JO
PACH

John Overdeck’s Pioneer Acquisition I Corp PACH Stock Holding History

John Overdeck’s Portfolio PACH Stock Details PACH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$8.16M Hold
797,500
– – 0.01% 1685
2026
Q1 		$8.08M Hold
797,500
– – 0.01% 1568
2025
Q4 		$8.01M Hold
797,500
– – 0.01% 1282
2025
Q3 		$7.93M Buy
+797,500
New +$7.94M 0.01% 1094

Other funds holding PACH

WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
WC
Wealthspring Capital West Harrison, New York $448M AUM 8.38% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return
RCM
Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.32B AUM 1.82% 1-Year Est. Return

John Overdeck's PACH Position: Q2 2026 in Review

John Overdeck held its Pioneer Acquisition I Corp (PACH) position steady in Q2 2026 at 797,500 shares worth $8.16M. The position accounts for 0.01% of the portfolio, ranked #1685.

John Overdeck first reported a position in PACH in Q3 2025 and has held it in 4 quarters since. 67 funds tracked by Wall St. Rank hold PACH as of Q2 2026.

  • John Overdeck held 797,500 shares of Pioneer Acquisition I Corp worth $8.16M as of Q2 2026.
  • John Overdeck left its Pioneer Acquisition I Corp share count unchanged in Q2 2026.
  • Pioneer Acquisition I Corp made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1685 holding.
  • John Overdeck first reported a position in Pioneer Acquisition I Corp in Q3 2025 and has held it in 4 quarters since.
  • 67 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.