UOC
MLAC

UBS O'Connor’s Mountain Lake Acquisition Corp MLAC Stock Holding History

UBS O'Connor’s Portfolio MLAC Stock Details MLAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$1.56M Sell
149,912
-100,088
-40% -$1.04M 0.05% 119
2025
Q3 		$2.58M Hold
250,000
– – 0.08% 110
2025
Q2 		$2.56M Buy
+250,000
New +$2.54M 0.07% 128

Other funds holding MLAC

TCM
Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return
MF
Magnetar Financial Evanston, Illinois $9.84B AUM 190.64% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
FTCM
First Trust Capital Management Chicago, Illinois $1.9B AUM 58.39% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $16.7B AUM 23.27% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return
MSU
Mizuho Securities USA New York $4.24B AUM 22.54% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return

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

UBS O'Connor reduced its Mountain Lake Acquisition Corp (MLAC) stake by 40% in Q4 2025, selling an estimated $1.04M and leaving 149,912 shares worth $1.56M. The position accounts for 0.05% of the portfolio, ranked #119.

UBS O'Connor first reported a position in MLAC in Q2 2025 and has held it in 3 quarters since. The position peaked at $2.58M in Q3 2025. 48 funds tracked by Wall St. Rank hold MLAC as of Q4 2025.

  • UBS O'Connor held 149,912 shares of Mountain Lake Acquisition Corp worth $1.56M as of Q4 2025.
  • UBS O'Connor sold 100,088 Mountain Lake Acquisition Corp shares in Q4 2025, an estimated $1.04M.
  • Mountain Lake Acquisition Corp made up 0.05% of UBS O'Connor's portfolio in Q4 2025, its #119 holding.
  • UBS O'Connor first reported a position in Mountain Lake Acquisition Corp in Q2 2025 and has held it in 3 quarters since.
  • UBS O'Connor's Mountain Lake Acquisition Corp position peaked at $2.58M in Q3 2025.
  • 48 funds tracked by Wall St. Rank held Mountain Lake Acquisition Corp as of Q4 2025.

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