PAMP
PACH

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

Polar Asset Management Partners’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 		$4.05M Sell
400,000
-100,000
-20% -$1.01M 0.08% 245
2025
Q4 		$5.03M Hold
500,000
– – 0.06% 239
2025
Q3 		$4.98M Buy
+500,000
New +$4.98M 0.06% 253

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

Polar Asset Management Partners's PACH Position: Q1 2026 in Review

Polar Asset Management Partners reduced its Pioneer Acquisition I Corp (PACH) stake by 20% in Q1 2026, selling an estimated $1.01M and leaving 400,000 shares worth $4.05M. The position accounts for 0.08% of the portfolio, ranked #245.

Polar Asset Management Partners first reported a position in PACH in Q3 2025 and has held it in 3 quarters since. The position peaked at $5.03M in Q4 2025. 61 funds tracked by Wall St. Rank hold PACH as of Q1 2026.

  • Polar Asset Management Partners held 400,000 shares of Pioneer Acquisition I Corp worth $4.05M as of Q1 2026.
  • Polar Asset Management Partners sold 100,000 Pioneer Acquisition I Corp shares in Q1 2026, an estimated $1.01M.
  • Pioneer Acquisition I Corp made up 0.08% of Polar Asset Management Partners's portfolio in Q1 2026, its #245 holding.
  • Polar Asset Management Partners first reported a position in Pioneer Acquisition I Corp in Q3 2025 and has held it in 3 quarters since.
  • Polar Asset Management Partners's Pioneer Acquisition I Corp position peaked at $5.03M in Q4 2025.
  • 61 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q1 2026.

Based on Polar Asset Management Partners's 13F filing for Q1 2026, filed 15 May 2026.