UOC
AAM

UBS O'Connor’s AA Mission Acquisition Corp AAM Stock Holding History

UBS O'Connor’s Portfolio AAM Stock Details AAM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$2.67M Hold
250,000
– – 0.08% 82
2025
Q3 		$2.63M Buy
+250,000
New +$2.62M 0.09% 105

Other funds holding AAM

KIM
Karpus Investment Management Pittsford, New York $3.21B AUM 6.83% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $1.86B AUM 14.44% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.9B AUM 58.28% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return
AC
Aristeia Capital Greenwich, Connecticut $4.82B AUM 24.91% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

UBS O'Connor's AAM Position: Q4 2025 in Review

UBS O'Connor held its AA Mission Acquisition Corp (AAM) position steady in Q4 2025 at 250,000 shares worth $2.67M. The position accounts for 0.08% of the portfolio, ranked #82.

UBS O'Connor first reported a position in AAM in Q3 2025 and has held it in 2 quarters since. 39 funds tracked by Wall St. Rank hold AAM as of Q4 2025.

  • UBS O'Connor held 250,000 shares of AA Mission Acquisition Corp worth $2.67M as of Q4 2025.
  • UBS O'Connor left its AA Mission Acquisition Corp share count unchanged in Q4 2025.
  • AA Mission Acquisition Corp made up 0.08% of UBS O'Connor's portfolio in Q4 2025, its #82 holding.
  • UBS O'Connor first reported a position in AA Mission Acquisition Corp in Q3 2025 and has held it in 2 quarters since.
  • 39 funds tracked by Wall St. Rank held AA Mission Acquisition Corp as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.