SEC 13F Intelligence

ARTIUS II ACQUISITION INC

CUSIP G0509J115

Artius II Acquisition Inc has 52 institutional holders in Filings Flow’s 13F database, together reporting 21.27M shares worth $220M as of Q1 2026. The largest reported holders are Hgc Investment Management Inc., Aqr Arbitrage LLC, and Glazer Capital, LLC.

Institutional Holders
52
Q1 2026
Reported Value
$220M
Ticker
unmapped
private placement or foreign
Quarters Tracked
4

Ownership Trend

Institutional holders
Q2 ’25: 41Q2 ’25Q3 ’25: 42Q3 ’25Q4 ’25: 47Q4 ’25Q1 ’26: 52Q1 ’26filingsflow.com
Total reported value
Q2 ’25: $192MQ2 ’25Q3 ’25: $214MQ3 ’25Q4 ’25: $215MQ4 ’25Q1 ’26: $220MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
HGC Investment Management Inc.$451M AUM3.44%$16M1.50MQ1 2026
AQR Arbitrage LLC$6.1B AUM0.24%$15M1.43MQ1 2026
GLAZER CAPITAL, LLC$4.7B AUM0.28%$13M1.30MQ1 2026
LINDEN ADVISORS LP$17.9B AUM0.06%$10M1.00MQ1 2026
Westchester Capital Management, LLC$2.2B AUM0.47%$10M995.9KQ1 2026
Alberta Investment Management Corp$16.7B AUM0.06%$10M980.0KQ1 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$62.2B AUM0.01%$9M850.0KQ1 2026
Polar Asset Management Partners Inc.$5.0B AUM0.17%$8M800.0KQ1 2026
PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM0.06%$8M750.0KQ1 2026
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.01%$7M725.0KQ1 2026
Radcliffe Capital Management, L.P.$1.3B AUM0.53%$7M678.7KQ1 2026
Magnetar Financial LLC$9.8B AUM0.06%$6M600.0KQ1 2026
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$6M600.0KQ1 2026
Shaolin Capital Management LLC$2.7B AUM0.21%$6M550.0KQ1 2026
Hudson Bay Capital Management LP$29.0B AUM0.02%$6M550.0KQ1 2026
Sculptor Capital LP$9.6B AUM0.05%$5M500.0KQ1 2026
MOORE CAPITAL MANAGEMENT, LP$4.9B AUM0.11%$5M500.0KQ1 2026
HBK INVESTMENTS L P$9.9B AUM0.05%$5M500.0KQ1 2026
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$5M462.8KQ1 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$19.6B AUM0.02%$4M398.1KQ1 2026
BERKLEY W R CORP$1.9B AUM0.22%$4M397.0KQ1 2026
First Trust Capital Management L.P.$1.9B AUM0.21%$4M380.0KQ1 2026
PERISCOPE CAPITAL INC.$902M AUM0.43%$4M375.0KQ1 2026
Jain Global LLC$24.2B AUM0.02%$4M366.8KQ1 2026
MANGROVE PARTNERS IM, LLC$1.2B AUM0.30%$4M356.2KQ1 2026
Verition Fund Management LLC$15.4B AUM0.02%$4M354.7KQ1 2026
RLH Capital LLC$197M AUM1.69%$3M321.0KQ1 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM0.15%$3M297.5KQ1 2026
Alpine Global Management, LLC$668M AUM0.66%$3M288.2KQ2 2025OLDER
Governors Lane LP$1.6B AUM0.17%$3M250.0KQ1 2026
Schonfeld Strategic Advisors LLC$14.2B AUM0.02%$3M245.6KQ1 2026
Fort Baker Capital Management LP$1.3B AUM0.19%$2M232.7KQ1 2026
TORONTO DOMINION BANK$69.7B AUM0.00%$2M225.0KQ1 2026
Quarry LP$558M AUM0.39%$2M210.5KQ1 2026
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$2M200.0KQ1 2026
GRITSTONE ASSET MANAGEMENT LLC$94M AUM2.18%$2M197.7KQ1 2026
SONA ASSET MANAGEMENT (US) LLC$4.7B AUM0.04%$2M172.9KQ1 2026
O'Connor Alternative Investments LLC$1.2B AUM0.14%$2M160.0KQ1 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)$3.4B AUM0.05%$2M160.0KQ4 2025OLDER
DLD Asset Management, LP$1.1B AUM0.13%$1M140.9KQ1 2026
Context Capital Management, LLC$4.3B AUM0.03%$1M112.2KQ1 2026
K2 PRINCIPAL FUND, L.P.$1.4B AUM0.16%$1M112.0KQ2 2025OLDER
METEORA CAPITAL, LLC$1.4B AUM0.08%$1M109.2KQ1 2026
Centiva Capital, LP$13.6B AUM0.01%$1M100.0KQ1 2026
MIZUHO SECURITIES USA LLC$4.2B AUM0.02%$1M100.2KQ1 2026
L1 Global Manager Pty Ltd$149M AUM0.52%$775,50075.0KQ1 2026
ATW SPAC MANAGEMENT LLC$79M AUM0.97%$766,71775.3KQ3 2025OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$570,44355.2KQ1 2026
BOOTHBAY FUND MANAGEMENT, LLC$7.7B AUM0.01%$468,56745.3KQ1 2026
Clear Street Group Inc.$24.6B AUM0.00%$382,30137.0KQ1 2026
CLEAR STREET LLC$25.1B AUM0.00%$333,68733.0KQ2 2025OLDER
Crossingbridge Advisors, LLC$553M AUM0.05%$258,50025.0KQ1 2026
BARDIN HILL MANAGEMENT PARTNERS LP$0 AUM0.15%$253,27325.0KQ2 2025OLDER
ABC ARBITRAGE SA$753M AUM0.03%$206,80020.0KQ1 2026
Virtu Financial LLC$2.4B AUM0.01%$191,00018.5KQ1 2026
WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM0.00%$171,91316.6KQ1 2026
FNY Investment Advisers, LLC$278M AUM0.00%$1,000112Q1 2026
MORGAN STANLEY$1.66T AUM0.00%$73471Q1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.