Institutional Ownership
Artius II Acquisition Inc
CUSIP G0509J115SHS CL AQ1 2026
13D / 13G Filings
7
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
20.5%
Max % of class reported
Institutional Holders
52
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
7 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Polar Asset Management Partners Inc. | 13G/A | 3.6% | 812.3K | SEC |
| 2 | Feb 17, 2026 | Hgc Investment Management Inc | 13G | 6.8% | 1.50M | SEC |
| 3 | Feb 13, 2026 | Healthcare Of Ontario Pension Plan Trust Fund | 13G/A | 3.8% | 850.0K | SEC |
| 4 | Aug 14, 2025 | Aqr Capital Management, LLC | 13G/A | 6.3% | 1.50M | SEC |
| 5 | May 14, 2025 | Healthcare Of Ontario Pension Plan Trust Fund | 13G | 8.5% | 2.00M | SEC |
| 6 | May 13, 2025 | Aqr Capital Management, LLC | 13G | 8.9% | 198.00T | SEC |
| 7 | Feb 14, 2025 | Artius II Acquisition Partners LLC | 13G | 20.5% | — | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Hgc Investment Management Inc. | 1.50M | $15.51M |
| 2 | Aqr Arbitrage LLC | 1.43M | $14.79M |
| 3 | Linden Advisors LP | 1.00M | $10.33M |
| 4 | Westchester Capital Management, LLC | 995.9K | $10.29M |
| 5 | Alberta Investment Management Corp | 980.0K | $10.12M |
| 6 | Healthcare Of Ontario Pension Plan Trust Fund | 850.0K | $8.78M |
| 7 | Polar Asset Management Partners Inc. | 800.0K | $8.27M |
| 8 | Picton Mahoney Asset Management | 750.0K | $7.75M |
| 9 | Two Sigma Investments, LP | 725.0K | $7.50M |
| 10 | Radcliffe Capital Management, L.P. | 678.7K | $7.02M |