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Pioneer Acquisition I Corp

PACHW
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; 48 institutions reported holding it in 13F filings for Q2 2026, worth $2.06M in total; no superinvestor holds it.

Other share classesPACHPACHU

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
43
+11 vs. Q3 2025
Shares held
8.83M
+578.3K (+7.0%) vs. Q3 2025
Total value
$2.21M
+$315.1K (+16.6%) vs. Q3 2025
New holders
14
5 more added
Sold out
3
4 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 PACHW 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.

Institutional holdersQ4 2025: 43 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 33 institutionsQ4 2025: 43 institutionsQ1 2026: 46 institutionsQ2 2026: 48 institutions
Value heldQ4 2025: $2.21M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $1.91MQ4 2025: $2.21MQ1 2026: $1.79MQ2 2026: $2.06M
Institutions holding PACHW and their total value by quarter
QuarterHoldersValue
Q2 202648$2.06M
Q1 202646$1.79M
Q4 202543$2.21M
Q3 202533$1.91M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Pioneer Acquisition I Corp; share changes are against Q3 2025.

Institutions holding PACHW in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Shaolin Capital Management LLC600,000$156.0K0.01%+33,777+6.0%Added
CNH Partners LLC492,303$128.0K0.00%00.0%Unchanged
Magnetar Financial LLC500,000$120.0K0.00%+500,000New
MMCAP International Inc. SPC375,000$97.5K0.01%+375,000New
Wealthspring Capital LLC440,453$96.9K0.02%−840−0.2%Reduced
Verition Fund Management LLC351,718$91.4K0.00%+101,718+40.7%Added
Linden Advisors LP375,001$90.0K0.00%00.0%Unchanged
Clear Street Group Inc.338,592$88.0K0.00%+91,100+36.8%Added
Healthcare of Ontario Pension Plan Trust Fund325,000$84.5K0.00%00.0%Unchanged
Highbridge Capital Management LLC–$80.9K0.00%––
CSS LLC305,019$79.3K0.00%00.0%Unchanged
Tenor Capital Management Co., L.P.300,000$78.0K0.00%00.0%Unchanged
Periscope Capital Inc.304,700$73.1K0.01%+25,000+8.9%Added
Lepercq De Neuflize Asset Management LLC266,000$69.2K0.04%+266,000New
Polar Asset Management Partners Inc.250,000$65.0K0.00%00.0%Unchanged
Alberta Investment Management Corp250,000$65.0K0.00%+250,000New
Picton Mahoney Asset Management250,000$60.0K0.00%00.0%Unchanged
Radcliffe Capital Management, L.P.250,000$60.0K0.00%00.0%Unchanged
Jain Global LLC250,000$60.0K0.00%+250,000New
Omers Administration Corp220,000$52.8K0.00%+220,000New
Meteora Capital, LLC233,689$51.4K0.00%+233,689New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys200,000$48.0K0.00%00.0%Unchanged
Aristeia Capital LLC200,000$48.0K0.00%00.0%Unchanged
Glazer Capital, LLC200,000$44.0K0.00%−170,712−46.0%Reduced
Whitebox Advisors LLC150,000$39.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA154,207$33.9K0.00%00.0%Unchanged
Moore Capital Management, LP125,000$32.5K0.00%00.0%Unchanged
Hudson Bay Capital Management LP123,000$32.0K0.00%00.0%Unchanged
Rivernorth Capital Management, LLC124,879$27.5K0.00%+33,333+36.4%Added
Wolverine Asset Management LLC101,700$26.4K0.00%−80,644−44.2%Reduced
Toronto Dominion Bank100,000$26.0K0.00%+100,000New
Context Capital Management, LLC75,000$18.0K0.00%00.0%Unchanged
TIG Advisors, LLC74,999$18.0K0.00%+74,999New
Berkley W R Corp74,363$16.4K0.00%00.0%Unchanged
DLD Asset Management, LP50,389$13.1K0.00%+50,389New
Heights Capital Management, Inc50,000$13.0K0.00%+50,000New
Governors Lane LP50,000$12.0K0.00%00.0%Unchanged
Gritstone Asset Management LLC34,662$9.01K0.01%00.0%Unchanged
Centiva Capital, LP25,000$6.50K0.00%00.0%Unchanged
Stoic Point Capital Management LLC16,887$3.71K0.00%+16,887New
UBS Group AG1,500$3300.00%+1,500New
Boothbay Fund Management, LLC22,500––−30,000−57.1%Reduced
Mint Tower Capital Management B.V.200,000––+200,000New
Cantor Fitzgerald, L. P.0$00.00%−1,738,825−100.0%Sold out
Sculptor Capital LP0$00.00%−150,000−100.0%Sold out
Weiss Asset Management LP0$00.00%−124,100−100.0%Sold out
Atw Spac Management LLC––––Not filed