• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
PublishGo to AppAI Superconnector
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form SCHEDULE 13G filed by dMY Squared Technology Group Inc.

    10/3/25 4:22:29 PM ET
    $DMYY
    Blank Checks
    Finance
    Get the next $DMYY alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    dMY Squared Technology Group, Inc.

    (Name of Issuer)


    Class A Common Stock, par value $0.0001 per share

    (Title of Class of Securities)


    233276104

    (CUSIP Number)


    09/26/2025

    (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.
    233276104


    1Names of Reporting Persons

    Shay Capital LLC
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not 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

    125,359.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    125,359.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    125,359.00
    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)

    5.4 %
    12Type of Reporting Person (See Instructions)

    OO


    SCHEDULE 13G

    CUSIP No.
    233276104


    1Names of Reporting Persons

    Shay Capital Holdings LLC
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not 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

    125,359.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    125,359.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    125,359.00
    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)

    5.4 %
    12Type of Reporting Person (See Instructions)

    HC


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    dMY Squared Technology Group, Inc.
    (b)Address of issuer's principal executive offices:

    80 North Town Center Drive, Suite 100, Las Vegas, NEVADA, 89144.
    Item 2. 
    (a)Name of person filing:

    Shay Capital LLC Shay Capital Holdings LLC Each a "Filer".
    (b)Address or principal business office or, if none, residence:

    The principal business address of each Filer is 280 Park Avenue, 5th Floor West, New York, NY 10017.
    (c)Citizenship:

    Shay Capital LLC and Shay Capital Holdings LLC - Delaware
    (d)Title of class of securities:

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

    233276104
    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 of the cover page for each Filer.
    (b)Percent of class:

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

    See Item 5 of the cover page for each Filer.

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

    See Item 6 of the cover page for each Filer.

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

    See Item 7 of the cover page for each Filer.

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

    See Item 8 of the cover page for each Filer.

    Item 5.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.
     
    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.

     
    Shay Capital LLC
     
    Signature:Elan Foxman
    Name/Title:Chief Financial Officer
    Date:10/03/2025
     
    Shay Capital Holdings LLC
     
    Signature:Elan Foxman
    Name/Title:Chief Financial Officer
    Date:10/03/2025
    Exhibit Information

    Exhibit 1: Joint Filing Agreement

    Get the next $DMYY alert in real time by email

    Crush Q3 2025 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $DMYY

    DatePrice TargetRatingAnalyst
    More analyst ratings

    $DMYY
    SEC Filings

    View All

    SEC Form SCHEDULE 13G filed by dMY Squared Technology Group Inc.

    SCHEDULE 13G - dMY Squared Technology Group, Inc. (0001915380) (Subject)

    10/3/25 4:22:29 PM ET
    $DMYY
    Blank Checks
    Finance

    SEC Form 25-NSE filed by dMY Squared Technology Group Inc.

    25-NSE - dMY Squared Technology Group, Inc. (0001915380) (Subject)

    10/1/25 9:22:34 AM ET
    $DMYY
    Blank Checks
    Finance

    dMY Squared Technology Group Inc. filed SEC Form 8-K: Other Events

    8-K - dMY Squared Technology Group, Inc. (0001915380) (Filer)

    9/29/25 4:30:29 PM ET
    $DMYY
    Blank Checks
    Finance

    $DMYY
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    dMY Squared Securities Expected to Begin Trading on OTC Markets on September 30, 2025

    dMY Squared Technology Group, Inc. ("dMY Squared") (NYSE American: "DMYY", "DMYY.U" and "DMYY.WS"), a publicly traded special purpose acquisition company, announced today that effective as of market open on September 30, 2025 its securities are expected to begin trading on the OTC markets following the completion of NYSE American's 36-month period for special purpose acquisition companies. "This transition provides continued liquidity and trading access for shareholders while dMY Squared completes its previously-announced business combination with Horizon Quantum Computing Pte. Ltd.," said Harry You, Chairman, Chief Executive Officer and Chief Financial Officer of dMY Squared. "We look

    9/29/25 8:15:00 AM ET
    $DMYY
    Blank Checks
    Finance

    dMY Squared Technology Group Clarifies Ability to Extend Outside Date

    dMY Squared Technology Group, Inc. ("dMY Squared" or the "Company") (NYSE American: "DMYY", "DMYY.U" and "DMYY.WS"), today clarified the Company's ability to extend the date by which the Company must consummate its initial business combination. As previously disclosed, the Company's amended and restated articles of organization allow for up to 23 monthly extensions, each requiring the deposit of $50,000 into the Company's trust account, potentially extending the deadline to December 29, 2025 (which may be further extended with shareholder approval). The extensions will provide the Company additional time to complete its previously-announced business combination with Horizon Quantum Comput

    9/18/25 8:00:00 AM ET
    $DMYY
    Blank Checks
    Finance

    Horizon Quantum to Go Public in the U.S. Through Definitive Business Combination Agreement with dMY Squared Technology Group

    Transaction expected to significantly accelerate Horizon Quantum's development of the software infrastructure to power the future of quantum computing Transaction values Horizon Quantum at approximately US$503 million Horizon Quantum Computing Pte. Ltd. ("Horizon Quantum"), a developer of advanced software tools that bridge the gaps between quantum hardware and applications, and dMY Squared Technology Group, Inc. ("dMY Squared") (NYSE American: "DMYY", "DMYY.U" and "DMYY.WS"), a publicly traded special purpose acquisition company sponsored by dMY Technology Group ("dMY Technology"), announced today that they have entered into a definitive business combination agreement. When the transac

    9/9/25 7:00:00 AM ET
    $DMYY
    $GENI
    $IONQ
    Blank Checks
    Finance
    Services-Misc. Amusement & Recreation
    Consumer Discretionary

    $DMYY
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    SEC Form 4 filed by Director Dmy Squared Sponsor, Llc

    4 - dMY Squared Technology Group, Inc. (0001915380) (Issuer)

    9/17/25 4:15:26 PM ET
    $DMYY
    Blank Checks
    Finance

    Large owner Sandia Investment Management Lp sold $911,399 worth of shares (86,354 units at $10.55) (SEC Form 4)

    4 - dMY Squared Technology Group, Inc. (0001915380) (Issuer)

    2/14/25 4:10:34 PM ET
    $DMYY
    Blank Checks
    Finance

    New insider Sandia Investment Management Lp claimed ownership of 399,167 shares (SEC Form 3)

    3 - dMY Squared Technology Group, Inc. (0001915380) (Issuer)

    2/14/25 4:09:41 PM ET
    $DMYY
    Blank Checks
    Finance

    $DMYY
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G filed by dMY Squared Technology Group Inc.

    SC 13G - dMY Squared Technology Group, Inc. (0001915380) (Subject)

    11/14/24 5:40:25 PM ET
    $DMYY
    Blank Checks
    Finance

    Amendment: SEC Form SC 13G/A filed by dMY Squared Technology Group Inc.

    SC 13G/A - dMY Squared Technology Group, Inc. (0001915380) (Subject)

    11/14/24 2:35:59 PM ET
    $DMYY
    Blank Checks
    Finance

    Amendment: SEC Form SC 13G/A filed by dMY Squared Technology Group Inc.

    SC 13G/A - dMY Squared Technology Group, Inc. (0001915380) (Subject)

    11/13/24 5:43:55 PM ET
    $DMYY
    Blank Checks
    Finance