Art Technology Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (ARTCU)

Q: What does CUSIP G0579E129 represent in this 13F holders report?

CUSIP G0579E129 is the security identifier for ARTCU - Art Technology Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held ARTCU - Art Technology Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share in Q2 2026?

1 institutional investor reported ARTCU - Art Technology Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share for Q2 2026. Use the holders table for investor-level position and value details.

CUSIP: G0579E129

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Class A ordinary shares, par value $0.0001 per share
Total 13F shares: 26,923
Total 13F value: $268,692
Share change: +1,923
SEC-reported price per share: $9.98
Number of holders: 1
Value change: +$19,192
Number of buys: 1
Shares outstanding: 26,315,789

Security key

G0579E129

Report period

Q2 2026

Institutions

Top holders

ARTCU full security history Ownership snapshot Full 13F holder table Previous quarter: Q1 2026 Art Technology Acquisition Corp. SEC filings Art Technology Acquisition Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G0579E129

Previous quarter: Q1 2026

Recent filing periods:

Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of ARTCU - Art Technology Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Art Technology Sponsor, LLC

Disclosed value leader

HIGHBRIDGE CAPITAL MANAGE...

Comparable rows

15/15

Latest evidence

31 Mar 2026

3/4/5 13D/G 13F Lead comparable stake: 29% 13D/G row: Art Technology Sponsor, LLC Showing 1-6 of 15 holder rows.

Quick read

Art Technology Sponsor, LLC leads the comparable SEC ownership view at 29%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Art Technology Sponsor, LLC's linked filing trail.

Comparable ownership Top 5

Art Technology Sponsor, LLC 29%

Linden Capital L.P. 7%

TENOR CAPITAL MANAGEMENT Co., L.P. 6.6%

HIGHBRIDGE CAPITAL MANAGEMENT LLC 5.7%

Polar Asset Management Partners Inc. 5.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Art Technology Sponsor, LLC	3/4/5 13D/G 10%+ Owner · Daniel G. Cohen 3/4/5 13D/G	29% from 13D/G	— 530,000 shares	—	05 Jan 2026
Linden Capital L.P.	13D/G 13D/G	7%	— 1,600,000 shares	$0	08 Jan 2026
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	6.6% from 13D/G	$14,828,213 1,875,000 shares mixed-class rows	—	31 Mar 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC	13F 13D/G Company 13F 13D/G	5.7% from 13D/G	$15,024,300 1,540,000 shares mixed-class rows	—	31 Mar 2026
Polar Asset Management Partners Inc.	13D/G 13F Company 13D/G 13F	5.7%	$14,850,000 1,500,000 shares	$0	31 Mar 2026
ARISTEIA CAPITAL, L.L.C.	13D/G 13F Company 13D/G 13F	5.5%	$14,213,598 1,435,717 shares	$0	31 Mar 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

26,923

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Q2 2026 holders

Holder diff

-17

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend