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Mangrove Partners’s Oyster Enterprises II Acquisition Corp Rights OYSER Stock Holding History

Mangrove Partners’s Portfolio OYSER Stock Details OYSER Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-450,000
Closed -$76.5K – 454
2025
Q3 		$76.5K Buy
+450,000
New +$76.6K 0.01% 166

Other funds holding OYSER

MC
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Magnetar Financial
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 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
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
Tenor Capital Management
Tenor Capital Management New York $7.09B AUM 3.55% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
Glazer Capital LLC
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
Verition Fund Management
Verition Fund Management Greenwich, Connecticut $19.7B AUM 39.39% 1-Year Est. Return

Mangrove Partners's OYSER Position: Q4 2025 in Review

Mangrove Partners sold out of Oyster Enterprises II Acquisition Corp Rights (OYSER) in Q4 2025, closing a stake of 450,000 shares — an estimated $76.5K sold.

Mangrove Partners first reported a position in OYSER in Q3 2025 and held it in 1 quarter. The position peaked at $76.5K in Q3 2025. 45 funds tracked by Wall St. Rank hold OYSER as of Q4 2025.

  • Mangrove Partners reported no remaining Oyster Enterprises II Acquisition Corp Rights position as of Q4 2025 after selling out during the quarter.
  • Mangrove Partners sold 450,000 Oyster Enterprises II Acquisition Corp Rights shares in Q4 2025, an estimated $76.5K.
  • Mangrove Partners first reported a position in Oyster Enterprises II Acquisition Corp Rights in Q3 2025 and held it in 1 quarter.
  • Mangrove Partners's Oyster Enterprises II Acquisition Corp Rights position peaked at $76.5K in Q3 2025.
  • 45 funds tracked by Wall St. Rank held Oyster Enterprises II Acquisition Corp Rights as of Q4 2025.

Based on Mangrove Partners's 13F filing for Q4 2025, filed 17 Feb 2026.