Who Owns ARTIUS II ACQUISITION INC (AACB)? -- Institutional Holders (2026-06-30)
54 institutions reported holding $221.9M of ARTIUS II ACQUISITION INC (AACB) in SEC 13F filings for 2026-06-30. Largest institutional holders: HGC Investment Management Inc. ($15.7M), AQR Arbitrage LLC ($15.1M), GLAZER CAPITAL, LLC ($13.6M), Linden Advisors LP ($10.5M), Westchester Capital Management, LLC ($10.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | HGC Investment Management Inc. | $15.7M | 1.5M | Hold |
| 2 | AQR Arbitrage LLC | $15.1M | 1.4M | Added |
| 3 | GLAZER CAPITAL, LLC | $13.6M | 1.3M | Added |
| 4 | Linden Advisors LP | $10.5M | 1.0M | Hold |
| 5 | Westchester Capital Management, LLC | $10.4M | 995,939 | Hold |
| 6 | Alberta Investment Management Corp | $10.3M | 980,000 | Hold |
| 7 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $8.9M | 850,000 | Hold |
| 8 | Polar Asset Management Partners Inc. | $8.4M | 800,000 | Hold |
| 9 | PICTON MAHONEY ASSET MANAGEMENT | $7.9M | 750,000 | Hold |
| 10 | TWO SIGMA INVESTMENTS, LP | $7.6M | 725,000 | Hold |
| 11 | Radcliffe Capital Management, L.P. | $7.1M | 678,671 | Hold |
| 12 | D. E. Shaw & Co., Inc. | $6.3M | 600,000 | Hold |
| 13 | Magnetar Financial LLC | $6.3M | 600,000 | Hold |
| 14 | Hudson Bay Capital Management LP | $5.8M | 550,000 | Hold |
| 15 | Governors Lane LP | $5.2M | 500,000 | Added |
| 16 | MOORE CAPITAL MANAGEMENT, LP | $5.2M | 500,000 | Hold |
| 17 | Sculptor Capital LP | $5.2M | 500,000 | Hold |
| 18 | HBK INVESTMENTS L P | $5.2M | 499,998 | Hold |
| 19 | GOLDMAN SACHS GROUP INC | $4.9M | 462,806 | Hold |
| 20 | Periscope Capital Inc. | $4.5M | 425,000 | Added |
| 21 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $4.2M | 398,075 | Hold |
| 22 | BERKLEY W R CORP | $4.2M | 396,960 | Hold |
| 23 | First Trust Capital Management L.P. | $4.0M | 380,000 | Hold |
| 24 | TORONTO DOMINION BANK | $3.9M | 375,190 | Added |
| 25 | MANGROVE PARTNERS IM, LLC | $3.7M | 356,172 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30