HolderBook

ARTIUS II ACQUISITION INC (AACB)

Institutional ownership reported to the SEC as of Q2 2026, across 5 quarters.

51
Reporting holders
$230.9M
Reported value
0.0%
Calls
0.0%
Puts
-1
Holder change

Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.

Holders

Download these holders as CSV

FilerValueShares Their book Held Change
HGC Investment Management Inc.$15.7M1,500,0003.11%4qHELD
AQR Arbitrage LLC$15.1M1,440,2250.21%5q+0.6%+$84.3K
GLAZER CAPITAL, LLC$13.6M1,295,1300.33%5qHELD
HBK INVESTMENTS L P$10.5M999,9960.05%5q+100.0%+$5.2M
Linden Advisors LP$10.5M1,000,0000.05%5qHELD
Westchester Capital Management, LLC$10.4M995,9390.51%5qHELD
Alberta Investment Management Corp$10.3M980,0000.06%5qHELD
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$8.9M850,0000.01%5qHELD
Polar Asset Management Partners Inc.$8.4M800,0000.14%5qHELD
PICTON MAHONEY ASSET MANAGEMENT$7.9M750,0000.06%5qHELD
TWO SIGMA INVESTMENTS, LP$7.6M725,0000.01%5qHELD
Radcliffe Capital Management, L.P.$7.1M678,6710.54%5qHELD
D. E. Shaw & Co., Inc.$6.3M600,0000.00%5qHELD
Magnetar Financial LLC$6.3M600,0000.06%5qHELD
Hudson Bay Capital Management LP$5.8M550,0000.02%3qHELD
Verition Fund Management LLC$5.4M514,7140.01%4q+45.1%+$1.7M
Sculptor Capital LP$5.2M500,0000.04%5qHELD
MOORE CAPITAL MANAGEMENT, LP$5.2M500,0000.08%5qHELD
Governors Lane LP$5.2M500,0000.44%5q+100.0%+$2.6M
GOLDMAN SACHS GROUP INC$4.9M462,8060.00%5qHELD
Periscope Capital Inc.$4.5M425,0000.39%5q+13.3%+$524.5K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$4.2M398,0750.02%5qHELD
BERKLEY W R CORP$4.2M396,9600.20%5qHELD
First Trust Capital Management L.P.$4.0M380,0000.23%5qHELD
TORONTO DOMINION BANK$3.9M375,1900.00%5q+66.8%+$1.6M
MANGROVE PARTNERS IM, LLC$3.7M356,1720.25%4qHELD
Shaolin Capital Management LLC$3.7M351,8270.18%5q-36.0%-$2.1M
RIVERNORTH CAPITAL MANAGEMENT, LLC$3.1M297,5000.15%4qHELD
Quarry LP$2.6M252,2360.22%3q+19.8%+$437.8K
RLH Capital LLC$2.6M252,2361.27%2q-21.4%-$721.3K
Schonfeld Strategic Advisors LLC$2.6M245,6310.01%5qHELD
Jain Global LLC$2.1M202,0910.01%5q-44.9%-$1.7M
MILLENNIUM MANAGEMENT LLC$2.1M200,0000.00%4qHELD
GRITSTONE ASSET MANAGEMENT LLC$2.1M197,6561.99%5qHELD
MIZUHO SECURITIES USA LLC$2.1M200,3920.02%5q+100.0%+$1.0M
HIGHBRIDGE CAPITAL MANAGEMENT LLC$1.9M177,8980.05%newNEW
SONA ASSET MANAGEMENT (US) LLC$1.8M172,8740.04%2qHELD
O'Connor Alternative Investments LLC$1.7M160,0000.12%2qHELD
DLD Asset Management, LP$1.5M140,8940.10%5qHELD
Context Capital Management, LLC$1.2M112,1910.02%5qHELD
Meteora Capital, LLC$1.1M109,2260.09%3qHELD
Centiva Capital, LP$1.0M100,0000.01%5qHELD
L1 Global Manager Pty Ltd$786.8K75,0000.56%3qHELD
BNP PARIBAS FINANCIAL MARKETS$578.7K55,2220.00%2qHELD
BOOTHBAY FUND MANAGEMENT, LLC$475.4K45,3160.01%5qHELD
Clear Street Group Inc.$375.5K35,7990.00%4q-3.2%-$12.3K
PenderFund Capital Management Ltd.$340.6K32,5000.04%newNEW
ABC ARBITRAGE SA$209.8K20,0000.02%3qHELD
WOLVERINE ASSET MANAGEMENT LLC$133.9K12,7600.00%5q-23.3%-$40.6K
FNY Investment Advisers, LLC$1.0K1120.00%5qHELD
MORGAN STANLEY$535510.00%5q-28.2%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 202651$230.9M22,023,2902860.0%
Q1 202652$219.8M21,265,55447120.0%
Q4 202547$215.0M20,880,2265890.0%
Q3 202543$214.1M21,102,3185690.0%
Q2 202541$192.2M18,992,04540000.0%