Who Owns ARTIUS II ACQUISITION INC (AACBR)? -- Institutional Holders (2026-03-31)
35 institutions reported holding $5.9M of ARTIUS II ACQUISITION INC (AACBR) in SEC 13F filings for 2026-03-31. Largest institutional holders: Sculptor Capital LP ($564,399), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($544,800), HGC Investment Management Inc. ($453,000), Polar Asset Management Partners Inc. ($450,000), Linden Advisors LP ($411,813). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Sculptor Capital LP | $564,399 | 2.0M | Hold |
| 2 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $544,800 | 2.0M | Hold |
| 3 | HGC Investment Management Inc. | $453,000 | 1.5M | Hold |
| 4 | Polar Asset Management Partners Inc. | $450,000 | 1.5M | Hold |
| 5 | Linden Advisors LP | $411,813 | 1.4M | Hold |
| 6 | AQR Arbitrage LLC | $405,169 | 1.5M | Trimmed |
| 7 | Harraden Circle Investments, LLC | $404,990 | 1.3M | Trimmed |
| 8 | Alberta Investment Management Corp | $295,862 | 980,000 | Hold |
| 9 | MILLENNIUM MANAGEMENT LLC | $211,336 | 700,000 | Hold |
| 10 | TORONTO DOMINION BANK | $181,286 | 600,285 | Trimmed |
| 11 | Magnetar Financial LLC | $163,440 | 600,000 | Hold |
| 12 | METEORA CAPITAL, LLC | $151,176 | 559,705 | Added |
| 13 | MOORE CAPITAL MANAGEMENT, LP | $150,950 | 500,000 | Hold |
| 14 | Shaolin Capital Management LLC | $150,950 | 500,000 | Trimmed |
| 15 | PICTON MAHONEY ASSET MANAGEMENT | $150,950 | 500,000 | Hold |
| 16 | HBK INVESTMENTS L P | $136,200 | 500,000 | Hold |
| 17 | BNP PARIBAS FINANCIAL MARKETS | $131,897 | 462,795 | Hold |
| 18 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $103,800 | 364,209 | Hold |
| 19 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $90,534 | 299,872 | Hold |
| 20 | Alpine Global Management, LLC | $87,675 | 324,602 | Trimmed |
| 21 | GLAZER CAPITAL, LLC | $74,000 | 275,000 | Trimmed |
| 22 | Radcliffe Capital Management, L.P. | $71,279 | 250,059 | Hold |
| 23 | Clear Street Group Inc. | $68,407 | 226,588 | Trimmed |
| 24 | GRITSTONE ASSET MANAGEMENT LLC | $59,672 | 197,655 | Hold |
| 25 | Periscope Capital Inc. | $49,884 | 175,000 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31