GAM
PACH

Gritstone Asset Management’s Pioneer Acquisition I Corp PACH Stock Holding History

Gritstone Asset Management’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
Q1 		$702K Hold
69,324
– – 0.75% 57
2025
Q4 		$697K Hold
69,324
– – 0.66% 56
2025
Q3 		$690K Buy
+69,324
New +$690K 0.71% 49

Other funds holding PACH

WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
WC
Wealthspring Capital West Harrison, New York $448M AUM 8.38% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.16B AUM 77.9% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return

Gritstone Asset Management's PACH Position: Q1 2026 in Review

Gritstone Asset Management held its Pioneer Acquisition I Corp (PACH) position steady in Q1 2026 at 69,324 shares worth $702K. The position accounts for 0.75% of the portfolio, ranked #57.

Gritstone Asset Management first reported a position in PACH in Q3 2025 and has held it in 3 quarters since. 61 funds tracked by Wall St. Rank hold PACH as of Q1 2026.

  • Gritstone Asset Management held 69,324 shares of Pioneer Acquisition I Corp worth $702K as of Q1 2026.
  • Gritstone Asset Management left its Pioneer Acquisition I Corp share count unchanged in Q1 2026.
  • Pioneer Acquisition I Corp made up 0.75% of Gritstone Asset Management's portfolio in Q1 2026, its #57 holding.
  • Gritstone Asset Management first reported a position in Pioneer Acquisition I Corp in Q3 2025 and has held it in 3 quarters since.
  • 61 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q1 2026.

Based on Gritstone Asset Management's 13F filing for Q1 2026, filed 5 May 2026.