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, Q4 2025
Institutional positions in Pioneer Acquisition I Corp as of Dec 31, 2025. 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
- 59
- +16 vs. Q3 2025
- Shares held
- 21.7M
- +4.30M (+24.7%) vs. Q3 2025
- Total value
- $218.6M
- +$45.1M (+26.0%) vs. Q3 2025
- New holders
- 17
- 5 more added
- Sold out
- 1
- 10 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 67 | $673 | 0.00% | +67 | New |
| FNY Investment Advisers, LLC | 1,000 | $10.0K | 0.00% | +1,000 | New |
| Deltec Asset Management LLC | 10,000 | $100.5K | 0.02% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 17,400 | $175.0K | 0.03% | +17,400 | New |
| L1 Global Manager Pty Ltd | 24,400 | $245.2K | 0.16% | +24,400 | New |
| Abc Arbitrage SA | 25,000 | $251.3K | 0.02% | +25,000 | New |
| Stoic Point Capital Management LLC | 33,775 | $339.4K | 0.29% | +33,775 | New |
| Virtu Financial LLC | 34,201 | $344.0K | 0.01% | −226,925−86.9% | Reduced |
| Centiva Capital, LP | 50,000 | $503.0K | 0.03% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 50,924 | $513.8K | 0.01% | −250,378−83.1% | Reduced |
| Gritstone Asset Management LLC | 69,324 | $696.7K | 0.66% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 83,391 | $838.1K | 0.02% | 00.0% | Unchanged |
| Governors Lane LP | 100,000 | $1.00M | 0.09% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 100,000 | $1.01M | 0.38% | +100,000 | New |
| Lineage Point Capital LP | 106,805 | $1.07M | 0.41% | +106,805 | New |
| Dakota Wealth Management | 109,000 | $1.10M | 0.02% | 00.0% | Unchanged |
| DLD Asset Management, LP | 127,737 | $1.28M | 0.13% | +127,737 | New |
| Toronto Dominion Bank | 145,000 | $1.46M | 0.00% | −223,629−60.7% | Reduced |
| Berkley W R Corp | 148,726 | $1.49M | 0.08% | 00.0% | Unchanged |
| Context Capital Management, LLC | 150,000 | $1.51M | 0.04% | 00.0% | Unchanged |
| TIG Advisors, LLC | 150,000 | $1.51M | 0.07% | +150,000 | New |
| CSS LLC | 212,388 | $2.13M | 0.12% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 246,000 | $2.47M | 0.01% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 249,758 | $2.51M | 0.12% | +66,665+36.4% | Added |
| Moore Capital Management, LP | 250,000 | $2.51M | 0.05% | 00.0% | Unchanged |
| UBS Oconnor LLC | 250,000 | $2.52M | 0.07% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 250,000 | $2.52M | 0.11% | 00.0% | Unchanged |
| Millennium Management LLC | 269,500 | $2.71M | 0.00% | −15,501−5.4% | Reduced |
| Whitebox Advisors LLC | 300,000 | $3.02M | 0.05% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 308,414 | $3.10M | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 318,445 | $3.20M | 0.02% | −404,615−56.0% | Reduced |
| Periscope Capital Inc. | 400,000 | $4.02M | 0.78% | −75,000−15.8% | Reduced |
| Aristeia Capital LLC | 400,000 | $4.02M | 0.11% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 400,000 | $4.02M | 0.02% | 00.0% | Unchanged |
| Mint Tower Capital Management B.V. | 400,000 | $4.02M | 0.51% | +400,000 | New |
| Westchester Capital Management, LLC | 408,612 | $4.11M | 0.19% | +344,000+532.4% | Added |
| Omers Administration Corp | 440,000 | $4.43M | 0.03% | +440,000 | New |
| Mangrove Partners | 450,000 | $4.52M | 0.37% | 00.0% | Unchanged |
| Karpus Management, Inc. | 481,088 | $4.83M | 0.15% | +321,088+200.7% | Added |
| Shaolin Capital Management LLC | 500,000 | $5.03M | 0.19% | −200,000−28.6% | Reduced |
| Polar Asset Management Partners Inc. | 500,000 | $5.03M | 0.10% | 00.0% | Unchanged |
| Vivaldi Asset Management, LLC | 500,000 | $5.03M | 0.30% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 500,000 | $5.03M | 0.05% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 500,000 | $5.03M | 0.03% | +500,000 | New |
| Jain Global LLC | 500,000 | $5.03M | 0.05% | +500,000 | New |
| Wolverine Asset Management LLC | 512,506 | $5.15M | 0.07% | −164,702−24.3% | Reduced |
| Verition Fund Management LLC | 544,200 | $5.47M | 0.03% | −5,800−1.1% | Reduced |
| Meteora Capital, LLC | 549,969 | $5.53M | 0.46% | +549,969 | New |
| Tenor Capital Management Co., L.P. | 600,000 | $6.03M | 0.08% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 629,247 | $6.32M | 0.34% | +36,772+6.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 650,000 | $6.54M | 0.01% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 750,000 | $7.54M | 0.75% | +750,000 | New |
| Two Sigma Investments, LP | 797,500 | $8.01M | 0.01% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 850,336 | $8.55M | 2.02% | −32,950−3.7% | Reduced |
| CNH Partners LLC | 984,608 | $9.91M | 0.21% | 00.0% | Unchanged |
| Linden Advisors LP | 1,000,000 | $10.1M | 0.06% | 00.0% | Unchanged |
| Magnetar Financial LLC | 1,000,000 | $10.1M | 0.10% | +1,000,000 | New |
| Glazer Capital, LLC | 1,050,650 | $10.6M | 0.28% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,252,350 | $12.6M | 0.01% | +560,668+81.1% | Added |
| StoneX Group Inc. | 0 | $0 | 0.00% | −155,000−100.0% | Sold out |
| Atw Spac Management LLC | – | – | – | – | Not filed |