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PACH

Pioneer Acquisition I Corp
PACH

44 hedge funds and large institutions have $174M invested in Pioneer Acquisition I Corp in 2025 Q3 according to their latest regulatory filings, with 44 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

69.27% more ownership

Funds ownership: 0% → 69.27% (+69%)

Holders
44
Holders Change
+44
Holders Change %
–
% of All Funds
0.58%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
44
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
GCL
Glazer Capital LLC
New York
+$10.5M
2
LA
Linden Advisors
New York
+$9.95M
3
AA
AQR Arbitrage
Connecticut
+$9.8M
4
WC
Wealthspring Capital
New York
+$8.79M
5
Two Sigma Investments
Two Sigma Investments
New York
+$7.94M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
GCL
1
Glazer Capital LLC
New York
$10.4M +$10.5M +1,050,650 New
LA
2
Linden Advisors
New York
$9.94M +$9.95M +1,000,000 New
AA
3
AQR Arbitrage
Connecticut
$9.79M +$9.8M +984,608 New
WC
4
Wealthspring Capital
New York
$8.78M +$8.79M +883,286 New
Two Sigma Investments
5
Two Sigma Investments
New York
$7.93M +$7.94M +797,500 New
CS
6
Clear Street
New York
$7.2M +$7.2M +723,060 New
SCM
7
Shaolin Capital Management
Florida
$6.97M +$6.97M +700,000 New
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$6.88M +$6.89M +691,682 New
WAM
9
Wolverine Asset Management
Illinois
$6.73M +$6.74M +677,208 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
10
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$6.46M +$6.47M +650,000 New
TCM
11
Tenor Capital Management
New York
$5.98M +$5.97M +600,000 New
RCM
12
Radcliffe Capital Management
Pennsylvania
$5.9M +$5.9M +592,475 New
Verition Fund Management
13
Verition Fund Management
Connecticut
$5.47M +$5.48M +550,000 New
FTCM
14
First Trust Capital Management
Illinois
$4.98M +$4.98M +500,000 New
PAMP
15
Polar Asset Management Partners
Ontario, Canada
$4.98M +$4.98M +500,000 New
PMAM
16
Picton Mahoney Asset Management
Ontario, Canada
$4.97M +$4.98M +500,000 New
PC
17
Periscope Capital
Ontario, Canada
$4.73M +$4.73M +475,000 New
MP
18
Mangrove Partners
Connecticut
$4.48M +$4.48M +450,000 New
AC
19
Aristeia Capital
Connecticut
$3.98M +$3.98M +400,000 New
COPPSERS
20
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3.98M +$3.98M +400,000 New
Toronto Dominion Bank
21
Toronto Dominion Bank
Ontario, Canada
$3.67M +$3.67M +368,629 New
BNP Paribas Financial Markets
22
BNP Paribas Financial Markets
France
$3.07M +$3.07M +308,414 New
WA
23
Whitebox Advisors
Minnesota
$2.99M +$2.99M +300,000 New
MSU
24
Mizuho Securities USA
New York
$2.99M +$3M +301,302 New
Millennium Management
25
Millennium Management
New York
$2.84M +$2.84M +285,001 New
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