Pioneer Acquisition IPACHU
13F holders, Q3 2025 (September 30)29holders −40
1new positions
9sold out
$10.05avg. 13F price*
At the end of Q3 2025, 29 institutions reported holding Pioneer Acquisition I Corp. (PACHU) in their 13F filings, down 40 from Q2 2025. 1 opened new positions and 9 sold out. The largest holders were Magnetar Financial LLC ($10.1M), Westchester Capital Management, LLC ($8.5M) and MMCAP International Inc. SPC ($7.5M).
- Company
- Pioneer Acquisition I Corp.
- CUSIP
- G7117W123
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $223K |
| Exits | 9 | $20.2M |
All 13F filers, Q2 2025 → Q3 2025: 783,010 shares bought and 3,286,663 shares sold, net −2,503,653 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 29 holders
| Magnetar Financial LLC | 0.06% | No change | 1,000,000 | $10.1M |
| Westchester Capital Management, LLC | 0.44% | Add +240.0% | 850,000 | $8.5M |
| MMCAP International Inc. SPC | 0.90% | No change | 750,000 | $7.5M |
| LMR Partners LLP | 0.14% | No change | 750,000 | $7.5M |
| HGC Investment Management Inc. | 1.83% | No change | 743,077 | $7.5M |
| Jain Global LLC | 0.07% | Add +29.7% | 500,000 | $5.0M |
| Alberta Investment Management Corp | 0.04% | No change | 500,000 | $5.0M |
| OMERS ADMINISTRATION Corp | 0.03% | No change | 440,000 | $4.4M |
| Mint Tower Capital Management B.V. | 0.99% | No change | 400,000 | $4.0M |
| Toronto Dominion Bank | 0.01% | Reduce -48.2% | 362,700 | $3.6M |
| Alpine Global Management, LLC | 0.60% | Reduce -25.0% | 225,000 | $2.3M |
| TIG Advisors, LLC | 0.09% | No change | 150,000 | $1.5M |
| Syquant Capital Sas | 0.32% | No change | 110,000 | $1.1M |
| Heights Capital Management, Inc. | 0.33% | No change | 100,000 | $1.0M |
| JPMorgan Chase & Co. | 0.00% | No change | 100,000 | $1.0M |
| DLD Asset Management, LP | 0.42% | No change | 99,999 | $1.0M |
| Rivernorth Capital Management, LLC | 0.04% | Reduce -73.3% | 66,669 | $670K |
| Timelo Investment Management Inc. | 1.00% | No change | 60,000 | $603K |
| Parallax Volatility Advisers, L.P. | 0.02% | Add +67.8% | 58,744 | $590K |
| Cantor Fitzgerald, L. P. | 0.01% | Reduce -90.5% | 36,894 | $371K |
| HRT Financial LP | 0.00% | Add +45.0% | 33,158 | $333K |
| Readystate Asset Management LP | 0.03% | Reduce -0.0% | 31,492 | $316K |
| Yakira Capital Management, Inc. | 0.09% | No change | 25,000 | $251K |
| Rangeley Capital, LLC | 0.21% | New | 22,157 | $223K |
| PenderFund Capital Management Ltd. | 0.07% | Add +248.0% | 17,400 | $175K |
| UBS Group AG | 0.00% | Reduce -98.7% | 550 | $6K |
| Longfellow Investment Management Co. LLC | 0.00% | No change | 500 | $5K |
| Clear Street Group Inc. | 0.00% | — | 233 | $2K |
| Wolverine Asset Management LLC | 0.00% | Reduce -100.0% | 1 | $10 |
"% of holder's portfolio" is PACHU's weight in each manager's 13F, not the share of Pioneer Acquisition I Corp. the manager owns.