| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Artius II Acquisition Partners LLC | 20% | $56,069,000 | 5,675,000 | Artius II Acquisition Partners LLC | 14 Feb 2025 | |||
| AQR CAPITAL MANAGEMENT LLC | 6.4% | -29% | $15,202,315 | -$4,835,285 | 1,502,205 | -24% | AQR Capital Management, LLC | 30 Jun 2025 |
| HGC Investment Management Inc. | 6.8% | $15,435,000 | 1,500,000 | HGC Investment Management Inc | 31 Dec 2025 | |||
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 3.8% | -52% | $8,746,500 | -$11,833,500 | 850,000 | -58% | Healthcare of Ontario Pension Plan Trust Fund | 31 Dec 2025 |
| Polar Asset Management Partners Inc. | 3.6% | $8,358,896 | 812,332 | Polar Asset Management Partners Inc. | 31 Dec 2025 |
As of 31 Dec 2025, 47 institutional investors reported holding 20,880,226 shares of Artius II Acquisition Inc. - Class A Common Stock (AACB). This represents 94% of the company’s total 22,189,349 outstanding shares.
The largest institutional shareholders of Artius II Acquisition Inc. - Class A Common Stock (AACB) together control 80% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| HGC Investment Management Inc. | 6.8% | 1,500,000 | 0% | 3.3% | $15,450,000 |
| AQR Arbitrage LLC | 6.7% | 1,490,205 | 0% | 0.32% | $15,349,112 |
| Glazer Capital, LLC | 5.2% | 1,155,161 | -3.3% | 0.31% | $11,898,000 |
| Linden Advisors LP | 4.5% | 1,000,000 | 0% | 0.06% | $10,300,000 |
| Westchester Capital Management, LLC | 4.5% | 995,939 | 0% | 0.48% | $10,258,172 |
| Alberta Investment Management Corp | 4.4% | 980,000 | 0% | 0.06% | $10,094,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 3.8% | 850,000 | -58% | 0.01% | $8,755,000 |
| Polar Asset Management Partners Inc. | 3.7% | 812,332 | -19% | 0.17% | $8,367,020 |
| PICTON MAHONEY ASSET MANAGEMENT | 3.4% | 750,000 | 0% | 0.08% | $7,725,000 |
| TWO SIGMA INVESTMENTS, LP | 3.3% | 725,000 | 0% | 0.01% | $7,467,500 |
| Radcliffe Capital Management, L.P. | 3% | 667,119 | +2.6% | 0.37% | $6,871,326 |
| Magnetar Financial LLC | 2.7% | 600,000 | 0% | 0.06% | $6,180,000 |
| D. E. Shaw & Co., Inc. | 2.7% | 600,000 | 0% | 0% | $6,180,000 |
| Hudson Bay Capital Management LP | 2.5% | 550,000 | 0.03% | $5,665,000 | |
| Sculptor Capital LP | 2.3% | 500,000 | -50% | 0.06% | $5,150,000 |
| MOORE CAPITAL MANAGEMENT, LP | 2.3% | 500,000 | 0% | 0.1% | $5,150,000 |
| Jain Global LLC | 2.3% | 500,000 | 0% | 0.05% | $5,150,000 |
| HBK INVESTMENTS L P | 2.3% | 499,998 | 0% | 0.06% | $5,149,979 |
| Shaolin Capital Management LLC | 2.2% | 490,000 | +32% | 0.19% | $5,047,000 |
| GOLDMAN SACHS GROUP INC | 2.1% | 462,806 | +0% | 0% | $4,766,902 |
| Periscope Capital Inc. | 2% | 450,000 | +4% | 0.9% | $4,635,000 |
| MANGROVE PARTNERS IM, LLC | 2% | 449,998 | -0% | 0.38% | $4,634,979 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 1.8% | 400,000 | 0% | 0.02% | $4,120,000 |
| BERKLEY W R CORP | 1.8% | 396,960 | 0% | 0.23% | $4,088,688 |
| First Trust Capital Management L.P. | 1.7% | 380,000 | 0% | 0.24% | $3,914,000 |