Art Technology Acquisition Corp. reports beneficial ownership by Highbridge Capital Management, LLC. Highbridge holds 1,500,000 Class A Ordinary Shares, representing 5.7% of the class based on 26,125,000 shares outstanding as of March 13, 2026. The shares are held by Highbridge-managed funds and the filing states those funds have the right to receive dividends or proceeds from sales. The statement was signed by Kirk Rule on 05/15/2026.
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Insights
Highbridge reports a 5.7% stake (1.5M shares) in ARTC held for its funds.
Highbridge Capital Management, LLC discloses 1,500,000 shares of Class A Ordinary Shares with sole voting and dispositive power, calculated against 26,125,000 shares outstanding as of March 13, 2026. The position is reported on behalf of Highbridge-managed funds that have economic rights to dividends and sale proceeds.
The filing is a passive ownership disclosure under Schedule 13G and does not indicate planned transactions. Subsequent filings would reflect any change in percentage or voting/dispositive power.
Key Figures
Shares beneficially owned:1,500,000 sharesPercent of class:5.7%Shares outstanding:26,125,000 shares+1 more
4 metrics
Shares beneficially owned1,500,000 sharesreported beneficial ownership by Highbridge
Percent of class5.7%calculated on 26,125,000 shares outstanding as of March 13, 2026
Shares outstanding26,125,000 sharesas of March 13, 2026 (source: issuer's Form 10-K)
Filing signature date05/15/2026Schedule 13G signed by Kirk Rule
Key Terms
Schedule 13G, beneficially owned, sole dispositive power, Class A Ordinary Shares
4 terms
Schedule 13Gregulatory
"This statement is filed by Highbridge Capital Management, LLC"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
beneficially ownedfinancial
"Amount beneficially owned: The information required by Item 4(a)"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
sole dispositive powerfinancial
"Sole Dispositive Power 1,500,000.00"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
Class A Ordinary Sharesmarket
"Title of class of securities: Class A Ordinary Shares, par value $0.0001"
Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Art Technology Acquisition Corp.
(Name of Issuer)
Class A Ordinary Shares, par value $0.0001 per share
(Title of Class of Securities)
G0579E103
(CUSIP Number)
03/31/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
G0579E103
1
Names of Reporting Persons
Highbridge Capital Management, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,500,000.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,500,000.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,500,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.7 %
12
Type of Reporting Person (See Instructions)
IA, OO
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Art Technology Acquisition Corp.
(b)
Address of issuer's principal executive offices:
2929 Arch Street, Suite 1703, Philadelphia, PA 19104
Item 2.
(a)
Name of person filing:
This statement is filed by Highbridge Capital Management, LLC ("Highbridge" or the "Reporting Person"), a Delaware limited liability company and the investment adviser to certain funds and accounts (the "Highbridge Funds"), with respect to the Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares"), of Art Technology Acquisition Corp., a Cayman Islands exempted company (the "Issuer"), directly held by the Highbridge Funds;
The filing of this statement should not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934, the beneficial owner of the securities reported herein.
(b)
Address or principal business office or, if none, residence:
The address of the business office of the Reporting Person is 390 Madison Avenue, 28th Floor, New York, NY 10017.
(c)
Citizenship:
Highbridge is a Delaware limited liability company.
(d)
Title of class of securities:
Class A Ordinary Shares, par value $0.0001 per share
(e)
CUSIP Number(s):
G0579E103
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)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
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)
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)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
The information required by Item 4(a) is set forth in Row 9 of the cover page for the Reporting Person and is incorporated herein by reference.
The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 26,125,000 Class A Ordinary Shares outstanding as of March 13, 2026, as reported in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025, filed with the Securities and Exchange Commission on March 17, 2026.
(b)
Percent of class:
5.7%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for the Reporting Person and is incorporated herein by reference.
(ii) Shared power to vote or to direct the vote:
The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for the Reporting Person and is incorporated herein by reference.
(iii) Sole power to dispose or to direct the disposition of:
The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for the Reporting Person and is incorporated herein by reference.
(iv) Shared power to dispose or to direct the disposition of:
The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for the Reporting Person and is incorporated herein by reference.
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.
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 Item 2(a). The Highbridge Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Class A Ordinary Shares reported herein.
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 acquired and are held in the ordinary course of business and 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.
What stake does Highbridge Capital report in ARTC?
Highbridge reports ownership of 1,500,000 Class A Ordinary Shares, equal to 5.7% of the class based on 26,125,000 outstanding as of March 13, 2026. The shares are held by Highbridge-managed funds.
How was the 5.7% ownership calculated for ARTC?
The percentage uses 26,125,000 Class A Ordinary Shares outstanding as reported in ARTC's Form 10-K for the year ended December 31, 2025. The filing cites that outstanding share count as of March 13, 2026.
Does Highbridge have voting or disposition power over the shares?
Yes. The filing shows sole voting power and sole dispositive power for 1,500,000 shares, indicating direct control to vote and to direct disposition for those shares.
Are the shares reported held personally by Highbridge or on behalf of funds?
The filing states the shares are held by the Highbridge Funds and that Highbridge is the investment adviser reporting on behalf of those funds, which have the right to receive dividends or proceeds.
When was the Schedule 13G signed for this disclosure?
The Schedule 13G was signed by Kirk Rule, Executive Director on 05/15/2026, certifying the ownership details included in the filing.
