Mizuho reports 3.9% stake in Blueport Acquisition

Mizuho Financial Group filed an amendment reporting ownership of 229,444 common shares of Blueport Acquisition Ltd. The filing states this equals 3.9% of the class and lists sole voting and dispositive power over 229,444 shares.

Rhea-AI Filing Summary

Mizuho Financial Group filed an amendment reporting ownership of 229,444 common shares of Blueport Acquisition Ltd. The filing states this equals 3.9% of the class and lists sole voting and dispositive power over 229,444 shares. The filing identifies the holding structure and references a subsidiary relationship in an attached exhibit.

Insights

Institutional Investor Relations

Mizuho discloses a passive 3.9% stake in Blueport Acquisition Ltd as reported in the amendment.

The amendment lists 229,444 shares and shows sole voting and dispositive power over those shares. The filing is a Schedule 13G/A, indicating a passive investment classification rather than an active acquisition intent.

Timing and further disposition are not stated; subsequent filings would show any change in holdings or intent.

Securities Compliance Counsel

The amendment confirms parent/subsidiary attribution and a regulatory comparability statement for the parent holding company.

The form includes an exhibit reference identifying the subsidiary that holds the securities and a signed certification about the foreign regulatory scheme. This aligns with Schedule 13G/A parent holding company disclosure practices.

Compliance risks hinge on future changes in ownership that would require Schedule 13D treatment if active intent arises.

Key Figures

Shares beneficially owned: 229,444 shares Percent of class: 3.9% CUSIP: G1196A102 +1 more

4 metrics

Shares beneficially owned 229,444 shares reported in Schedule 13G/A amendment

Percent of class 3.9% percent of common shares of Blueport Acquisition Ltd

CUSIP G1196A102 Blueport Acquisition Ltd common shares

Reporting date 03/31/2026 date shown on filing header

Key Terms

Schedule 13G/A, Parent Holding Company, beneficially owned

3 terms

Schedule 13G/A regulatory

"Amendment No. 1 ) Blueport Acquisition Ltd Common Shares"

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.

Parent Holding Company regulatory

"Parent Holding Company Item 4. | Ownership (a) | Amount beneficially owned"

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 229,444"

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

Mizuho reports ownership of 229,444 shares, equal to 3.9% of the class. The Schedule 13G/A amendment lists sole voting and dispositive power over those shares, filed as an amendment to its prior passive disclosure.

Does the filing indicate Mizuho intends to control Blueport Acquisition Ltd (BPAC)?

No explicit control intent is stated; the filing classifies the position under Schedule 13G/A. The amendment shows sole voting and dispositive power over 229,444 shares but does not state any active acquisition or control plans.

Which entity actually holds the reported BPAC shares for Mizuho?

The filing notes the shares are directly held by Mizuho Securities USA LLC, with Mizuho Financial Group and related entities identified as indirect beneficial owners. An exhibit identifying the subsidiary is referenced in the amendment.

What date or reporting period does the ownership cover?

The cover identifies 03/31/2026 in the filing header and the amendment signature is dated 05/14/2026. The ownership amount of 229,444 shares is reported in the amendment without additional timing qualifiers.

Who certified the amendment for Mizuho Financial Group (BPAC)?

The amendment is signed by Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department, certifying comparability of the foreign regulatory scheme and offering to furnish additional information upon request.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/14/2026 - 06:32 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Blueport Acquisition Ltd

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G1196A102

(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): G1196A102

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 229,444.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 229,444.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

229,444.00

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)

3.9 %

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.: G1196A102
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: 229,444
(b)	Percent of class: 3.9 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 229,444
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 229,444
	(iv) Shared power to dispose or to direct the disposition of: 0
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 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:	05/14/2026