Mizuho discloses 6.6% Blueport Acquisition (BPAC) holding on Schedule 13G

Rhea-AI Filing Summary

Mizuho Financial Group, Inc. has filed a Schedule 13G reporting beneficial ownership of 392,833 common shares of Blueport Acquisition Ltd, representing 6.6% of the outstanding class as of 12/31/2025. The shares are directly held by its wholly owned subsidiary Mizuho Securities USA LLC.

Mizuho reports sole voting and dispositive power over all 392,833 shares and no shared power. It certifies the position was acquired and is held in the ordinary course of business, not for the purpose of changing or influencing control of Blueport Acquisition Ltd.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Blueport Acquisition Ltd

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G1792A100

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. G1792A100

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 392,833.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 392,833.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

392,833.00

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: Blueport Acquisition Ltd
(b)	Address of issuer's principal executive offices: 366 MADISON AVENUE, 3RD FLOOR, NEW YORK, NY 10017
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 No.: G1792A100
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: 392,833
(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: 392,833
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 392,833
	(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:	02/12/2026

FAQ

What stake does Mizuho Financial Group hold in Blueport Acquisition Ltd (BPAC)?

Mizuho Financial Group reports beneficial ownership of 392,833 common shares of Blueport Acquisition Ltd, representing 6.6% of the outstanding class as of 12/31/2025. The position is reported on a Schedule 13G as a passive ownership stake.

How much voting power does Mizuho report over BPAC shares?

Mizuho Financial Group discloses sole voting power over 392,833 shares of Blueport Acquisition Ltd and no shared voting power. It also has sole dispositive power over the same number of shares, indicating full control over how these shares are voted and disposed.

Is Mizuho’s BPAC holding intended to influence control of the company?

Mizuho certifies the BPAC shares were acquired and are held in the ordinary course of business and not for changing or influencing control of the issuer. The filing states the holding is not part of any transaction aimed at affecting control of Blueport Acquisition Ltd.

Which entity directly holds the Blueport Acquisition Ltd shares for Mizuho?

The filing explains that Mizuho Financial Group, Inc., Mizuho Bank, Ltd. and Mizuho Americas LLC may be deemed indirect beneficial owners of the BPAC equity securities, which are directly held by Mizuho Securities USA LLC, described as their wholly owned subsidiary in the ownership comment.

What is the citizenship and address of Mizuho Financial Group in this BPAC filing?

Mizuho Financial Group is identified as a Japanese entity with its principal business office at 1-5-5, Otemachi, Chiyoda-ku, Tokyo, 100-8176, Japan. It files as a parent holding company under the relevant Schedule 13G classification rules.

What type of Schedule 13G filer is Mizuho for its BPAC position?

Mizuho Financial Group is classified as a parent holding company filer under Rule 13d-1(b)(1)(ii)(G). The filing notes that subsidiaries are identified in an exhibit, and it references that the foreign regulatory scheme is substantially comparable to that of equivalent U.S. institutions.