Pioneer Acquisition I Class APACH
13F holders, Q2 2026 (June 30)67holders +6
7new positions
1sold out
2famous investors
$10.22avg. 13F price*
At the end of Q2 2026, 67 institutions reported holding Pioneer Acquisition I Class A (PACH) in their 13F filings, up 6 from Q1 2026. 7 opened new positions and 1 sold out. The largest holders were Westchester Capital Management, LLC ($12.9M), D. E. Shaw & Co. ($12.8M) and Glazer Capital, LLC ($12.4M). 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $6.2M |
| Exits | 1 | $10K |
All 13F filers, Q1 2026 → Q2 2026: 813,438 shares bought and 589,817 shares sold, net +223,621 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 67 holders
| Westchester Capital Management, LLC | 0.65% | No change | 1,258,612 | $12.9M |
| D. E. Shaw & Co. | 0.01% | No change | 1,252,350 | $12.8M |
| Glazer Capital, LLC | 0.32% | No change | 1,210,643 | $12.4M |
| Linden Advisors LP | 0.45% | No change | 1,000,000 | $10.2M |
| Magnetar Financial LLC | 0.10% | No change | 1,000,000 | $10.2M |
| AQR Arbitrage LLC | 0.17% | Add +0.9% | 956,895 | $9.8M |
| Two Sigma Investments, LP | 0.01% | No change | 797,500 | $8.2M |
| Wolverine Asset Management LLC | 0.42% | Add +12.2% | 788,462 | $8.1M |
| Wealthspring Capital LLC | 1.81% | Reduce -7.8% | 776,258 | $7.9M |
| MMCAP International Inc. SPC | 0.66% | No change | 750,000 | $7.7M |
| Radcliffe Capital Management, L.P. | 0.66% | Add +0.1% | 629,549 | $6.4M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.42% | No change | 600,000 | $6.1M |
| Karpus Management, Inc. | 0.16% | Add +10.0% | 551,988 | $5.6M |
| Verition Fund Management LLC | 0.04% | No change | 525,558 | $5.4M |
| Picton Mahoney Asset Management | 0.05% | No change | 500,000 | $5.1M |
| First Trust Capital Management L.P. | 0.30% | No change | 500,000 | $5.1M |
| Alberta Investment Management Corp | 0.03% | No change | 500,000 | $5.1M |
| Mangrove Partners Im, LLC | 0.30% | No change | 450,000 | $4.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -30.8% | 450,000 | $4.6M |
| OMERS ADMINISTRATION Corp | 0.03% | No change | 440,000 | $4.5M |
| Mint Tower Capital Management B.V. | 1.00% | No change | 400,000 | $4.1M |
| Aristeia Capital, L.L.C. | 0.15% | No change | 400,000 | $4.1M |
| Polar Asset Management Partners Inc. | 0.10% | No change | 400,000 | $4.1M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.02% | No change | 400,000 | $4.1M |
| Jain Global LLC | 0.05% | Reduce -22.6% | 386,736 | $3.9M |
| Shaolin Capital Management LLC | 0.44% | Reduce -24.6% | 377,218 | $3.9M |
| BNP Paribas Financial Markets | 0.00% | No change | 348,493 | $3.6M |
| Periscope Capital Inc. | 0.51% | No change | 300,000 | $3.1M |
| Whitebox Advisors LLC | 0.16% | No change | 300,000 | $3.1M |
| Millennium Management | 0.00% | Add +0.0% | 287,700 | $2.9M |
| Meteora Capital, LLC | 0.24% | New | 272,969 | $2.8M |
| Rivernorth Capital Management, LLC | 0.12% | No change | 249,758 | $2.6M |
| Moore Capital Management, LP | 0.06% | No change | 250,000 | $2.6M |
| O'Connor Alternative Investments LLC | 0.24% | No change | 250,000 | $2.6M |
| Ghisallo Capital Management LLC | 0.06% | No change | 250,000 | $2.6M |
| Hudson Bay Capital Management LP | 0.01% | No change | 246,000 | $2.5M |
| CSS LLC | 0.29% | No change | 210,988 | $2.2M |
| Mizuho Securities USA LLC | 0.03% | New | 183,497 | $1.9M |
| Context Capital Management, LLC | 0.32% | No change | 150,000 | $1.5M |
| TIG Advisors, LLC | 0.07% | No change | 150,000 | $1.5M |
| Berkley W R Corp. | 0.07% | No change | 148,726 | $1.5M |
| Clear Street Group Inc. | 0.00% | Reduce -6.4% | 139,861 | $1.4M |
| Parallax Volatility Advisers, L.P. | 0.06% | Add +37.6% | 129,909 | $1.3M |
| Toronto Dominion Bank | 0.00% | Reduce -26.0% | 125,000 | $1.3M |
| Sona Asset Management (us) LLC | 0.06% | No change | 111,059 | $1.1M |
| Lineage Point Capital LP | 0.23% | No change | 106,805 | $1.1M |
| Dakota Wealth Management | 0.02% | No change | 104,100 | $1.1M |
| DLD Asset Management, LP | 0.29% | Reduce -19.6% | 102,737 | $1.1M |
| Governors Lane LP | 0.10% | No change | 100,000 | $1.0M |
| Heights Capital Management, Inc. | 0.24% | No change | 100,000 | $1.0M |
| Boothbay Fund Management, LLC | 0.02% | No change | 83,391 | $853K |
| Gritstone Asset Management LLC | 0.70% | No change | 69,324 | $709K |
| Logan Stone Capital, LLC | 0.13% | New | 60,737 | $621K |
| Timelo Investment Management Inc. | 0.77% | No change | 60,000 | $614K |
| Centiva Capital, LP | 0.02% | No change | 50,000 | $511K |
| Limestone Investment Advisors LP | 0.25% | New | 48,017 | $491K |
| Kepos Capital LP | 0.68% | No change | 47,100 | $482K |
| PenderFund Capital Management Ltd. | 0.18% | Add +151.1% | 38,172 | $390K |
| Stoic Point Capital Management LLC | 0.29% | No change | 33,775 | $346K |
| Abc Arbitrage SA | 0.03% | No change | 25,000 | $256K |
| HRT Financial LP | 0.00% | New | 24,534 | $250K |
| L1 Global Manager Pty Ltd | 0.21% | No change | 24,400 | $250K |
| Arax Advisory Partners | 0.00% | New | 10,500 | $107K |
| Virtu Financial LLC | 0.00% | New | 10,203 | $104K |
| Deltec Asset Management LLC | 0.02% | No change | 10,000 | $102K |
| Morgan Stanley | 0.00% | Reduce -27.9% | 49 | $501 |
| UBS Group AG | 0.00% | Reduce -99.9% | 7 | $72 |
"% 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.