$ARTC

$10.02 -$0.01 (0.1%) Close

$ARTC Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 34.8M shares outstanding

Who owns ARTC?

By type of holder

Institutions 69.1% Insiders 0.0% Everyone else 30.9%

Concentration Top 10 holders own 40.8%

Art Technology Sponsor, LLC 9.4% · Linden Advisors LP 4.6%

Institutional ownership

69.1%

+1.1 pts vs last qtr

Institutional holders

+3 vs last qtr

Net shares bought

+370.5K

by institutions in Q2 2026

New / sold out

5 / 2

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Karpus Management, Inc. NEW +973.2K
Wolverine Asset Management LLC +562.7K

Biggest sellers in Q2 2026

Shaolin Capital Management LLC −519.5K
Clear Street Group Inc. −509.1K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Art Technology Acquisition Corp in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for Art Technology Acquisition Corp.

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

9.9%

of institutional shares changed hands

Top 10 managers, median time held

1 quarter

Super Investors

Investment managers reporting ARTC on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
LA Linden Advisors LP	1.6M	4.59%	Unchanged	Q1 '26	0.1%
Shares held by quarter Peak holding1.6M (Q1'26) Change over 8 quarters+1.6M Share of the company4.590% Linden Advisors LP's full portfolio →
PA Polar Asset Management Partners Inc.	1.5M	4.43%	+43.4K (+2.9%)	Q1 '26	0.3%
Shares held by quarter Peak holding1.5M (Q2'26) Change over 8 quarters+1.5M Share of the company4.430% Polar Asset Management Partners Inc.'s full portfolio →

Linden Advisors LP

1.6M

% of company

4.59%

Change vs last qtr

Unchanged

Held since

Q1 '26

Polar Asset Management Partners Inc.

1.5M

% of company

4.43%

Change vs last qtr

+43.4K (+2.9%)

Held since

Q1 '26

25 more super investors behind a free account

See every manager holding Art Technology Acquisition Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ARTC on Form N-PORT; together they hold 0.4% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
FT First Trust Merger Arbitrage Fund Investment Managers Series Trust II	$568K	57.1K	0.16%	0.03%	June 30, 2026
SA The SPAC and New Issue ETF Collaborative Investment Series Trust	$483K	48.5K	0.14%	5.86%	June 30, 2026

First Trust Merger Arbitrage Fund

Investment Managers Series Trust II

Position value

$568K

% of company

0.16%

% of the fund

0.03%

As of

June 30, 2026

The SPAC and New Issue ETF

Collaborative Investment Series Trust

Position value

$483K

% of company

0.14%

% of the fund

5.86%

As of

June 30, 2026

3 more funds behind a free account

See every fund holding Art Technology Acquisition Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AT Art Technology Sponsor, LLC 5%+ holder 13D · 10.4%	3.3M	9.42%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company9.420% Disclosed stake13D · 10.4% View the 13D/G filing →

Art Technology Sponsor, LLC

5%+ holder13D · 10.4%

3.3M

% of company

9.42%

Change vs last qtr

—

Held since

—

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