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    SEC Form SCHEDULE 13G filed by Black Spade Acquisition III Co

    2/11/26 3:13:57 PM ET
    $BIII
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    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    BLACK SPADE ACQUISITION III CO

    (Name of Issuer)


    Class A ordinary shares, $0.0001 par value, included as part of the units

    (Title of Class of Securities)


    G1154S103

    (CUSIP Number)


    02/04/2026

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    G1154S103


    1Names of Reporting Persons

    RP Investment Advisors LP
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CANADA (FEDERAL LEVEL)
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    900,000.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    900,000.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    900,000.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    5.2 %
    12Type of Reporting Person (See Instructions)

    IA, PN, FI


    SCHEDULE 13G

    CUSIP No.
    G1154S103


    1Names of Reporting Persons

    RP Select Opportunities Master Fund Ltd.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CAYMAN ISLANDS
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    538,165.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    538,165.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    538,165.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    3.1 %
    12Type of Reporting Person (See Instructions)

    FI


    SCHEDULE 13G

    CUSIP No.
    G1154S103


    1Names of Reporting Persons

    RP Debt Opportunities Fund Ltd.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CAYMAN ISLANDS
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    105,390.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    105,390.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    105,390.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0.6 %
    12Type of Reporting Person (See Instructions)

    FI


    SCHEDULE 13G

    CUSIP No.
    G1154S103


    1Names of Reporting Persons

    RP Alternative Global Bond Fund
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CANADA (FEDERAL LEVEL)
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    206,190.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    206,190.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    206,190.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    1.2 %
    12Type of Reporting Person (See Instructions)

    FI


    SCHEDULE 13G

    CUSIP No.
    G1154S103


    1Names of Reporting Persons

    RP Alternative Credit Opportunities Fund
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    CANADA (FEDERAL LEVEL)
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    50,255.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    50,255.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    50,255.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0.3 %
    12Type of Reporting Person (See Instructions)

    FI


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    BLACK SPADE ACQUISITION III CO
    (b)Address of issuer's principal executive offices:

    THE CENTRIUM, SUITE 2902, 29/F, 60 WYNDHAM STREET, CENTRAL, Hong Kong, 00000
    Item 2. 
    (a)Name of person filing:

    This statement is jointly filed by and on behalf of each of RP Investment Advisors LP, RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund, and RP Alternative Credit Opportunities Fund. RP Select Opportunities Master Fund Ltd., RP Debt Opportunities Fund Ltd., RP Alternative Global Bond Fund, and RP Alternative Credit Opportunities Fund (the "Funds") are the record and direct beneficial owners of the securities covered by this statement. RP Investment Advisors LP is the investment advisor of, and may be deemed to beneficially own securities owned by, the Funds. Each reporting person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, the beneficial owner of any securities covered by this statement. Each of the reporting persons may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Act. Each of the reporting persons declares that neither the filing of this statement nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.
    (b)Address or principal business office or, if none, residence:

    The address of the principal business office of each of the reporting persons is 39 Hazelton Avenue, Toronto, Ontario, Canada, M5R 2E3.
    (c)Citizenship:

    See Item 4 on the cover page(s) hereto.
    (d)Title of class of securities:

    Class A ordinary shares, $0.0001 par value, included as part of the units
    (e)CUSIP No.:

    G1154S103
    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)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox not checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   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)Checkbox not checked   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)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    See Item 9 on the cover page(s) hereto.
    (b)Percent of class:

    See Item 11 on the cover page(s) hereto.
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    See Item 5 on the cover page(s) hereto.

     (ii) Shared power to vote or to direct the vote:

    See Item 6 on the cover page(s) hereto.

     (iii) Sole power to dispose or to direct the disposition of:

    See Item 7 on the cover page(s) hereto.

     (iv) Shared power to dispose or to direct the disposition of:

    See Item 8 on the cover page(s) hereto.

    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.

     
    RP Investment Advisors LP
     
    Signature:/s/ Richard Pilosof
    Name/Title:Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
    Date:02/11/2026
     
    RP Select Opportunities Master Fund Ltd.
     
    Signature:/s/ Richard Pilosof
    Name/Title:Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
    Date:02/11/2026
     
    RP Debt Opportunities Fund Ltd.
     
    Signature:/s/ Richard Pilosof
    Name/Title:Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
    Date:02/11/2026
     
    RP Alternative Global Bond Fund
     
    Signature:/s/ Richard Pilosof
    Name/Title:Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
    Date:02/11/2026
     
    RP Alternative Credit Opportunities Fund
     
    Signature:/s/ Richard Pilosof
    Name/Title:Richard Pilosof, Chief Executive Officer, RP Investment Advisors LP by its General Partner RP Investment Advisors GP Inc.
    Date:02/11/2026
    Exhibit Information

    Exhibit 99.1 Joint Filing Agreement (filed herewith).

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