3 institutions reported holding $4.8M of ARTIUS II ACQUISITION INC (AACBU) in SEC 13F filings for 2026-06-30. Largest institutional holders: LMR Partners LLP ($4.3M), Clear Street Group Inc. ($563,744), UBS Group AG ($737). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | LMR Partners LLP | $4.3M | 400,000 | Hold |
| 2 | Clear Street Group Inc. | $563,744 | 52,785 | Added |
| 3 | UBS Group AG | $737 | 69 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30