MSU
PACH

Mizuho Securities USA’s Pioneer Acquisition I Corp PACH Stock Holding History

Mizuho Securities USA’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 		– Sell
-50,924
Closed -$514K – 723
2025
Q4 		$514K Sell
50,924
-250,378
-83% -$2.52M 0.01% 658
2025
Q3 		$2.99M Buy
+301,302
New +$3M 0.06% 312

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

Mizuho Securities USA's PACH Position: Q1 2026 in Review

Mizuho Securities USA sold out of Pioneer Acquisition I Corp (PACH) in Q1 2026, closing a stake of 50,924 shares — an estimated $514K sold.

Mizuho Securities USA first reported a position in PACH in Q3 2025 and held it in 2 quarters. The position peaked at $2.99M in Q3 2025. 61 funds tracked by Wall St. Rank hold PACH as of Q1 2026.

  • Mizuho Securities USA reported no remaining Pioneer Acquisition I Corp position as of Q1 2026 after selling out during the quarter.
  • Mizuho Securities USA sold 50,924 Pioneer Acquisition I Corp shares in Q1 2026, an estimated $514K.
  • Mizuho Securities USA first reported a position in Pioneer Acquisition I Corp in Q3 2025 and held it in 2 quarters.
  • Mizuho Securities USA's Pioneer Acquisition I Corp position peaked at $2.99M in Q3 2025.
  • 61 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q1 2026.

Based on Mizuho Securities USA's 13F filing for Q1 2026, filed 11 May 2026.