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PACHU

Pioneer Acquisition I Corp Units
PACHU

69 hedge funds and large institutions have $242M invested in Pioneer Acquisition I Corp Units in 2025 Q2 according to their latest regulatory filings, with 69 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

109.83% more ownership

Funds ownership: 0% → 109.83% (+110%)

Holders
69
Holders Change
+69
Holders Change %
–
% of All Funds
0.91%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
69
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
AA
AQR Arbitrage
Connecticut
+$12.9M
2
GCL
Glazer Capital LLC
New York
+$10.6M
3
MF
Magnetar Financial
Illinois
+$10M
4
Two Sigma Investments
Two Sigma Investments
New York
+$7.98M
5
LA
Linden Advisors
New York
+$7.51M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
VF
26
Virtu Financial
New York
$4.74M +$4.74M +473,914 New
OAC
27
OMERS Administration Corp
Ontario, Canada
$4.4M +$4.4M +440,000 New
AC
28
Aristeia Capital
Connecticut
$4M +$4M +400,000 New
MTCM
29
Mint Tower Capital Management
Netherlands
$4M +$4M +400,000 New
CF
30
Cantor Fitzgerald
New York
$3.87M +$3.87M +386,894 New
JG
31
Jain Global
New York
$3.86M +$3.86M +385,582 New
Millennium Management
32
Millennium Management
New York
$3.5M +$3.5M +350,000 New
AGM
33
Alpine Global Management
New York
$3M +$3M +300,000 New
WA
34
Whitebox Advisors
Minnesota
$3M +$3M +300,000 New
SCM
35
Saba Capital Management
New York
$2.99M +$2.99M +298,473 New
WAM
36
Wolverine Asset Management
Illinois
$2.76M +$2.76M +276,041 New
GCM
37
Ghisallo Capital Management
Massachusetts
$2.5M +$2.5M +250,000 New
MCM
38
Moore Capital Management
New York
$2.5M +$2.5M +250,000 New
WCMNY
39
Westchester Capital Management (New York)
New York
$2.5M +$2.5M +250,000 New
RCM
40
Rivernorth Capital Management
Florida
$2.5M +$2.5M +249,762 New
Hudson Bay Capital Management
41
Hudson Bay Capital Management
Connecticut
$2.46M +$2.46M +246,000 New
CL
42
CSS LLC
Illinois
$2.4M +$2.4M +240,212 New
SG
43
StoneX Group
New York
$1.6M +$1.6M +160,000 New
ASM
44
ATW SPAC Management
New York
$1.5M +$1.5M +150,000 New
BFM
45
Boothbay Fund Management
New York
$1.5M +$1.5M +150,000 New
CCM
46
Context Capital Management
California
$1.5M +$1.5M +150,000 New
TAL
47
TIG Advisors LLC
New York
$1.5M +$1.5M +150,000 New
WRBC
48
W.R. Berkley Corp
Connecticut
$1.49M +$1.49M +148,726 New
SCS
49
Syquant Capital SAS
France
$1.1M +$1.1M +110,000 New
HCM
50
Heights Capital Management
California
$1M +$1M +100,000 New
1
2
3

PACHU Hedge Fund Activity: Q2 2025 in Review

69 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Pioneer Acquisition I Corp Units (PACHU) for Q2 2025, worth a combined $242M.

Buyers outnumbered sellers: 69 funds opened new PACHU positions and 0 closed out — a net gain of 69 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was AQR Arbitrage, opening a new position worth an estimated $12.9M.

  • 69 institutional investors held Pioneer Acquisition I Corp Units (PACHU) as of Q2 2025, up from 0 in Q1 2025.
  • Funds reported $242M of Pioneer Acquisition I Corp Units stock for Q2 2025.
  • 69 funds opened new Pioneer Acquisition I Corp Units positions in Q2 2025 and 0 closed out, a net change of +69 holders.
  • The largest Pioneer Acquisition I Corp Units buyer in Q2 2025 was AQR Arbitrage, an estimated $12.9M added.

Based on aggregated 13F filings for Q2 2025.