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PACHU

Pioneer Acquisition I Corp Units
PACHU

12 hedge funds and large institutions have $23M invested in Pioneer Acquisition I Corp Units in 2026 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 1

4.13% less ownership

Funds ownership: 14.3% → 10.17% (-4.1%)

20% less funds holding

Funds holding: 15 → 12 (-3)

28% less capital invested

Capital invested by funds: $32.1M → $23M (-$9.07M)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 3

Holders
12
Holders Change
-3
Holders Change %
-20%
% of All Funds
0.15%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
2
Reduced
1
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CS
Clear Street
New York
+$23.4K
2
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$1.02K

Top Sellers

Rank Fund Capital Flow
1
WCMNY
Westchester Capital Management (New York)
New York
-$8.63M
2
TIM
Timelo Investment Management
Ontario, Canada
-$613K
3
YCM
Yakira Capital Management
Connecticut
-$5.26K
4
UBS Group
UBS Group
Switzerland
-$102
Name Holding Trade Value Shares
Change 		Change in
Stake
LP
1
LMR Partners
United Kingdom
$7.72M – – –
HIM
2
HGC Investment Management
Ontario, Canada
$7.65M – – –
Toronto Dominion Bank
3
Toronto Dominion Bank
Ontario, Canada
$3.74M +$1.02K +100 +0%
SCS
4
Syquant Capital SAS
France
$1.12M – – –
JP Morgan Chase
5
JP Morgan Chase
New York
$1.02M – – –
LPC
6
Lineage Point Capital
Florida
$521K – – –
RAM
7
Readystate Asset Management
Illinois
$322K – – –
HF
8
HRT Financial
New York
$255K – – –
YCM
9
Yakira Capital Management
Connecticut
$252K -$5.26K -515 -2%
RC
10
Rangeley Capital
Connecticut
$228K – – –
CS
11
Clear Street
New York
$169K +$23.4K +2,295 +16%
LIM
12
Longfellow Investment Management
Massachusetts
$5.15K – – –
WCMNY
13
Westchester Capital Management (New York)
New York
– -$8.63M -850,000 Closed
TIM
14
Timelo Investment Management
Ontario, Canada
– -$613K -60,000 Closed
UBS Group
15
UBS Group
Switzerland
– -$102 -10 Closed

PACHU Hedge Fund Activity: Q1 2026 in Review

12 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Pioneer Acquisition I Corp Units (PACHU) for Q1 2026, worth a combined $23M — down 28% from $32.1M a quarter earlier.

Sellers outnumbered buyers: 3 funds closed out of PACHU and 0 opened new positions — a net loss of 3 holders — while 1 trimmed existing stakes and 2 added.

The largest buyer was Clear Street, adding an estimated $23.4K. The largest seller was Westchester Capital Management (New York), exiting entirely with an estimated $8.63M sold.

  • 12 institutional investors held Pioneer Acquisition I Corp Units (PACHU) as of Q1 2026, down from 15 in Q4 2025.
  • Funds reported $23M of Pioneer Acquisition I Corp Units stock for Q1 2026, down 28% quarter-over-quarter.
  • 0 funds opened new Pioneer Acquisition I Corp Units positions in Q1 2026 and 3 closed out, a net change of -3 holders.
  • The largest Pioneer Acquisition I Corp Units buyer in Q1 2026 was Clear Street, an estimated $23.4K added.
  • The largest Pioneer Acquisition I Corp Units seller in Q1 2026 was Westchester Capital Management (New York), an estimated $8.63M sold.

Based on aggregated 13F filings for Q1 2026.