Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
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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) |
Christina Hack Chief Financial Officer, 165 Township Line Road, Suite 1200 Jenkintown, PA, 19046 (215) 277-3010 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
03/19/2026 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 233276104 |
| 1 |
Name of reporting person
National Philanthropic Trust | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
PENNSYLVANIA
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
0.00 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
CO |
Comment for Type of Reporting Person:
This statement on Schedule 13D relates to the Series A common stock, par value $0.0001 per share ("Class A Common Stock"), of dMY Squared Technology Group, Inc. (the "Issuer"). The statement on Schedule 13D originally filed with the Securities and Exchange Commission (the "SEC") by the Reporting Person on September 15, 2025 (the "Schedule 13D") is hereby amended and supplemented to include the information set forth herein. This amended statement on Schedule 13D (the "Schedule 13 Amendment") constitutes Amendment No. 1 to the original Schedule 13D filing and constitutes an exit filing of the Reporting Person in respect of shares of Class A Common Stock. Following the transaction (the "Transaction") described in Item 4 below, the Issuer filed a Form 15 with the SEC to effect the deregistration of the Class A Common Stock. Except as set forth herein, the Schedule 13D is unmodified.
SCHEDULE 13D
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| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Class A common stock, par value $0.0001 per share |
| (b) | Name of Issuer:
dMY Squared Technology Group, Inc. |
| (c) | Address of Issuer's Principal Executive Offices:
1180 NORTH TOWN CENTER DRIVE SUITE 100, LAS VEGAS,
NEVADA
, 89144. |
| Item 2. | Identity and Background |
| (a) | This Schedule 13D Amendment is being filed by National Philanthropic Trust (the "Reporting Person"). |
| (b) | The principal business address of the Reporting Person is 165 Township Line Road, Suite 1200, Jenkintown, Pennsylvania 19046. |
| (c) | The Reporting Person is a 501(c)(3) charitable organization that, along with its affiliates, accomplishes its and their charitable purposes through the encouragement and facilitation of charitable giving by receiving charitable contributions, by providing support and assistance to encourage charitable contributions, and by making grants for purposes in Section 501(c)(3) of the Internal Revenue Code. The Reporting Person is a sponsoring organization of donor-advised funds. The Reporting Person is a Pennsylvania non-profit, non-stock corporation. |
| (d) | During the past five years, the Reporting Person has not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). |
| (e) | During the past five years, the Reporting Person has not been a party to any civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. |
| Item 3. | Source and Amount of Funds or Other Consideration |
The information set forth in Item 4 of this Schedule 13D Amendment is hereby incorporated by reference into this Item 3. | |
| Item 4. | Purpose of Transaction |
On March 19, 2026, Horizon Quantum Holdings Ltd., a Singapore public company limited by shares ("Horizon"), consummated the Transaction with dMY Squared Technology Group, Inc., a Massachusetts corporation (the "Issuer") and various other parties. As part of the Transaction, each outstanding share of Class A Common Stock of the Issuer (excluding any such shares which were redeemed as part of the Transaction) were automatically converted into the right to receive one Class A Share of Horizon (the "Horizon Class A Shares"). The Horizon Class A Shares were registered with the SEC on Form 8-A, effective March 19, 2025. Immediately following the Transaction, (i) there were 31,833,549 Horizon Class A Shares and 19,744,585 Horizon Class B Shares of Horizon issued and outstanding and (ii) the Reporting Person's entire holdings in Horizon securities consisted of 231,520 Horizon Class A Shares which shares it continues to hold as of the time of this Schedule 13D Amendment filing. The Reporting Person holds less than 5% of the Horizon Class A Shares and is not a Schedule 13D filer with regard to its holdings of Horizon Class A Shares. | |
| Item 5. | Interest in Securities of the Issuer |
| (a) | The responses to Items 7-13 of the cover page to this Schedule 13D Amendment are incorporated herein by reference. |
| (b) | The response to Item 5(a) is incorporated herein by reference. |
| (c) | Except as described in this Schedule 13D Amendment, there have been no transactions effected by the Reporting Person with respect to the Issuer's Class A common stock that were effected during the past sixty (60) days. |
| (d) | Not applicable. |
| (e) | After giving effect to this Transaction, the Reporting Person ceased to beneficially own 5% of the Class A Common Stock and has no further beneficial ownership reporting obligations. |
| 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.
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