Artius II AcquisitionAACBU

13F holders, Q3 2025 (September 30)
3holders −3
0new positions
3sold out
$10.35avg. 13F price*

At the end of Q3 2025, 3 institutions reported holding Artius II Acquisition Inc. (AACBU) in their 13F filings, down 3 from Q2 2025. 0 opened new positions and 3 sold out. The largest holders were LMR Partners LLP ($4.1M), Clear Street Group Inc. ($467K) and UBS Group AG ($2K).

Company
Artius II Acquisition Inc.
CUSIP
G0509J107
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q1 2025: 30Q1 2025Q2 2025: 6Q2 2025Q3 2025: 3Q3 2025Q4 2025: 3Q4 2025Q1 2026: 3Q1 2026Q2 2026: 3Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions0$0
Exits3$20.7M

All 13F filers, Q2 2025 → Q3 2025: 38 shares bought and 2,000,000 shares sold, net −1,999,962 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 3 holders

LMR Partners LLP 0.08% No change 400,000 $4.1M
Clear Street Group Inc. 0.00% — 45,153 $467K
UBS Group AG 0.00% Add +19.0% 238 $2K

"% of holder's portfolio" is AACBU's weight in each manager's 13F, not the share of Artius II Acquisition Inc. the manager owns.