Pioneer Acquisition I Corp Units

PACHU

PACHU Hedge Fund Activity: Q1 2026 in Review

12 of the 8,134 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.