Pioneer Acquisition I Corp
PACH- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002040381
No open-market purchases or sales by Pioneer Acquisition I Corp insiders were filed in the last 90 days; 67 institutions reported holding it in 13F filings for Q2 2026, worth $230.1M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Pioneer Acquisition I Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 61
- +3 vs. Q4 2025
- Shares held
- 22.3M
- +798.6K (+3.7%) vs. Q4 2025
- Total value
- $226.2M
- +$10.1M (+4.7%) vs. Q4 2025
- New holders
- 6
- 8 more added
- Sold out
- 3
- 10 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PACH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 67 | $230.1M |
| Q1 2026 | 61 | $226.2M |
| Q4 2025 | 59 | $218.6M |
| Q3 2025 | 44 | $174.3M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 68 | $689 | 0.00% | +1+1.5% | Added |
| FNY Investment Advisers, LLC | 1,000 | $10.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 9,060 | $91.8K | 0.00% | +9,060 | New |
| Deltec Asset Management LLC | 10,000 | $101.3K | 0.02% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 15,200 | $154.4K | 0.02% | −2,200−12.6% | Reduced |
| L1 Global Manager Pty Ltd | 24,400 | $247.2K | 0.20% | 00.0% | Unchanged |
| Abc Arbitrage SA | 25,000 | $253.3K | 0.03% | 00.0% | Unchanged |
| Stoic Point Capital Management LLC | 33,775 | $342.1K | 0.34% | 00.0% | Unchanged |
| Kepos Capital LP | 47,100 | $478.0K | 0.78% | +47,100 | New |
| Centiva Capital, LP | 50,000 | $508.0K | 0.02% | 00.0% | Unchanged |
| Timelo Investment Management Inc. | 60,000 | $607.8K | 0.83% | +60,000 | New |
| Gritstone Asset Management LLC | 69,324 | $702.3K | 0.75% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 83,391 | $844.8K | 0.02% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 94,401 | $960.5K | 0.04% | +94,401 | New |
| Governors Lane LP | 100,000 | $1.01M | 0.13% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 100,000 | $1.02M | 0.28% | 00.0% | Unchanged |
| Dakota Wealth Management | 104,100 | $1.05M | 0.02% | −4,900−4.5% | Reduced |
| Lineage Point Capital LP | 106,805 | $1.08M | 0.26% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 111,059 | $1.13M | 0.04% | +111,059 | New |
| DLD Asset Management, LP | 127,737 | $1.29M | 0.13% | 00.0% | Unchanged |
| Berkley W R Corp | 148,726 | $1.51M | 0.08% | 00.0% | Unchanged |
| Clear Street Group Inc. | 149,456 | $1.51M | 0.01% | −168,989−53.1% | Reduced |
| Context Capital Management, LLC | 150,000 | $1.52M | 0.04% | 00.0% | Unchanged |
| TIG Advisors, LLC | 150,000 | $1.52M | 0.07% | 00.0% | Unchanged |
| Toronto Dominion Bank | 168,875 | $1.71M | 0.00% | +23,875+16.5% | Added |
| CSS LLC | 210,988 | $2.14M | 0.12% | −1,400−0.7% | Reduced |
| Hudson Bay Capital Management LP | 246,000 | $2.50M | 0.02% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 249,758 | $2.53M | 0.13% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.53M | 0.09% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 250,000 | $2.54M | 0.07% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 250,000 | $2.54M | 0.13% | +250,000 | New |
| Millennium Management LLC | 287,699 | $2.91M | 0.00% | +18,199+6.8% | Added |
| Whitebox Advisors LLC | 300,000 | $3.04M | 0.04% | 00.0% | Unchanged |
| Periscope Capital Inc. | 300,000 | $3.04M | 0.53% | −100,000−25.0% | Reduced |
| BNP Paribas Arbitrage, SA | 348,493 | $3.53M | 0.00% | +40,079+13.0% | Added |
| Polar Asset Management Partners Inc. | 400,000 | $4.05M | 0.10% | −100,000−20.0% | Reduced |
| Aristeia Capital LLC | 400,000 | $4.05M | 0.09% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 400,000 | $4.05M | 0.40% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $4.06M | 0.02% | 00.0% | Unchanged |
| Omers Administration Corp | 440,000 | $4.47M | 0.03% | 00.0% | Unchanged |
| Mangrove Partners | 450,000 | $4.56M | 0.37% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 500,000 | $5.07M | 0.05% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 500,000 | $5.07M | 0.27% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 500,000 | $5.07M | 0.21% | 00.0% | Unchanged |
| Jain Global LLC | 499,979 | $5.08M | 0.06% | −210.0% | Reduced |
| Alberta Investment Management Corp | 500,000 | $5.08M | 0.03% | 00.0% | Unchanged |
| Karpus Management, Inc. | 501,988 | $5.09M | 0.16% | +20,900+4.3% | Added |
| Verition Fund Management LLC | 525,558 | $5.34M | 0.05% | −18,642−3.4% | Reduced |
| Tenor Capital Management Co., L.P. | 600,000 | $6.08M | 0.09% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 629,247 | $6.38M | 0.48% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 650,000 | $6.60M | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 702,778 | $7.14M | 0.11% | +190,272+37.1% | Added |
| MMCAP International Inc. SPC | 750,000 | $7.60M | 0.66% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 797,500 | $8.08M | 0.01% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 841,508 | $8.52M | 2.02% | −8,828−1.0% | Reduced |
| CNH Partners LLC | 948,381 | $9.64M | 0.16% | −36,227−3.7% | Reduced |
| Linden Advisors LP | 1,000,000 | $10.2M | 0.06% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,000,000 | $10.2M | 0.10% | 00.0% | Unchanged |
| Glazer Capital, LLC | 1,210,643 | $12.3M | 0.26% | +159,993+15.2% | Added |
| D. E. Shaw & Co., Inc. | 1,252,350 | $12.7M | 0.01% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 1,258,612 | $12.8M | 0.62% | +850,000+208.0% | Added |
| Meteora Capital, LLC | 0 | $0 | 0.00% | −549,969−100.0% | Sold out |
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −50,924−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −34,201−100.0% | Sold out |
| UBS Oconnor LLC | – | – | – | – | Not filed |