Artius II Acquisition Inc. Class AAACB
13F holders, Q2 2026 (June 30)51holders −1
2new positions
3sold out
2famous investors
$10.49avg. 13F price*
At the end of Q2 2026, 51 institutions reported holding Artius II Acquisition Inc. Class A (AACB) in their 13F filings, down 1 from Q1 2026. 2 opened new positions and 3 sold out. The largest holders were HGC Investment Management Inc. ($15.7M), AQR Arbitrage LLC ($15.1M) and Glazer Capital, LLC ($13.6M). 2 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Artius II Acquisition Inc. Class A
- CUSIP
- G0509J115
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $2.2M |
| Exits | 3 | $2.9M |
All 13F filers, Q1 2026 → Q2 2026: 710,470 shares bought and 810,285 shares sold, net −99,815 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 51 holders
| HGC Investment Management Inc. | 3.14% | No change | 1,500,000 | $15.7M |
| AQR Arbitrage LLC | 0.26% | Add +0.6% | 1,440,225 | $15.1M |
| Glazer Capital, LLC | 0.35% | Add +0.0% | 1,295,130 | $13.6M |
| Linden Advisors LP | 0.46% | No change | 1,000,000 | $10.5M |
| Westchester Capital Management, LLC | 0.53% | No change | 995,939 | $10.4M |
| Alberta Investment Management Corp | 0.07% | No change | 980,000 | $10.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 850,000 | $8.9M |
| Polar Asset Management Partners Inc. | 0.20% | No change | 800,000 | $8.4M |
| Picton Mahoney Asset Management | 0.07% | No change | 750,000 | $7.9M |
| Two Sigma Investments, LP | 0.01% | No change | 725,000 | $7.6M |
| Radcliffe Capital Management, L.P. | 0.73% | No change | 678,671 | $7.1M |
| Magnetar Financial LLC | 0.06% | No change | 600,000 | $6.3M |
| D. E. Shaw & Co. | 0.00% | No change | 600,000 | $6.3M |
| Hudson Bay Capital Management LP | 0.03% | No change | 550,000 | $5.8M |
| Governors Lane LP | 0.53% | Add +100.0% | 500,000 | $5.2M |
| Moore Capital Management, LP | 0.12% | No change | 500,000 | $5.2M |
| Sculptor Capital LP | 0.09% | No change | 500,000 | $5.2M |
| HBK Investments L P | 0.07% | No change | 499,998 | $5.2M |
| Goldman Sachs Group Inc. | 0.00% | No change | 462,806 | $4.9M |
| Periscope Capital Inc. | 0.74% | Add +13.3% | 425,000 | $4.5M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | No change | 398,075 | $4.2M |
| Berkley W R Corp. | 0.20% | No change | 396,960 | $4.2M |
| First Trust Capital Management L.P. | 0.23% | No change | 380,000 | $4.0M |
| Toronto Dominion Bank | 0.01% | Add +66.8% | 375,190 | $3.9M |
| Mangrove Partners Im, LLC | 0.25% | No change | 356,172 | $3.7M |
| Shaolin Capital Management LLC | 0.42% | Reduce -36.0% | 351,827 | $3.7M |
| Rivernorth Capital Management, LLC | 0.15% | No change | 297,500 | $3.1M |
| Verition Fund Management LLC | 0.02% | Reduce -27.4% | 257,357 | $2.7M |
| RLH Capital LLC | 1.27% | Reduce -21.4% | 252,236 | $2.6M |
| Quarry LP | 0.43% | Add +19.8% | 252,236 | $2.6M |
| Schonfeld Strategic Advisors LLC | 0.01% | No change | 245,631 | $2.6M |
| Jain Global LLC | 0.03% | Reduce -44.9% | 202,091 | $2.1M |
| Millennium Management | 0.00% | No change | 200,000 | $2.1M |
| Gritstone Asset Management LLC | 2.04% | No change | 197,656 | $2.1M |
| Highbridge Capital Management LLC | 0.12% | New | 177,898 | $1.9M |
| Sona Asset Management (us) LLC | 0.09% | No change | 172,874 | $1.8M |
| O'Connor Alternative Investments LLC | 0.15% | No change | 160,000 | $1.7M |
| DLD Asset Management, LP | 0.40% | No change | 140,894 | $1.5M |
| Context Capital Management, LLC | 0.24% | No change | 112,191 | $1.2M |
| Meteora Capital, LLC | 0.10% | Add +0.0% | 109,226 | $1.1M |
| Centiva Capital, LP | 0.04% | No change | 100,000 | $1.0M |
| Mizuho Securities USA LLC | 0.02% | No change | 100,196 | $1.0M |
| L1 Global Manager Pty Ltd | 0.66% | No change | 75,000 | $787K |
| BNP Paribas Financial Markets | 0.00% | No change | 55,222 | $579K |
| Boothbay Fund Management, LLC | 0.01% | No change | 45,316 | $475K |
| Clear Street Group Inc. | 0.00% | Reduce -3.2% | 35,799 | $376K |
| PenderFund Capital Management Ltd. | 0.15% | New | 32,500 | $341K |
| Abc Arbitrage SA | 0.02% | No change | 20,000 | $210K |
| Wolverine Asset Management LLC | 0.01% | Reduce -23.3% | 12,760 | $134K |
| FNY Investment Advisers, LLC | 0.00% | No change | 112 | $1K |
| Morgan Stanley | 0.00% | Reduce -28.2% | 51 | $535 |
"% of holder's portfolio" is AACB's weight in each manager's 13F, not the share of Artius II Acquisition Inc. Class A the manager owns.