13F Insight
DOSSIER · 13F Holders · Q4 2025

ARTIUS II ACQUISITION INC

33 institutions still hold ARTIUS II ACQUISITION INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0509J123·33 13F holders·last filed Dec 31, 2025
Market cap
—
13F value held
$4M
visible holders
Holders
33
filers reporting
Concentration
12.60%
AQR Arbitrage LLC #1
top holder share
AI Holders Summary · Q4 2025

33 institutions reported ARTIUS II ACQUISITION INC in Q4 2025. AQR Arbitrage LLC leads at 12.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
AQR Arbitrage LLC
CIK 0001167456
$501K1.5M0.01%Q4 202502
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
CIK 0001535845
$420K2.0M0.00%Q2 202603
Sculptor Capital LP
CIK 0001054587
$416K2.0M0.00%Q2 202604
HGC Investment Management Inc.
CIK 0001711200
$315K1.5M0.06%Q2 202605
Polar Asset Management Partners Inc.
CIK 0001326389
$315K1.5M0.01%Q2 202606
LINDEN ADVISORS LP
CIK 0001279396
$313K1.4M0.00%Q2 202607
Harraden Circle Investments, LLC
CIK 0001910592
$282K1.3M0.04%Q2 202608
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$206K980K0.00%Q2 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$147K700K0.00%Q2 202610
METEORA CAPITAL, LLC
CIK 0001905106
$118K560K0.01%Q2 202611
TORONTO DOMINION BANK
CIK 0000947263
$114K542K0.00%Q2 202612
Shaolin Capital Management LLC
CIK 0001766806
$106K504K0.01%Q2 202613
HBK INVESTMENTS L P
CIK 0001011443
$105K500K0.00%Q2 202614
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
$105K500K0.00%Q2 202615
PICTON MAHONEY ASSET MANAGEMENT
CIK 0001539041
$105K500K0.00%Q2 202616
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$97K463K0.00%Q2 202617
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$91K300K0.00%Q1 202618
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
CIK 0001083190
$76K364K0.00%Q2 202619
GLAZER CAPITAL, LLC
CIK 0001076809
$74K275K0.00%Q1 202620
Alpine Global Management, LLC
CIK 0001581655
$68K325K0.01%Q2 2026
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