MF
PACH

Magnetar Financial’s Pioneer Acquisition I Corp PACH Stock Holding History

Magnetar Financial’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 		$10.2M Hold
1,000,000
– – 0.09% 151
2026
Q1 		$10.2M Hold
1,000,000
– – 0.1% 130
2025
Q4 		$10.1M Buy
+1,000,000
New +$10.1M 0.1% 122

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
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
RCM
Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.32B AUM 1.82% 1-Year Est. Return

Magnetar Financial's PACH Position: Q2 2026 in Review

Magnetar Financial held its Pioneer Acquisition I Corp (PACH) position steady in Q2 2026 at 1,000,000 shares worth $10.2M. The position accounts for 0.09% of the portfolio, ranked #151.

Magnetar Financial first reported a position in PACH in Q4 2025 and has held it in 3 quarters since. 67 funds tracked by Wall St. Rank hold PACH as of Q2 2026.

  • Magnetar Financial held 1,000,000 shares of Pioneer Acquisition I Corp worth $10.2M as of Q2 2026.
  • Magnetar Financial left its Pioneer Acquisition I Corp share count unchanged in Q2 2026.
  • Pioneer Acquisition I Corp made up 0.09% of Magnetar Financial's portfolio in Q2 2026, its #151 holding.
  • Magnetar Financial first reported a position in Pioneer Acquisition I Corp in Q4 2025 and has held it in 3 quarters since.
  • 67 funds tracked by Wall St. Rank held Pioneer Acquisition I Corp as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.