Welcome to our dedicated page for DMY Squared Tech SEC filings (Ticker: DMYY), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
dMY Squared Technology Group Inc. filings document the SPAC’s security structure, shareholder approvals, material agreements and completed business combination with Horizon Quantum Computing Pte. Ltd. The records describe units consisting of Class A common stock and redeemable warrants, redemption-related mechanics, PIPE subscription agreements, proxy and prospectus materials, governance matters, risk factors and periodic operating and financial disclosures.
The filing record also documents the transition after the transaction, including Form 8-K material-event reports, shareholder vote results and Form 15-12G deregistration disclosure. These filings provide the formal record of DMYY’s capital structure and corporate-status changes as the company became a wholly owned subsidiary of Horizon Quantum Holdings Ltd.
National Philanthropic Trust filed Amendment No. 1 to its Schedule 13D on dMY Squared Technology Group, Inc., reporting that it now beneficially owns 0 shares of the company’s Class A common stock, or 0.00% of the class.
The change follows a transaction on March 19, 2026 in which each outstanding dMY Squared Class A share was automatically converted into the right to receive one Horizon Quantum Holdings Ltd. Class A Share. Immediately after the deal, Horizon had 31,833,549 Class A Shares and 19,744,585 Class B Shares outstanding, and National Philanthropic Trust held 231,520 Horizon Class A Shares, which is less than 5% of that class. This amendment serves as an exit filing, and the trust has no further beneficial ownership reporting obligations for dMY Squared.
dMY Squared Technology Group, Inc. amendment to a Schedule 13G/A reports that Merus Global Management, LLC holds 0 shares of Class A Common Stock (CUSIP 233276104), representing 0.0% of the class. The filing states the reporting person has no voting or dispositive power over any Class A shares and confirms "Ownership of 5 percent or less of a class."
dMY Squared Technology Group, Inc. filed a Form 15 certifying termination of its registration under Section 12(g) of the Securities Exchange Act and suspension of the duty to file reports under Sections 13 and 15(d). The filing covers Units (one Class A share plus one-half warrant), Class A common stock (par value $0.0001), and Redeemable Warrants exercisable for one Class A share at an exercise price of $11.50. The filing lists no other classes that remain subject to ongoing reporting. The Form 15 was signed by Harry L. You, Chief Executive Officer and Chief Financial Officer, on March 20, 2026.
dMY Squared Technology Group, Inc. reported that 1,163,484 shares of its Class B common stock were converted into an equal number of Class A common shares. This was done on a one-for-one basis in connection with and immediately prior to the closing of its business combination with Horizon Quantum Computing Pte. Ltd. and Horizon Quantum Holdings Ltd.
The Class B shares had been held of record by dMY Squared Sponsor, LLC, which now holds 1,163,484 Class A shares after the conversion. The filing notes that Harry L. You, as managing member of the Sponsor, may be deemed to beneficially own these securities, although each reporting person disclaims beneficial ownership except to the extent of any pecuniary interest.
dMY Squared Technology Group, Inc. completed its previously announced business combination with Horizon Quantum Computing on March 19, 2026. Horizon became a wholly owned subsidiary of Horizon Quantum Holdings Ltd. (“Holdco”), and dMY Squared became a wholly owned subsidiary of Holdco.
Holdco’s Class A ordinary shares and warrants began trading on Nasdaq under the symbols “HQ” and “HQWWW” on March 20, 2026. In connection with the deal, 1,403,777 SPAC public shares were redeemed at approximately $11.82 per share, for an aggregate redemption payment of about $16.47 million.
The company assigned its warrant agreement to Holdco so that each former dMY warrant now represents the right to acquire Holdco Class A ordinary shares. A change in control occurred, with dMY Squared now controlled by Holdco, and a new slate of directors and officers was put in place at Horizon.
dMY Squared Technology Group, Inc. filed a current report detailing the completion of its previously announced business combination with Horizon Quantum Computing Pte. Ltd., a quantum software infrastructure company. The deal provides Horizon Quantum with approximately $120 million in gross proceeds before expenses.
The combined company’s Class A ordinary shares and warrants are expected to begin trading on Nasdaq on March 20, 2026 under the ticker symbols “HQ” and “HQWWW.” Horizon Quantum intends to use the capital to accelerate research and development, expand its hardware testbed, and further advance its Triple Alpha integrated development environment.
dMY Squared Technology Group, Inc. is a SPAC that remains a shell company with no revenues, focused on completing an initial business combination before an extended deadline that can run to June 29, 2026. It raised capital through its 2022 IPO and private warrants, with approximately $27.3 million held in its trust account as of December 31, 2025.
The company secured shareholder approval to extend its life multiple times and funded extensions via sponsor contributions and a convertible note. Significant redemptions occurred in January 2024 and December 2025, triggering a 1% excise tax payment of about $420,000 plus related penalties and interest.
dMY was delisted from NYSE American in September 2025 for not completing a deal within 36 months and now trades on OTC markets. It entered a Business Combination Agreement with Horizon Quantum Computing and arranged PIPE commitments of about $110.4 million as of year-end 2025, later increased to about $111.9 million, subject to closing conditions including a minimum cash requirement of $45 million plus expenses.
dMY Squared Technology Group, Inc. reported that shareholders approved all proposals presented at a virtual special meeting held on March 17, 2026. Multiple resolutions, including the Business Combination Proposal, received strong majority support, with "for" votes generally above two million against only tens of thousands of "against" votes.
Because the Business Combination Proposal passed with sufficient support, the separate Adjournment Proposal described in the February 17, 2026 proxy statement was not put to a vote. The company’s chief executive officer, chief financial officer and chairman, Harry L. You, signed the report on behalf of the company.
dMY Squared Technology Group, Inc. is proceeding with its business combination to take Horizon Quantum public following the effectiveness of a Form F-4 on February 17, 2026. The companies say the combined company is being valued at approximately $500 million pre-transaction and that the sponsor group and management are subject to a two-year lock-up.
Deal financing disclosed in the transcript includes a private investment in public equity (PIPE) of approximately $111.9 million, SPAC cash to contribute about $30 million, and Horizon’s historical capital use of about $29 million to date with an annual burn of $7–$9 million. Horizon is a Singapore-based quantum software company offering the Triple Alpha integrated development environment and a hardware-agnostic programming language and test bed.
Horizon Quantum and dMY are proceeding with a proposed business combination. The Registration Statement on Form F-4 became effective on February 17, 2026. The proxy/prospectus has been mailed to dMY shareholders for a special meeting to vote on the transaction.
The parties state a sponsor-provided SPAC cash infusion of about $30 million, and a committed PIPE of approximately $111.9 million. Horizon is described as a quantum software company valued at about $500 million prior to the transaction, with low historical capital use (~$29 million) and annual burn of $7–9 million. Sponsors and management are locked up for two years.