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AACBU — Artius II Acquisition Inc Institutional Holders · Q2 2026

Who owns Artius II Acquisition Inc (AACBU)? 3 institutions reported holding $4.84M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: LMR Partners LLP ($4.3M), Clear Street Group Inc. ($563,744), UBS Group AG ($737).

RankInstitutionValueSharesChange
1LMR Partners LLP$4.3M400,000Hold
2Clear Street Group Inc.$563,74452,785Added
3UBS Group AG$73769Trimmed

Source: SEC Form 13F filings · as of 2026-06-30