Gritstone Asset Management’s Oyster Enterprises II Acquisition Corp Rights OYSER Stock Holding History

Gritstone Asset Management’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
2026 Q1	$6.18K	Hold	49,430	–	–	0.01%	147
2025 Q4	$9.89K	Hold	49,430	–	–	0.01%	139
2025 Q3	$8.4K	Buy	+49,430	New	+$8.41K	0.01%	118

Other funds holding OYSER

Meteora Capital Boca Raton, Florida $1.36B AUM 21.19% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $9.83B AUM 190.64% 1-Year Est. Return

Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return

Harraden Circle Investments New York $499M AUM 24.03% 1-Year Est. Return

LMR Partners London, United Kingdom $10.9B AUM 60.68% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

Westchester Capital Management (New York) Valhalla, New York $2.07B AUM 26.02% 1-Year Est. Return

Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return

Tenor Capital Management New York $6.49B AUM 3.01% 1-Year Est. Return

Picton Mahoney Asset Management Toronto, Ontario, Canada $9.6B AUM 50.48% 1-Year Est. Return