

What percentage of Crown Reserve Acquisition Corp. I (CRAC) does Mizuho control dispositively?

Mizuho reports sole dispositive power over 1,190,077 common shares, which corresponds to 6.6% of Crown Reserve Acquisition Corp. I’s common share class, with no shared dispositive power indicated in the ownership breakdown.

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Available on EDGAR 08/13/2026 - 07:01 AM Accepted by SEC EDGAR 08/13/2026 - 07:00 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Crown Reserve Acquisition Corp. I

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G2574F119

(CUSIP Number)

06/30/2026

(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): G2574F119

1

Names of Reporting Persons

Mizuho Financial Group, 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

JAPAN

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,190,077.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,190,077.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,190,077.00

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)

6.6 %

12

Type of Reporting Person (See Instructions)

FI

Comment for Type of Reporting Person: Mizuho Financial Group, Inc., Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed to be indirect beneficial owners of said equity securities directly held by Mizuho Securities USA LLC which is their wholly-owned subsidiary.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Crown Reserve Acquisition Corp. I
(b)	Address of issuer's principal executive offices: Conyers Trust Company (Cayman) Limited, PO Box 2681, Grand Cayman, Cayman Islands KY1-1111
Item 2.
(a)	Name of person filing: Mizuho Financial Group, Inc.
(b)	Address or principal business office or, if none, residence: 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan
(c)	Citizenship: Japan
(d)	Title of class of securities: Common Shares
(e)	CUSIP Number(s): G2574F119
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).
	Parent Holding Company
Item 4.	Ownership
(a)	Amount beneficially owned: 1,190,077
(b)	Percent of class: 6.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,190,077
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,190,077
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	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 Exhibit 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 Parent Holding Company 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.

Mizuho Financial Group, Inc.

Signature:	/s/ Takahiro Katsura
Name/Title:	Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department
Date:	08/13/2026