Artius II AcquisitionAACBR Preferred / convertible 13F holders, Q2 2025 (June 30) 32 holders
1 famous investor
$0.25 avg. 13F price*
At the end of Q2 2025 , 32 institutions reported holding Artius II Acquisition Inc. (AACBR) in their 13F filings. The largest holders were Healthcare of Ontario Pension Plan Trust Fund ($560K), AQR Arbitrage LLC ($554K) and Sculptor Capital LP ($475K). One famous investor held it Israel Englander ( of Millennium Management's portfolio).
Company Artius II Acquisition Inc.
CUSIP G0509J123
Latest filing quarter Q2 2026 History Number of 13F holders
Total Exit/New Position Q2 2025 Institutions Total Value New Positions 9 $1.0M Exits 0 $0
Ownership 32 holders Portfolio Manager % of Holder's Portfolio Change Shares Value ▼ Healthcare of Ontario Pension Plan Trust Fund — No change 2,000,000 $560K AQR Arbitrage LLC — No change 1,980,000 $554K Sculptor Capital LP — No change 1,980,000 $475K Polar Asset Management Partners Inc. — No change 1,500,000 $360K Linden Advisors LP — Add +37.5% 1,375,000 $344K Alberta Investment Management Corp — New 980,000 $235K Toronto Dominion Bank — New 945,819 $227K Shaolin Capital Management LLC — Add +21.4% 850,000 $204K Glazer Capital, LLC — Reduce -36.7% 771,348 $185K Magnetar Financial LLC — No change 600,000 $168K HBK Investments L P — No change 500,000 $140K Moore Capital Management, LP — No change 500,000 $140K Harraden Circle Investments, LLC — New 523,500 $126K Picton Mahoney Asset Management — No change 500,000 $121K Millennium Management — New 500,000 $120K Commonwealth of Pennsylvania Public School Empls Retrmt SYS — New 398,909 $112K Decagon Asset Management LLP — New 350,296 $84K Alpine Global Management, LLC — Add +32.0% 330,002 $79K Schonfeld Strategic Advisors LLC — No change 287,641 $69K Meteora Capital, LLC — Reduce -2.0% 232,800 $56K Clear Street LLC — New 230,242 $55K Gritstone Asset Management LLC — No change 200,000 $48K Periscope Capital Inc. — Add +75.0% 175,000 $42K Context Capital Management, LLC — No change 162,191 $39K Verition Fund Management LLC — New 123,059 $34K Boothbay Fund Management, LLC — No change 125,316 $30K Atw Spac Management LLC — No change 125,316 $30K Berkley W R Corp. — Reduce -68.8% 124,050 $30K Centiva Capital, LP — No change 100,000 $28K K2 Principal Fund, L.P. — No change 112,006 $27K Mizuho Securities USA LLC — — 100,000 $18K Parallax Volatility Advisers, L.P. — New 35,500 $9K
"% of holder's portfolio" is AACBR's weight in each manager's 13F, not the share of Artius II Acquisition Inc. the manager owns.