AACBU — ARTIUS II ACQUISITION INC
As of Q2 2026, 1 SEC-registered investment managers reported holding AACBU (ARTIUS II ACQUISITION INC) in their latest 13F filings, with a combined reported value of $737 across 69 shares. That is -1.4% by share count (-1 shares) versus the previous quarter, while reported value moved +1.2%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 1 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 1 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 69 | $737 | 0.00% | Reduce |
Q1 2026 — 1 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 70 | $728 | 0.00% | Reduce |
Q4 2025 — 1 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 73 | $759 | 0.00% | Reduce |
Q3 2025 — 1 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| UBS Group AG history | 238 | $2.46K | 0.00% | Add |
Q2 2025 — 2 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Millennium Management history | 200.00K | $2.10M | 0.00% | Reduce |
| UBS Group AG history | 200 | $2.10K | 0.00% | New |
Q1 2025 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.31M | 0.02% | New |
| Two Sigma Investments history | 725.00K | $7.31M | 0.02% | New |
| Millennium Management history | 700.00K | $7.05M | 0.00% | New |
| Moore Capital Management history | 500.00K | $5.05M | 0.11% | New |
| JPMorgan Chase & Co history | 5.00K | $50.55K | 0.00% | New |
| JPMorgan Chase & Co history | 5.00K | $50.55K | 0.00% | New |
New Positions (Q2 2026)
No fund opened a new position this quarter.
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 5 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 |
|---|---|---|---|---|---|---|
| UBS Group AG | 69 | 70 | 73 | 238 | 200 | — |
| JPMorgan Chase & Co | — | — | — | — | — | 5.00K |
| Two Sigma Investments | — | — | — | — | — | 725.00K |
| Millennium Management | — | — | — | — | 200.00K | 700.00K |
| Moore Capital Management | — | — | — | — | — | 500.00K |