Pioneer Acquisition I Corp
PACHU- 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; 11 institutions reported holding it in 13F filings for Q2 2026, worth $22.8M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Pioneer Acquisition I Corp as of Sep 30, 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
- 29
- −39 vs. Q2 2025
- Shares held
- 7.43M
- −16.1M (−68.5%) vs. Q2 2025
- Total value
- $74.7M
- −$161.1M (−68.3%) vs. Q2 2025
- New holders
- 2
- 5 more added
- Sold out
- 41
- 7 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PACHU 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 | 11 | $22.8M |
| Q1 2026 | 12 | $23.0M |
| Q4 2025 | 15 | $32.1M |
| Q3 2025 | 29 | $74.7M |
| Q2 2025 | 69 | $241.8M |
| 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, Q3 2025
Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wolverine Asset Management LLC | 1 | $10 | 0.00% | −276,040−100.0% | Reduced |
| Clear Street Group Inc. | 233 | $2.34K | 0.00% | +233 | New |
| Longfellow Investment Management Co LLC | 500 | $5.03K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 550 | $5.53K | 0.00% | −43,050−98.7% | Reduced |
| PenderFund Capital Management Ltd. | 17,400 | $174.9K | 0.03% | +12,400+248.0% | Added |
| Rangeley Capital, LLC | 22,157 | $222.7K | 0.21% | +22,157 | New |
| Yakira Capital Management, Inc. | 25,000 | $251.3K | 0.09% | 00.0% | Unchanged |
| Readystate Asset Management LP | 31,492 | $316.5K | 0.02% | −20.0% | Reduced |
| HRT Financial LP | 33,158 | $333.0K | 0.00% | +10,291+45.0% | Added |
| Cantor Fitzgerald, L. P. | 36,894 | $370.8K | 0.01% | −350,000−90.5% | Reduced |
| Parallax Volatility Advisers, L.P. | 58,744 | $590.4K | 0.02% | +23,744+67.8% | Added |
| Timelo Investment Management Inc. | 60,000 | $603.0K | 1.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 66,669 | $670.0K | 0.04% | −183,093−73.3% | Reduced |
| DLD Asset Management, LP | 99,999 | $1.00M | 0.13% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 100,000 | $1.00M | 0.00% | 00.0% | Unchanged |
| Heights Capital Management, Inc | 100,000 | $1.00M | 0.32% | 00.0% | Unchanged |
| Syquant Capital SAS | 110,000 | $1.11M | 0.32% | 00.0% | Unchanged |
| TIG Advisors, LLC | 150,000 | $1.51M | 0.09% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 225,000 | $2.26M | 0.46% | −75,000−25.0% | Reduced |
| Toronto Dominion Bank | 362,700 | $3.65M | 0.01% | −337,300−48.2% | Reduced |
| Mint Tower Capital Management B.V. | 400,000 | $4.02M | 0.52% | 00.0% | Unchanged |
| Omers Administration Corp | 440,000 | $4.42M | 0.03% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 500,000 | $5.03M | 0.04% | 00.0% | Unchanged |
| Jain Global LLC | 500,000 | $5.03M | 0.07% | +114,418+29.7% | Added |
| HGC Investment Management Inc. | 743,077 | $7.47M | 1.82% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 750,000 | $7.54M | 0.88% | 00.0% | Unchanged |
| LMR Partners LLP | 750,000 | $7.54M | 0.10% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 850,000 | $8.54M | 0.44% | +600,000+240.0% | Added |
| Magnetar Financial LLC | 1,000,000 | $10.1M | 0.06% | 00.0% | Unchanged |
| CNH Partners LLC | 0 | $0 | 0.00% | −1,293,025−100.0% | Sold out |
| Glazer Capital, LLC | 0 | $0 | 0.00% | −1,061,027−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −797,500−100.0% | Sold out |
| Linden Advisors LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Wealthspring Capital LLC | 0 | $0 | 0.00% | −666,245−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| Shaolin Capital Management LLC | 0 | $0 | 0.00% | −650,000−100.0% | Sold out |
| Tenor Capital Management Co., L.P. | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −595,062−100.0% | Sold out |
| Periscope Capital Inc. | 0 | $0 | 0.00% | −566,006−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Sculptor Capital LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Radcliffe Capital Management, L.P. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −499,200−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −473,914−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Whitebox Advisors LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Saba Capital Management, L.P. | 0 | $0 | 0.00% | −298,473−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −246,000−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −240,212−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −160,000−100.0% | Sold out |
| Context Capital Management, LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Atw Spac Management LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Berkley W R Corp | 0 | $0 | 0.00% | −148,726−100.0% | Sold out |
| Governors Lane LP | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Gritstone Asset Management LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −56,128−100.0% | Sold out |
| Bulldog Investors, LLP | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Crossingbridge Advisors, LLC | 0 | $0 | 0.00% | −48,776−100.0% | Sold out |
| Decagon Asset Management LLP | 0 | $0 | 0.00% | −34,614−100.0% | Sold out |
| Meteora Capital, LLC | 0 | $0 | 0.00% | −29,987−100.0% | Sold out |
| Deltec Asset Management LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |