DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated

ART TECHNOLOGY ACQUISITION C

33 institutions still hold ART TECHNOLOGY ACQUISITION C as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0579E103·33 13F holders·last filed Mar 31, 2026

Market cap

—

▲ 0.5%

vs prior quarter

13F value held

$143M

77.0% inst. owned

of float

Holders

33

-80 QoQ

filers reporting

Activity

+14 / −36

+782 added · −719 reduced

this quarter

Concentration

10.97%

LINDEN ADVISORS LP #1

top holder share

AI Holders Summary · Q1 2026

33 institutions reported ART TECHNOLOGY ACQUISITION C in Q1 2026. LINDEN ADVISORS LP leads at 11.0% of the visible book. -80 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter

LINDEN ADVISORS LP

$16M1.6M0.09%Q1 2026 02

TENOR CAPITAL MANAGEMENT Co., L.P.

$15M1.5M0.23%Q1 2026 03

Polar Asset Management Partners Inc.

$15M1.5M0.29%Q1 2026 04

HIGHBRIDGE CAPITAL MANAGEMENT LLC

$15M1.5M0.48%Q1 2026 05

ARISTEIA CAPITAL, L.L.C.

$14M1.4M0.29%Q1 2026 06

METEORA CAPITAL, LLC

$10M1.1M0.76%Q1 2026 07

Shaolin Capital Management LLC

$9M910K0.33%Q1 2026 08

SONA ASSET MANAGEMENT (US) LLC

$7M750K0.16%Q1 2026 09

Alberta Investment Management Corp

CIK 0001463559· Sovereign

$7M750K0.04%Q1 2026 10

Clear Street Group Inc.

$7M680K0.03%Q1 2026 11

BNP PARIBAS FINANCIAL MARKETS

$6M604K0.00%Q1 2026 12

PERISCOPE CAPITAL INC.

$6M585K0.64%Q1 2026 13

TWO SIGMA INVESTMENTS, LP

$4M399K0.00%Q1 2026 14

Parallax Volatility Advisers, L.P.

$3M340K0.01%Q1 2026 15

BERKLEY W R CORP

$2M248K0.13%Q1 2026 16

BOOTHBAY FUND MANAGEMENT, LLC

$2M197K0.03%Q1 2026 17

Hudson Bay Capital Management LP

$2M185K0.01%Q1 2026 18

Radcliffe Capital Management, L.P.

$1M134K0.10%Q1 2026 19

WHITEBOX ADVISORS LLC

$1M126K0.02%Q1 2026 20

Ghisallo Capital Management LLC

$981,500100K0.03%Q1 2026

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