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    SEC Form SCHEDULE 13G filed by HCM II Acquisition Corp.

    3/31/25 10:01:52 AM ET
    $HOND
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    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    HCM II Acquisition Corp.

    (Name of Issuer)


    Class A ordinary shares, par value $0.0001 per share

    (Title of Class of Securities)


    G43658106

    (CUSIP Number)


    03/26/2025

    (Date of Event Which Requires Filing of this Statement)


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






    SCHEDULE 13G

    CUSIP No.
    G43658106


    1Names of Reporting Persons

    Linden Capital L.P.
    2Check the appropriate box if a member of a Group (see instructions)

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

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

    0.00
    6Shared Voting Power

    1,901,984.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    1,901,984.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    1,901,984.00
    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)

    8.3 %
    12Type of Reporting Person (See Instructions)

    PN


    SCHEDULE 13G

    CUSIP No.
    G43658106


    1Names of Reporting Persons

    Linden GP LLC
    2Check the appropriate box if a member of a Group (see instructions)

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

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

    0.00
    6Shared Voting Power

    1,901,984.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    1,901,984.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    1,901,984.00
    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)

    8.3 %
    12Type of Reporting Person (See Instructions)

    HC


    SCHEDULE 13G

    CUSIP No.
    G43658106


    1Names of Reporting Persons

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

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

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

    0.00
    6Shared Voting Power

    2,000,000.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    2,000,000.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    2,000,000.00
    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)

    8.7 %
    12Type of Reporting Person (See Instructions)

    IA, PN


    SCHEDULE 13G

    CUSIP No.
    G43658106


    1Names of Reporting Persons

    Siu Min Wong
    2Check the appropriate box if a member of a Group (see instructions)

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

    UNITED STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    2,000,000.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    2,000,000.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    2,000,000.00
    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)

    8.7 %
    12Type of Reporting Person (See Instructions)

    IN, HC


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    HCM II Acquisition Corp.
    (b)Address of issuer's principal executive offices:

    100 First Stamford Place, Suite 330, Stamford, Connecticut 06902.
    Item 2. 
    (a)Name of person filing:

    This Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons") i) Linden Capital L.P., a Bermuda limited partnership ("Linden Capital"); ii) Linden GP LLC, a Delaware limited liability company ("Linden GP"); iii) Linden Advisors LP, a Delaware limited partnership ("Linden Advisors"); and iv) Siu Min (Joe) Wong ("Mr. Wong"). This Statement relates to Shares (as defined herein) held for the account of Linden Capital and one or more separately managed accounts (the "Managed Accounts"). Linden GP is the general partner of Linden Capital and, in such capacity, may be deemed to beneficially own the Shares held by Linden Capital. Linden Advisors is the investment manager of Linden Capital and trading advisor or investment advisor for the Managed Accounts. Mr. Wong is the principal owner and controlling person of Linden Advisors and Linden GP. In such capacities, Linden Advisors and Mr. Wong may each be deemed to beneficially own the Shares held by each of Linden Capital and the Managed Accounts.
    (b)Address or principal business office or, if none, residence:

    The principal business address for Linden Capital is Victoria Place, 31 Victoria Street, Hamilton HM10, Bermuda. The principal business address for each of Linden Advisors, Linden GP and Mr. Wong is 590 Madison Avenue, 32nd Floor, New York, New York 10022.
    (c)Citizenship:

    i) Linden Capital is a Bermuda limited partnership. ii) Linden GP is a Delaware limited liability company. iii) Linden Advisors is a Delaware limited partnership. iv) Mr. Wong is a citizen of China (Hong Kong) and the United States.
    (d)Title of class of securities:

    Class A ordinary shares, par value $0.0001 per share
    (e)CUSIP No.:

    G43658106
    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:

    As of March 28, 2025, each of Linden Advisors and Mr. Wong may be deemed the beneficial owner of 2,000,000 Shares. This amount consists of 1,901,984 Shares held by Linden Capital and 98,016 Shares held by separately managed accounts. As of March 28, 2025 each of Linden GP and Linden Capital may be deemed the beneficial owner of the 1,901,984 Shares held by Linden Capital.
    (b)Percent of class:

    As of March 28, 2025, each of Linden Advisors and Mr. Wong may be deemed the beneficial owner of approximately 8.7% of Shares outstanding, and each of Linden GP and Linden Capital may be deemed the beneficial owner of approximately 8.3% of Shares outstanding. These percentages are based on 23,000,000 Shares outstanding based on disclosures by the issuer in its quarterly report on Form 10-Q filed on November 13, 2024.
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    Linden Capital and Linden GP: 0 Linden Advisors and Mr. Wong: 0

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

    Linden Capital and Linden GP: 1,901,984 Linden Advisors and Mr. Wong: 2,000,000

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

    Linden Capital and Linden GP: 0 Linden Advisors and Mr. Wong: 0

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

    Linden Capital and Linden GP: 1,901,984 Linden Advisors and Mr. Wong: 2,000,000

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.


    See disclosure in Items 2 and 4 hereof.
    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 disclosure in Item 2 hereof.
    Item 8.Identification and Classification of Members of the Group.
     
    If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.


    See Exhibit A attached hereto.
    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.

     
    Linden Capital L.P.
     
    Signature:/S/ Saul Ahn
    Name/Title:Saul Ahn, Authorized Signatory
    Date:03/31/2025
     
    Linden GP LLC
     
    Signature:/S/ Saul Ahn
    Name/Title:Saul Ahn, Authorized Signatory
    Date:03/31/2025
     
    Linden Advisors LP
     
    Signature:/S/ Saul Ahn
    Name/Title:Saul Ahn, General Counsel
    Date:03/31/2025
     
    Siu Min Wong
     
    Signature:/S/ Saul Ahn
    Name/Title:Saul Ahn, Attorney-in-Fact for Siu Min Wong**
    Date:03/31/2025

    Comments accompanying signature:  **Duly authorized under Siu Min Wong's Power of Attorney, dated June 10, 2019, incorporated herein by reference to Exhibit B of the statement on Schedule 13G filed by Linden Capital L.P. on June 19, 2019 in respect of its holdings in Haymaker Acquisition Corp II. EXHIBIT A JOINT FILING AGREEMENT The undersigned hereby agree that the statement on Schedule 13G with respect to the Shares of HCM II Acquisition Corp. dated as of March 31, 2025 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. Dated: March 31, 2025 LINDEN CAPITAL L.P. By: Linden GP LLC, its general partner By: /S/ Saul Ahn______ Saul Ahn, Authorized Signatory LINDEN GP LLC By: /S/ Saul Ahn ______ Saul Ahn, Authorized Signatory LINDEN ADVISORS LP By: /S/ Saul Ahn______ Saul Ahn, General Counsel SIU MIN WONG By: /S/ Saul Ahn________________ Saul Ahn, Attorney-in-Fact for Siu Min Wong** ___________ **Duly authorized under Siu Min Wong's Power of Attorney, dated June 10, 2019, incorporated herein by reference to Exhibit B of the statement on Schedule 13G filed by Linden Capital L.P. on June 19, 2019 in respect of its holdings in Haymaker Acquisition Corp II.
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