UBS O'Connor
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UBS O'Connor’s Oyster Enterprises II Acquisition Corp OYSE Stock Holding History

UBS O'Connor’s Portfolio OYSE Stock Details OYSE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$1.01M Hold
100,000
– – 0.03% 156
2025
Q3 		$1M Buy
+100,000
New +$1M 0.03% 191

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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
MC
Meteora Capital Boca Raton, Florida $1.21B AUM 13.69% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
AQR Arbitrage
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
LMR Partners
LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return
Picton Mahoney Asset Management
Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 51.46% 1-Year Est. Return
Tenor Capital Management
Tenor Capital Management New York $7.09B AUM 3.55% 1-Year Est. Return

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

UBS O'Connor held its Oyster Enterprises II Acquisition Corp (OYSE) position steady in Q4 2025 at 100,000 shares worth $1.01M. The position accounts for 0.03% of the portfolio, ranked #156.

UBS O'Connor first reported a position in OYSE in Q3 2025 and has held it in 2 quarters since. 60 funds tracked by Wall St. Rank hold OYSE as of Q4 2025.

  • UBS O'Connor held 100,000 shares of Oyster Enterprises II Acquisition Corp worth $1.01M as of Q4 2025.
  • UBS O'Connor left its Oyster Enterprises II Acquisition Corp share count unchanged in Q4 2025.
  • Oyster Enterprises II Acquisition Corp made up 0.03% of UBS O'Connor's portfolio in Q4 2025, its #156 holding.
  • UBS O'Connor first reported a position in Oyster Enterprises II Acquisition Corp in Q3 2025 and has held it in 2 quarters since.
  • 60 funds tracked by Wall St. Rank held Oyster Enterprises II Acquisition Corp as of Q4 2025.

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