Praetorian Acquisition Cor-APTOR
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 41 institutions reported holding Praetorian Acquisition Cor-A (PTOR) in their 13F filings, up 14 from Q1 2026. 8 opened new positions and 3 sold out. The largest holders were Magnetar Financial LLC ($14.9M), Alberta Investment Management Corp ($13.9M) and Millennium Management ($13.1M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Praetorian Acquisition Cor-A
- CUSIP
- G7S17G103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $14.9M |
| Exits | 3 | $4.8M |
All 13F filers, Q1 2026 → Q2 2026: 1,620,051 shares bought and 1,040,396 shares sold, net +579,655 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 41 holders
| Magnetar Financial LLC | 0.15% | No change | 1,500,000 | $14.9M |
| Alberta Investment Management Corp | 0.09% | No change | 1,400,000 | $13.9M |
| Millennium Management | 0.01% | No change | 1,320,000 | $13.1M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.73% | No change | 1,100,000 | $10.8M |
| Glazer Capital, LLC | 0.25% | Reduce -1.8% | 1,002,386 | $10.0M |
| AQR Arbitrage LLC | 0.16% | No change | 948,969 | $9.4M |
| Berkley W R Corp. | 0.39% | No change | 795,690 | $7.9M |
| Shaolin Capital Management LLC | 0.87% | Reduce -10.0% | 764,800 | $7.6M |
| Hudson Bay Capital Management LP | 0.04% | No change | 750,000 | $7.4M |
| BNP Paribas Financial Markets | 0.00% | No change | 701,019 | $7.0M |
| Governors Lane LP | 0.70% | No change | 700,000 | $7.0M |
| Periscope Capital Inc. | 0.83% | Reduce -9.1% | 500,000 | $5.0M |
| Polar Asset Management Partners Inc. | 0.12% | No change | 500,000 | $5.0M |
| D. E. Shaw & Co. | 0.00% | No change | 500,000 | $5.0M |
| Picton Mahoney Asset Management | 0.05% | No change | 499,995 | $5.0M |
| Whitebox Advisors LLC | 0.21% | No change | 400,000 | $4.0M |
| RLH Capital LLC | 1.91% | New | 399,328 | $4.0M |
| Two Sigma Investments, LP | 0.00% | No change | 398,750 | $4.0M |
| Sona Asset Management (us) LLC | 0.17% | No change | 350,000 | $3.5M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | New | 299,999 | $3.0M |
| Wolverine Asset Management LLC | 0.15% | New | 289,097 | $2.9M |
| Radcliffe Capital Management, L.P. | 0.29% | Add +68.4% | 281,839 | $2.8M |
| Mint Tower Capital Management B.V. | 0.61% | No change | 250,000 | $2.5M |
| Quarry LP | 0.40% | New | 250,000 | $2.5M |
| Logan Stone Capital, LLC | 0.52% | New | 249,996 | $2.5M |
| Linden Advisors LP | 0.11% | No change | 250,000 | $2.5M |
| Clear Street Group Inc. | 0.01% | Reduce -20.9% | 398,969 | $2.4M |
| Kepos Capital LP | 3.12% | No change | 222,699 | $2.2M |
| CSS LLC | 0.27% | Reduce -48.7% | 203,613 | $2.0M |
| Rivernorth Capital Management, LLC | 0.10% | No change | 199,998 | $2.0M |
| Context Capital Management, LLC | 0.41% | No change | 200,000 | $2.0M |
| Parallax Volatility Advisers, L.P. | 0.05% | Reduce -10.3% | 115,244 | $1.1M |
| DLD Asset Management, LP | 0.30% | No change | 109,500 | $1.1M |
| Warberg Asset Management LLC | 1.64% | No change | 99,999 | $993K |
| Heights Capital Management, Inc. | 0.14% | Reduce -0.2% | 59,900 | $594K |
| Abc Arbitrage SA | 0.04% | Reduce -12.5% | 35,000 | $348K |
| Virtu Financial LLC | 0.01% | Reduce -79.4% | 20,055 | $199K |
| Susquehanna International Group, LLP | 0.00% | New | 15,503 | $154K |
| Rangeley Capital, LLC | 0.02% | New | 1,592 | $16K |
| Morgan Stanley | 0.00% | Add +320.0% | 42 | $417 |
| UBS Group AG | 0.00% | New | 27 | $268 |
"% of holder's portfolio" is PTOR's weight in each manager's 13F, not the share of Praetorian Acquisition Cor-A the manager owns.