AACB — ARTIUS II ACQUISITION INC
As of Q2 2026, 6 SEC-registered investment managers reported holding AACB (ARTIUS II ACQUISITION INC) in their latest 13F filings, with a combined reported value of $26.09M across 2.49M shares. That is -0.0% by share count (-20 shares) versus the previous quarter, while reported value moved +1.5%. 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 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.61M | 0.01% | Hold |
| D. E. Shaw & Co history | 600.00K | $6.29M | 0.00% | Hold |
| Moore Capital Management history | 500.00K | $5.25M | 0.08% | Hold |
| Goldman Sachs Group history | 462.81K | $4.85M | 0.00% | Hold |
| Millennium Management history | 200.00K | $2.10M | 0.00% | Hold |
| Morgan Stanley history | 51 | $535 | 0.00% | Reduce |
Q1 2026 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.50M | 0.01% | Hold |
| D. E. Shaw & Co history | 600.00K | $6.20M | 0.00% | Hold |
| Moore Capital Management history | 500.00K | $5.17M | 0.11% | Hold |
| Goldman Sachs Group history | 462.81K | $4.79M | 0.00% | Hold |
| Millennium Management history | 200.00K | $2.07M | 0.00% | Hold |
| Morgan Stanley history | 71 | $734 | 0.00% | Reduce |
Q4 2025 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.47M | 0.01% | Hold |
| D. E. Shaw & Co history | 600.00K | $6.18M | 0.00% | Hold |
| Moore Capital Management history | 500.00K | $5.15M | 0.07% | Hold |
| Goldman Sachs Group history | 462.81K | $4.77M | 0.00% | Hold |
| Millennium Management history | 200.00K | $2.06M | 0.00% | Hold |
| Morgan Stanley history | 93 | $958 | 0.00% | Add |
Q3 2025 — 6 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.34M | 0.01% | Hold |
| D. E. Shaw & Co history | 600.00K | $6.08M | 0.00% | Hold |
| Moore Capital Management history | 500.00K | $5.09M | 0.07% | Hold |
| Goldman Sachs Group history | 462.80K | $4.69M | 0.00% | Hold |
| Millennium Management history | 200.00K | $2.04M | 0.00% | New |
| Morgan Stanley history | 78 | $790 | 0.00% | Add |
Q2 2025 — 5 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Two Sigma Investments history | 725.00K | $7.34M | 0.01% | New |
| D. E. Shaw & Co history | 600.00K | $6.07M | 0.01% | New |
| Moore Capital Management history | 500.00K | $5.06M | 0.06% | New |
| Goldman Sachs Group history | 462.80K | $4.68M | 0.00% | New |
| Morgan Stanley history | 63 | $638 | 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 6 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 |
|---|---|---|---|---|---|
| Two Sigma Investments | 725.00K | 725.00K | 725.00K | 725.00K | 725.00K |
| D. E. Shaw & Co | 600.00K | 600.00K | 600.00K | 600.00K | 600.00K |
| Moore Capital Management | 500.00K | 500.00K | 500.00K | 500.00K | 500.00K |
| Goldman Sachs Group | 462.81K | 462.81K | 462.81K | 462.80K | 462.80K |
| Millennium Management | 200.00K | 200.00K | 200.00K | 200.00K | — |
| Morgan Stanley | 51 | 71 | 93 | 78 | 63 |