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
Q2 		$1.85M Buy
+183,497
New +$1.87M 0.03% 453
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 $2.04B 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
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 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

Mizuho Securities USA's PACH Position: Q2 2026 in Review

Mizuho Securities USA opened a new position in Pioneer Acquisition I Corp (PACH) in Q2 2026: 183,497 shares worth $1.85M. The stake represents 0.03% of the portfolio and ranks #453 among its holdings. This is a return to the name: Mizuho Securities USA previously reported a position in PACH as recently as Q4 2025.

Mizuho Securities USA first reported a position in PACH in Q3 2025 and has held it in 3 quarters since. The position peaked at $2.99M in Q3 2025. 67 funds tracked by Wall St. Rank hold PACH as of Q2 2026.

  • Mizuho Securities USA held 183,497 shares of Pioneer Acquisition I Corp worth $1.85M as of Q2 2026.
  • Pioneer Acquisition I Corp was a new Mizuho Securities USA position in Q2 2026.
  • Pioneer Acquisition I Corp made up 0.03% of Mizuho Securities USA's portfolio in Q2 2026, its #453 holding.
  • Mizuho Securities USA first reported a position in Pioneer Acquisition I Corp in Q3 2025 and has held it in 3 quarters since.
  • Mizuho Securities USA's Pioneer Acquisition I Corp position peaked at $2.99M in Q3 2025.
  • 67 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q2 2026.

Based on Mizuho Securities USA's 13F filing for Q2 2026, filed 24 Jul 2026.