Pioneer Acquisition I Class APACH
13F holders, Q4 2025 (December 31)59holders +15
4new positions
1sold out
2famous investors
$10.05avg. 13F price*
At the end of Q4 2025, 59 institutions reported holding Pioneer Acquisition I Class A (PACH) in their 13F filings, up 15 from Q3 2025. 4 opened new positions and 1 sold out. The largest holders were D. E. Shaw & Co. ($12.6M), Glazer Capital, LLC ($10.6M) and Linden Advisors LP ($10.1M). 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
- Pioneer Acquisition I Class A
- CUSIP
- G7117W107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $5.8M |
| Exits | 1 | $1.5M |
All 13F filers, Q3 2025 → Q4 2025: 1,866,302 shares bought and 1,754,501 shares sold, net +111,801 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 59 holders
| D. E. Shaw & Co. | 0.01% | Add +81.1% | 1,252,350 | $12.6M |
| Glazer Capital, LLC | 0.31% | No change | 1,050,650 | $10.6M |
| Linden Advisors LP | 0.76% | No change | 1,000,000 | $10.1M |
| Magnetar Financial LLC | 0.11% | No change | 1,000,000 | $10.1M |
| AQR Arbitrage LLC | 0.27% | No change | 984,608 | $9.9M |
| Wealthspring Capital LLC | 2.06% | Reduce -3.7% | 850,336 | $8.5M |
| Two Sigma Investments, LP | 0.01% | No change | 797,500 | $8.0M |
| MMCAP International Inc. SPC | 0.77% | No change | 750,000 | $7.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 650,000 | $6.5M |
| Radcliffe Capital Management, L.P. | 0.90% | Add +6.2% | 629,247 | $6.3M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.51% | No change | 600,000 | $6.0M |
| Meteora Capital, LLC | 0.48% | New | 549,969 | $5.5M |
| Verition Fund Management LLC | 0.03% | Reduce -1.1% | 544,200 | $5.5M |
| Wolverine Asset Management LLC | 0.30% | Reduce -24.3% | 512,506 | $5.2M |
| Jain Global LLC | 0.05% | No change | 500,000 | $5.0M |
| Alberta Investment Management Corp | 0.03% | No change | 500,000 | $5.0M |
| Shaolin Capital Management LLC | 0.66% | Reduce -28.6% | 500,000 | $5.0M |
| First Trust Capital Management L.P. | 0.30% | No change | 500,000 | $5.0M |
| Polar Asset Management Partners Inc. | 0.13% | No change | 500,000 | $5.0M |
| Picton Mahoney Asset Management | 0.06% | No change | 500,000 | $5.0M |
| Karpus Management, Inc. | 0.15% | Add +200.7% | 481,088 | $4.8M |
| Mangrove Partners Im, LLC | 0.37% | No change | 450,000 | $4.5M |
| OMERS ADMINISTRATION Corp | 0.03% | No change | 440,000 | $4.4M |
| Westchester Capital Management, LLC | 0.19% | Add +532.4% | 408,612 | $4.1M |
| Mint Tower Capital Management B.V. | 1.26% | No change | 400,000 | $4.0M |
| Periscope Capital Inc. | 0.82% | Reduce -15.8% | 400,000 | $4.0M |
| Aristeia Capital, L.L.C. | 0.20% | No change | 400,000 | $4.0M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | No change | 400,000 | $4.0M |
| Clear Street Group Inc. | 0.02% | Reduce -56.0% | 318,445 | $3.2M |
| BNP Paribas Financial Markets | 0.00% | No change | 308,414 | $3.1M |
| Whitebox Advisors LLC | 0.19% | No change | 300,000 | $3.0M |
| Millennium Management | 0.00% | Reduce -5.4% | 269,500 | $2.7M |
| Ghisallo Capital Management LLC | 0.11% | No change | 250,000 | $2.5M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.07% | No change | 250,000 | $2.5M |
| Moore Capital Management, LP | 0.05% | No change | 250,000 | $2.5M |
| Rivernorth Capital Management, LLC | 0.12% | No change | 249,758 | $2.5M |
| Hudson Bay Capital Management LP | 0.02% | No change | 246,000 | $2.5M |
| CSS LLC | 0.36% | No change | 212,388 | $2.1M |
| Context Capital Management, LLC | 0.50% | No change | 150,000 | $1.5M |
| TIG Advisors, LLC | 0.07% | No change | 150,000 | $1.5M |
| Berkley W R Corp. | 0.09% | No change | 148,726 | $1.5M |
| Toronto Dominion Bank | 0.00% | Reduce -60.7% | 145,000 | $1.5M |
| DLD Asset Management, LP | 0.44% | Add +27.7% | 127,737 | $1.3M |
| Dakota Wealth Management | 0.02% | No change | 109,000 | $1.1M |
| Lineage Point Capital LP | 0.41% | — | 106,805 | $1.1M |
| Heights Capital Management, Inc. | 0.38% | No change | 100,000 | $1.0M |
| Governors Lane LP | 0.09% | No change | 100,000 | $1.0M |
| Boothbay Fund Management, LLC | 0.02% | No change | 83,391 | $838K |
| Gritstone Asset Management LLC | 0.68% | No change | 69,324 | $697K |
| Mizuho Securities USA LLC | 0.01% | Reduce -83.1% | 50,924 | $514K |
| Centiva Capital, LP | 0.03% | No change | 50,000 | $503K |
| Virtu Financial LLC | 0.01% | Reduce -86.9% | 34,201 | $344K |
| Stoic Point Capital Management LLC | 0.29% | — | 33,775 | $339K |
| Abc Arbitrage SA | 0.02% | New | 25,000 | $251K |
| L1 Global Manager Pty Ltd | 0.16% | — | 24,400 | $245K |
| PenderFund Capital Management Ltd. | 0.07% | No change | 17,400 | $175K |
| Deltec Asset Management LLC | 0.02% | No change | 10,000 | $101K |
| FNY Investment Advisers, LLC | 0.00% | New | 1,000 | $10K |
| Morgan Stanley | 0.00% | New | 67 | $673 |
"% of holder's portfolio" is PACH's weight in each manager's 13F, not the share of Pioneer Acquisition I Class A the manager owns.